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Next page > GH: 00742208 [bad data, blank import] USA: Vermont Brandon: Brandon E. F. Williams 1 1908-5-22
NEBC: 00743599 [bad data, blank import] USA: Maine Mount Desert Island: Mount Desert Island E. F. Williams 1893-9-2
GH: 00743600 [bad data, blank import] USA: Vermont Ripton: Ripton E. F. Williams 1908-7-13
GH: 00661553 [bad data, blank import] USA: Maine Mount Desert Island: Mount Desert Island E. F. Williams 1 1897-7-16
GH: 00738516 [bad data, blank import] USA: Maine Mount Desert Island: Mount Desert Island E. F. Williams 1 1899-7-18
GH: 00738519 [bad data, blank import] USA: New Hampshire Crawford E. F. Williams 1895-7-15
NEBC: 00740763 [bad data, blank import] USA: Vermont Willoughby E. F. Williams 1904-5-26
NEBC: 00740764 [bad data, blank import] USA: Vermont Willoughby E. F. Williams 1905-5-19
GH: 01021380 [bad data, blank import] USA: Vermont Willoughby E. F. Williams 1896-7-20
NEBC: 01079348 [bad data, blank import] USA: New Hampshire Mount Monadnock E. F. Williams 1901-9-2
GH: 01161923 [bad data, blank import] USA: Massachusetts Scituate: Scituate E. F. Williams 1901-9-8
GH: 01058952 [bad data, blank import] USA: Massachusetts Amherst: Amherst E. F. Williams
NEBC: 00671566 [bad data, blank import] USA: Vermont Willoughby E. F. Williams 1896-7-22
NEBC: 00436070 Bryoria implexa (Hoffmann) Brodo & D. Hawksworth USA: Maine [data not captured] E. F. Williams 1901-2-23
NEBC: 00436603 Dibaeis baeomyces (Linnaeus f.) Rambold & Hertel USA: Massachusetts Norwood: [data not captured] E. F. Williams 1895-4-28
NEBC: 00436830 Lobaria pulmonaria (Linnaeus) Hoffmann USA: Massachusetts Barnstable: [data not captured] E. F. Williams 1896-4-18
FH: 00372396 Lobaria pulmonaria (Linnaeus) Hoffmann USA: Massachusetts Barnstable: [no additional data] E. F. Williams 1896
NEBC: 00446973 Lobaria quercizans Michaux USA: New Hampshire [data not captured] E. F. Williams 1898-7-4
NEBC: 00446143 Peltigera polydactyla (Necker) Hoffmann USA: New Hampshire Mt. Monadnock: [no additional data] E. F. Williams 1898-5-30
NEBC: 00446628 Umbilicaria mammulata (Acharius) Tuckerman USA: Massachusetts [data not captured] E. F. Williams 1896-9-19
NEBC: 00446629 Umbilicaria mammulata (Acharius) Tuckerman USA: Massachusetts [data not captured] E. F. Williams 1896-9-13
NEBC: 00446689 Umbilicaria muhlenbergii (Acharius) Tuckerman USA: Massachusetts [data not captured] E. F. Williams 1896-9-18
NEBC: 00446776 Xanthoria parietina (Linnaeus) Th. Fries USA: Massachusetts Ipswich: [no additional data] E. F. Williams 1899-8-9
Aceraceae NEBC: 00752795 Acer negundo Linnaeus USA: New Hampshire Walpole: Walpole E. F. Williams 1901-7-28
NEBC: 00752796 Acer negundo Linnaeus USA: New Hampshire Walpole: Walpole E. F. Williams 1901-7-28
NEBC: 00752811 Acer negundo Linnaeus USA: Vermont Middlebury: Middlebury E. F. Williams 1908-5-27
NEBC: 00772431 Acer negundo Linnaeus USA: Massachusetts Arlington: Arlington Heights E. F. Williams 1893-8-8
GH: 00772446 Acer negundo Linnaeus USA: Massachusetts Chestnut Hill [Boston/Brookline/Newton] E. F. Williams 1896-5-17
NEBC: 00772448 Acer negundo Linnaeus USA: Massachusetts Chestnut Hill [Boston/Brookline/Newton] E. F. Williams 1896-5-17
GH: 00772450 Acer negundo Linnaeus USA: Massachusetts Waltham: The Viles farm where stands the lar... E. F. Williams 3016
GH: 00772463 Acer negundo Linnaeus USA: Massachusetts Dover: Dover E. F. Williams 1908-9-2
GH: 00752818 Acer negundo violaceum (G. Kirchner) H. Jaeger USA: Rhode Island Woonsocket: Woonsocket E. F. Williams 1910-10-2
GH: 00752823 Acer negundo violaceum (G. Kirchner) H. Jaeger USA: Vermont Middlebury: Middlebury E. F. Williams 1908-5-27
NEBC: 00338105 Acer pensylvanicum Linnaeus USA: Massachusetts on Blue Hill, Blue Hills Reservation E. F. Williams 1901-5-12
NEBC: 00772541 Acer pensylvanicum Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-23
GH: 00772544 Acer pensylvanicum Linnaeus USA: New Hampshire Shelburne: Shelburne E. F. Williams 1895-7-25
GH: 00772605 Acer pensylvanicum Linnaeus USA: Vermont Willoughby E. F. Williams 1896-7-22
NEBC: 00772606 Acer pensylvanicum Linnaeus USA: Vermont Willoughby E. F. Williams 1896-6-10
NEBC: 00772607 Acer pensylvanicum Linnaeus USA: Vermont Willoughby E. F. Williams 1901-5-28
NEBC: 00772608 Acer pensylvanicum Linnaeus USA: Vermont Willoughby E. F. Williams 1896-6-10
NEBC: 00772609 Acer pensylvanicum Linnaeus USA: Vermont Willoughby E. F. Williams 1896-6-10
NEBC: 00772610 Acer pensylvanicum Linnaeus USA: Vermont Willoughby E. F. Williams 1896-7-22
GH: 00772652 Acer pensylvanicum Linnaeus USA: Massachusetts Gloucester: Gloucester E. F. Williams 1896-6-13
GH: 00772118 Acer pensylvanicum Linnaeus USA: Massachusetts Milton: Milton E. F. Williams 1901-5-15
GH: 00772678 Acer pensylvanicum Linnaeus USA: Massachusetts Petersham: Petersham E. F. Williams 1910-6-3
GH: 00772774 Acer pensylvanicum Linnaeus USA: Massachusetts Ashfield: Ashfield E. F. Williams 1907-7-10
GH: 00772802 Acer pensylvanicum Linnaeus USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
GH: 01792708 Acer platanoides Linnaeus USA: Massachusetts Milton: Blue Hill Ave. E. F. Williams 1896-4-26
GH: 01792740 Acer pseudoplatanus Linnaeus USA: Massachusetts Cohasset: Potter place E. F. Williams
NEBC: 00338121 Acer rubrum Linnaeus USA: Massachusetts Wareham: Tihonet E. F. Williams 1895-3-31
NEBC: 00338122 Acer rubrum Linnaeus USA: Massachusetts Boston: Stony Brook Reservation [Hyde Park/W... E. F. Williams 1895-4-21
NEBC: 00338123 Acer rubrum Linnaeus USA: Massachusetts Norwood: Purgatory swamp E. F. Williams 1895-4-28
NEBC: 00338126 Acer rubrum Linnaeus USA: Massachusetts Milton: Blue Hills Reservation, edge of Houg... E. F. Williams 1896-4-26
GH: 00338128 Acer rubrum Linnaeus USA: Massachusetts Milton: Blue Hills Reserv., edge of Houghton... E. F. Williams 1896-4-26
GH: 00338129 Acer rubrum Linnaeus USA: Massachusetts Wilmington: E. F. Williams 1900-4-22
GH: 00772850 Acer rubrum Linnaeus USA: Maine Caribou: Caribou E. F. Williams 1900-8-2
GH: 00772851 Acer rubrum Linnaeus USA: Maine Caribou: Caribou E. F. Williams 1900-8-2
GH: 00772874 Acer rubrum Linnaeus USA: Maine Mount Desert (Hancock County): Northeast Har... E. F. Williams 1910-8-4
GH: 00772936 Acer rubrum Linnaeus USA: New Hampshire Wentworth: Wentworth E. F. Williams 1908-7-24
GH: 00772975 Acer rubrum Linnaeus USA: New Hampshire Jaffrey: Jaffrey E. F. Williams 1 1899-5-30
NEBC: 00677053 Acer rubrum Linnaeus USA: Vermont Willoughby E. F. Williams 1898-7-8
GH: 00677063 Acer rubrum Linnaeus USA: Vermont Wallingford: Wallingford E. F. Williams 1908-5-25
NEBC: 00677064 Acer rubrum Linnaeus USA: Vermont Wallingford: Wallingford E. F. Williams 1908-5-25
NEBC: 00677111 Acer rubrum Linnaeus USA: Massachusetts Chestnut Hill [Boston/Brookline/Newton] E. F. Williams 1896-5-14
GH: 00677113 Acer rubrum Linnaeus USA: Massachusetts Chestnut Hill [Boston/Brookline/Newton] E. F. Williams 1896-5-14
GH: 00677135 Acer rubrum Linnaeus USA: Massachusetts Brookline: Brookline E. F. Williams 1896-5-17
GH: 00677140 Acer rubrum Linnaeus USA: Massachusetts Milton: Milton E. F. Williams 1910-4-2
GH: 00677151 Acer rubrum Linnaeus USA: Massachusetts Sharon: Sharon E. F. Williams 1908-9-5
NEBC: 00677153 Acer rubrum Linnaeus USA: Massachusetts Walpole: Walpole E. F. Williams 5.2 1908-8-14
NEBC: 00677227 Acer rubrum Linnaeus USA: Massachusetts Goshen: Goshen E. F. Williams 1 1907-6-18
GH: 00752887 Acer rubrum trilobum K. Koch USA: Massachusetts Walpole: Walpole E. F. Williams 1908-8-14
GH: 00752897 Acer saccharinum Linnaeus USA: Maine Fort Kent: Fort Kent E. F. Williams 1901-8-10
GH: 00631089 Acer saccharinum Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-7
GH: 00677722 Acer saccharinum Linnaeus USA: Vermont Brandon: Brandon E. F. Williams 1908-5-23
NEBC: 00677723 Acer saccharinum Linnaeus USA: Vermont Brandon: Brandon E. F. Williams 1908-5-23
GH: 00677737 Acer saccharinum Linnaeus USA: Massachusetts South Lawrence E. F. Williams 1900-6-3
NEBC: 00677887 Acer saccharinum Linnaeus USA: Massachusetts Canton: Canton E. F. Williams 1895-4-5
NEBC: 00677888 Acer saccharinum Linnaeus USA: Massachusetts Milton: Milton E. F. Williams 1896-4-8
GH: 00677889 Acer saccharinum Linnaeus USA: Massachusetts Canton: Canton E. F. Williams 1896-4-5
GH: 00677890 Acer saccharinum Linnaeus USA: Massachusetts Milton: Milton E. F. Williams 1896-4-8
GH: 00677891 Acer saccharinum Linnaeus USA: Massachusetts Milton: Milton E. F. Williams 1896-4-26
GH: 00677892 Acer saccharinum Linnaeus USA: Massachusetts Milton: Milton E. F. Williams 1896-4-26
GH: 00663208 Acer saccharum Marshall USA: New Hampshire Warren: Warren E. F. Williams 1908-7-23
NEBC: 00663233 Acer saccharum Marshall USA: Vermont Willoughby E. F. Williams 1898-7-8
GH: 00663242 Acer saccharum Marshall USA: Vermont Middlebury: Middlebury E. F. Williams 1908-5-27
GH: 00663251 Acer saccharum Marshall USA: Vermont Brandon: Brandon E. F. Williams 1908-5-22
GH: 00663282 Acer saccharum Marshall USA: Massachusetts Winchester: Winchester E. F. Williams 1 1897-5-9
GH: 00663283 Acer saccharum Marshall USA: Massachusetts Wayland: Wayland E. F. Williams 2 1900-5-20
NEBC: 00663287 Acer saccharum Marshall USA: Massachusetts Dedham: Dedham E. F. Williams 1895-9-15
NEBC: 00752830 Acer saccharum nigrum (Michx. f.) Britton USA: New Hampshire Alstead: Alstead E. F. Williams 1901-7-27
NEBC: 00752855 Acer saccharum nigrum (Michx. f.) Britton USA: Vermont Brandon: Brandon E. F. Williams 1908-5-28
GH: 00752856 Acer saccharum nigrum (Michx. f.) Britton USA: Vermont Brandon: Brandon E. F. Williams 1908-6-2
NEBC: 00752861 Acer saccharum nigrum (Michx. f.) Britton USA: Vermont Clarendon: Clarendon E. F. Williams 1907-8-9
A: 00752862 Acer saccharum nigrum (Michx. f.) Britton USA: Vermont Clarendon: Clarendon E. F. Williams 1907-8-9
GH: 00752865 Acer saccharum nigrum (Michx. f.) Britton USA: Vermont Wallingford: Wallingford E. F. Williams 1907-5-31
GH: 00752868 Acer saccharum nigrum (Michx. f.) Britton USA: Vermont Wallingford: Wallingford E. F. Williams 1907-6-20
GH: 00752869 Acer saccharum nigrum (Michx. f.) Britton USA: Vermont Wallingford: Wallingford E. F. Williams 1907-5-31
NEBC: 00752870 Acer saccharum nigrum (Michx. f.) Britton USA: Vermont Wallingford: Wallingford E. F. Williams 1907-6-20
NEBC: 00752871 Acer saccharum nigrum (Michx. f.) Britton USA: Vermont Wallingford: Wallingford E. F. Williams 1907-5-31
A: 00752872 Acer saccharum nigrum (Michx. f.) Britton USA: Vermont Wallingford: Wallingford E. F. Williams 1907-6-20
Adiantaceae GH: 00678003 Cryptogramma stelleri (S. G. Gmelin) Prantl USA: Vermont Willoughby E. F. Williams 1894-8-2
NEBC: 00678009 Cryptogramma stelleri (S. G. Gmelin) Prantl USA: Vermont Willoughby E. F. Williams 1896-7-23
GH: 00681499 Pellaea atropurpurea (Linnaeus) Link USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2
GH: 00681547 Pellaea glabella Mettenius ex Kuhn USA: Vermont Willoughby Mountain E. F. Williams 1894-8-1
Aizoaceae GH: 00751209 Mollugo verticillata Linnaeus USA: New Hampshire Hampton: Hampton E. F. Williams 1902-8-31
NEBC: 00751210 Mollugo verticillata Linnaeus USA: New Hampshire Hampton: Hampton E. F. Williams 1902-8-31
GH: 00751212 Mollugo verticillata Linnaeus USA: New Hampshire Rye: Rye E. F. Williams 1901-9-19
GH: 00751223 Mollugo verticillata Linnaeus USA: Vermont Vergennes: Vergennes E. F. Williams 1908-7-21
NEBC: 00761320 Mollugo verticillata Linnaeus USA: Massachusetts Boston: Hyde Park, Readville E. F. Williams 1895-9-7
NEBC: 00761338 Mollugo verticillata Linnaeus USA: Rhode Island Tiverton: Tiverton E. F. Williams 1903-9-27
Alismataceae NEBC: 01032214 Alisma subcordatum Pursh USA: Massachusetts Rowley: Rowley E. F. Williams 1906-9-3
NEBC: 01032218 Alisma subcordatum Pursh USA: Massachusetts Boxford: Boxford E. F. Williams 1899-8-3
NEBC: 01032236 Alisma subcordatum Pursh USA: Massachusetts Winchester: Winchester, Winter Pond E. F. Williams 1894-9-2
GH: 01032276 Alisma subcordatum Pursh USA: Rhode Island Cumberland: Cumberland E. F. Williams 1903-9-13
GH: 01032341 Alisma triviale Pursh USA: New Hampshire Hampton: Hampton E. F. Williams 1902-8-31
GH: 01032342 Alisma triviale Pursh USA: New Hampshire Walpole: Walpole E. F. Williams 1 1901-7-28
GH: 01032353 Alisma triviale Pursh USA: Vermont Middlebury: Middlebury E. F. Williams 1908-7-8
GH: 01032357 Alisma triviale Pursh USA: Vermont Norwich: Norwich E. F. Williams 1910-7-11
GH: 01032406 Echinodorus tenellus (Martius) Buchenau USA: Massachusetts Winchester: Winchester, Winter Pond E. F. Williams 2 1901-10-13
GH: 01080304 Sagittaria cuneata E. Sheldon USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-12
GH: 01080306 Sagittaria cuneata E. Sheldon USA: New Hampshire Cambridge: Cambridge E. F. Williams 1906-7-25
NEBC: 01080365 Sagittaria engelmanniana J. G. Smith USA: Massachusetts Tewksbury: Round Pond, Tewksbury E. F. Williams 1900-8-12
NEBC: 01080478 Sagittaria filiformis J. G. Smith USA: Massachusetts Natick: So. [South] Natick, Charles river E. F. Williams 1898-9-18
GH: 01080513 Sagittaria filiformis J. G. Smith USA: Rhode Island East Providence: East Providence E. F. Williams 1895-7-28
GH: 01080519 Sagittaria graminea Michaux USA: Maine Magalloway E. F. Williams 1903-8-1
GH: 01032412 Sagittaria graminea Michaux USA: New Hampshire Gorham: Gorham E. F. Williams 1895-8-5
GH: 01032653 Sagittaria latifolia Willdenow USA: New Hampshire Wentworth: Wentworth E. F. Williams 1908-7-29
NEBC: 01032686 Sagittaria latifolia Willdenow USA: Massachusetts Boxford: Boxford E. F. Williams 1 1899-8-3
NEBC: 01032700 Sagittaria latifolia Willdenow USA: Massachusetts Newburyport: Newburyport E. F. Williams 1898-7-31
NEBC: 01032720 Sagittaria latifolia Willdenow USA: Massachusetts Concord: Concord, shore of Concord River E. F. Williams 1896-9-27
GH: 01032721 Sagittaria latifolia Willdenow USA: Massachusetts Concord: Concord, on the Brigham farm E. F. Williams 1908-8-9
GH: 01032722 Sagittaria latifolia Willdenow USA: Massachusetts Concord: Concord, on Brigham farm E. F. Williams 1908-8-9
GH: 01032723 Sagittaria latifolia Willdenow USA: Massachusetts Concord: Concord, on Brigham farm E. F. Williams 1908-8-9
NEBC: 01032740 Sagittaria latifolia Willdenow USA: Massachusetts Newton: Newton, Rapids of Charles River, Riv... E. F. Williams 1897-9-5
NEBC: 01032741 Sagittaria latifolia Willdenow USA: Massachusetts Newton: Newton, Rapids of Charles River, Riv... E. F. Williams 1897-9-5
GH: 01032780 Sagittaria latifolia Willdenow USA: Massachusetts Sharon: Sharon E. F. Williams 1896-7-12
GH: 01032781 Sagittaria latifolia Willdenow USA: Massachusetts Wellesley: Wellesley E. F. Williams 1897-8-29
NEBC: 01032782 Sagittaria latifolia Willdenow USA: Massachusetts Wellesley: Wellesley E. F. Williams 1897-8-29
GH: 01080920 Sagittaria rigida Pursh USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-12
NEBC: 01080951 Sagittaria rigida Pursh USA: Vermont Weybridge: Weybridge E. F. Williams 1908-7-8
GH: 00518780 Sagittaria teres S. Watson USA: Massachusetts Barnstable: Wequeuoket [Wequaquet] pond - Ce... E. F. Williams 1896-7-4
NEBC: 00733847 Sagittaria teres S. Watson USA: Massachusetts Barnstable Town E. F. Williams 1896-7-4
GH: 00733848 Sagittaria teres S. Watson USA: Massachusetts Barnstable Town E. F. Williams 1896-7-4
GH: 00733850 Sagittaria teres S. Watson USA: Massachusetts Barnstable Town E. F. Williams 1897-9-12
NEBC: 00733853 Sagittaria teres S. Watson USA: Massachusetts Barnstable Town E. F. Williams 1897-9-12
Alliaceae GH: 00573081 Allium canadense Linnaeus USA: Massachusetts Woburn: Woburn E. F. Williams 1896-5-30
GH: 00573082 Allium canadense Linnaeus USA: Massachusetts Lincoln: Lincoln E. F. Williams 1899-6-17
GH: 00573128 Allium canadense Linnaeus USA: Rhode Island Cumberland: Cumberland E. F. Williams 1904-5-15
GH: 00573156 Allium canadense Linnaeus USA: Connecticut Stratford: Stratford E. F. Williams 1901-6-9
GH: 00573157 Allium canadense Linnaeus USA: Connecticut Stratford: Stratford E. F. Williams 1901-6-9
NEBC: 00567367 Allium schoenoprasum Linnaeus USA: Maine Fort Kent: Fort Kent E. F. Williams 1901-8-10
GH: 00734297 Allium tricoccum Aiton USA: New Hampshire Alstead: Alstead E. F. Williams 1901-7-27
NEBC: 00734304 Allium tricoccum Aiton USA: Vermont Willoughby E. F. Williams 1896-6-21
GH: 00734321 Allium tricoccum Aiton USA: Vermont Cambridge: Cambridge E. F. Williams 1897-7-8
GH: 00734320 Allium tricoccum Aiton USA: Vermont Sutton: Sutton E. F. Williams 1898-6-10
NEBC: 00734322 Allium tricoccum Aiton USA: Vermont Cambridge: Cambridge E. F. Williams 1897-7-8
GH: 00734331 Allium tricoccum Aiton USA: Vermont Hancock: Hancock E. F. Williams 1908-7-5
Amaranthaceae GH: 01928929 Acnida cannabina Moquin-Tandon USA: New Hampshire Hampton: [no additional data] E. F. Williams 1901-9-22
GH: 00614645 Amaranthus albus Linnaeus USA: Maine Fairfield: Fairfield E. F. Williams 1901-8-16
GH: 00614701 Amaranthus albus Linnaeus USA: New Hampshire Rye: Rye E. F. Williams 1901-9-19
NEBC: 00614736 Amaranthus albus Linnaeus USA: Massachusetts Cambridge: Cambridge, Mt. Auburn E. F. Williams 1897-8-28
GH: 00614738 Amaranthus albus Linnaeus USA: Massachusetts Concord: Concord E. F. Williams 1908-8-27
NEBC: 00614744 Amaranthus albus Linnaeus USA: Massachusetts Waltham: Waltham E. F. Williams 1895-10-6
NEBC: 00614763 Amaranthus albus Linnaeus USA: Massachusetts Centreville E. F. Williams 1897-9-12
GH: 00614766 Amaranthus albus Linnaeus USA: Massachusetts Centreville E. F. Williams 1897-9-12
GH: 00614791 Amaranthus albus Linnaeus USA: Rhode Island Middleton E. F. Williams 1908-9-12
GH: 00614852 Amaranthus blitoides S. Watson USA: Massachusetts Dedham: Dedham E. F. Williams 6534 1898-10-2
GH: 00614853 Amaranthus blitoides S. Watson USA: Massachusetts Dedham: Dedham E. F. Williams 1898-10-2
NEBC: 00614854 Amaranthus blitoides S. Watson USA: Massachusetts Dedham: Dedham E. F. Williams 1898-10-2
NEBC: 00614855 Amaranthus blitoides S. Watson USA: Massachusetts Dedham: Dedham E. F. Williams 1898-10-2
GH: 00741337 Amaranthus cannabinus (Linnaeus) J. D. Sauer USA: Massachusetts Newbury: Newbury E. F. Williams 1899-8-7
NEBC: 00741340 Amaranthus cannabinus (Linnaeus) J. D. Sauer USA: Massachusetts Newbury: Newbury E. F. Williams 1899-8-7
GH: 00741383 Amaranthus cannabinus (Linnaeus) J. D. Sauer USA: Massachusetts Barnstable Town E. F. Williams 1896-9-6
GH: 01928929 Amaranthus cannabinus (Linnaeus) J. D. Sauer USA: New Hampshire Hampton: [no additional data] E. F. Williams 1901-9-22
GH: 01962112 Amaranthus cruentus Linnaeus USA: Massachusetts Natick: So. [South] Natick E. F. Williams 1898-9-18
NEBC: 00614973 Amaranthus hybridus Linnaeus USA: Massachusetts Dedham: Dedham E. F. Williams 1897-8-22
GH: 00614976 Amaranthus hybridus Linnaeus USA: Massachusetts Wellesley: Wellesley E. F. Williams 1897-8-29
NEBC: 00614977 Amaranthus hybridus Linnaeus USA: Massachusetts Wellesley: Wellesley E. F. Williams 1897-8-29
GH: 00614888 Amaranthus powellii S. Watson USA: Massachusetts Tewksbury: Tewksbury E. F. Williams 1900-8-12
NEBC: 00614890 Amaranthus powellii S. Watson USA: Massachusetts Weston: Weston E. F. Williams 1897-9-5
NEBC: 00614891 Amaranthus powellii S. Watson USA: Massachusetts Weston: Weston, Riverside E. F. Williams 1897-9-5
GH: 00614943 Amaranthus retroflexus Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1908-7-22
NEBC: 00598409 Amaranthus retroflexus Linnaeus USA: Massachusetts Waltham: Waltham E. F. Williams 1 1895-10-6
NEBC: 00598408 Amaranthus retroflexus Linnaeus USA: Massachusetts Scituate: Scituate E. F. Williams 2 1897-9-6
GH: 00592070 Amaranthus tuberculatus (Moquin-Tandon) Sauer USA: Massachusetts Concord: Concord E. F. Williams 1899-9-17
Anacardiaceae GH: 00443509 Rhus copallinum Linnaeus USA: Massachusetts Quincy: Babel Rock, Blue Hills Reservation E. F. Williams 1895-9-2
GH: 00752431 Rhus copallinum latifolia Engler USA: Vermont Salisbury: Salisbury E. F. Williams 1908-7-14
GH: 00752434 Rhus copallinum latifolia Engler USA: Vermont Brandon: Brandon E. F. Williams 1904-7-14
NEBC: 00752450 Rhus copallinum latifolia Engler USA: Massachusetts Manchester: Manchester E. F. Williams 1895-8-18
NEBC: 00752452 Rhus copallinum latifolia Engler USA: Massachusetts Rockport: Rockport E. F. Williams 1897-8-15
GH: 00752506 Rhus copallinum latifolia Engler USA: Massachusetts Aquinnah: Aquinnah E. F. Williams 1896-9-25
GH: 00752533 Rhus copallinum latifolia Engler USA: Massachusetts Buckland: Buckland E. F. Williams 1909-8-4
GH: 00415117 Rhus glabra Linnaeus USA: Massachusetts Medford: Little Neck, Middlesex Fells Reserv... E. F. Williams 1895-4-19
GH: 00415118 Rhus glabra Linnaeus USA: Massachusetts Weston: [no additional data] E. F. Williams 1895-11-18
GH: 00415119 Rhus glabra Linnaeus USA: Massachusetts Dedham: [no additional data] E. F. Williams 1895-11-10
GH: 00690846 Rhus glabra Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 1895-7-22
NEBC: 00690847 Rhus glabra Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 1896-7-31
GH: 00690878 Rhus glabra Linnaeus USA: New Hampshire Norwich E. F. Williams 1910-7-8
GH: 00690927 Rhus glabra Linnaeus USA: Massachusetts Canton: Canton E. F. Williams 1909-8-31
NEBC: 00690935 Rhus glabra Linnaeus USA: Massachusetts Sharon: Sharon E. F. Williams 1896-7-12
NEBC: 00690936 Rhus glabra Linnaeus USA: Massachusetts Sharon: Sharon E. F. Williams 1896-7-12
GH: 00720959 Rhus glabra Linnaeus USA: Rhode Island Cumberland: Cumberland E. F. Williams 1 1903-9-13
NEBC: 00720966 Rhus glabra Linnaeus USA: Rhode Island North Kingstown: North Kingstown E. F. Williams 2 1908-6-17
GH: 00415123 Rhus typhina Linnaeus USA: Massachusetts Medford: Little Neck, Middlesex Fells Reserv... E. F. Williams 1895-4-19
GH: 00690982 Rhus typhina Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-30
NEBC: 00690983 Rhus typhina Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-30
NEBC: 00690985 Rhus typhina Linnaeus USA: New Hampshire Shelburne: Shelburne E. F. Williams 1895-7-25
NEBC: 00690986 Rhus typhina Linnaeus USA: Massachusetts Middlesex Fells Reservation E. F. Williams 1895-10-20
NEBC: 00752565 Rhus typhina Linnaeus USA: Vermont Willoughby E. F. Williams 1898-7-11
NEBC: 00752615 Rhus typhina Linnaeus USA: Massachusetts Revere: Revere E. F. Williams 1896-6-28
GH: 00415063 Rhus venenata de Candolle USA: Massachusetts Boston: shores of Muddy [Turtle] Pond. Stony... E. F. Williams 1896-9-13
GH: 00415063 Rhus vernix Linnaeus USA: Massachusetts Boston: shores of Muddy [Turtle] Pond. Stony... E. F. Williams 1896-9-13
GH: 00660536 Toxicodendron radicans (Linnaeus) Kuntze USA: Massachusetts Lexington: Lexington, Lowell St. E. F. Williams 1896-5-30
GH: 00660550 Toxicodendron radicans (Linnaeus) Kuntze USA: Massachusetts Winchester: Winchester E. F. Williams 1895-6-2
GH: 00660549 Toxicodendron radicans (Linnaeus) Kuntze USA: Massachusetts Middlesex Fells Reservation E. F. Williams 1895-12-21
GH: 00660548 Toxicodendron radicans (Linnaeus) Kuntze USA: Massachusetts Boston: Boston E. F. Williams 1895-11-3
GH: 00660579 Toxicodendron radicans (Linnaeus) Kuntze USA: Massachusetts Barnstable Town E. F. Williams 1896-7-5
GH: 00660640 Toxicodendron radicans (Linnaeus) Kuntze USA: Rhode Island North Kingstown: North Kingstown E. F. Williams 1908-6-18
GH: 01869307 Toxicodendron rydbergii (Small ex Rydberg) Greene Canada: New Brunswick Gorge of the Aroostook River E. F. Williams 1901-8-17
GH: 00772311 Toxicodendron rydbergii (Small ex Rydberg) Greene USA: New Hampshire Warren: Warren E. F. Williams 1908-7-24
NEBC: 00752698 Toxicodendron rydbergii (Small ex Rydberg) Greene USA: Vermont Willoughby E. F. Williams 1898-7-18
GH: 00415063 Toxicodendron vernix (Linnaeus) Kuntze USA: Massachusetts Boston: shores of Muddy [Turtle] Pond. Stony... E. F. Williams 1896-9-13
GH: 00772323 Toxicodendron vernix (Linnaeus) Kuntze USA: Massachusetts Concord: Concord, Anursnack hill E. F. Williams 1897-10-24
GH: 00772401 Toxicodendron vernix (Linnaeus) Kuntze USA: Rhode Island North Kingstown: North Kingstown E. F. Williams 1908-6-17
NEBC: 00772402 Toxicodendron vernix (Linnaeus) Kuntze USA: Rhode Island North Kingstown: North Kingstown E. F. Williams 1908-6-17
Andreaeaceae NEBC: 00536492 Andreaea rupestris Hedwig USA: New Hampshire Mt. Washington: [no additional data] E. F. Williams 1895-7-10
Apiaceae GH: 00523696 Aethusa cynapium Linnaeus USA: Rhode Island Newport: Newport E. F. Williams 1908-9-12
GH: 00483146 Angelica atropurpurea Linnaeus USA: Maine Newry: Newry E. F. Williams 1906-7-24
NEBC: 00483167 Angelica atropurpurea Linnaeus USA: New Hampshire Mt. Washington E. F. Williams 1896-8-8
GH: 00483169 Angelica atropurpurea Linnaeus USA: New Hampshire Mt. Washington E. F. Williams 2 1895-7-11
GH: 00483170 Angelica atropurpurea Linnaeus USA: New Hampshire Mt. Washington E. F. Williams 1 1895-7-11
GH: 00483190 Angelica atropurpurea Linnaeus USA: Vermont Maidstone: Maidstone E. F. Williams 1906-7-26
GH: 00483199 Angelica atropurpurea Linnaeus USA: Vermont Ripton: Ripton E. F. Williams 1908-7-7
GH: 00483267 Angelica atropurpurea Linnaeus USA: Massachusetts Williamstown: Williamstown E. F. Williams 1901-6-15
GH: 00523754 Carum carvi Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 1895-7-22
GH: 00523788 Carum carvi Linnaeus USA: Vermont Weybridge: Weybridge E. F. Williams 1908-5-27
GH: 00523831 Carum carvi Linnaeus USA: Massachusetts Ashfield: Ashfield E. F. Williams 1907-7-3
GH: 00483658 Cicuta bulbifera Linnaeus USA: New Hampshire Wentworth: Wentworth E. F. Williams 1908-7-29
GH: 00483665 Cicuta bulbifera Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-12
GH: 00483666 Cicuta bulbifera Linnaeus USA: New Hampshire Orford: Orford E. F. Williams 1908-8-1
GH: 00483722 Cicuta bulbifera Linnaeus USA: Massachusetts Concord: Concord E. F. Williams 1908-8-20
NEBC: 00483735 Cicuta bulbifera Linnaeus USA: Massachusetts Woburn: Woburn, Shaker Glen E. F. Williams 1895-9-1
GH: 01050833 Cicuta maculata Linnaeus USA: Vermont Norwich: Norwich E. F. Williams 1910-7-8
GH: 01050857 Cicuta maculata Linnaeus USA: Massachusetts Cambridge: West Cambridge E. F. Williams 1897-8-28
GH: 01050939 Cicuta maculata Linnaeus USA: Rhode Island Middletown: Middletown E. F. Williams 1909-7-5
GH: 01036071 Coelopleurum lucidum (Linnaeus) Fernald USA: Maine Mount Desert Island E. F. Williams 1899-7-16
GH: 01036074 Coelopleurum lucidum (Linnaeus) Fernald USA: Maine Cranberry Isles: Cranberry Isles E. F. Williams 1899-7-24
GH: 01036010 Coelopleurum lucidum (Linnaeus) Fernald USA: Massachusetts Gloucester: Gloucester E. F. Williams 1897-8-15
GH: 01050958 Conioselinum chinense Britton, Stearn & Poggenburg USA: Maine Fort Fairfield: Fort Fairfield E. F. Williams 1901-8-15
GH: 01051001 Conioselinum chinense Britton, Stearn & Poggenburg USA: Maine Mount Desert Island E. F. Williams 1910-8-7
GH: 01051003 Conioselinum chinense Britton, Stearn & Poggenburg USA: Maine Mount Desert Island E. F. Williams 1899-7-25
GH: 00523861 Conium maculatum Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-11
NEBC: 01051089 Cryptotaenia canadensis (Linnaeus) de Candolle USA: New Hampshire Alstead: Alstead E. F. Williams 1901-7-27
GH: 01051103 Cryptotaenia canadensis (Linnaeus) de Candolle USA: Vermont Stowe: Stowe E. F. Williams 1897-7-2
NEBC: 01051140 Cryptotaenia canadensis (Linnaeus) de Candolle USA: Massachusetts Boxford: Boxford E. F. Williams 1906-7-15
NEBC: 01051151 Cryptotaenia canadensis (Linnaeus) de Candolle USA: Massachusetts Revere: Revere E. F. Williams 1894-8-19
GH: 01051184 Cryptotaenia canadensis (Linnaeus) de Candolle USA: Massachusetts Williamstown: Williamstown E. F. Williams 1901-6-17
GH: 00447949 Daucus carota Linnaeus USA: Vermont Salisbury: Salisbury E. F. Williams 1908-7-14
NEBC: 00447986 Daucus carota Linnaeus USA: Massachusetts Revere: Revere E. F. Williams 1896-8-30
GH: 00447862 Daucus carota Linnaeus USA: Maine Gerrish Island: Gerrish Island E. F. Williams 1895-8-27
GH: 00447874 Daucus carota Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-9
GH: 00448028 Daucus carota Linnaeus USA: Massachusetts Conway: Conway E. F. Williams 1907-7-12
GH: 00448044 Daucus carota Linnaeus USA: Rhode Island Rumford: Rumford E. F. Williams 1903-9-6
GH: 00448052 Daucus carota Linnaeus USA: Rhode Island Wickford: Wickford E. F. Williams 1908-6-17
GH: 00689479 Heracleum maximum W. Bartram USA: Vermont Ripton: Ripton E. F. Williams 1908-7-4
GH: 00689480 Heracleum maximum W. Bartram USA: Vermont Ripton: Ripton E. F. Williams 1908-7-4
GH: 01051227 Heracleum maximum W. Bartram USA: Maine Mount Katahdin E. F. Williams 1900-7-9
GH: 01051280 Heracleum maximum W. Bartram USA: New Hampshire Randolph: Randolph E. F. Williams 1896-7-28
GH: 01051285 Heracleum maximum W. Bartram USA: New Hampshire Mount Washington E. F. Williams 1895-7-7
GH: 01051286 Heracleum maximum W. Bartram USA: New Hampshire Mount Washington E. F. Williams 1895-7-8
GH: 01051327 Heracleum maximum W. Bartram USA: Massachusetts Deerfield: Deerfield E. F. Williams 1910-6-17
GH: 01051344 Heracleum maximum W. Bartram USA: Rhode Island Middletown: Middletown E. F. Williams 1908-5-31
GH: 00266457 Heracleum sphondylium Linnaeus USA: Massachusetts Boston: Back Bay E. F. Williams 1910-8-27
GH: 00266457 Heracleum wilhelmsii Fischer & C. A. Meyer USA: Massachusetts Boston: Back Bay E. F. Williams 1910-8-27
GH: 01051480 Hydrocotyle americana Linnaeus USA: Vermont Ripton: Ripton E. F. Williams 1908-7-3
NEBC: 01051510 Hydrocotyle americana Linnaeus USA: Massachusetts Weston: Weston, Riverside E. F. Williams 1898-8-6
GH: 01051515 Hydrocotyle americana Linnaeus USA: Massachusetts Scituate: Scituate E. F. Williams 1898-7-10
GH: 01051516 Hydrocotyle americana Linnaeus USA: Massachusetts Scituate: Scituate E. F. Williams 1898-9-11
GH: 01051613 Hydrocotyle umbellata Michaux USA: Massachusetts Plymouth: Plymouth E. F. Williams 1910-9-11
GH: 01051646 Hydrocotyle umbellata Michaux USA: Massachusetts Nantucket: Nantucket E. F. Williams 1894-9-8
GH: 01051677 Ligusticum scoticum Linnaeus USA: Maine Mount Desert Island E. F. Williams 1899-7-22
NEBC: 01051683 Ligusticum scoticum Linnaeus USA: Maine Cranberry Isles: Cranberry Isles E. F. Williams 1899-7-20
GH: 01051736 Ligusticum scoticum Linnaeus USA: New Hampshire Rye: Rye E. F. Williams 1901-9-19
NEBC: 01051764 Ligusticum scoticum Linnaeus USA: Massachusetts Marshfield: Marshfield E. F. Williams 1896-10-4
GH: 01051765 Ligusticum scoticum Linnaeus USA: Massachusetts North Scituate E. F. Williams 1897-9-6
GH: 01081102 Osmorhiza claytonii (Michaux) C. B. Clarke USA: New Hampshire Randolph: Randolph E. F. Williams 1 1896-7-31
GH: 01081103 Osmorhiza claytonii (Michaux) C. B. Clarke USA: New Hampshire Randolph: Randolph E. F. Williams 2 1896-8-14
NEBC: 01081139 Osmorhiza claytonii (Michaux) C. B. Clarke USA: Vermont Lemington: Mount Monadnock E. F. Williams 1895-7-28
GH: 01081146 Osmorhiza claytonii (Michaux) C. B. Clarke USA: Vermont Willoughby E. F. Williams 1896-7-18
NEBC: 01081150 Osmorhiza claytonii (Michaux) C. B. Clarke USA: Vermont Willoughby E. F. Williams 1898-6-17
GH: 01081180 Osmorhiza claytonii (Michaux) C. B. Clarke USA: Vermont Brandon: Brandon E. F. Williams 1 1908-5-24
GH: 01009426 Osmorhiza claytonii (Michaux) C. B. Clarke USA: Massachusetts Ashfield: Ashfield E. F. Williams 1907-7-13
NEBC: 01009517 Osmorhiza longistylis (Torrey) de Candolle USA: New Hampshire Walpole: Walpole E. F. Williams 1901-7-28
NEBC: 01009572 Osmorhiza longistylis (Torrey) de Candolle USA: Massachusetts Revere: Revere E. F. Williams 1896-6-28
GH: 01025213 Osmorhiza longistylis (Torrey) de Candolle USA: Rhode Island Middletown: Middletown E. F. Williams 1908-5-31
NEBC: 01025214 Osmorhiza longistylis (Torrey) de Candolle USA: Rhode Island Portsmouth: Portsmouth E. F. Williams 1911-6-18
GH: 00673105 Panax quinquefolius Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1910-7-28
NEBC: 00673120 Panax quinquefolius Linnaeus USA: Vermont Sutton: Sutton E. F. Williams 1894-7-28
NEBC: 00673121 Panax quinquefolius Linnaeus USA: Vermont Willoughby E. F. Williams 1894-7-30
NEBC: 00673123 Panax quinquefolius Linnaeus USA: Vermont Willoughby E. F. Williams 1898-6-17
GH: 01051967 Panax trifolius Linnaeus USA: New Hampshire Jaffrey: Jaffrey E. F. Williams 1898-5-29
NEBC: 01009116 Panax trifolius Linnaeus USA: Massachusetts Norwood: Norwood E. F. Williams 1895-5-19
GH: 00483021 Pastinaca sativa Linnaeus USA: New Hampshire Jefferson: Jefferson E. F. Williams 2 1895-7-31
GH: 00483022 Pastinaca sativa Linnaeus USA: New Hampshire Jefferson: Jefferson E. F. Williams 1 1895-7-31
GH: 00483104 Pastinaca sativa Linnaeus USA: Massachusetts Bourne: Bourne E. F. Williams 1898-8-21
GH: 00483116 Pastinaca sativa Linnaeus USA: Massachusetts Ashfield: Ashfield E. F. Williams 1909-8-8
GH: 00483117 Pastinaca sativa Linnaeus USA: Massachusetts Buckland: Buckland E. F. Williams 1907-7-10
NEBC: 01025302 Ptilimnium capillaceum (Michaux) Rafinesque USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-30
NEBC: 01025303 Ptilimnium capillaceum (Michaux) Rafinesque USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-21
NEBC: 01025304 Ptilimnium capillaceum (Michaux) Rafinesque USA: Massachusetts Nantucket: Nantucket E. F. Williams 1894-9-8
GH: 00750868 Sanicula canadensis Linnaeus USA: Massachusetts Conway: Conway E. F. Williams 1909-8-6
GH: 00483506 Sanicula marilandica Linnaeus USA: Massachusetts Centreville E. F. Williams 1895-6-16
NEBC: 00483507 Sanicula marilandica Linnaeus USA: Massachusetts Centreville E. F. Williams 1896-7-5
GH: 00483554 Sanicula marilandica Linnaeus USA: Rhode Island Wickford E. F. Williams 1908-6-17
GH: 00483283 Sanicula marilandica Linnaeus USA: Maine Fort Fairfield: Fort Fairfield E. F. Williams 1902-7-16
NEBC: 00483314 Sanicula marilandica Linnaeus USA: Maine Middle Dam E. F. Williams 1903-8-2
GH: 00483372 Sanicula marilandica Linnaeus USA: New Hampshire Wentworth: Wentworth E. F. Williams 1908-7-24
NEBC: 00483407 Sanicula marilandica Linnaeus USA: Vermont Willoughby E. F. Williams 1896-7-18
NEBC: 00483455 Sanicula marilandica Linnaeus USA: Massachusetts Magnolia E. F. Williams 1896-6-14
NEBC: 00483475 Sanicula marilandica Linnaeus USA: Massachusetts Winchester: Winchester E. F. Williams 1895-6-2
NEBC: 00483481 Sanicula marilandica Linnaeus USA: Massachusetts Revere: Revere E. F. Williams
NEBC: 00483494 Sanicula marilandica Linnaeus USA: Massachusetts Walpole: Walpole E. F. Williams 1896-6-7
GH: 01025368 Sanicula odorata (Raf.) K.M. Pryer & L.R. Phillippe USA: Vermont Norwich: Norwich E. F. Williams 1910-7-8
NEBC: 01025380 Sanicula odorata (Raf.) K.M. Pryer & L.R. Phillippe USA: Massachusetts Newbury: Newbury E. F. Williams 1899-8-7
GH: 01025381 Sanicula odorata (Raf.) K.M. Pryer & L.R. Phillippe USA: Massachusetts Newbury: Newbury E. F. Williams 1899-8-7
GH: 01025386 Sanicula odorata (Raf.) K.M. Pryer & L.R. Phillippe USA: Massachusetts Revere: Revere E. F. Williams 1896-6-28
NEBC: 01025390 Sanicula odorata (Raf.) K.M. Pryer & L.R. Phillippe USA: Massachusetts Revere: Revere E. F. Williams 1896-6-28
GH: 01025426 Sanicula odorata (Raf.) K.M. Pryer & L.R. Phillippe USA: Connecticut Stratford: Stratford E. F. Williams 1901-6-9
NEBC: 01010230 Sanicula trifoliata E. P. Bicknell USA: Vermont East Middlebury E. F. Williams 1908-7-14
NEBC: 01010294 Sium suave Walter USA: Maine Lincoln: Lincoln E. F. Williams 1903-7-30
GH: 01010304 Sium suave Walter USA: Maine Mount Desert Island E. F. Williams 1899-7-25
GH: 01010365 Sium suave Walter USA: New Hampshire Dummer: Dummer E. F. Williams 1895-7-29
GH: 01009697 Sium suave Walter USA: Massachusetts Weston: Weston E. F. Williams 1894-11-18
GH: 00566028 Zizia aurea (Linnaeus) W. D. J. Koch USA: New Hampshire Warren: Warren E. F. Williams 1908-7-26
GH: 00587006 Zizia aurea (Linnaeus) W. D. J. Koch USA: Vermont Willoughby E. F. Williams 1898-6-9
NEBC: 00587009 Zizia aurea (Linnaeus) W. D. J. Koch USA: Vermont Willoughby E. F. Williams 1898-6-9
GH: 00587056 Zizia aurea (Linnaeus) W. D. J. Koch USA: Massachusetts North Andover: North Andover E. F. Williams 1900-6-3
NEBC: 00587064 Zizia aurea (Linnaeus) W. D. J. Koch USA: Massachusetts Burlington: Burlington E. F. Williams 1 1899-5-14
Apocynaceae GH: 02180670 Amsonia tabernaemontana Walter USA: Massachusetts Boston: Back Bay waste lands E. F. Williams 1903-8-12
NEBC: 01035280 Apocynum cannabinum Linnaeus USA: Massachusetts Weston: Weston E. F. Williams 1898-8-6
GH: 01035477 Apocynum floribundum Greene USA: Massachusetts Weston: Weston E. F. Williams 1898-8-6
GH: 00683378 Periploca graeca Linnaeus USA: Rhode Island Middletown: Middletown E. F. Williams 1911-6-17
NEBC: 00683379 Periploca graeca Linnaeus USA: Rhode Island Middletown: Middletown E. F. Williams 1911-6-17
GH: 00685253 Vinca minor Linnaeus USA: Vermont Wallingford: Wallingford E. F. Williams 1908-5-25
NEBC: 00685261 Vinca minor Linnaeus USA: Massachusetts E. F. Williams 1902-4-20
GH: 00685263 Vinca minor Linnaeus USA: Massachusetts Milton: Milton E. F. Williams 1902-4-20
NEBC: 00685288 Vinca minor Linnaeus USA: Rhode Island Portsmouth: Portsmouth E. F. Williams 1911-6-18
Aquifoliaceae NEBC: 00734618 Ilex glabra (Linnaeus) A. Gray USA: Massachusetts Gloucester: Gloucester E. F. Williams 1896-6-13
GH: 00734621 Ilex glabra (Linnaeus) A. Gray USA: Massachusetts Gloucester: Gloucester E. F. Williams 1896-6-13
GH: 00734656 Ilex glabra (Linnaeus) A. Gray USA: Massachusetts Barnstable Town E. F. Williams 8 1896-7-5
GH: 00734658 Ilex glabra (Linnaeus) A. Gray USA: Massachusetts Barnstable Town E. F. Williams 1896-7-5
NEBC: 00734660 Ilex glabra (Linnaeus) A. Gray USA: Massachusetts Barnstable Town E. F. Williams 1897-4-18
NEBC: 00734661 Ilex glabra (Linnaeus) A. Gray USA: Massachusetts Wareham: Wareham E. F. Williams 1 1895-3-31
NEBC: 00441128 Ilex glabra (Linnaeus) A. Gray USA: Massachusetts Barnstable Town E. F. Williams 2 1895-6-17
NEBC: 00734666 Ilex glabra (Linnaeus) A. Gray USA: Massachusetts Falmouth: Falmouth E. F. Williams 1911-7-13
GH: 00734667 Ilex glabra (Linnaeus) A. Gray USA: Massachusetts Falmouth: Falmouth E. F. Williams 1911-7-13
NEBC: 00734678 Ilex glabra (Linnaeus) A. Gray USA: Massachusetts Barnstable Town E. F. Williams 1896-7-5
NEBC: 00312065 Ilex laevigata (Pursh) A. Gray USA: Massachusetts Boston: Stony Brook Reservation, edge, Muddy... E. F. Williams 1896-9-13
NEBC: 00760873 Ilex laevigata (Pursh) A. Gray USA: Massachusetts Norwood: Norwood E. F. Williams 1897-6-27
GH: 00760874 Ilex laevigata (Pursh) A. Gray USA: Massachusetts Norwood: Norwood E. F. Williams 1897-6-27
NEBC: 00760878 Ilex laevigata (Pursh) A. Gray USA: Massachusetts Walpole: Walpole E. F. Williams 1897-9-26
GH: 00760881 Ilex laevigata (Pursh) A. Gray USA: Massachusetts Walpole: Walpole E. F. Williams 1897-9-26
NEBC: 00760891 Ilex laevigata (Pursh) A. Gray USA: Massachusetts Tewksbury: Round Pond, Tewksbury E. F. Williams 1 1901-7-29
GH: 00767436 Ilex laevigata herveyi (Pursh) A. Gray USA: Massachusetts Walpole: Walpole E. F. Williams 1897-9-26
NEBC: 00312080 Ilex mucronata (Linnaeus) M. Powell, Savolainen & S. Andrews USA: Massachusetts Boston: Stony Brook Reservation, edge of Mud... E. F. Williams 1896-8-23
GH: 00767446 Ilex mucronata (Linnaeus) M. Powell, Savolainen & S. Andrews USA: Maine Mount Katahdin E. F. Williams 1900-7-9
GH: 00629938 Ilex mucronata (Linnaeus) M. Powell, Savolainen & S. Andrews USA: New Hampshire Dixville: Dixville E. F. Williams 1895-7-27
GH: 00713428 Ilex mucronata (Linnaeus) M. Powell, Savolainen & S. Andrews USA: Massachusetts Blue Hills Reservation E. F. Williams 1895-12-1
NEBC: 00773886 Ilex mucronata (Linnaeus) M. Powell, Savolainen & S. Andrews USA: Vermont Willoughby E. F. Williams 1896-7-25
GH: 00773899 Ilex mucronata (Linnaeus) M. Powell, Savolainen & S. Andrews USA: Vermont Ripton: Ripton E. F. Williams 1908-7-13
GH: 00773908 Ilex mucronata (Linnaeus) M. Powell, Savolainen & S. Andrews USA: Vermont Pownal: Pownal E. F. Williams 1 1901-6-17
NEBC: 00773940 Ilex mucronata (Linnaeus) M. Powell, Savolainen & S. Andrews USA: Massachusetts Chestnut Hill [Boston/Brookline/Newton] E. F. Williams 1896-5-14
GH: 00773941 Ilex mucronata (Linnaeus) M. Powell, Savolainen & S. Andrews USA: Massachusetts Chestnut Hill [Boston/Brookline/Newton] E. F. Williams 1896-5-14
NEBC: 00713225 Ilex opaca Aiton USA: Massachusetts Holbrook: Holbrook E. F. Williams 1902-5-30
GH: 00767513 Ilex verticillata (Linnaeus) A. Gray USA: Maine Cranberry Isles: Cranberry Isles E. F. Williams 1899-7-20
GH: 00767823 Ilex verticillata (Linnaeus) A. Gray USA: Vermont Salisbury: Salisbury E. F. Williams 1908-7-14
NEBC: 00713751 Ilex verticillata (Linnaeus) A. Gray USA: Massachusetts Norwood: Norwood E. F. Williams 1895-6-23
NEBC: 00767877 Ilex verticillata (Linnaeus) A. Gray USA: Massachusetts Concord: Concord, banks of Assabet river E. F. Williams 1896-9-20
NEBC: 00767888 Ilex verticillata (Linnaeus) A. Gray USA: Massachusetts Newton: Newton, Riverside By the B.A.A. [Bos... E. F. Williams 1894-10-14
NEBC: 00713638 Ilex verticillata (Linnaeus) A. Gray USA: Massachusetts Marshfield: Marshfield E. F. Williams 1896-10-4
GH: 00687021 Ilex verticillata (Linnaeus) A. Gray USA: Rhode Island North Kingstown: North Kingstown E. F. Williams 1908-6-17
NEBC: 00312080 Nemopanthus mucronatus (Linnaeus) Trelease USA: Massachusetts Boston: Stony Brook Reservation, edge of Mud... E. F. Williams 1896-8-23
Araceae NEBC: 01009934 Acorus americanus (Rafinesque) Rafinesque USA: Massachusetts Newton: Newton, Riverside, Charles River
E. F. Williams 1897-9-5
GH: 01010626 Acorus calamus Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 1896-7-29
GH: 01010652 Acorus calamus Linnaeus USA: Vermont Sudbury: Sudbury E. F. Williams 1908-5-23
GH: 01024616 Acorus calamus Linnaeus USA: Massachusetts Woburn: Woburn, Lexington St. E. F. Williams 1896-5-30
NEBC: 01024617 Acorus calamus Linnaeus USA: Massachusetts Boston: Hyde Park, Readville, Brush Hill roa... E. F. Williams 1895-6-9
GH: 01081805 Arisaema dracontium (Linnaeus) Schott USA: Vermont Weybridge: Weybridge E. F. Williams 1908-7-8
NEBC: 01080156 Arisaema triphyllum (Linnaeus) Schott USA: Vermont Lemington: Mount Monadnock E. F. Williams 1895-7-28
GH: 01010740 Arisaema triphyllum (Linnaeus) Schott USA: Vermont Leicester: Leicester E. F. Williams 1908-5-22
GH: 01010777 Arisaema triphyllum (Linnaeus) Schott USA: Massachusetts Bedford: Bedford E. F. Williams 1 1900-5-13
GH: 01010789 Arisaema triphyllum (Linnaeus) Schott USA: Massachusetts Chestnut Hill [Boston/Brookline/Newton] E. F. Williams 1895-5-30
GH: 01080258 Arisaema triphyllum (Linnaeus) Schott USA: Massachusetts Mount Greylock E. F. Williams 1 1901-6-16
NEBC: 01010832 Arisaema triphyllum (Linnaeus) Schott USA: Rhode Island Cumberland: Cumberland E. F. Williams 1 1904-5-15
NEBC: 01010934 Arisaema triphyllum stewardsonii (Britton) Huttleston USA: New Hampshire Troy: Troy E. F. Williams 1899-5-30
NEBC: 01081877 Calla palustris Linnaeus USA: Maine Fort Kent: Fort Kent E. F. Williams 1 1900-7-22
GH: 01081933 Calla palustris Linnaeus USA: New Hampshire Gorham: Gorham E. F. Williams 1895-8-5
GH: 01081938 Calla palustris Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 1893-7-28
GH: 01032919 Calla palustris Linnaeus USA: Massachusetts Walpole: Walpole E. F. Williams 1 1896-6-7
GH: 01080084 Calla palustris Linnaeus USA: Massachusetts Billerica: North Billerica E. F. Williams 1900-10-21
GH: 00733794 Orontium aquaticum Linnaeus USA: Connecticut Southington: Southington E. F. Williams 1901-5-30
GH: 00443538 Peltandra undulata Rafinesque USA: Massachusetts Blue Hills Reservation E. F. Williams 1894-9-3
GH: 00443547 Peltandra undulata Rafinesque USA: Massachusetts Billerica: near E. Billerica E. F. Williams 1899-10-8
GH: 00443538 Peltandra virginica (Linnaeus) Rafinesque ex Schott USA: Massachusetts Blue Hills Reservation E. F. Williams 1894-9-3
GH: 00443547 Peltandra virginica (Linnaeus) Rafinesque ex Schott USA: Massachusetts Billerica: near E. Billerica E. F. Williams 1899-10-8
GH: 00219775 Symplocarpus foetidus (Linnaeus) Salisbury ex W. P. C. Barton USA: Rhode Island Rumford: E. F. Williams 1904-4-10
GH: 00339821 Symplocarpus foetidus (Linnaeus) Salisbury ex W. P. C. Barton USA: Massachusetts Norwood: Purgatory E. F. Williams 1895-4-28
GH: 00339822 Symplocarpus foetidus (Linnaeus) Salisbury ex W. P. C. Barton USA: Massachusetts Boston: Stony Brook Reserv. [Hyde Park/West ... E. F. Williams 1896-4-12
NEBC: 00339826 Symplocarpus foetidus (Linnaeus) Salisbury ex W. P. C. Barton USA: Massachusetts Boston: Stony Brook Reservation [Hyde Park/W... E. F. Williams
GH: 00339828 Symplocarpus foetidus (Linnaeus) Salisbury ex W. P. C. Barton USA: Massachusetts Blue Hills Reservation, Gardners' Swamp E. F. Williams 1894-9-23
GH: 00339829 Symplocarpus foetidus (Linnaeus) Salisbury ex W. P. C. Barton USA: Massachusetts Woburn: Shaker Glen E. F. Williams 1895-9-1
NEBC: 00635372 Symplocarpus foetidus (Linnaeus) Salisbury ex W. P. C. Barton USA: Massachusetts Billerica: North Billerica E. F. Williams 2 1900-10-21
NEBC: 00635373 Symplocarpus foetidus (Linnaeus) Salisbury ex W. P. C. Barton USA: Massachusetts Weston: Weston, N.E. of Doublet Hill E. F. Williams 1895-4-7
NEBC: 00635374 Symplocarpus foetidus (Linnaeus) Salisbury ex W. P. C. Barton USA: Massachusetts Weston: Weston, N.E. of Doublet Hill E. F. Williams 1895-4-7
NEBC: 00764323 Symplocarpus foetidus (Linnaeus) Salisbury ex W. P. C. Barton USA: Massachusetts Norwood: Norwood E. F. Williams 1895-3-24
Araliaceae GH: 00816734 Aralia hispida Ventenat USA: Maine Mount Agamenticus E. F. Williams 1903-7-17
NEBC: 00816749 Aralia hispida Ventenat USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-25
NEBC: 01036316 Aralia hispida Ventenat USA: New Hampshire Hart's Location: Hart's Location E. F. Williams 1895-7-16
NEBC: 01036358 Aralia hispida Ventenat USA: Vermont Ripton: Ripton E. F. Williams 1908-7-4
GH: 00816762 Aralia hispida Ventenat USA: Massachusetts Manchester: Manchester E. F. Williams 1895-8-18
GH: 00816794 Aralia hispida Ventenat USA: Massachusetts Norwood: Norwood E. F. Williams 1895-6-23
NEBC: 00816795 Aralia hispida Ventenat USA: Massachusetts Norwood: Norwood E. F. Williams 1895-6-23
GH: 00448346 Aralia nudicaulis Linnaeus USA: Maine Wassataquoik River Valley, McLeod's & Bell C... E. F. Williams 1900-7-16
GH: 00448354 Aralia nudicaulis Linnaeus USA: Maine Mount Desert (Hancock County): Northeast Har... E. F. Williams 1910-8-5
GH: 00448383 Aralia nudicaulis Linnaeus USA: New Hampshire Gorham: Gorham E. F. Williams 1895-8-5
GH: 00448595 Aralia nudicaulis Linnaeus USA: Massachusetts Mt. Greylock E. F. Williams 1901-6-16
NEBC: 00448612 Aralia nudicaulis Linnaeus USA: Rhode Island Lonsdale: Lonsdale E. F. Williams 1904-5-15
GH: 00448450 Aralia nudicaulis Linnaeus USA: Vermont Brandon: Brandon E. F. Williams 1908-5-21
NEBC: 00448497 Aralia nudicaulis Linnaeus USA: Massachusetts Revere: Revere E. F. Williams 1895-5-26
GH: 00282046 Aralia racemosa Linnaeus USA: New Hampshire Gordon ridge, Mt. Madison E. F. Williams 1895-7-23
NEBC: 00282049 Aralia racemosa Linnaeus USA: New Hampshire Randolph: E. F. Williams 1897-8-2
GH: 00282060 Aralia racemosa Linnaeus USA: New Hampshire Warren: Breezy Point E. F. Williams 1907-7-22
NEBC: 00282873 Aralia racemosa Linnaeus USA: Vermont Westmore: E. F. Williams 1896-7-26
NEBC: 00282874 Aralia racemosa Linnaeus USA: Vermont Westmore: E. F. Williams 1896-7-26
GH: 00282948 Aralia racemosa Linnaeus USA: Massachusetts Ashfield: E. F. Williams 1907-5-13
GH: 00282968 Aralia racemosa Linnaeus USA: Rhode Island Lincoln: E. F. Williams 1910-10-2
Aristolochiaceae GH: 00642319 Asarum canadense Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-6
GH: 00642361 Asarum canadense Linnaeus USA: Vermont Cambridge: Cambridge E. F. Williams 1897-7-5
NEBC: 00642364 Asarum canadense Linnaeus USA: Vermont Cambridge: Cambridge E. F. Williams 1897-7-5
GH: 00642398 Asarum canadense Linnaeus USA: Vermont Wallingford: Wallingford E. F. Williams 1908-5-25
GH: 00642445 Asarum canadense Linnaeus USA: Massachusetts Ashfield: Ashfield E. F. Williams 1907-7-3
GH: 00762025 Asarum canadense Linnaeus USA: Massachusetts Williamstown: Williamstown E. F. Williams 1 1901-6-17
GH: 00762037 Asarum canadense Linnaeus USA: Connecticut Southington: Southington E. F. Williams 1 1901-5-30
Asclepiadaceae NEBC: 00375276 Asclepias cornuti Decaisne USA: Massachusetts Boston: Stony Brook Reservation [Hyde Park/W... E. F. Williams 1896-9-13
GH: 00375308 Asclepias cornuti Decaisne USA: Massachusetts Milton: Hillside St., Blue Hills Reserv. E. F. Williams 1895-6-30
NEBC: 00375259 Asclepias exaltata Linnaeus USA: Massachusetts Boston: Stony Brook Reserv. [Hyde Park/West ... E. F. Williams 1896-8-23
NEBC: 00375299 Asclepias exaltata Linnaeus USA: Massachusetts Milton: Randolph Ave., Blue Hills Reserv. E. F. Williams 1895-6-30
NEBC: 00375300 Asclepias exaltata Linnaeus USA: Massachusetts Milton: Randolph Ave., Blue Hills Reserv. E. F. Williams 1895-6-30
NEBC: 01035751 Asclepias exaltata Linnaeus USA: Massachusetts Lincoln: Lincoln E. F. Williams 1896-8-29
GH: 00572667 Asclepias incarnata Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-7
GH: 00572692 Asclepias incarnata Linnaeus USA: Vermont Weybridge: Weybridge E. F. Williams 1908-7-8
GH: 00572694 Asclepias incarnata Linnaeus USA: Vermont Norwich: Norwich E. F. Williams 1910-7-11
GH: 00993398 Asclepias incarnata pulchra (Ehrhart ex Willdenow) Woodson USA: New York Scarsdale E. F. Williams 1906-8-11
NEBC: 00572794 Asclepias incarnata pulchra (Ehrhart ex Willdenow) Woodson USA: New Hampshire East Jaffrey E. F. Williams 1901-9-2
NEBC: 00572861 Asclepias incarnata pulchra (Ehrhart ex Willdenow) Woodson USA: Massachusetts Sharon: Sharon E. F. Williams 1896-7-12
GH: 00572880 Asclepias incarnata pulchra (Ehrhart ex Willdenow) Woodson USA: Massachusetts Barnstable Town E. F. Williams 1896-7-5
GH: 00572930 Asclepias incarnata pulchra (Ehrhart ex Willdenow) Woodson USA: Rhode Island Rumford E. F. Williams 1903-9-6
GH: 00443413 Asclepias incarnata pulchra (Ehrhart ex Willdenow) Persoon USA: Massachusetts Milton: Pine tree pool, Blue Hills Reserv. E. F. Williams 1895-9-2
NEBC: 00375259 Asclepias phytolaccoides G. F. Lyon ex Pursh USA: Massachusetts Boston: Stony Brook Reserv. [Hyde Park/West ... E. F. Williams 1896-8-23
NEBC: 00375299 Asclepias phytolaccoides G. F. Lyon ex Pursh USA: Massachusetts Milton: Randolph Ave., Blue Hills Reserv. E. F. Williams 1895-6-30
NEBC: 00375300 Asclepias phytolaccoides G. F. Lyon ex Pursh USA: Massachusetts Milton: Randolph Ave., Blue Hills Reserv. E. F. Williams 1895-6-30
NEBC: 00750178 Asclepias purpurascens Linnaeus USA: Massachusetts Revere: Revere E. F. Williams 1896-8-30
GH: 00750185 Asclepias purpurascens Linnaeus USA: Massachusetts Milton: Milton E. F. Williams 1895-9-2
NEBC: 00375271 Asclepias quadrifolia Jacquin USA: Massachusetts Milton: Wild Cat notch, Blue Hills Reserv. E. F. Williams 1895-6-9
NEBC: 00375307 Asclepias quadrifolia Jacquin USA: Massachusetts Blue Hills Reservn. E. F. Williams 1895-7-9
NEBC: 00375276 Asclepias syriaca Linnaeus USA: Massachusetts Boston: Stony Brook Reservation [Hyde Park/W... E. F. Williams 1896-9-13
GH: 00375308 Asclepias syriaca Linnaeus USA: Massachusetts Milton: Hillside St., Blue Hills Reserv. E. F. Williams 1895-6-30
GH: 01036658 Asclepias verticillata Linnaeus USA: Massachusetts Winchester: Winchester, Horn Pond Mt. E. F. Williams 1897-8-21
NEBC: 01036659 Asclepias verticillata Linnaeus USA: Massachusetts Winchester: Winchester, Horn Pond Mt. E. F. Williams 1897-8-21
GH: 01036666 Asclepias verticillata Linnaeus USA: Massachusetts Boston: West Roxbury E. F. Williams 1896-9-13
Asparagaceae GH: 00567426 Asparagus officinalis Linnaeus USA: New Hampshire Walpole: Walpole E. F. Williams 1901-7-28
GH: 00567437 Asparagus officinalis Linnaeus USA: Vermont Brandon: Brandon E. F. Williams 1908-5-23
GH: 00567459 Asparagus officinalis Linnaeus USA: Massachusetts Chestnut Hill E. F. Williams 1 1895-5-30
GH: 00567498 Asparagus officinalis Linnaeus USA: Massachusetts Ded' E. F. Williams 2 1897-8-22
NEBC: 00567467 Asparagus officinalis Linnaeus USA: Massachusetts Readville E. F. Williams 1895-6-9
NEBC: 00567506 Asparagus officinalis Linnaeus USA: Massachusetts Dedham: Dedham E. F. Williams 1895-9-7
GH: 00567460 Asparagus officinalis Linnaeus USA: Massachusetts Dedham: Dedham E. F. Williams 1895-11-10
GH: 00567535 Asparagus officinalis Linnaeus USA: Rhode Island Wickford E. F. Williams 1908-6-17
Aspidiaceae NEBC: 00348033 Aspidium cristatum clintonianum D. C. Eaton USA: Massachusetts Middlesex Fells Reserv. E. F. Williams 1895-10-20
NEBC: 00342660 Aspidium simulatum Davenport USA: Massachusetts Quincy: Cedar swamp, Blue Hills Reservat. E. F. Williams 1895-8-25
NEBC: 00627234 Polystichum acrostichoides (Michaux) Schott USA: New Hampshire Fitzwilliam: Fitzwilliam E. F. Williams 1894-6-18
GH: 00627241 Polystichum acrostichoides (Michaux) Schott USA: New Hampshire Troy: Troy E. F. Williams 1899-5-30
GH: 00627248 Polystichum acrostichoides (Michaux) Schott USA: Vermont Willoughby E. F. Williams 1896-7-25
GH: 00634935 Polystichum acrostichoides (Michaux) Schott USA: Vermont Brandon: Brandon E. F. Williams 1 1908-5-22
NEBC: 00627682 Polystichum acrostichoides (Michaux) Schott USA: Massachusetts Westwood: Westwood E. F. Williams 1901-7-21
GH: 00695516 Polystichum acrostichoides (Michaux) Schott USA: Massachusetts Heath: Heath E. F. Williams 1909-7-17
GH: 00695562 Polystichum acrostichoides (Michaux) Schott USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2
GH: 00695585 Polystichum acrostichoides (Michaux) Schott USA: Connecticut Lyme: Lyme E. F. Williams 1905-6-17
NEBC: 00627778 Polystichum ée (Spenner) Fée USA: New Hampshire Mount Adams E. F. Williams 1894-7-11
NEBC: 00627800 Polystichum ée (Spenner) Fée USA: New Hampshire Randolph: Randolph E. F. Williams 1896-8-14
NEBC: 00627801 Polystichum ée (Spenner) Fée USA: New Hampshire Randolph: Randolph E. F. Williams 1894-7-11
Aspleniaceae NEBC: 00701033 Asplenium platyneuron (Linnaeus) Britton, Sterns & Poggenburg USA: Massachusetts Weston: Weston E. F. Williams 1894-11-18
NEBC: 00701040 Asplenium platyneuron (Linnaeus) Britton, Sterns & Poggenburg USA: Massachusetts Medfield: Medfield E. F. Williams 1894-6-23
GH: 00701083 Asplenium platyneuron (Linnaeus) Britton, Sterns & Poggenburg USA: Massachusetts Conway: Conway E. F. Williams 1909-7-19
GH: 00681640 Asplenium platyneuron (Linnaeus) Britton, Sterns & Poggenburg USA: Rhode Island North Kingstown: North Kingstown E. F. Williams 1908-6-17
GH: 00681641 Asplenium platyneuron (Linnaeus) Britton, Sterns & Poggenburg USA: Rhode Island Cumberland: Cumberland E. F. Williams 1903-9-13
NEBC: 00681644 Asplenium platyneuron (Linnaeus) Britton, Sterns & Poggenburg USA: Rhode Island Portsmouth: Portsmouth E. F. Williams 1911-6-18
NEBC: 00681656 Asplenium platyneuron (Linnaeus) Britton, Sterns & Poggenburg USA: Rhode Island Middleton E. F. Williams 1908-5-31
GH: 00681665 Asplenium platyneuron (Linnaeus) Britton, Sterns & Poggenburg USA: Connecticut Lyme: Lyme E. F. Williams 1905-6-17
GH: 02068130 Asplenium platyneuron (Linnaeus) Britton, Sterns & Poggenburg USA: New Jersey Sandy Hook [Middletown Township] E. F. Williams 1903-7-8
GH: 02068122 Asplenium platyneuron (Linnaeus) Britton, Sterns & Poggenburg USA: New Jersey Locust [Middletown Township] E. F. Williams 1900-6-17
GH: 00577799 Asplenium rhizophyllum Linnaeus USA: Vermont Brandon: Brandon E. F. Williams 1908-5-21
NEBC: 00701148 Asplenium trichomanes Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-7
NEBC: 00701157 Asplenium trichomanes Linnaeus USA: New Hampshire Peterborough: Peterborough E. F. Williams 1901-9-2
GH: 00701164 Asplenium trichomanes Linnaeus USA: Vermont Cambridge: Cambridge E. F. Williams 1897-7-5
NEBC: 00631557 Asplenium trichomanes Linnaeus USA: Massachusetts Weston: Weston E. F. Williams 1894-10-7
GH: 00631575 Asplenium trichomanes Linnaeus USA: Massachusetts Ashfield: Ashfield E. F. Williams 1909-7-19
GH: 00631574 Asplenium trichomanes Linnaeus USA: Massachusetts Colrain: Colrain E. F. Williams 1909-8-4
NEBC: 00668040 Asplenium viride Hudson USA: Vermont Cambridge: Cambridge E. F. Williams 1897-7-8
NEBC: 00668043 Asplenium viride Hudson USA: Vermont Cambridge: Cambridge E. F. Williams 1897-7-5
Asteraceae NEBC: 00359711 Achillea millefolium Linnaeus USA: Massachusetts Milton: Hillside St., Blue Hills Reserv. E. F. Williams 1895-6-30
GH: 00566721 Achillea millefolium Linnaeus USA: Maine Van Buren: Van Buren E. F. Williams 1901-8-14
GH: 00566750 Achillea millefolium Linnaeus USA: Maine Mount Desert Island: Mount Desert Island E. F. Williams 1897-7-12
GH: 00566840 Achillea millefolium Linnaeus USA: New Hampshire Mount Washington E. F. Williams 1895-7-15
GH: 00566841 Achillea millefolium Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-24
NEBC: 00566854 Achillea millefolium Linnaeus USA: New Hampshire Mount Washington E. F. Williams 1901-8-6
GH: 00566881 Achillea millefolium Linnaeus USA: New Hampshire Hampton: Hampton E. F. Williams 1902-8-31
NEBC: 00566916 Achillea millefolium Linnaeus USA: Vermont Ripton: Ripton E. F. Williams 1908-7-4
GH: 00566917 Achillea millefolium Linnaeus USA: Vermont Ripton: Ripton E. F. Williams 1908-7-11
GH: 00566924 Achillea millefolium Linnaeus USA: Vermont Wallingford: Wallingford E. F. Williams 1908-5-25
GH: 00531082 Achillea millefolium Linnaeus USA: Massachusetts Bourne: Bourne E. F. Williams 1898-8-21
NEBC: 00531151 Achillea millefolium Linnaeus USA: Rhode Island Tiverton: Tiverton E. F. Williams 1903-9-27
GH: 00531153 Achillea millefolium Linnaeus USA: Rhode Island Rumford E. F. Williams 1903-9-6
GH: 00753164 Ageratina altissima (Linnaeus) R. M. King & H. Robinson USA: Maine Fort Kent: Fort Kent E. F. Williams 1900-8-1
GH: 00753198 Ageratina altissima (Linnaeus) R. M. King & H. Robinson USA: New Hampshire Crawford E. F. Williams 1895-7-16
GH: 00753224 Ageratina altissima (Linnaeus) R. M. King & H. Robinson USA: New Hampshire Mount Moosilauke E. F. Williams 1908-8-3
NEBC: 00753232 Ageratina altissima (Linnaeus) R. M. King & H. Robinson USA: New Hampshire Mount Monadnock E. F. Williams 1901-9-2
GH: 00753297 Ageratina altissima (Linnaeus) R. M. King & H. Robinson USA: Massachusetts Boxford: Boxford E. F. Williams 1906-8-16
NEBC: 00753305 Ageratina altissima (Linnaeus) R. M. King & H. Robinson USA: Massachusetts Topsfield: Topsfield E. F. Williams 1903-8-23
NEBC: 00359322 Ageratina aromatica (Linnaeus) Spach USA: Massachusetts Blue Hill [Blue Hills Reservation] E. F. Williams 1895-9-22
NEBC: 00359776 Ageratina aromatica (Linnaeus) Spach USA: Massachusetts Boston: Stony Brook Reservation [Hyde Park/W... E. F. Williams 1896-8-23
GH: 00359781 Ageratina aromatica (Linnaeus) Spach USA: Massachusetts Milton: Blue Hill [Blue Hills Reservation] E. F. Williams 1895-9-22
GH: 00734592 Ageratina aromatica (Linnaeus) Spach USA: Massachusetts Boston: West Roxbury E. F. Williams 1896-8-23
GH: 01023984 Ambrosia artemisiifolia Linnaeus USA: Maine Phillips: Phillips E. F. Williams 1903-8-4
GH: 01066628 Ambrosia artemisiifolia Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1908-7-21
NEBC: 01037224 Ambrosia artemisiifolia Linnaeus USA: Massachusetts Manchester: Manchester E. F. Williams 1895-8-18
GH: 01066662 Ambrosia artemisiifolia Linnaeus USA: Vermont Ripton: Ripton E. F. Williams 1908-7-17
NEBC: 01066663 Ambrosia artemisiifolia Linnaeus USA: Vermont Ripton: Ripton E. F. Williams 1908-7-17
GH: 01066669 Ambrosia artemisiifolia Linnaeus USA: Vermont Salisbury: Salisbury E. F. Williams 1908-7-14
NEBC: 01037254 Ambrosia artemisiifolia Linnaeus USA: Massachusetts Concord: Concord E. F. Williams 1908-8-29
GH: 01037255 Ambrosia artemisiifolia Linnaeus USA: Massachusetts Lincoln: Lexington, near Mt. Tabor [Mt. Tabo... E. F. Williams 1897-9-19
NEBC: 01037283 Ambrosia artemisiifolia Linnaeus USA: Massachusetts Norwood: Norwood E. F. Williams 1895-9-15
GH: 01066676 Ambrosia artemisiifolia Linnaeus USA: Rhode Island Rumford E. F. Williams 1 1903-9-6
GH: 01066677 Ambrosia artemisiifolia Linnaeus USA: Rhode Island Middletown: Middletown E. F. Williams 1908-9-12
GH: 01066680 Ambrosia artemisiifolia Linnaeus USA: Rhode Island Newport: Newport E. F. Williams 1908-9-12
NEBC: 00566546 Ambrosia trifida Linnaeus USA: Massachusetts Cambridge: Cambridge E. F. Williams 1911-7-1
NEBC: 00566548 Ambrosia trifida Linnaeus USA: Massachusetts Cambridge: Cambridge E. F. Williams 1911-7-1
GH: 00566564 Ambrosia trifida Linnaeus USA: Massachusetts Dedham: Dedham E. F. Williams 1897-6-27
GH: 01066019 Anaphalis margaritacea (Linnaeus) Bentham & Hooker f. USA: Maine Rangeley: Rangeley E. F. Williams 1903-8-3
GH: 01065166 Anaphalis margaritacea (Linnaeus) Bentham & Hooker f. USA: New Hampshire Randolph: Randolph E. F. Williams 1895-8-3
GH: 01007012 Anaphalis margaritacea (Linnaeus) Bentham & Hooker f. USA: New Hampshire Mount Washington E. F. Williams 1897-8-8
NEBC: 01007014 Anaphalis margaritacea (Linnaeus) Bentham & Hooker f. USA: New Hampshire Mount Washington E. F. Williams 1897-8-8
GH: 01007069 Anaphalis margaritacea (Linnaeus) Bentham & Hooker f. USA: Vermont Hancock: Hancock E. F. Williams 1908-7-7
GH: 01007104 Anaphalis margaritacea (Linnaeus) Bentham & Hooker f. USA: Massachusetts Weston: Weston E. F. Williams 1895-9-29
GH: 01065168 Anaphalis margaritacea (Linnaeus) Bentham & Hooker f. USA: Rhode Island Cumberland: Cumberland E. F. Williams 1903-9-13
GH: 01065205 Anaphalis margaritacea (Linnaeus) Bentham & Hooker f. USA: Connecticut Canaan: Canaan E. F. Williams 1341 1897-10-3
NEBC: 01066089 Antennaria howellii canadensis (Greene) Bayer USA: New Hampshire Crawford E. F. Williams 1898-7-1
GH: 01065314 Antennaria howellii canadensis (Greene) Bayer USA: Vermont Willoughby E. F. Williams 1898-6-10
NEBC: 01007307 Antennaria howellii canadensis (Greene) Bayer USA: Massachusetts Wilmington: Wilmington E. F. Williams 2 1899-5-14
NEBC: 01007330 Antennaria howellii canadensis (Greene) Bayer USA: Massachusetts Wellesley: Wellesley E. F. Williams 1898-5-22
GH: 01007410 Antennaria howellii neodioica (Greene) Bayer USA: Maine Fort Kent: Fort Kent E. F. Williams 1900-7-22
NEBC: 01053054 Antennaria howellii neodioica (Greene) Bayer USA: Maine Mount Desert Island E. F. Williams 1897-7-14
NEBC: 01053102 Antennaria howellii neodioica (Greene) Bayer USA: New Hampshire Carroll: Carroll E. F. Williams 1 1898-6-20
NEBC: 01053123 Antennaria howellii neodioica (Greene) Bayer USA: New Hampshire Hart's Location: Hart's Location E. F. Williams 1898-7-3
NEBC: 01065504 Antennaria howellii neodioica (Greene) Bayer USA: Vermont Willoughby E. F. Williams 1898-6-9
GH: 01065565 Antennaria howellii neodioica (Greene) Bayer USA: Vermont Willoughby E. F. Williams 1 1898-6-9
NEBC: 01065601 Antennaria howellii neodioica (Greene) Bayer USA: Massachusetts Wilmington: Wilmington E. F. Williams 2 1899-5-14
NEBC: 01065605 Antennaria howellii neodioica (Greene) Bayer USA: Massachusetts Norwood: Norwood E. F. Williams 1895-5-19
NEBC: 01065608 Antennaria howellii neodioica (Greene) Bayer USA: Massachusetts Wellesley: Wellesley E. F. Williams 1898-5-22
NEBC: 01065609 Antennaria howellii neodioica (Greene) Bayer USA: Massachusetts Wellesley: Wellesley E. F. Williams 1 1898-5-22
NEBC: 01007642 Antennaria howellii neodioica (Greene) Bayer USA: Connecticut Manchester: Manchester E. F. Williams 1902
NEBC: 01007874 Antennaria neglecta Greene USA: Massachusetts Wilmington: Wilmington E. F. Williams 1 1899-5-14
GH: 01007881 Antennaria neglecta Greene USA: Massachusetts Dedham: Dedham E. F. Williams 1895-4-28
NEBC: 01007892 Antennaria neglecta Greene USA: Massachusetts Wellesley: Wellesley E. F. Williams 1898-5-22
GH: 01065740 Antennaria parlinii Fernald USA: Massachusetts Burlington: Burlington E. F. Williams 1 1899-5-14
NEBC: 01065741 Antennaria parlinii Fernald USA: Massachusetts Burlington: Burlington E. F. Williams 1899-5-14
GH: 01053644 Antennaria parlinii fallax (Greene) Bayer & Stebbins USA: New Hampshire Carroll: Carroll E. F. Williams 1898-6-20
GH: 01065861 Antennaria parlinii fallax (Greene) Bayer & Stebbins USA: Vermont Willoughby E. F. Williams 1898-6-10
NEBC: 01065863 Antennaria parlinii fallax (Greene) Bayer & Stebbins USA: Vermont Willoughby E. F. Williams 1898-6-10
GH: 01053682 Antennaria parlinii fallax (Greene) Bayer & Stebbins USA: Massachusetts Burlington: Burlington E. F. Williams 1899-5-14
NEBC: 01053685 Antennaria parlinii fallax (Greene) Bayer & Stebbins USA: Massachusetts Sudbury: Sudbury E. F. Williams 1900-5-30
NEBC: 01053686 Antennaria parlinii fallax (Greene) Bayer & Stebbins USA: Massachusetts Natick: Natick E. F. Williams 1 1900-5-20
GH: 01053689 Antennaria parlinii fallax (Greene) Bayer & Stebbins USA: Massachusetts Reading: Reading E. F. Williams 1898-6-5
NEBC: 01053699 Antennaria parlinii fallax (Greene) Bayer & Stebbins USA: Massachusetts Wilmington: Wilmington E. F. Williams 1899-5-14
GH: 01053706 Antennaria parlinii fallax (Greene) Bayer & Stebbins USA: Massachusetts Holbrook: Holbrook E. F. Williams 1902-5-30
NEBC: 00443254 Antennaria plantaginea petiolata Fernald USA: Massachusetts Milton: Blue Hills Reserv. Wildcat Notch E. F. Williams 1899-5-21
NEBC: 00443254 Antennaria plantaginifolia (Linnaeus) Hooker USA: Massachusetts Milton: Blue Hills Reserv. Wildcat Notch E. F. Williams 1899-5-21
NEBC: 01037036 Antennaria plantaginifolia (Linnaeus) Hooker USA: New Hampshire Troy: Troy E. F. Williams 2 1899-5-30
NEBC: 01037037 Antennaria plantaginifolia (Linnaeus) Hooker USA: New Hampshire Fitzwilliam: Fitzwilliam E. F. Williams 1 1898-5-30
NEBC: 01023054 Antennaria plantaginifolia (Linnaeus) Hooker USA: Massachusetts Weston: Weston E. F. Williams 1898-5-22
NEBC: 01023055 Antennaria plantaginifolia (Linnaeus) Hooker USA: Massachusetts Wilmington: Wilmington E. F. Williams 1899-5-14
NEBC: 01023060 Antennaria plantaginifolia (Linnaeus) Hooker USA: Massachusetts Canton: Canton E. F. Williams 1895-5-5
NEBC: 01053463 Antennaria plantaginifolia (Linnaeus) Hooker USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-22
NEBC: 01053347 Antennaria plantaginifolia (Linnaeus) Hooker USA: Rhode Island Clayville E. F. Williams 1907-5-25
GH: 00531269 Anthemis arvensis Linnaeus USA: Massachusetts Milton: Milton E. F. Williams 1901-7-4
NEBC: 00531301 Anthemis cotula Linnaeus USA: Maine Fort Fairfield: Fort Fairfield E. F. Williams 1901-8-16
GH: 00531347 Anthemis cotula Linnaeus USA: Maine Portland: Portland E. F. Williams 1897-7-20
GH: 00531359 Anthemis cotula Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 1896-8-1
GH: 00531369 Anthemis cotula Linnaeus USA: New Hampshire Newcastle E. F. Williams 1901-9-19
GH: 00531385 Anthemis cotula Linnaeus USA: Vermont Middlebury: MIddlebury E. F. Williams 1908-7-8
NEBC: 00531425 Anthemis cotula Linnaeus USA: Massachusetts Milton: Milton E. F. Williams 1895-8-11
NEBC: 00531477 Anthemis cotula Linnaeus USA: Rhode Island Tiverton: Tiverton E. F. Williams 1903-9-17
GH: 00566167 Arctium lappa Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1908-7-24
GH: 00566168 Arctium lappa Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-13
GH: 00566177 Arctium lappa Linnaeus USA: Vermont Westmore: Westmore E. F. Williams 1896-7-18
NEBC: 00566179 Arctium lappa Linnaeus USA: Vermont Westmore: Westmore E. F. Williams 1896-7-26
GH: 00587127 Arctium lappa Linnaeus USA: Vermont Hancock: Hancock E. F. Williams 1908-7-18
GH: 00587129 Arctium lappa Linnaeus USA: Vermont Ripton: Ripton E. F. Williams 1908-7-14
GH: 00587140 Arctium lappa Linnaeus USA: Massachusetts Waltham: Waltham, near Stony Brook station E. F. Williams 1895-10-6
GH: 00587147 Arctium lappa Linnaeus USA: Massachusetts Boston: Boston, Parker St. E. F. Williams 1898-8-11
NEBC: 00587148 Arctium lappa Linnaeus USA: Massachusetts Boston: Boston E. F. Williams 1898-8-11
GH: 00566194 Arctium lappa Linnaeus USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2
GH: 00566207 Arctium minus (Hill) Bernhardi USA: Maine Fort Kent: Fort Kent E. F. Williams 1901-8-12
GH: 00566264 Arctium minus (Hill) Bernhardi USA: Massachusetts Manchester: Manchester E. F. Williams 1895-8-18
GH: 00566265 Arctium minus (Hill) Bernhardi USA: Massachusetts Burlington: Burlington E. F. Williams 1898-11-20
NEBC: 00587229 Arctium minus (Hill) Bernhardi USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-29
GH: 00566305 Arctium minus (Hill) Bernhardi USA: Rhode Island Newport: Newport E. F. Williams 1908-9-12
GH: 00725484 Arnica lanceolata Nuttall USA: New Hampshire Thompson and Meserves E. F. Williams 1&2 1893-7-13
GH: 00725486 Arnica lanceolata Nuttall USA: New Hampshire Thompson and Meserves E. F. Williams 3&4 1893-7-30
NEBC: 00725497 Arnica lanceolata Nuttall USA: New Hampshire Mount Washington E. F. Williams 1896-8-8
NEBC: 00725498 Arnica lanceolata Nuttall USA: New Hampshire Mount Washington E. F. Williams 1893-7-13
NEBC: 00725499 Arnica lanceolata Nuttall USA: New Hampshire Mount Washington E. F. Williams 1895-7-11
NEBC: 00725503 Arnica lanceolata Nuttall USA: New Hampshire Mount Washington E. F. Williams 1895-7-11
GH: 00531510 Artemisia absinthium Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-17
GH: 00531511 Artemisia absinthium Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1910-7-23
GH: 00531517 Artemisia absinthium Linnaeus USA: Vermont Ripton: Ripton E. F. Williams 1908-7-14
GH: 00531540 Artemisia absinthium Linnaeus USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-29
NEBC: 00531541 Artemisia absinthium Linnaeus USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-29
GH: 00531616 Artemisia biennis Willdenow USA: Massachusetts Boston: Boston, Massachusetts Ave. E. F. Williams 1895-9-25
NEBC: 00725674 Artemisia campestris caudata (Michaux) H. M. Hall & Clements USA: Rhode Island Tiverton: Tiverton E. F. Williams 1903-9-27
NEBC: 00725603 Artemisia campestris caudata (Michaux) H. M. Hall & Clements USA: New Hampshire Hampton: Hampton E. F. Williams 2 1902-8-31
NEBC: 00725604 Artemisia campestris caudata (Michaux) H. M. Hall & Clements USA: New Hampshire Hampton Falls: Hampton Falls E. F. Williams 1 1901-9-22
NEBC: 00725619 Artemisia campestris caudata (Michaux) H. M. Hall & Clements USA: Massachusetts Rockport: Rockport E. F. Williams 2 1898-8-14
NEBC: 00725626 Artemisia campestris caudata (Michaux) H. M. Hall & Clements USA: Massachusetts Revere: Revere E. F. Williams 1 1896-8-22
GH: 00725632 Artemisia campestris caudata (Michaux) H. M. Hall & Clements USA: Massachusetts Marshfield: Marshfield E. F. Williams 1895-10-12
NEBC: 00725588 Artemisia campestris canadensis (Michaux) Scoggan USA: Vermont Sutton: Sutton E. F. Williams 1894-7-25
GH: 00531647 Artemisia ludoviciana Nuttall USA: Massachusetts Newbury: Newbury E. F. Williams 1899-8-7
GH: 00531648 Artemisia ludoviciana Nuttall USA: Massachusetts Newbury: Newbury E. F. Williams 1899-8-7
GH: 00531649 Artemisia ludoviciana Nuttall USA: Massachusetts Newbury: Newbury E. F. Williams 1899-8-7
NEBC: 00531650 Artemisia ludoviciana Nuttall USA: Massachusetts Newbury: Newbury E. F. Williams 1899-8-7
NEBC: 00531651 Artemisia ludoviciana Nuttall USA: Massachusetts Newbury: Newbury E. F. Williams 1899-8-7
NEBC: 00531652 Artemisia ludoviciana Nuttall USA: Massachusetts Newbury: Newbury E. F. Williams 1899-8-7
NEBC: 00531676 Artemisia pontica Linnaeus USA: Maine Portland: Portland E. F. Williams 1910-8-3
NEBC: 00531681 Artemisia pontica Linnaeus USA: New Hampshire Walpole: Walpole E. F. Williams 1901-7-28
NEBC: 00531686 Artemisia pontica Linnaeus USA: Massachusetts Tewksbury: near Tewksbury E. F. Williams 1 1899-9-24
GH: 00531687 Artemisia pontica Linnaeus USA: Massachusetts Tewksbury: Tewksbury E. F. Williams 1899-9-24
NEBC: 00531688 Artemisia pontica Linnaeus USA: Massachusetts Tewksbury: Tewksbury E. F. Williams 1901-6-23
GH: 00531736 Artemisia stelleriana Besser USA: Massachusetts Scituate: Scituate E. F. Williams 2 1898-7-10
GH: 00531737 Artemisia stelleriana Besser USA: Massachusetts Nahant: Nahant E. F. Williams 1 1894-9-16
NEBC: 00531751 Artemisia stelleriana Besser USA: Massachusetts Falmouth: Falmouth E. F. Williams 1911-7-5
NEBC: 00531783 Artemisia stelleriana Besser USA: Rhode Island Middletown: Middletown E. F. Williams 1908-5-30
GH: 00531795 Artemisia stelleriana Besser USA: Rhode Island Middletown: Middletown E. F. Williams 1909-7-4
NEBC: 00531830 Artemisia vulgaris Linnaeus USA: Maine York: York E. F. Williams 1898-7-24
GH: 00531840 Artemisia vulgaris Linnaeus USA: New Hampshire Gorham: Gorham E. F. Williams 1 1903-7-28
GH: 00531844 Artemisia vulgaris Linnaeus USA: New Hampshire Northumberland: Northumberland E. F. Williams 1906-7-29
GH: 00531850 Artemisia vulgaris Linnaeus USA: New Hampshire Stratford: Stratford E. F. Williams 1906-7-28
NEBC: 00531855 Artemisia vulgaris Linnaeus USA: Vermont Westmore: Westmore E. F. Williams 1896-7-26
GH: 00531858 Artemisia vulgaris Linnaeus USA: Vermont Willoughby E. F. Williams 1896-7-26
GH: 00531879 Artemisia vulgaris Linnaeus USA: Massachusetts Newburyport: Newburyport E. F. Williams 1898-7-31
GH: 00531895 Artemisia vulgaris Linnaeus USA: Massachusetts Westford: Westford E. F. Williams
GH: 00002822 Aster acuminatus Michaux USA: Massachusetts Lincoln: E. F. Williams 1902-10-5
GH: 00002822 Aster acuminatus subverticillatus Fernald USA: Massachusetts Lincoln: E. F. Williams 1902-10-5
NEBC: 00359818 Aster corymbosus Aiton USA: Massachusetts Boston: Stony Brook Reserv. [Hyde Park/West ... E. F. Williams 1896-9-13
GH: 00359421 Aster diffusus Aiton USA: Massachusetts Quincy: near Babel rock, Blue Hills Reservat... E. F. Williams 1895-9-2
NEBC: 00359818 Aster divaricatus Linnaeus USA: Massachusetts Boston: Stony Brook Reserv. [Hyde Park/West ... E. F. Williams 1896-9-13
GH: 00359823 Aster dumosus Linnaeus USA: Massachusetts Canton: Base of Big Blue Hill on Blue Hill A... E. F. Williams 1893-10-1
NEBC: 00359934 Aster dumosus Linnaeus USA: Massachusetts Blue Hills Reservation, near Gardner's Swamp E. F. Williams 1894-9-23
GH: 00359823 Aster dumosus strictior Torrey & A. Gray USA: Massachusetts Canton: Base of Big Blue Hill on Blue Hill A... E. F. Williams 1893-10-1
NEBC: 00359836 Aster herveyi A. Gray USA: Massachusetts path up Big Blue Hill, Blue Hills Reservatio... E. F. Williams 1893-10-1
GH: 00872219 Aster junceus Aiton USA: Maine Crystal: Caribou bog. Crystal E. F. Williams 1901-8-19
GH: 00359421 Aster lateriflorus (Linnaeus) Britton USA: Massachusetts Quincy: near Babel rock, Blue Hills Reservat... E. F. Williams 1895-9-2
GH: 01021456 Aster lateriflorus (Linnaeus) Britton USA: Massachusetts Lexington: Lexington E. F. Williams 1893-10-15
GH: 00359421 Aster lateriflorus pendulus (Aiton) E. S. Burgess USA: Massachusetts Quincy: near Babel rock, Blue Hills Reservat... E. F. Williams 1895-9-2
NEBC: 00359436 Aster linariifolius Linnaeus USA: Massachusetts Blue Hills Reserv. Near Gardners Swamp E. F. Williams 1894-9-23
GH: 00443513 Aster macrophyllus Linnaeus USA: Massachusetts Blue Hills Reservation E. F. Williams 1895-8-25
NEBC: 00359441 Aster nemoralis Aiton USA: Massachusetts Blue Hills Reservn. E. F. Williams 1895-9-22
GH: 00359875 Aster nemoralis Aiton USA: Massachusetts Milton: Houghtons Pond, Blue Hills Reservati... E. F. Williams 1895-9-22
NEBC: 00359442 Aster novae-angliae Linnaeus USA: Massachusetts Canton: Western Base Big Blue Hill [Blue Hil... E. F. Williams 1893-10-1
GH: 00834741 Aster puniceus compactus Fernald USA: Massachusetts Weston: Weston, near Stony Brook Depot E. F. Williams 1895-10-6
NEBC: 00359934 Aster sp. USA: Massachusetts Blue Hills Reservation, near Gardner's Swamp E. F. Williams 1894-9-23
GH: 00834741 Aster sp. USA: Massachusetts Weston: Weston, near Stony Brook Depot E. F. Williams 1895-10-6
GH: 01021498 Aster sp. USA: Massachusetts Wayland: Wayland E. F. Williams 1893-9-10
GH: 01021464 Aster sp. USA: Massachusetts Newton: Newtonville E. F. Williams 1893-9-18
NEBC: 00359479 Aster spectabilis Aiton USA: Massachusetts Quincy: Near Rattlesnake Hill, Blue Hills Re... E. F. Williams 1895-8-25
NEBC: 00359934 Aster vimineus Lamarck USA: Massachusetts Blue Hills Reservation, near Gardner's Swamp E. F. Williams 1894-9-23
NEBC: 01021558 Baccharis halimifolia Linnaeus USA: Massachusetts Nantucket: Nantucket E. F. Williams
NEBC: 01021559 Baccharis halimifolia Linnaeus USA: Massachusetts Nantucket: Nantucket E. F. Williams
GH: 01021564 Baccharis halimifolia Linnaeus USA: Massachusetts Boston: Boston, in Back Bay lands E. F. Williams 1910-9-17
GH: 02214313 Baccharis halimifolia Linnaeus USA: New Jersey Locust: [data not captured] E. F. Williams 1 1900-9-2
NEBC: 00735323 Balsamita major Desfontaines USA: New Hampshire Warren: Warren E. F. Williams 1913-7-14
NEBC: 00735342 Balsamita major Desfontaines USA: Rhode Island Cumberland: Cumberland E. F. Williams 1903-9-13
NEBC: 01038129 Bidens Linnaeus USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-23
NEBC: 01066708 Bidens beckii Torrey USA: Maine Chesterville: Chesterville E. F. Williams 1902-8-19
GH: 01066777 Bidens beckii Torrey USA: Massachusetts Concord: Concord, Sudbury river E. F. Williams 1908-8-16
GH: 01066778 Bidens beckii Torrey USA: Massachusetts Concord: Concord, Sudbury river E. F. Williams 1908-9-5
GH: 00566626 Bidens bipinnata Linnaeus USA: Massachusetts Dedham: Dedham E. F. Williams 1898-10-2
GH: 00566633 Bidens bipinnata Linnaeus USA: Connecticut Bridgeport: Bridgeport E. F. Williams 1 1897-9-1
GH: 01066825 Bidens cernua Linnaeus USA: Maine Fort Fairfield: Fort Fairfield E. F. Williams 1 1901-8-18
GH: 01066826 Bidens cernua Linnaeus USA: Maine Fort Kent: Fort Kent E. F. Williams 1 1901-8-12
NEBC: 01066861 Bidens cernua Linnaeus USA: Maine Southwest Harbor: Southwest Harbor E. F. Williams 1908-7-20
GH: 01037332 Bidens cernua Linnaeus USA: Massachusetts Andover: Andover E. F. Williams 1899-9-24
NEBC: 01037349 Bidens cernua Linnaeus USA: Massachusetts Concord: Concord E. F. Williams 1899-9-17
GH: 01037350 Bidens cernua Linnaeus USA: Massachusetts Concord: Concord E. F. Williams 1899-9-17
GH: 01037351 Bidens cernua Linnaeus USA: Massachusetts Concord: Concord E. F. Williams 1899-9-17
NEBC: 01037352 Bidens cernua Linnaeus USA: Massachusetts Concord: Concord, banks of Concord river E. F. Williams 1896-9-20
NEBC: 01037355 Bidens cernua Linnaeus USA: Massachusetts Lincoln: Lexington, near Mt. Tabor [Mt. Tabo... E. F. Williams 1897-9-19
NEBC: 01037362 Bidens cernua Linnaeus USA: Massachusetts Tewksbury: Tewksbury E. F. Williams 1899-9-24
NEBC: 00359703 Bidens connata Muhlenberg ex Willdenow USA: Massachusetts Quincy: W. of Dome, Blue Hills [Reservation] E. F. Williams 1895-9-2
NEBC: 00359704 Bidens connata Muhlenberg ex Willdenow USA: Massachusetts Quincy: W. of Dome, Blue Hills [Reservation] E. F. Williams 1895-9-2
GH: 01037464 Bidens connata Muhlenberg ex Willdenow USA: Maine East Livermore E. F. Williams 1900-9-1
GH: 01037508 Bidens connata Muhlenberg ex Willdenow USA: Massachusetts Andover: Andover E. F. Williams 1899-9-24
NEBC: 01037510 Bidens connata Muhlenberg ex Willdenow USA: Massachusetts Andover: Andover E. F. Williams 1899-9-24
GH: 01037525 Bidens connata Muhlenberg ex Willdenow USA: Massachusetts Cambridge: West Cambridge E. F. Williams 1894-9-29
GH: 01037530 Bidens connata Muhlenberg ex Willdenow USA: Massachusetts Concord: Concord E. F. Williams 1899-9-17
GH: 01037531 Bidens connata Muhlenberg ex Willdenow USA: Massachusetts Concord: Concord E. F. Williams 1899-9-17
GH: 01037543 Bidens connata Muhlenberg ex Willdenow USA: Massachusetts Weston: Weston E. F. Williams 1895-9-29
GH: 01037562 Bidens connata Muhlenberg ex Willdenow USA: Massachusetts Sharon: Sharon E. F. Williams 1899-9-10
GH: 01037640 Bidens connata Muhlenberg ex Willdenow USA: Rhode Island Cumberland: Cumberland E. F. Williams 1903-9-13
GH: 01037648 Bidens connata Muhlenberg ex Willdenow USA: Rhode Island Middletown: Middletown E. F. Williams 1908-9-13
NEBC: 00359704 Bidens connata petiolata (Nuttall) Farwell USA: Massachusetts Quincy: W. of Dome, Blue Hills [Reservation] E. F. Williams 1895-9-2
NEBC: 01038175 Bidens discoidea (Torrey & A. Gray) Britton USA: Massachusetts Boston: Hyde Park, Neponset marshes, Readvil... E. F. Williams 1900-9-23
GH: 01038179 Bidens discoidea (Torrey & A. Gray) Britton USA: Massachusetts Milton: Milton E. F. Williams 3 1900-9-23
NEBC: 01037674 Bidens frondosa Linnaeus USA: Maine Rangeley: Rangeley E. F. Williams 1903-8-4
GH: 01037757 Bidens frondosa Linnaeus USA: New Hampshire Franconia: The Flume E. F. Williams 1908-8-6
GH: 01037760 Bidens frondosa Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1 1908-7-27
GH: 01037791 Bidens frondosa Linnaeus USA: Vermont Montpelier: Montpelier E. F. Williams 1908-7-21
GH: 01037800 Bidens frondosa Linnaeus USA: Massachusetts Andover: Andover E. F. Williams 1899-9-24
NEBC: 01037822 Bidens frondosa Linnaeus USA: Massachusetts Woburn: Woburn, Shaker Glen E. F. Williams 1895-9-1
GH: 01028002 Bidens frondosa Linnaeus USA: Massachusetts Canton: Canton E. F. Williams 1900-9-23
NEBC: 01038275 Bidens frondosa Linnaeus USA: Rhode Island Cumberland: Cumberland E. F. Williams 1903-9-13
NEBC: 01038277 Bidens frondosa Linnaeus USA: Rhode Island Freetown E. F. Williams 1903-9-27
GH: 01037828 Bidens laevis (Linnaeus) Britton, Stearn & Poggenburg USA: Massachusetts Rowley: Rowley E. F. Williams 1906-9-3
NEBC: 01037847 Bidens laevis (Linnaeus) Britton, Stearn & Poggenburg USA: Massachusetts Dedham: Dedham E. F. Williams 1895-9-8
GH: 01037928 Bidens trichosperma (Michaux) Britton USA: Massachusetts Boston: Neponset Marshes, Readville [Hyde Pa... E. F. Williams 1900-9-23
NEBC: 01037930 Bidens trichosperma (Michaux) Britton USA: Massachusetts Canton: Canton E. F. Williams 1893-10-1
NEBC: 01037934 Bidens trichosperma (Michaux) Britton USA: Massachusetts Dedham: Dedham E. F. Williams 1895-9-8
GH: 01038081 Bidens vulgata Greene USA: Massachusetts Sharon: Sharon E. F. Williams 1899-9-10
NEBC: 01038098 Bidens vulgata Greene USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2
GH: 00531038 Centaurea nigra Linnaeus USA: Massachusetts Boxford: Boxford E. F. Williams 1899-8-8
NEBC: 00531066 Centaurea nigra Linnaeus USA: Massachusetts Winchester: Winchester E. F. Williams 1896-10-11
GH: 00566321 Centaurea nigra Linnaeus USA: Massachusetts Revere: Revere E. F. Williams 1894-8-19
GH: 00566353 Centaurea nigra Linnaeus USA: Rhode Island Middleton E. F. Williams 1909-7-3
GH: 02172673 Centaurea stoebe micranthos (Gugler) Hayek USA: New Jersey [data not captured] E. F. Williams 1900-9-1
NEBC: 00705274 Chrysopsis falcata (Pursh) Elliott USA: Massachusetts Barnstable Town E. F. Williams 1896-7-5
NEBC: 00705292 Chrysopsis falcata (Pursh) Elliott USA: Massachusetts Falmouth: Falmouth E. F. Williams 1911-7-12
NEBC: 00705295 Chrysopsis falcata (Pursh) Elliott USA: Massachusetts Falmouth: Falmouth E. F. Williams 1901-7-14
NEBC: 00705294 Chrysopsis falcata (Pursh) Elliott USA: Massachusetts Bourne: Bourne E. F. Williams 1901-9-15
GH: 02216189 Chrysopsis mariana (Linnaeus) Elliott USA: New Jersey Locust: [data not captured] E. F. Williams 1900-9-1
GH: 00587922 Cichorium intybus Linnaeus USA: Maine York: York E. F. Williams 1903-7-20
GH: 00587946 Cichorium intybus Linnaeus USA: Vermont East Middlebury E. F. Williams 1908-7-8
GH: 00587986 Cichorium intybus Linnaeus USA: Massachusetts Waltham: Waltham E. F. Williams 1895-10-6
GH: 00535251 Cichorium intybus Linnaeus USA: Massachusetts Wellesley: Wellesley E. F. Williams 1899-10-1
GH: 00535279 Cichorium intybus Linnaeus USA: Rhode Island Middletown: Middletown E. F. Williams 1908-9-12
GH: 00580932 Cirsium arvense (Linnaeus) Scopoli USA: New Hampshire Randolph: Randolph E. F. Williams 1896-7-30
GH: 00580960 Cirsium arvense (Linnaeus) Scopoli USA: Vermont Ripton: Ripton E. F. Williams 1908-7-7
GH: 00580961 Cirsium arvense (Linnaeus) Scopoli USA: Vermont East Middlebury E. F. Williams 1908-7-14
GH: 00580973 Cirsium arvense (Linnaeus) Scopoli USA: Massachusetts Gloucester: Gloucester E. F. Williams 1898-8-14
GH: 00580975 Cirsium arvense (Linnaeus) Scopoli USA: Massachusetts Ipswich: Ipswich E. F. Williams 1899-8-9
GH: 00577021 Cirsium arvense (Linnaeus) Scopoli USA: Rhode Island Middletown: Middletown E. F. Williams 1909-7-3
NEBC: 00580895 Cirsium arvense (Linnaeus) Scopoli USA: Maine Grand Isle: Grand Isle E. F. Williams 1901-8-12
NEBC: 00580897 Cirsium arvense (Linnaeus) Scopoli USA: Maine Portage Lake: Portage Lake E. F. Williams 1901-8-9
GH: 01017635 Cirsium discolor (Muhlenberg ex Willdenow) Sprengel USA: Vermont Weybridge: Weybridge E. F. Williams 1908-7-8
GH: 01017636 Cirsium discolor (Muhlenberg ex Willdenow) Sprengel USA: Vermont Weybridge: Weybridge E. F. Williams 1908-7-8
GH: 01017646 Cirsium discolor (Muhlenberg ex Willdenow) Sprengel USA: Massachusetts E. F. Williams 1896-10-4
GH: 01017649 Cirsium discolor (Muhlenberg ex Willdenow) Sprengel USA: Massachusetts Georgetown: Georgetown E. F. Williams 1 1902-8-24
GH: 01017671 Cirsium discolor (Muhlenberg ex Willdenow) Sprengel USA: Massachusetts Barnstable Town E. F. Williams 1896-9-6
NEBC: 01017682 Cirsium discolor (Muhlenberg ex Willdenow) Sprengel USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-29
NEBC: 00638956 Cirsium horridulum Michaux USA: New Hampshire Rye: Rye E. F. Williams 1903-6-14
GH: 00725531 Cirsium horridulum Michaux USA: Massachusetts Barnstable Town E. F. Williams 1896-7-5
NEBC: 00725533 Cirsium horridulum Michaux USA: Massachusetts Barnstable Town E. F. Williams 1895-6-16
NEBC: 00725534 Cirsium horridulum Michaux USA: Massachusetts Barnstable Town E. F. Williams 1896-7-5
NEBC: 00725535 Cirsium horridulum Michaux USA: Massachusetts Barnstable Town E. F. Williams 1895-6-16
NEBC: 00725538 Cirsium horridulum Michaux USA: Massachusetts Falmouth: Falmouth E. F. Williams 1911-7-6
GH: 00725562 Cirsium horridulum Michaux USA: Rhode Island Middletown: Middletown E. F. Williams 1909-7-4
GH: 01017745 Cirsium muticum Michaux USA: Maine Baker Island E. F. Williams 1899-7-22
NEBC: 01017761 Cirsium muticum Michaux USA: New Hampshire Crawford E. F. Williams 1895-7-16
GH: 01017773 Cirsium muticum Michaux USA: Vermont Willoughby E. F. Williams 1896-7-22
GH: 01017812 Cirsium muticum Michaux USA: Massachusetts Ashfield: Ashfield E. F. Williams 1909-7-18
GH: 02021355 Cirsium muticum Michaux USA: New Hampshire Crawford E. F. Williams #2 1895-7-15
GH: 02021351 Cirsium muticum Michaux USA: New Hampshire Crawford E. F. Williams #1 1895-7-15
GH: 00359734 Cirsium pumilum (Nuttall) Sprengel USA: Massachusetts Milton: near Houghtons pond, Blue Hills Rese... E. F. Williams 1895-8-11
GH: 01067183 Cirsium pumilum (Nuttall) Sprengel USA: New Hampshire Warren: Warren E. F. Williams 1908-7-28
GH: 01017852 Cirsium pumilum (Nuttall) Sprengel USA: Massachusetts Barnstable Town E. F. Williams 1896-7-4
NEBC: 01017857 Cirsium pumilum (Nuttall) Sprengel USA: Massachusetts Falmouth: Falmouth E. F. Williams
GH: 01017885 Cirsium pumilum (Nuttall) Sprengel USA: Rhode Island Cumberland: Cumberland E. F. Williams 1903-9-13
GH: 00566414 Cirsium vulgare (Savi) Tenore USA: New Hampshire Warren: Warren E. F. Williams 1908-7-28
GH: 00587334 Cirsium vulgare (Savi) Tenore USA: Vermont Ripton: Ripton E. F. Williams 1908-7-11
GH: 00587348 Cirsium vulgare (Savi) Tenore USA: Massachusetts Rockport: Rockport E. F. Williams 1898-8-14
GH: 00587368 Cirsium vulgare (Savi) Tenore USA: Massachusetts North Scituate E. F. Williams 1897-9-6
GH: 00587390 Cirsium vulgare (Savi) Tenore USA: Rhode Island Middletown: Middletown E. F. Williams 1908-9-13
GH: 00359734 Cnicus pumilus Torrey USA: Massachusetts Milton: near Houghtons pond, Blue Hills Rese... E. F. Williams 1895-8-11
NEBC: 00638999 Coreopsis grandiflora Hogg ex Sweet USA: Rhode Island Middletown: Middletown E. F. Williams 1911-6-17
GH: 00535301 Coreopsis lanceolata Linnaeus USA: Massachusetts Concord: Concord E. F. Williams 1908-6-20
NEBC: 00535316 Coreopsis lanceolata Linnaeus USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-29
GH: 00535322 Coreopsis lanceolata Linnaeus USA: Rhode Island North Kingstown: North Kingstown E. F. Williams 1908-6-17
NEBC: 00725810 Coreopsis rosea Nuttall USA: Massachusetts Barnstable Town E. F. Williams 1901-9-15
NEBC: 00680553 Coreopsis rosea Nuttall USA: Massachusetts Winchester: Winchester, Winter Pond E. F. Williams 1894-9-2
NEBC: 00725806 Coreopsis rosea Nuttall USA: Massachusetts Barnstable Town E. F. Williams 1896-9-6
NEBC: 00535335 Coreopsis tinctoria Nuttall USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-23
GH: 00675282 Coreopsis tripteris Linnaeus USA: Massachusetts Boston: Boston, Back Bay E. F. Williams 1903-9-3
GH: 00675281 Coreopsis tripteris Linnaeus USA: Massachusetts Boston: Boston, Back Bay E. F. Williams 1903-9-3
GH: 00718108 Cota tinctoria (Linnaeus) J. Gay USA: Maine Mount Desert Island: Mount Desert Island E. F. Williams 1 1899-7-27
GH: 00718130 Cota tinctoria (Linnaeus) J. Gay USA: Massachusetts Plymouth: Plymouth E. F. Williams 1910-9-11
GH: 00718132 Cota tinctoria (Linnaeus) J. Gay USA: Massachusetts Nantucket: Nantucket E. F. Williams 1903-9-20
GH: 01047467 Cyanus segetum Hill USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-13
GH: 01047494 Cyanus segetum Hill USA: Massachusetts Scituate: Scituate E. F. Williams 1898-7-10
NEBC: 01047470 Cyanus segetum Hill USA: Rhode Island Middletown: Middletown E. F. Williams 1911-6-17
NEBC: 00734570 Doellingeria infirma (Michaux) Greene USA: Massachusetts Lincoln: Lincoln E. F. Williams 1896-8-29
NEBC: 00734578 Doellingeria infirma (Michaux) Greene USA: Massachusetts Lincoln: Lincoln E. F. Williams 1898-8-28
NEBC: 00734579 Doellingeria infirma (Michaux) Greene USA: Massachusetts Lincoln: Lincoln E. F. Williams 1896-8-29
GH: 01019347 Doellingeria umbellata (Miller) Nees USA: Maine Fort Kent: Fort Kent E. F. Williams 1901-8-10
NEBC: 01019369 Doellingeria umbellata (Miller) Nees USA: Maine Middle Dam E. F. Williams 1903-8-2
NEBC: 01019437 Doellingeria umbellata (Miller) Nees USA: New Hampshire Randolph: Randolph E. F. Williams 1897-8-2
NEBC: 01019443 Doellingeria umbellata (Miller) Nees USA: New Hampshire Mount Washington E. F. Williams 1 1901-8-4
GH: 00755738 Doellingeria umbellata (Miller) Nees USA: Vermont Willoughby E. F. Williams 1894-7-31
GH: 00566443 Echinops sphaerocephalus Linnaeus USA: Massachusetts Boston: Boston, about Back Bay Fens E. F. Williams 1903-8-12
NEBC: 00626704 Erechtites hieraciifolia (Linnaeus) Rafinesque ex de Candolle USA: Massachusetts Boston: Boston, 16 Chestnut St. E. F. Williams 1908-5-13
NEBC: 00626843 Erechtites hieraciifolia (Linnaeus) Rafinesque ex de Candolle USA: Rhode Island Newport: Newport E. F. Williams 1908-9-12
GH: 00359726 Erechtites hieraciifolius (Linnaeus) Rafinesque ex de Candolle USA: Massachusetts Blue Hills Reservation E. F. Williams 1895-8-11
GH: 00006586 Erechtites hieraciifolius intermedia Fernald USA: Rhode Island Cumberland: E. F. Williams 1903-9-13
GH: 00359726 Erechtites hieraciifolius intermedia Fernald USA: Massachusetts Blue Hills Reservation E. F. Williams 1895-8-11
NEBC: 00359544 Erigeron annuus (Linnaeus) Persoon USA: Massachusetts Milton: Hillside St., Blue Hills Reserv. E. F. Williams 1895-6-30
GH: 00564029 Erigeron annuus (Linnaeus) Persoon USA: Maine Northeast Harbor E. F. Williams 1910-8-5
GH: 00564039 Erigeron annuus (Linnaeus) Persoon USA: New Hampshire Dummer: Dummer E. F. Williams 1895-7-29
GH: 00564042 Erigeron annuus (Linnaeus) Persoon USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-24
NEBC: 00564043 Erigeron annuus (Linnaeus) Persoon USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-24
NEBC: 00564109 Erigeron annuus (Linnaeus) Persoon USA: Massachusetts Revere: Revere E. F. Williams 1896-6-28
GH: 00564146 Erigeron annuus (Linnaeus) Persoon USA: Rhode Island Wickford E. F. Williams 1908-6-17
GH: 00834812 Erigeron canadensis Linnaeus USA: Maine Fort Kent: Fort Kent E. F. Williams 1 1901-8-12
GH: 00834856 Erigeron canadensis Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 1895-8-1
GH: 00834864 Erigeron canadensis Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1908-7-27
GH: 00834896 Erigeron canadensis Linnaeus USA: Vermont Salisbury: Salisbury E. F. Williams 1908-7-14
GH: 00834909 Erigeron canadensis Linnaeus USA: Massachusetts Manchester: Manchester E. F. Williams 1895-8-18
GH: 00834923 Erigeron canadensis Linnaeus USA: Massachusetts Wilmington: Wilmington E. F. Williams 1900-8-26
GH: 01016707 Erigeron canadensis Linnaeus USA: Rhode Island Rumford E. F. Williams 1903-9-6
GH: 01016708 Erigeron canadensis Linnaeus USA: Rhode Island Cumberland: Cumberland E. F. Williams 1903-9-13
NEBC: 00734506 Erigeron hyssopifolius Michaux USA: Vermont Cambridge: Cambridge E. F. Williams 1897-7-5
GH: 02352429 Erigeron philadelphicus Linnaeus Canada: New Brunswick [data not captured] E. F. Williams 1901-8-17
GH: 00535880 Erigeron philadelphicus Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-6
GH: 00535882 Erigeron philadelphicus Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1910-7-20
NEBC: 00535900 Erigeron philadelphicus Linnaeus USA: Vermont Willoughby E. F. Williams 1896-7-18
GH: 00535909 Erigeron philadelphicus Linnaeus USA: Vermont Cambridge: Cambridge E. F. Williams 1897-7-8
GH: 00535947 Erigeron philadelphicus Linnaeus USA: Massachusetts Deerfield: Deerfield E. F. Williams 1910-6-17
GH: 00535948 Erigeron philadelphicus Linnaeus USA: Massachusetts Greenfield: Greenfield E. F. Williams 1910-6-17
GH: 01052214 Erigeron pulchellus Michaux USA: New Hampshire Warren: Warren E. F. Williams 1907-7-21
NEBC: 01021991 Erigeron pulchellus Michaux USA: Massachusetts Danvers: Danvers E. F. Williams
NEBC: 01079090 Erigeron pulchellus Michaux USA: Massachusetts Winchester: Winchester E. F. Williams 1895-6-2
GH: 01079191 Erigeron pulchellus Michaux USA: Massachusetts Cumberland E. F. Williams 1 1904-5-15
NEBC: 01079200 Erigeron pulchellus Michaux USA: Rhode Island North Providence: North Providence E. F. Williams 1896-5-18
GH: 01079214 Erigeron pulchellus Michaux USA: Connecticut Lyme: Lyme E. F. Williams 1905-6-17
GH: 02351659 Erigeron strigosus Muhlenberg ex Willdenow Canada: New Brunswick [data not captured] E. F. Williams 1900-7-29
GH: 01052463 Erigeron strigosus Muhlenberg ex Willdenow USA: Maine Phillips: Phillips E. F. Williams 1903-8-4
GH: 01052485 Erigeron strigosus Muhlenberg ex Willdenow USA: New Hampshire Crawford E. F. Williams 1895-7-16
GH: 01052490 Erigeron strigosus Muhlenberg ex Willdenow USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-23
NEBC: 01079306 Erigeron strigosus Muhlenberg ex Willdenow USA: Massachusetts Norwood: Norwood E. F. Williams 1895-6-23
GH: 01079320 Erigeron strigosus Muhlenberg ex Willdenow USA: Massachusetts Barnstable Town E. F. Williams 1896-7-4
GH: 01052510 Erigeron strigosus Muhlenberg ex Willdenow USA: Massachusetts Ashfield: Ashfield E. F. Williams 1907-7-12
GH: 01052540 Erigeron strigosus Muhlenberg ex Willdenow USA: Rhode Island North Kingstown: North Kingstown E. F. Williams 1908-6-18
GH: 01052556 Erigeron strigosus Muhlenberg ex Willdenow USA: Connecticut Hartford: Hartford E. F. Williams 1900-7-10
NEBC: 00359322 Eupatorium aromaticum Linnaeus USA: Massachusetts Blue Hill [Blue Hills Reservation] E. F. Williams 1895-9-22
NEBC: 00359776 Eupatorium aromaticum Linnaeus USA: Massachusetts Boston: Stony Brook Reservation [Hyde Park/W... E. F. Williams 1896-8-23
GH: 00359781 Eupatorium aromaticum Linnaeus USA: Massachusetts Milton: Blue Hill [Blue Hills Reservation] E. F. Williams 1895-9-22
NEBC: 00753399 Eupatorium hyssopifolium Linnaeus USA: Massachusetts Barnstable Town E. F. Williams 1896-9-5
NEBC: 00753400 Eupatorium hyssopifolium Linnaeus USA: Massachusetts Barnstable Town E. F. Williams 1896-9-7
NEBC: 00753402 Eupatorium hyssopifolium Linnaeus USA: Massachusetts Bourne: Bourne E. F. Williams 1901-9-15
NEBC: 00753403 Eupatorium hyssopifolium Linnaeus USA: Massachusetts Cape Cod E. F. Williams 1901-9-15
NEBC: 00359325 Eupatorium perfoliatum Linnaeus USA: Massachusetts Quincy: near Rattlesnake hill, Blue Hills Re... E. F. Williams 1895-8-25
GH: 00753431 Eupatorium perfoliatum Linnaeus USA: Maine Mount Desert (Hancock County): Mount Desert E. F. Williams 1910-8-4
GH: 00753475 Eupatorium perfoliatum Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 1896-8-3
GH: 01034038 Eupatorium perfoliatum Linnaeus USA: Rhode Island Middletown: Middletown E. F. Williams 1908-9-12
GH: 00359785 Eupatorium pilosum Walter USA: Massachusetts Boston: Stony Brook Reservation [Hyde Park/W... E. F. Williams 1896-9-18
GH: 01034075 Eupatorium pilosum Walter USA: Massachusetts Concord: Concord E. F. Williams 1908-8-29
ECON: 01034093 Eupatorium pilosum Walter USA: Massachusetts Canton: Canton E. F. Williams 1893-10-1
NEBC: 01034100 Eupatorium pilosum Walter USA: Massachusetts Norwood: Norwood E. F. Williams 1897-8-22
GH: 01034102 Eupatorium pilosum Walter USA: Massachusetts Plymouth: Plymouth E. F. Williams 1898-8-21
NEBC: 01034133 Eupatorium pilosum Walter USA: Massachusetts Bourne: Bourne E. F. Williams 1901-9-15
GH: 01034152 Eupatorium pilosum Walter USA: Massachusetts Nantucket: Nantucket E. F. Williams 1903-9-19
NEBC: 01034155 Eupatorium pilosum Walter USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-29
NEBC: 01034154 Eupatorium pilosum Walter USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-23
GH: 01034163 Eupatorium pilosum Walter USA: Massachusetts E. F. Williams
GH: 02190037 Eupatorium pilosum Walter USA: New Jersey Locust [Middletown Township] E. F. Williams 1900-9-1
NEBC: 01034250 Eupatorium pubescens Muhlenberg ex Willdenow USA: Massachusetts Concord: Concord E. F. Williams 3397 1908-8-29
GH: 00359355 Eupatorium purpureum Linnaeus USA: Massachusetts Blue Hills Reservation E. F. Williams 1895-8-25
NEBC: 00359356 Eupatorium purpureum Linnaeus USA: Massachusetts Blue Hills Reservation E. F. Williams 1895-8-11
NEBC: 00359357 Eupatorium purpureum Linnaeus USA: Massachusetts Newton: Hammond pond E. F. Williams 1895-11-3
GH: 00359355 Eupatorium purpureum maculatum (Linnaeus) Darlington USA: Massachusetts Blue Hills Reservation E. F. Williams 1895-8-25
NEBC: 00359356 Eupatorium purpureum maculatum (Linnaeus) Darlington USA: Massachusetts Blue Hills Reservation E. F. Williams 1895-8-11
GH: 02190293 Eupatorium rotundifolium Linnaeus USA: New Jersey Locust [Middletown Township] E. F. Williams 1900-9-1
GH: 00359785 Eupatorium rotundifolium ovatum (Bigelow) Torrey ex de Candolle USA: Massachusetts Boston: Stony Brook Reservation [Hyde Park/W... E. F. Williams 1896-9-18
GH: 01034287 Eupatorium sessilifolium Linnaeus USA: Massachusetts Concord: Concord, Conantum E. F. Williams 1908-8-9
NEBC: 01034297 Eupatorium sessilifolium Linnaeus USA: Massachusetts Winchester: Winchester E. F. Williams 1897-8-21
NEBC: 01034298 Eupatorium sessilifolium Linnaeus USA: Massachusetts Winchester: Winchester E. F. Williams 1897-8-21
GH: 00359785 Eupatorium verbenifolium Michaux USA: Massachusetts Boston: Stony Brook Reservation [Hyde Park/W... E. F. Williams 1896-9-18
NEBC: 00359356 Eupatorium verticillatum Lamarck USA: Massachusetts Blue Hills Reservation E. F. Williams 1895-8-11
NEBC: 00359818 Eurybia divaricata (Linnaeus) G. L. Nesom USA: Massachusetts Boston: Stony Brook Reserv. [Hyde Park/West ... E. F. Williams 1896-9-13
GH: 01019650 Eurybia divaricata (Linnaeus) G. L. Nesom USA: Massachusetts Acton: South Acton E. F. Williams 1908-9-6
NEBC: 00359836 Eurybia herveyi (A. Gray) G. L. Nesom USA: Massachusetts path up Big Blue Hill, Blue Hills Reservatio... E. F. Williams 1893-10-1
GH: 00443513 Eurybia macrophylla (Linnaeus) Cassini USA: Massachusetts Blue Hills Reservation E. F. Williams 1895-8-25
GH: 00574355 Eurybia macrophylla (Linnaeus) Cassini USA: New Hampshire Gorham: Gorham E. F. Williams 1895-8-5
NEBC: 00568002 Eurybia macrophylla (Linnaeus) Cassini USA: New Hampshire Jaffrey: Jaffrey E. F. Williams 1901-9-2
NEBC: 00574434 Eurybia macrophylla (Linnaeus) Cassini USA: Massachusetts Readville: Readville E. F. Williams 1900-9-23
NEBC: 01015006 Eurybia radula (Aiton) G. L. Nesom USA: Massachusetts Concord: Concord E. F. Williams 1 1908-8-29
NEBC: 01015022 Eurybia radula (Aiton) G. L. Nesom USA: Massachusetts Wayland: Wayland E. F. Williams 1893-9-10
NEBC: 00359479 Eurybia spectabilis (Aiton) G. L. Nesom USA: Massachusetts Quincy: Near Rattlesnake Hill, Blue Hills Re... E. F. Williams 1895-8-25
GH: 01052649 Euthamia graminifolia (Linnaeus) Nuttall USA: Maine Rangeley: Rangeley E. F. Williams 1903-8-4
GH: 01052799 Euthamia graminifolia (Linnaeus) Nuttall USA: New Hampshire Franconia: Near Profile House farm E. F. Williams 1894-8-4
GH: 01055075 Euthamia graminifolia (Linnaeus) Nuttall USA: Massachusetts Cohasset: Cohasset E. F. Williams 1901-8-25
GH: 01079663 Euthamia tenuifolia USA: Massachusetts Sharon: Sharon E. F. Williams 1899-9-10
NEBC: 01079664 Euthamia tenuifolia USA: Massachusetts Sharon: Sharon E. F. Williams 1897-10-17
GH: 01079715 Euthamia tenuifolia USA: Massachusetts Nantucket: Nantucket E. F. Williams 1894-9-8
NEBC: 01079729 Euthamia tenuifolia USA: Massachusetts Barnstable Town E. F. Williams 1896-9-6
NEBC: 01079736 Euthamia tenuifolia USA: Massachusetts Bourne: Bourne E. F. Williams 1901-9-15
GH: 01079739 Euthamia tenuifolia USA: Massachusetts Bourne: Bourne E. F. Williams 1901-9-15
GH: 01079781 Euthamia tenuifolia USA: Rhode Island Middletown: Middletown E. F. Williams 1908-9-13
GH: 00359355 Eutrochium dubium (Willdenow ex Poiret) E. E. Lamont USA: Massachusetts Blue Hills Reservation E. F. Williams 1895-8-25
NEBC: 00359356 Eutrochium dubium (Willdenow ex Poiret) E. E. Lamont USA: Massachusetts Blue Hills Reservation E. F. Williams 1895-8-11
GH: 01034858 Eutrochium dubium (Willdenow ex Poiret) E. E. Lamont USA: Massachusetts Cohasset: Cohasset E. F. Williams 1901-8-25
GH: 01034859 Eutrochium dubium (Willdenow ex Poiret) E. E. Lamont USA: Massachusetts Cohasset: Cohasset E. F. Williams 1901-8-25
GH: 01034860 Eutrochium dubium (Willdenow ex Poiret) E. E. Lamont USA: Massachusetts Wellesley: Wellesley E. F. Williams 1897-8-29
GH: 01034861 Eutrochium dubium (Willdenow ex Poiret) E. E. Lamont USA: Massachusetts Wellesley: Wellesley E. F. Williams 1897-8-29
GH: 01034921 Eutrochium dubium (Willdenow ex Poiret) E. E. Lamont USA: Rhode Island Rumford E. F. Williams 1903-9-6
GH: 01019113 Eutrochium maculatum (Linnaeus) E. E. Lamont USA: Vermont Ripton: Ripton E. F. Williams 1908-7-4
GH: 01019114 Eutrochium maculatum (Linnaeus) E. E. Lamont USA: Vermont Ripton: Ripton E. F. Williams 1908-7-17
NEBC: 01019166 Eutrochium maculatum foliosum (Fernald) E. E. Lamont USA: Maine Fort Fairfield: Fort Fairfield E. F. Williams 1901-8-15
GH: 01019167 Eutrochium maculatum foliosum (Fernald) E. E. Lamont USA: Maine Fort Fairfield: Fort Fairfield E. F. Williams 1901-8-15
NEBC: 00535359 Galinsoga parviflora Cavanilles USA: Massachusetts Boston: Boston, front yard on Columbus Ave. E. F. Williams 1894-10-9
GH: 00535393 Galinsoga quadriradiata Ruiz & Pavon USA: Maine Northeast Harbor E. F. Williams 1910-8-5
NEBC: 00535460 Galinsoga quadriradiata Ruiz & Pavon USA: Massachusetts Newton: Newton E. F. Williams 1897-10-23
GH: 00535464 Galinsoga quadriradiata Ruiz & Pavon USA: Massachusetts Weston: Weston, near B.A.A. [Boston Athletic... E. F. Williams 1894-10-7
GH: 00535471 Galinsoga quadriradiata Ruiz & Pavon USA: Massachusetts Boston: Boston E. F. Williams 1894
GH: 00535508 Galinsoga quadriradiata Ruiz & Pavon USA: Rhode Island Newport: Newport E. F. Williams 1908-9-12
GH: 00535509 Galinsoga quadriradiata Ruiz & Pavon USA: Rhode Island Newport: Newport E. F. Williams 1908-9-12
NEBC: 00359695 Gnaphalium polycephalum Michaux USA: Massachusetts Quincy: Rattlesnake hill, Blue Hills Reserva... E. F. Williams 1895-8-25
GH: 01053813 Gnaphalium uliginosum Linnaeus USA: Maine Fort Kent: Fort Kent E. F. Williams 1 1901-8-12
GH: 01053814 Gnaphalium uliginosum Linnaeus USA: Maine Mount Azizcohos E. F. Williams 3 1903-7-31
GH: 01053815 Gnaphalium uliginosum Linnaeus USA: Maine Frenchville: Frenchville E. F. Williams 2 1901-8-12
NEBC: 01053828 Gnaphalium uliginosum Linnaeus USA: Maine Rangeley: Rangeley E. F. Williams 1 1903-8-4
GH: 01053887 Gnaphalium uliginosum Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 1895-7-21
GH: 01066733 Gnaphalium uliginosum Linnaeus USA: New Hampshire Dummer: Dummer E. F. Williams 1895-7-29
GH: 01053888 Gnaphalium uliginosum Linnaeus USA: New Hampshire Crawford E. F. Williams 1895-7-15
GH: 01053944 Gnaphalium uliginosum Linnaeus USA: Vermont Ripton: Ripton E. F. Williams 1908-7-4
GH: 01053972 Gnaphalium uliginosum Linnaeus USA: Massachusetts Concord: Concord E. F. Williams 1908-8-9
GH: 01053973 Gnaphalium uliginosum Linnaeus USA: Massachusetts Concord: Concord E. F. Williams 1898-8-28
GH: 01008849 Helenium autumnale Linnaeus USA: Massachusetts Holyoke: Holyoke E. F. Williams 1905
GH: 00535551 Helianthus annuus Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1908-7-24
NEBC: 00535570 Helianthus annuus Linnaeus USA: Massachusetts Dedham: Dedham E. F. Williams 1897-8-22
GH: 00535572 Helianthus annuus Linnaeus USA: Massachusetts Nahant: Nahant E. F. Williams 1894-9-16
GH: 00535573 Helianthus annuus Linnaeus USA: Massachusetts E. F. Williams 1895-10-27
GH: 00535574 Helianthus annuus Linnaeus USA: Massachusetts Quincy: Quincy E. F. Williams 1904-9-6
GH: 01038464 Helianthus decapetalus Linnaeus USA: New Hampshire Wentworth: Wentworth E. F. Williams 1908-7-29
GH: 01037972 Helianthus divaricatus Linnaeus USA: Massachusetts Rockport: Rockport E. F. Williams 1897-8-15
NEBC: 01037999 Helianthus divaricatus Linnaeus USA: Massachusetts Revere: Revere E. F. Williams 1896-8-30
GH: 01008160 Helianthus luxurians E. Watson USA: Vermont Norwich: Norwich E. F. Williams 1910-7-8
GH: 00535640 Helianthus petiolaris Nuttall USA: Maine Dedham: Dedham E. F. Williams 1898-10-2
GH: 00443290 Helianthus strumosus Linnaeus USA: Massachusetts big Blue hill, Blue Hills Reserv. E. F. Williams 1895-9-22
GH: 01017036 Helianthus strumosus Linnaeus USA: Maine Cutts E. F. Williams 1895-8-26
GH: 01017071 Helianthus strumosus Linnaeus USA: Massachusetts Wilmington: Wilmington E. F. Williams 1900-8-26
NEBC: 01017079 Helianthus strumosus Linnaeus USA: Massachusetts Revere: Revere E. F. Williams 1896-8-30
GH: 01017092 Helianthus strumosus Linnaeus USA: Massachusetts Wellesley: Wellesley E. F. Williams 1897-8-29
GH: 00535664 Helianthus tuberosus Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1910-7-31
GH: 00535676 Helianthus tuberosus Linnaeus USA: Massachusetts Lincoln: Lexington, Mt. Tabor [Mt. Tabor is ... E. F. Williams 1897-9-19
GH: 00535677 Helianthus tuberosus Linnaeus USA: Massachusetts Lexington: Lexington, Mt. Tabor [Mt. Tabor i... E. F. Williams 1897-9-19
NEBC: 00535678 Helianthus tuberosus Linnaeus USA: Massachusetts Lexington: Lexington, Mt. Tabor [Mt. Tabor i... E. F. Williams 1897-9-19
GH: 00535790 Heliopsis helianthoides scabra (Dunal) Fernald USA: New Hampshire Warren: Warren E. F. Williams 1910-7-28
GH: 00535803 Heliopsis helianthoides scabra (Dunal) Fernald USA: Massachusetts Ashfield: Ashfield E. F. Williams 1908-7-12
NEBC: 00587423 Hieracium aurantiacum Linnaeus USA: New Hampshire Errol: Errol E. F. Williams 1903-7-29
NEBC: 00587452 Hieracium aurantiacum Linnaeus USA: New Hampshire Rye: Rye E. F. Williams 1903-6-14
GH: 00587466 Hieracium aurantiacum Linnaeus USA: Vermont Willoughby E. F. Williams 1896-7-20
GH: 00587467 Hieracium aurantiacum Linnaeus USA: Vermont Willoughby E. F. Williams 1896-7-26
NEBC: 00587470 Hieracium aurantiacum Linnaeus USA: Vermont Willoughby E. F. Williams 1896-7-19
GH: 00587500 Hieracium aurantiacum Linnaeus USA: Massachusetts Georgetown: South Georgetown E. F. Williams 1 1902-8-24
GH: 00587531 Hieracium aurantiacum Linnaeus USA: Massachusetts Barnstable Town E. F. Williams 1896-7-4
NEBC: 00587532 Hieracium aurantiacum Linnaeus USA: Massachusetts Barnstable Town E. F. Williams 1896-7-4
GH: 00587556 Hieracium aurantiacum Linnaeus USA: Massachusetts Plainfield: Plainfield E. F. Williams 1907-6-19
GH: 00587569 Hieracium aurantiacum Linnaeus USA: Massachusetts Williamstown: Williamstown E. F. Williams 1901-6-17
GH: 00587596 Hieracium caespitosum Dumortier USA: Maine Van Buren: Van Buren E. F. Williams 1900-7-19
NEBC: 00587597 Hieracium caespitosum Dumortier USA: Maine Van Buren: Van Buren E. F. Williams 1900-7-19
GH: 01067263 Hieracium gronovii Linnaeus USA: Massachusetts Norwood: Norwood E. F. Williams 1898-10-2
NEBC: 01067295 Hieracium gronovii Linnaeus USA: Massachusetts Barnstable Town E. F. Williams 1897-9-12
NEBC: 01067297 Hieracium gronovii Linnaeus USA: Massachusetts Barnstable Town E. F. Williams 1896-9-6
NEBC: 01067298 Hieracium gronovii Linnaeus USA: Massachusetts Barnstable Town E. F. Williams 1896-9-6
NEBC: 01067299 Hieracium gronovii Linnaeus USA: Massachusetts Barnstable Town E. F. Williams 1897-9-12
NEBC: 01067302 Hieracium gronovii Linnaeus USA: Massachusetts Bourne: Bourne E. F. Williams 1 1901-9-15
NEBC: 01067321 Hieracium gronovii Linnaeus USA: Massachusetts Falmouth: Falmouth E. F. Williams 1911-7-14
NEBC: 01028814 Hieracium gronovii Linnaeus USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-21
NEBC: 01028815 Hieracium gronovii Linnaeus USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-21
NEBC: 01028816 Hieracium gronovii Linnaeus USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-21
NEBC: 01028817 Hieracium gronovii Linnaeus USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-21
NEBC: 01028821 Hieracium gronovii Linnaeus USA: Massachusetts Nantucket: Nantucket E. F. Williams 1903-9-20
GH: 01831985 Hieracium gronovii Linnaeus USA: New Jersey [data not captured] E. F. Williams 1 1900-9-1
GH: 01028856 Hieracium kalmii Linnaeus USA: Maine Fort Kent: Fort Kent E. F. Williams 1 1900-8-1
GH: 00833224 Hieracium kalmii Linnaeus USA: Maine Kittery: Kittery E. F. Williams 1895-8-27
GH: 00833246 Hieracium kalmii Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1908-7-28
NEBC: 00833310 Hieracium kalmii Linnaeus USA: Massachusetts Barnstable Town E. F. Williams 1896-9-6
GH: 00833311 Hieracium kalmii Linnaeus USA: Massachusetts Barnstable Town E. F. Williams 1896-9-6
GH: 00833352 Hieracium kalmii Linnaeus USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2
GH: 01832405 Hieracium lachenalii C. C. Gmelin Canada: Quebec Province [data not captured] E. F. Williams 1902-8-6
NEBC: 00833375 Hieracium maculatum Smith USA: Maine Twin Brooks E. F. Williams 1900-7-28
NEBC: 00359741 Hieracium marianum Willdenow USA: Massachusetts Blue Hills Reservation E. F. Williams 1895-6-30
NEBC: 00359742 Hieracium marianum Willdenow USA: Massachusetts Blue Hills Reservation E. F. Williams 1895-6-30
NEBC: 00359746 Hieracium paniculatum Linnaeus USA: Massachusetts Blue Hills Reservation E. F. Williams 1895-8-11
GH: 00833481 Hieracium paniculatum Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1908-7-26
GH: 00833511 Hieracium paniculatum Linnaeus USA: Vermont Granville: Granville E. F. Williams 1908-7-18
GH: 00833512 Hieracium paniculatum Linnaeus USA: Vermont Ripton: Ripton E. F. Williams 1908-7-11
NEBC: 00833652 Hieracium scabrum Michaux USA: Maine Mount Aziscohos E. F. Williams 1903-7-31
NEBC: 01028913 Hieracium scabrum Michaux USA: New Hampshire White Mountains E. F. Williams 1900
GH: 01028915 Hieracium scabrum Michaux USA: New Hampshire Randolph: Randolph E. F. Williams 1895-8-3
GH: 01071481 Hieracium scabrum Michaux USA: Vermont Ripton: Ripton E. F. Williams 1908-7-17
GH: 01071482 Hieracium scabrum Michaux USA: Vermont Hancock: Hancock E. F. Williams 1908-7-18
GH: 01071489 Hieracium scabrum Michaux USA: Vermont Rutland: Rutland E. F. Williams 1361 1899-8-29
GH: 01071498 Hieracium scabrum Michaux USA: Massachusetts Tewksbury: Tewksbury E. F. Williams 1901-10-27
GH: 01071499 Hieracium scabrum Michaux USA: Massachusetts Newbury: Newbury E. F. Williams 1 1899-8-7
GH: 01071522 Hieracium scabrum Michaux USA: Massachusetts Cohasset: Cohasset E. F. Williams 1901-8-25
GH: 01071549 Hieracium scabrum Michaux USA: Massachusetts Barnstable Town E. F. Williams 1898-9-5
GH: 01071559 Hieracium scabrum Michaux USA: Massachusetts Nantucket: Nantucket E. F. Williams 1 1894-9-9
GH: 00833812 Hieracium scabrum Michaux USA: Rhode Island Rumford E. F. Williams 1 1903-9-6
NEBC: 00359754 Hieracium venosum Linnaeus USA: Massachusetts Blue Hills Reservation E. F. Williams 1895-6-9
NEBC: 01071717 Hieracium venosum Linnaeus USA: Massachusetts Norwood: Norwood E. F. Williams 1899-6-4
GH: 01071589 Hieracium venosum Linnaeus USA: Massachusetts Barnstable Town E. F. Williams 1896-7-5
NEBC: 01071590 Hieracium venosum Linnaeus USA: Massachusetts Barnstable Town E. F. Williams 1896-7-5
GH: 01071612 Hieracium venosum Linnaeus USA: Massachusetts Falmouth: Falmouth E. F. Williams 1911-7-6
NEBC: 01071613 Hieracium venosum Linnaeus USA: Massachusetts Falmouth: Falmouth E. F. Williams 1911-7-6
GH: 01071633 Hieracium venosum Linnaeus USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-21
NEBC: 01071634 Hieracium venosum Linnaeus USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-21
GH: 01071670 Hieracium venosum Linnaeus USA: Rhode Island North Kingstown: North Kingstown E. F. Williams 1908-6-18
GH: 01833173 Hieracium venosum Linnaeus USA: New Jersey Locust: [data not captured] E. F. Williams 1900-6-17
GH: 00637881 Inula helenium Linnaeus USA: Maine York: [no additional data] E. F. Williams 1903-7-17
GH: 00637890 Inula helenium Linnaeus USA: New Hampshire Hanover: [no additional data] E. F. Williams 1910-7-13
GH: 00637895 Inula helenium Linnaeus USA: New Hampshire Warren: [no additional data] E. F. Williams 1910-7-31
GH: 00637902 Inula helenium Linnaeus USA: Vermont Maidstone: [no additional data] E. F. Williams 1906-7-28
NEBC: 00637917 Inula helenium Linnaeus USA: Massachusetts Boxford: [no additional data] E. F. Williams 1899-8-8
NEBC: 00637920 Inula helenium Linnaeus USA: Massachusetts Newbury: [no additional data] E. F. Williams 1899-8-7
NEBC: 00637921 Inula helenium Linnaeus USA: Massachusetts Newbury: [no additional data] E. F. Williams 1899-8-7
NEBC: 00359436 Ionactis linariifolia (Linnaeus) Greene USA: Massachusetts Blue Hills Reserv. Near Gardners Swamp E. F. Williams 1894-9-23
NEBC: 01015317 Ionactis linariifolius (Linnaeus) Greene USA: Massachusetts Waltham: Waltham, N. of Prospect Hill E. F. Williams 1895-10-6
GH: 01028032 Iva frutescens Linnaeus USA: Massachusetts Newbury: Newbury E. F. Williams 1899-8-7
NEBC: 01028033 Iva frutescens Linnaeus USA: Massachusetts Newbury: Newbury E. F. Williams 1902-8-24
NEBC: 01028049 Iva frutescens Linnaeus USA: Massachusetts Revere: Revere E. F. Williams 1896-8-30
GH: 01028050 Iva frutescens Linnaeus USA: Massachusetts Revere: Revere E. F. Williams 1896-8-30
GH: 01017372 Iva frutescens Linnaeus USA: Massachusetts Barnstable Town E. F. Williams 1896-9-7
NEBC: 01017373 Iva frutescens Linnaeus USA: Massachusetts Barnstable Town E. F. Williams 1896-9-7
GH: 01017397 Iva frutescens Linnaeus USA: Connecticut Guilford: Guilford E. F. Williams 1891-8-13
GH: 00718328 Iva xanthifolia Nuttall USA: Massachusetts Cambridge: Cambridge, on Brookline Street E. F. Williams 1910-8-20
NEBC: 00443410 Krigia virginica (Linnaeus) Willdenow USA: Massachusetts Boston: Stony Brook Reservation, Bearberry h... E. F. Williams 1897-5-30
NEBC: 00680336 Krigia virginica (Linnaeus) Willdenow USA: Massachusetts Lincoln: Lexington, Mt. Tabor [Mt. Tabor is ... E. F. Williams 1897-6-6
NEBC: 00680359 Krigia virginica (Linnaeus) Willdenow USA: Massachusetts Norwood: Norwood E. F. Williams 1 1905-5-19
GH: 00680447 Krigia virginica (Linnaeus) Willdenow USA: Rhode Island Middletown: Middletown E. F. Williams 1908-5-31
GH: 00680458 Krigia virginica (Linnaeus) Willdenow USA: Connecticut Lyme: Lyme E. F. Williams 1905-6-17
GH: 00680480 Krigia virginica (Linnaeus) Willdenow USA: Connecticut Stratford: Stratford E. F. Williams 2 1901-6-9
NEBC: 00833834 Lactuca biennis (Moench) Fernald USA: Maine Phillips: Phillips E. F. Williams 1903-8-4
GH: 01070042 Lactuca biennis (Moench) Fernald USA: New Hampshire Randolph: Randolph E. F. Williams 1896-8-1
NEBC: 01070043 Lactuca biennis (Moench) Fernald USA: New Hampshire Randolph: Randolph E. F. Williams 1896-7-31
GH: 01070092 Lactuca biennis (Moench) Fernald USA: Massachusetts Scituate: Scituate E. F. Williams 1901-9-8
GH: 01070096 Lactuca canadensis Linnaeus USA: Maine York: York E. F. Williams 1898-7-25
NEBC: 01070105 Lactuca canadensis Linnaeus USA: New Hampshire E. F. Williams 1900
GH: 01070118 Lactuca canadensis Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 1 1896-8-1
GH: 01070119 Lactuca canadensis Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 2 1896-8-1
NEBC: 01070124 Lactuca canadensis Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 1 1896-8-1
NEBC: 01070125 Lactuca canadensis Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 2 1896-8-1
GH: 01071767 Lactuca canadensis Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1908-7-24
GH: 01071768 Lactuca canadensis Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1908-7-23
GH: 01071769 Lactuca canadensis Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1908-7-24
NEBC: 01071770 Lactuca canadensis Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1908-7-24
NEBC: 01071771 Lactuca canadensis Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1908-7-24
GH: 01071801 Lactuca canadensis Linnaeus USA: Vermont Westmore: Westmore E. F. Williams 1896-7-26
GH: 01071807 Lactuca canadensis Linnaeus USA: Vermont Willoughby E. F. Williams 1896-7-24
GH: 01071822 Lactuca canadensis Linnaeus USA: Vermont Ripton: Ripton E. F. Williams 1908-7-17
GH: 01067654 Lactuca canadensis Linnaeus USA: Massachusetts Georgetown: Georgetown E. F. Williams 1906-8-3
GH: 01067655 Lactuca canadensis Linnaeus USA: Massachusetts Georgetown: Georgetown E. F. Williams 1906-8-3
GH: 01067656 Lactuca canadensis Linnaeus USA: Massachusetts Georgetown: Georgetown E. F. Williams 1906-8-9
GH: 01067657 Lactuca canadensis Linnaeus USA: Massachusetts Georgetown: Georgetown E. F. Williams 1906-8-9
NEBC: 01067694 Lactuca canadensis Linnaeus USA: Massachusetts Winchester: Winchester, Horn Pond Mt. E. F. Williams 1901-10-20
GH: 01067722 Lactuca canadensis Linnaeus USA: Massachusetts Wellesley: Wellesley E. F. Williams 1897-8-22
GH: 01067796 Lactuca canadensis Linnaeus USA: Massachusetts Ashfield: Ashfield E. F. Williams 1909-7-19
GH: 01067832 Lactuca canadensis Linnaeus USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2
GH: 01067833 Lactuca canadensis Linnaeus USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2
GH: 01834367 Lactuca canadensis Linnaeus USA: New Jersey Locust: [data not captured] E. F. Williams 1900-9-1
GH: 00009496 Lactuca canadensis obovata Wiegand USA: Massachusetts Wellesley: Maugus Hill E. F. Williams 1897-8-29
GH: 00725404 Lactuca hirsuta Muhlenberg ex Nuttall USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-7
GH: 00725412 Lactuca hirsuta Muhlenberg ex Nuttall USA: Vermont Salisbury: Salisbury E. F. Williams 1908-7-14
GH: 00725413 Lactuca hirsuta Muhlenberg ex Nuttall USA: Vermont Norwich: Norwich E. F. Williams 1910-7-15
NEBC: 00725414 Lactuca hirsuta Muhlenberg ex Nuttall USA: Vermont Salisbury: Salisbury E. F. Williams 1908-7-14
NEBC: 00725424 Lactuca hirsuta Muhlenberg ex Nuttall USA: Massachusetts Falmouth: Falmouth E. F. Williams 1911-7-13
GH: 00725435 Lactuca hirsuta Muhlenberg ex Nuttall USA: Massachusetts Ashfield: Ashfield E. F. Williams 1909-7-19
GH: 02530428 Lactuca indica Linnaeus USA: Maine Ashland: [no additional data] E. F. Williams 1901-8-9
GH: 00626144 Lactuca serriola Linnaeus USA: Maine Van Buren: Van Buren E. F. Williams 1901-8-13
GH: 00626157 Lactuca serriola Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1908-7-24
GH: 00626167 Lactuca serriola Linnaeus USA: Massachusetts Rockport: Rockport E. F. Williams 1897-8-15
GH: 00626192 Lactuca serriola Linnaeus USA: Massachusetts Boston: Boston E. F. Williams 1900-8-24
GH: 01834843 Lactuca serriola Linnaeus USA: Rhode Island Tiverton: [no additional data] E. F. Williams 1903-9-27
GH: 00626289 Lapsana communis Linnaeus USA: Massachusetts Revere: Revere E. F. Williams 1896-6-28
NEBC: 00626293 Lapsana communis Linnaeus USA: Massachusetts Revere: Revere E. F. Williams 1896-6-28
GH: 01835177 Lapsana communis Linnaeus USA: New Jersey [data not captured] E. F. Williams 1900-6-17
GH: 00637188 Leontodon saxatilis Lamarck USA: Rhode Island Middletown: Middletown E. F. Williams 1909-7-5
GH: 00626874 Leucanthemum vulgare Lamarck USA: Maine Mount Desert Island: Mount Desert Island E. F. Williams 1897-7-11
GH: 00626914 Leucanthemum vulgare Lamarck USA: New Hampshire Mount Washington E. F. Williams 1 1901-8-6
GH: 00626913 Leucanthemum vulgare Lamarck USA: New Hampshire Mount Washington E. F. Williams 2 1903-7-23
GH: 00626946 Leucanthemum vulgare Lamarck USA: Vermont Ripton: Ripton E. F. Williams 1908-7-4
NEBC: 00626947 Leucanthemum vulgare Lamarck USA: Vermont Ripton: Ripton E. F. Williams 1908-7-4
NEBC: 00626977 Leucanthemum vulgare Lamarck USA: Massachusetts Chestnut Hill [Boston/Brookline/Newton] E. F. Williams 1895-5-30
GH: 00718081 Leucanthemum vulgare Lamarck USA: Rhode Island Middletown: Middletown E. F. Williams 1908-5-30
NEBC: 00684914 Liatris scariosa novae-angliae Lunell USA: Massachusetts Newton: [no additional data] E. F. Williams 1893-9-18
NEBC: 00684755 Liatris scariosa novae-angliae Lunell USA: Massachusetts Boxford: Boxford E. F. Williams 1 1899-8-8
GH: 00734927 Liatris scariosa novae-angliae Lunell USA: Massachusetts Tewksbury: Tewksbury E. F. Williams 2 1899-9-24
GH: 00734928 Liatris scariosa novae-angliae Lunell USA: Massachusetts Dedham: Dedham E. F. Williams 1 1897-8-22
NEBC: 00734945 Liatris scariosa novae-angliae Lunell USA: Massachusetts Barnstable Town E. F. Williams 1896-9-6
NEBC: 00734952 Liatris scariosa novae-angliae Lunell USA: Massachusetts Barnstable Town E. F. Williams 1897-9-12
NEBC: 00734954 Liatris scariosa novae-angliae Lunell USA: Massachusetts Bourne: Bourne E. F. Williams 2 1901-9-15
NEBC: 00684855 Liatris scariosa novae-angliae Lunell USA: Massachusetts Nantucket: Nantucket E. F. Williams 1894-9-8
GH: 00718221 Matricaria discoidea de Candolle USA: Maine Portland: Portland E. F. Williams 1910-8-3
GH: 00718239 Matricaria discoidea de Candolle USA: New Hampshire Rye: Rye E. F. Williams 1903-6-14
GH: 00718300 Matricaria discoidea de Candolle USA: Rhode Island Newport: Newport E. F. Williams 1908-9-12
NEBC: 00359802 Mikania scandens (Linnaeus) Willdenow USA: Massachusetts Boston: Stony Brook Reservation [Hyde Park/W... E. F. Williams 1896-8-23
NEBC: 00359803 Mikania scandens (Linnaeus) Willdenow USA: Massachusetts Boston: Stony Brook Reservation [Hyde Park/W... E. F. Williams 1896-8-23
GH: 01019262 Mikania scandens (Linnaeus) Willdenow USA: Massachusetts Rowley: Rowley E. F. Williams 1906-9-3
NEBC: 01019263 Mikania scandens (Linnaeus) Willdenow USA: Massachusetts Topsfield: Topsfield E. F. Williams 1903-8-23
GH: 00575216 Nabalus albus (Linnaeus) Hooker USA: Massachusetts Concord: Concord E. F. Williams 1898-8-28
GH: 00575225 Nabalus albus (Linnaeus) Hooker USA: Massachusetts Newton: Newton, near Riverside rapids E. F. Williams 1897-9-5
GH: 00575226 Nabalus albus (Linnaeus) Hooker USA: Massachusetts Newton: Newton, near Riverside rapids E. F. Williams 1897-9-5
NEBC: 00575244 Nabalus albus (Linnaeus) Hooker USA: Massachusetts Wellesley: Wellesley E. F. Williams 1897-8-29
GH: 00502497 Nabalus boottii de Candolle USA: New Hampshire Mt. Washington E. F. Williams 1901-8-4
NEBC: 00502502 Nabalus boottii de Candolle USA: New Hampshire Mt. Washington E. F. Williams 1896-8-7
NEBC: 00502515 Nabalus boottii de Candolle USA: Vermont Mt. Mansfield E. F. Williams 1897-7-4
NEBC: 00502498 Nabalus boottii de Candolle USA: New Hampshire Mt. Washington E. F. Williams 1901-8-6
NEBC: 00502483 Nabalus boottii de Candolle USA: New Hampshire Mt. Washington: Great Gulf E. F. Williams 1893-7-11
GH: 02530430 Nabalus racemosus (Michaux) de Candolle USA: Maine Fort Kent: On the St. John E. F. Williams 1901-8-10
GH: 00680499 Nabalus serpentarius (Pursh) Hooker USA: Massachusetts Dedham: Dedham E. F. Williams 1901-10-6
NEBC: 00680512 Nabalus serpentarius (Pursh) Hooker USA: Massachusetts Westwood: Westwood E. F. Williams 1901-10-6
GH: 00680529 Nabalus serpentarius (Pursh) Hooker USA: Rhode Island Rumford E. F. Williams 1903-9-6
NEBC: 00443444 Nabalus trifoliolatus Cassini USA: Massachusetts Newton: Hammond pond, Chestnut Hill E. F. Williams 1895-11-3
NEBC: 00443445 Nabalus trifoliolatus Cassini USA: Massachusetts Boston: Stony Brook Reservation [Hyde Park/W... E. F. Williams 1896-9-13
NEBC: 00443446 Nabalus trifoliolatus Cassini USA: Massachusetts Boston: Stony Brook Reservation [Hyde Park/W... E. F. Williams 1896-9-13
NEBC: 01069074 Nabalus trifoliolatus Cassini USA: Massachusetts Wilmington E. F. Williams 1900-8-26
NEBC: 01020628 Oclemena acuminata (Michaux) Greene USA: Massachusetts Lincoln E. F. Williams 1902-10-5
GH: 00002822 Oclemena acuminata (Michaux) Greene USA: Massachusetts Lincoln: E. F. Williams 1902-10-5
NEBC: 00359441 Oclemena nemoralis (Aiton) Greene USA: Massachusetts Blue Hills Reservn. E. F. Williams 1895-9-22
GH: 00359875 Oclemena nemoralis (Aiton) Greene USA: Massachusetts Milton: Houghtons Pond, Blue Hills Reservati... E. F. Williams 1895-9-22
GH: 01015672 Oclemena nemoralis (Aiton) Greene USA: Massachusetts Tewksbury: Round Pond, Tewksbury E. F. Williams 1 1902-9-1
NEBC: 01015673 Oclemena nemoralis (Aiton) Greene USA: Massachusetts Tewksbury: Round Pond, Tewksbury E. F. Williams 1 1899-10-8
NEBC: 00725901 Omalotheca supina (Linnaeus) de Candolle USA: New Hampshire Mount Washington E. F. Williams 1896-8-7
NEBC: 00441125 Omalotheca supina (Linnaeus) de Candolle USA: New Hampshire Mount Washington E. F. Williams 1895-7-11
NEBC: 00725905 Omalotheca supina (Linnaeus) de Candolle USA: New Hampshire Mount Washington E. F. Williams 3 1893-7-30
NEBC: 00725910 Omalotheca supina (Linnaeus) de Candolle USA: New Hampshire Mount Washington E. F. Williams 1893-7-30
GH: 00576007 Onopordum acanthium Linnaeus USA: Massachusetts Georgetown: Georgetown E. F. Williams 1906-7-15
GH: 00576036 Onopordum acanthium Linnaeus USA: Rhode Island Lincoln: Lincoln, Lime Rock E. F. Williams 1910-10-2
NEBC: 00568789 Packera aurea (Linnaeus) A. Löve & D. Löve USA: Massachusetts Chestnut Hill E. F. Williams 1895-5-30
GH: 00011893 Packera aurea (Linnaeus) A. Löve & D. Löve USA: Massachusetts Tewksbury: [no additional data] E. F. Williams 1902-6-7
GH: 01008956 Packera obovata (Muhlenberg ex Willdenow) W. A. Weber & Á. Löve USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
GH: 00568728 Packera öve Á. Löve & D. Löve USA: Vermont Wallingford: Wallingford E. F. Williams 1908-5-25
NEBC: 00359729 Packera paupercula (Michaux) A. Löve & D. Löve USA: Massachusetts Milton: Blue Hill [Blue Hills Reservation] E. F. Williams 1895-6-9
GH: 00443336 Packera paupercula (Michaux) A. Löve & D. Löve USA: Massachusetts Blue Hill, Blue Hills Reservation E. F. Williams 1901-7-4
GH: 01028264 Packera paupercula (Michaux) A. Löve & D. Löve USA: Maine Mount Katahdin E. F. Williams 1900-7-16
GH: 01038770 Packera paupercula (Michaux) A. Löve & D. Löve USA: New Hampshire Walpole: Walpole E. F. Williams 1901-7-28
NEBC: 01038822 Packera schweinitziana (Nutt.) W.A. Weber & Á. Löve USA: Maine Fort Kent: Fort Kent E. F. Williams 1 1901-8-9
NEBC: 01038860 Packera schweinitziana (Nutt.) W.A. Weber & Á. Löve USA: Maine Middle Dam E. F. Williams 1903-8-2
GH: 01028327 Packera schweinitziana (Nutt.) W.A. Weber & Á. Löve USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-23
GH: 01028370 Packera schweinitziana (Nutt.) W.A. Weber & Á. Löve USA: New Hampshire Mount Moosilauke E. F. Williams 1907-7-30
GH: 01028393 Packera schweinitziana (Nutt.) W.A. Weber & Á. Löve USA: Vermont Willoughby E. F. Williams 1894-7-29
GH: 01028411 Packera schweinitziana (Nutt.) W.A. Weber & Á. Löve USA: Vermont Ripton: Ripton E. F. Williams 1908-7-3
GH: 01017558 Petasites frigidus palmatus (Aiton) Cronquist USA: Massachusetts Franklin: Franklin E. F. Williams 1897-6-17
NEBC: 00637214 Picris hieracioides Linnaeus USA: Connecticut Lyme: Lyme E. F. Williams 1905-6-17
GH: 00637215 Picris hieracioides Linnaeus USA: Connecticut Lyme: Lyme E. F. Williams 1905-6-17
GH: 00011325 Pluchea camphorata (Linnaeus) de Candolle USA: Massachusetts Boston: Back Bay E. F. Williams 1910-9-17
NEBC: 01037139 Pluchea odorata succulenta (Fernald) Cronquist USA: Massachusetts Nahant: Nahant E. F. Williams 1894-9-16
NEBC: 01037150 Pluchea odorata succulenta (Fernald) Cronquist USA: Massachusetts Revere: Revere E. F. Williams 1896-8-22
NEBC: 01037184 Pluchea odorata succulenta (Fernald) Cronquist USA: Massachusetts Barnstable Town E. F. Williams 1898-9-5
GH: 00011325 Pluchea odorata succulenta (Fernald) Cronquist USA: Massachusetts Boston: Back Bay E. F. Williams 1910-9-17
GH: 00011325 Pluchea purpurascens succulenta Fernald USA: Massachusetts Boston: Back Bay E. F. Williams 1910-9-17
NEBC: 00443444 Prenanthes serpentaria Pursh USA: Massachusetts Newton: Hammond pond, Chestnut Hill E. F. Williams 1895-11-3
NEBC: 00443445 Prenanthes serpentaria Pursh USA: Massachusetts Boston: Stony Brook Reservation [Hyde Park/W... E. F. Williams 1896-9-13
NEBC: 00443444 Prenanthes trifoliolata (Cassini) Fernald USA: Massachusetts Newton: Hammond pond, Chestnut Hill E. F. Williams 1895-11-3
NEBC: 00443445 Prenanthes trifoliolata (Cassini) Fernald USA: Massachusetts Boston: Stony Brook Reservation [Hyde Park/W... E. F. Williams 1896-9-13
NEBC: 00443446 Prenanthes trifoliolata (Cassini) Fernald USA: Massachusetts Boston: Stony Brook Reservation [Hyde Park/W... E. F. Williams 1896-9-13
GH: 01066335 Pseudognaphalium macounii (Greene) Kartesz USA: Maine Wallagrass: Wallagrass E. F. Williams 1901-8-9
GH: 01066352 Pseudognaphalium macounii (Greene) Kartesz USA: Maine Bethel: Bethel E. F. Williams 1903-7-29
GH: 01066383 Pseudognaphalium macounii (Greene) Kartesz USA: New Hampshire Randolph: Randolph E. F. Williams 1896-8-3
GH: 01066730 Pseudognaphalium macounii (Greene) Kartesz USA: New Hampshire Randolph: Randolph E. F. Williams 1896-8-13
NEBC: 01066387 Pseudognaphalium macounii (Greene) Kartesz USA: New Hampshire Randolph: Randolph E. F. Williams 1896-8-13
NEBC: 01066402 Pseudognaphalium macounii (Greene) Kartesz USA: New Hampshire Randolph: Randolph E. F. Williams 1896-8-3
GH: 01066408 Pseudognaphalium macounii (Greene) Kartesz USA: New Hampshire Warren: Warren E. F. Williams 1910-7-31
NEBC: 01023209 Pseudognaphalium macounii (Greene) Kartesz USA: Massachusetts Burlington: Burlington gorge E. F. Williams 1900-8-26
GH: 01023210 Pseudognaphalium macounii (Greene) Kartesz USA: Massachusetts Burlington: Burlington gorge E. F. Williams 1900-8-26
NEBC: 00359695 Pseudognaphalium obtusifolium (Linnaeus) Hilliard & B. L. Burtt USA: Massachusetts Quincy: Rattlesnake hill, Blue Hills Reserva... E. F. Williams 1895-8-25
NEBC: 01023598 Pseudognaphalium obtusifolium (Linnaeus) Hilliard & B. L. Burtt USA: New Hampshire East Jaffrey E. F. Williams 1 1901-8-31
GH: 01023600 Pseudognaphalium obtusifolium (Linnaeus) Hilliard & B. L. Burtt USA: New Hampshire East Jaffrey E. F. Williams 1 1901-9-2
GH: 01023601 Pseudognaphalium obtusifolium (Linnaeus) Hilliard & B. L. Burtt USA: New Hampshire Newcastle E. F. Williams 2 1901-9-19
GH: 01023639 Pseudognaphalium obtusifolium (Linnaeus) Hilliard & B. L. Burtt USA: Massachusetts Rockport: Rockport E. F. Williams 1898-8-14
NEBC: 01023664 Pseudognaphalium obtusifolium (Linnaeus) Hilliard & B. L. Burtt USA: Massachusetts Weston: Weston E. F. Williams 1895-9-29
GH: 01023700 Pseudognaphalium obtusifolium (Linnaeus) Hilliard & B. L. Burtt USA: Massachusetts Bourne: Bourne E. F. Williams 1901-9-15
GH: 01023746 Pseudognaphalium obtusifolium (Linnaeus) Hilliard & B. L. Burtt USA: Rhode Island Rumford E. F. Williams 1903-9-6
GH: 01023748 Pseudognaphalium obtusifolium (Linnaeus) Hilliard & B. L. Burtt USA: Rhode Island Middletown: Middletown E. F. Williams 1908-9-12
GH: 00535995 Rudbeckia hirta Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-23
GH: 00626029 Rudbeckia hirta Linnaeus USA: Rhode Island Middletown: Middletown E. F. Williams 1909-7-3
GH: 00637020 Rudbeckia hirta pulcherrima Farwell USA: Vermont Willoughby E. F. Williams 1896-7-20
NEBC: 00637073 Rudbeckia hirta pulcherrima Farwell USA: Massachusetts Milton: Milton E. F. Williams 1895-6-30
GH: 00675108 Rudbeckia laciniata Linnaeus USA: New Hampshire Alstead: Alstead E. F. Williams 1901-7-27
NEBC: 00675109 Rudbeckia laciniata Linnaeus USA: New Hampshire Alstead: Alstead E. F. Williams 1901-7-27
GH: 00675120 Rudbeckia laciniata Linnaeus USA: Vermont East Middlebury E. F. Williams 1908-7-14
GH: 00735561 Rudbeckia laciniata Linnaeus USA: Massachusetts Boxford: Boxford E. F. Williams 1906-8-19
NEBC: 00718390 Scorzoneroides autumnalis (Linnaeus) Moench USA: Maine Mount Desert Island: Mount Desert Island E. F. Williams 1899-7-22
NEBC: 00718448 Scorzoneroides autumnalis (Linnaeus) Moench USA: New Hampshire Hampton: Hampton E. F. Williams 1901-9-22
GH: 00718472 Scorzoneroides autumnalis (Linnaeus) Moench USA: Massachusetts Manchester: Manchester E. F. Williams 1895-8-17
NEBC: 00718498 Scorzoneroides autumnalis (Linnaeus) Moench USA: Massachusetts Woburn: Woburn E. F. Williams 1895-9-1
NEBC: 00718529 Scorzoneroides autumnalis (Linnaeus) Moench USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-21
NEBC: 00718549 Scorzoneroides autumnalis (Linnaeus) Moench USA: Rhode Island Tiverton: Tiverton E. F. Williams 1903-9-27
GH: 00718591 Scorzoneroides autumnalis borealis (Ball) Greuter USA: Maine Cranberry Isles: Cranberry Isles E. F. Williams 1899-7-20
GH: 00011893 Senecio aureus Linnaeus USA: Massachusetts Tewksbury: [no additional data] E. F. Williams 1902-6-7
GH: 00011893 Senecio aureus intercursus Fernald USA: Massachusetts Tewksbury: [no additional data] E. F. Williams 1902-6-7
NEBC: 00359729 Senecio aureus balsamitae (Muhlenberg ex Willdenow) Torrey & A. Gray USA: Massachusetts Milton: Blue Hill [Blue Hills Reservation] E. F. Williams 1895-6-9
NEBC: 00359729 Senecio balsamitae praelongus Greenman USA: Massachusetts Milton: Blue Hill [Blue Hills Reservation] E. F. Williams 1895-6-9
GH: 00443336 Senecio balsamitae praelongus Greenman USA: Massachusetts Blue Hill, Blue Hills Reservation E. F. Williams 1901-7-4
NEBC: 00359729 Senecio pauperculus praelongus (Greenman) House USA: Massachusetts Milton: Blue Hill [Blue Hills Reservation] E. F. Williams 1895-6-9
GH: 00735207 Senecio sylvaticus Linnaeus USA: Maine Cranberry Isles: Cranberry Isles E. F. Williams 1899-7-20
GH: 00735209 Senecio sylvaticus Linnaeus USA: Maine Cranberry Isles: Cranberry Isles E. F. Williams 1897-7-17
NEBC: 00359559 Sericocarpus asteroides (Linnaeus) Britton, Sterns & Poggenburg USA: Massachusetts Blue Hills Reservn. E. F. Williams 1895-8-11
NEBC: 01079851 Sericocarpus asteroides (Linnaeus) Britton, Sterns & Poggenburg USA: Massachusetts Gloucester: Gloucester E. F. Williams 1897-8-15
NEBC: 01079860 Sericocarpus asteroides (Linnaeus) Britton, Sterns & Poggenburg USA: Massachusetts Rowley: Rowley E. F. Williams 1906-8-15
GH: 01079904 Sericocarpus asteroides (Linnaeus) Britton, Sterns & Poggenburg USA: Rhode Island Cumberland: Cumberland E. F. Williams 1903-9-13
NEBC: 00359559 Sericocarpus conyzoides Nees USA: Massachusetts Blue Hills Reservn. E. F. Williams 1895-8-11
GH: 00359562 Sericocarpus linifolius (Linnaeus) Britton, Stearn & Poggenburg USA: Massachusetts Blue Hill, Blue Hills Reservation E. F. Williams 1895-9-22
NEBC: 00359955 Sericocarpus linifolius (Linnaeus) Britton, Stearn & Poggenburg USA: Massachusetts Norwood: Edge of Purgatory Swamp E. F. Williams 1894-8-26
NEBC: 00359956 Sericocarpus linifolius (Linnaeus) Britton, Stearn & Poggenburg USA: Massachusetts Summit of Blue Hill [Blue Hills Reservation] E. F. Williams 1893-10-1
GH: 01077118 Sericocarpus linifolius (Linnaeus) Britton, Stearn & Poggenburg USA: Massachusetts Framingham: Framingham E. F. Williams 1901-7-7
NEBC: 01077029 Sericocarpus linifolius (Linnaeus) Britton, Stearn & Poggenburg USA: Massachusetts Falmouth: Falmouth E. F. Williams 1911-7-6
NEBC: 01077048 Sericocarpus linifolius (Linnaeus) Britton, Stearn & Poggenburg USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-22
GH: 00359562 Sericocarpus solidagineus (Michaux) Nees USA: Massachusetts Blue Hill, Blue Hills Reservation E. F. Williams 1895-9-22
NEBC: 00359956 Sericocarpus solidagineus (Michaux) Nees USA: Massachusetts Summit of Blue Hill [Blue Hills Reservation] E. F. Williams 1893-10-1
GH: 00578920 Silphium perfoliatum Linnaeus USA: Massachusetts Boston: Boston, edge of Back Bay Fens E. F. Williams 1900-8-24
GH: 01055233 Solidago altissima Linnaeus USA: Massachusetts Nantucket: Nantucket E. F. Williams 1894-9-8
GH: 01054013 Solidago altissima Linnaeus USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2
GH: 01052929 Solidago arguta Aiton USA: New Hampshire Crawfords E. F. Williams 1894-7-19
NEBC: 01052949 Solidago arguta Aiton USA: New Hampshire Franconia: near the Profile Hse. [House] far... E. F. Williams 1894-8-4
GH: 01077328 Solidago arguta Aiton USA: Rhode Island Cumberland: Cumberland E. F. Williams 1903-9-13
NEBC: 01054097 Solidago asperula Desfontaines USA: Massachusetts Revere: Revere E. F. Williams 1894-9-16
GH: 00553107 Solidago bicolor Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1908-7-28
GH: 00553108 Solidago bicolor Linnaeus USA: New Hampshire North Woodstock E. F. Williams 1908-8-6
GH: 00553205 Solidago bicolor Linnaeus USA: Massachusetts Boston: Boston, Fanueil near B. & A. R.R. tr... E. F. Williams 1893-9-30
NEBC: 00553211 Solidago bicolor Linnaeus USA: Massachusetts Canton: Canton E. F. Williams 1893-10-1
GH: 00553225 Solidago bicolor Linnaeus USA: Massachusetts Scituate: Scituate E. F. Williams 1893-9-17
NEBC: 00553210 Solidago bicolor Linnaeus USA: Massachusetts Blue Hills E. F. Williams 1895-10-27
GH: 00553287 Solidago bicolor Linnaeus USA: Rhode Island Cumberland: Cumberland E. F. Williams 1903-9-13
NEBC: 01054196 Solidago caesia Linnaeus USA: Massachusetts Arlington: Arlington E. F. Williams 1894-9-30
NEBC: 01054197 Solidago caesia Linnaeus USA: Massachusetts Blue Hills Reservation E. F. Williams 1895-10-27
GH: 01054223 Solidago caesia Linnaeus USA: Massachusetts Waltham: Waltham, Prospect Hill E. F. Williams 1893-10-15
NEBC: 01054250 Solidago caesia Linnaeus USA: Massachusetts Wellesley: Wellesley E. F. Williams 1899-10-1
NEBC: 01054252 Solidago caesia Linnaeus USA: Massachusetts Wellesley: Wellesley E. F. Williams 1899-10-1
NEBC: 01077513 Solidago caesia Linnaeus USA: Rhode Island Cumberland: Cumberland E. F. Williams 1903-9-13
GH: 01077539 Solidago canadensis Linnaeus USA: Maine Middle Dam E. F. Williams 1903-8-2
NEBC: 01054378 Solidago canadensis Linnaeus USA: New Hampshire Franconia: Franconia, near Profile House far... E. F. Williams 1894-8-4
GH: 01054383 Solidago canadensis Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1910-7-28
GH: 01054384 Solidago canadensis Linnaeus USA: New Hampshire Wentworth: Wentworth E. F. Williams 1908-8-1
GH: 01062455 Solidago canadensis Linnaeus USA: Vermont Rockingham: Rockingham E. F. Williams
GH: 01055380 Solidago flexicaulis Linnaeus USA: Maine Mount Desert Island E. F. Williams 1893-9-3
GH: 01055532 Solidago flexicaulis Linnaeus USA: Massachusetts Woburn: Woburn, Shaker Glen E. F. Williams 1895-9-1
NEBC: 01055538 Solidago flexicaulis Linnaeus USA: Massachusetts Wellesley: Wellesley E. F. Williams 1899-10-1
GH: 01062893 Solidago flexicaulis Linnaeus USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2
NEBC: 00359607 Solidago gigantea Aiton USA: Massachusetts Quincy: W. of Dome, Blue Hills Reservation E. F. Williams 1895-9-2
GH: 01055584 Solidago gigantea Aiton USA: New Hampshire Haverhill: Haverhill E. F. Williams 1908
GH: 01054472 Solidago gigantea Aiton USA: Massachusetts Woburn: Woburn, Shaker Glen E. F. Williams 1894-9-2
NEBC: 01054487 Solidago gigantea Aiton USA: Massachusetts Canton: Canton E. F. Williams 1895-9-8
GH: 01054533 Solidago gigantea Aiton USA: Massachusetts Conway: Conway E. F. Williams 1909-8-6
GH: 01054567 Solidago gigantea Aiton USA: Rhode Island Cumberland: Cumberland E. F. Williams 1903-9-13
NEBC: 01054568 Solidago gigantea Aiton USA: Rhode Island Cumberland: Cumberland E. F. Williams 1903-9-13
GH: 01054580 Solidago hispida Muhlenberg ex Willdenow USA: Maine Fort Kent: Fort Kent E. F. Williams 1900-7-23
GH: 01054581 Solidago hispida Muhlenberg ex Willdenow USA: Maine Fort Kent: Fort Kent E. F. Williams 1900-7-21
NEBC: 01054651 Solidago hispida Muhlenberg ex Willdenow USA: Vermont Willoughby E. F. Williams 1894-7-27
NEBC: 01054652 Solidago hispida Muhlenberg ex Willdenow USA: Vermont Willoughby E. F. Williams 1896-7-26
GH: 01054714 Solidago juncea Aiton USA: New Hampshire Seabrook: Seabrook E. F. Williams 1898-8-7
GH: 01054726 Solidago juncea Aiton USA: Vermont Newbury: Newbury E. F. Williams 1894-8-3
GH: 01054773 Solidago juncea Aiton USA: Massachusetts Reading: Reading E. F. Williams
GH: 01054779 Solidago juncea Aiton USA: Massachusetts Revere: Revere E. F. Williams 1894-8-19
GH: 01054787 Solidago juncea Aiton USA: Massachusetts Dedham: Dedham E. F. Williams 1897-8-22
GH: 01054841 Solidago juncea Aiton USA: Massachusetts Colrain: Colrain E. F. Williams 1909-8-4
NEBC: 01056114 Solidago latissimifolia Miller USA: Massachusetts Boston: Hyde Park, Readville, near race cour... E. F. Williams 1895-9-8
NEBC: 00725991 Solidago leiocarpa de Candolle USA: New Hampshire Thompson and Meserves E. F. Williams 1896-8-6
NEBC: 00725990 Solidago leiocarpa de Candolle USA: New Hampshire Thompson and Meserves E. F. Williams 1897-8-8
NEBC: 00725995 Solidago leiocarpa de Candolle USA: New Hampshire Thompson and Meserves E. F. Williams 1 1893-7-31
NEBC: 00725994 Solidago leiocarpa de Candolle USA: New Hampshire Hart's Location: Hart's Location E. F. Williams 2 1893-7-13
GH: 01054935 Solidago macrophylla Pursh USA: Maine Madawaska Lake E. F. Williams 1 1900-8-2
GH: 01054970 Solidago macrophylla Pursh USA: Maine Middle Dam E. F. Williams 1903-8-2
NEBC: 01054992 Solidago macrophylla Pursh USA: New Hampshire Mount Washington E. F. Williams 1896-8-7
NEBC: 01054993 Solidago macrophylla Pursh USA: New Hampshire Mount Washington E. F. Williams 1896-8-6
NEBC: 01077782 Solidago macrophylla Pursh USA: New Hampshire Mount Lafayette E. F. Williams 1894-8-5
GH: 01077784 Solidago macrophylla Pursh USA: New Hampshire Mount Moosilauke E. F. Williams 1907-7-30
NEBC: 01077785 Solidago macrophylla Pursh USA: New Hampshire Franconia: Profile House E. F. Williams 1894-8-4
NEBC: 01077791 Solidago macrophylla Pursh USA: New Hampshire Mount Monadnock E. F. Williams 1901-9-2
NEBC: 00359649 Solidago neglecta Torrey & A. Gray USA: Massachusetts Cedar swamp, Blue Hills Reserv. E. F. Williams 1895-8-25
NEBC: 00359631 Solidago nemoralis Aiton USA: Massachusetts Blue Hills Reserv. Near Gardner's swamp E. F. Williams 1894-9-23
GH: 01063256 Solidago nemoralis Aiton USA: New Hampshire Warren: Warren E. F. Williams 1908-7-27
GH: 01063257 Solidago nemoralis Aiton USA: New Hampshire Wentworth: Wentworth E. F. Williams 1908-8-1
GH: 01063330 Solidago nemoralis Aiton USA: Massachusetts Rockport: Rockport E. F. Williams 1893-9-25
NEBC: 01063355 Solidago nemoralis Aiton USA: Massachusetts Wayland: Wayland E. F. Williams 1893-9-10
GH: 01063375 Solidago nemoralis Aiton USA: Massachusetts Sharon: Sharon E. F. Williams 1897-10-17
GH: 01063400 Solidago nemoralis Aiton USA: Rhode Island Rumford E. F. Williams 1903-9-6
GH: 00359635 Solidago odora Aiton USA: Massachusetts Quincy: Blue Hills Reservation, Chickatawbut... E. F. Williams 1895-10-27
GH: 00359636 Solidago odora Aiton USA: Massachusetts Blue Hills Reservation E. F. Williams 1895-8-25
GH: 00359637 Solidago odora Aiton USA: Massachusetts Blue Hills Reservation E. F. Williams 1894-9-3
GH: 01064413 Solidago puberula Nuttall USA: Massachusetts Nantucket: Nantucket E. F. Williams 1903-9-19
GH: 01063520 Solidago puberula Nuttall USA: Massachusetts Rockport: Rockport E. F. Williams 1893-9-24
NEBC: 01063534 Solidago puberula Nuttall USA: Massachusetts Concord: Concord, Lowell R.R. [Railroad] tra... E. F. Williams 1896-9-27
GH: 01064350 Solidago puberula Nuttall USA: Massachusetts Melrose: Melrose Highland E. F. Williams 1888
NEBC: 00359643 Solidago rugosa Miller USA: Massachusetts Gardner's Swamp, Blue Hills [Reservation] E. F. Williams 1894-9-23
GH: 00501060 Solidago rugosa Miller USA: Massachusetts Blue Hills Reservation E. F. Williams 1895-10-27
GH: 00501306 Solidago rugosa Miller USA: Rhode Island Rumford E. F. Williams 1903-9-6
NEBC: 00359643 Solidago rugosa aspera (Aiton) Cronquist USA: Massachusetts Gardner's Swamp, Blue Hills [Reservation] E. F. Williams 1894-9-23
GH: 01064514 Solidago sempervirens Linnaeus USA: Maine Mount Desert (Hancock County): Mount Desert E. F. Williams 1910-8-6
GH: 01064553 Solidago sempervirens Linnaeus USA: New Hampshire Newcastle E. F. Williams 1901-9-19
GH: 01064613 Solidago sempervirens Linnaeus USA: Massachusetts Barnstable Town E. F. Williams 1897-9-12
NEBC: 01064649 Solidago sempervirens Linnaeus USA: Rhode Island Tiverton: Tiverton E. F. Williams 1903-9-27
NEBC: 01064670 Solidago sempervirens mexicana (Linnaeus) Fernald USA: Massachusetts Barnstable Town E. F. Williams 1897-9-12
NEBC: 00359607 Solidago serotina gigantea (Aiton) A. Gray USA: Massachusetts Quincy: W. of Dome, Blue Hills Reservation E. F. Williams 1895-9-2
GH: 01064705 Solidago simplex randii (Porter) G. S. Ringius USA: Vermont Willoughby Mountain E. F. Williams 1894-7-31
GH: 01064728 Solidago speciosa Nuttall USA: Massachusetts Wellesley: Wellesley E. F. Williams 1899-10-1
NEBC: 01056808 Solidago squarrosa Nuttall USA: New Hampshire Franconia: Bull Mt. E. F. Williams 1908-8-7
NEBC: 00359649 Solidago uliginosa Nuttall USA: Massachusetts Cedar swamp, Blue Hills Reserv. E. F. Williams 1895-8-25
GH: 01056843 Solidago uliginosa Nuttall USA: Maine Fort Kent: Fort Kent E. F. Williams 1901-8-10
GH: 01056849 Solidago uliginosa Nuttall USA: Maine New Sweden: New Sweden E. F. Williams 1900-8-2
GH: 01056980 Solidago uliginosa Nuttall USA: Massachusetts Boxford: Boxford E. F. Williams 1906-8-19
NEBC: 01056981 Solidago uliginosa Nuttall USA: Massachusetts Boxford: Boxford E. F. Williams 1899-8-6
NEBC: 01063893 Solidago uliginosa Nuttall USA: Massachusetts Canton: Canton E. F. Williams 1893-10-1
GH: 00718887 Solidago ulmifolia Muhlenberg USA: Massachusetts Waltham: Waltham, Feake's hill [Mount Feake] E. F. Williams 1898-11-13
NEBC: 00718889 Solidago ulmifolia Muhlenberg USA: Massachusetts Winchester: Winchester, by Winter Pond E. F. Williams 1894-9-2
GH: 00685169 Solidago ulmifolia Muhlenberg USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2
NEBC: 00626243 Sonchus arvensis Linnaeus USA: Maine Fort Kent: Fort Kent E. F. Williams 1900-8-2
GH: 00626276 Sonchus arvensis Linnaeus USA: Maine Portland: Portland E. F. Williams 1910-8-3
GH: 00637232 Sonchus arvensis Linnaeus USA: Massachusetts Concord: Concord, Wheeler place E. F. Williams 1908-8-31
GH: 00637243 Sonchus arvensis Linnaeus USA: Massachusetts Revere: Revere E. F. Williams 1896-8-30
GH: 00637298 Sonchus arvensis Linnaeus USA: New Hampshire North Woodstock E. F. Williams 1908-8-6
GH: 00637305 Sonchus arvensis Linnaeus USA: New Hampshire Portsmouth: Portsmouth E. F. Williams 1899-7-31
NEBC: 00637263 Sonchus arvensis Linnaeus USA: Massachusetts Plymouth: Plymouth E. F. Williams 1910-9-11
GH: 00637375 Sonchus asper (Linnaeus) Hill USA: Maine Mount Desert Island: Mount Desert Island E. F. Williams 2 1899-7-17
GH: 00637376 Sonchus asper (Linnaeus) Hill USA: Maine Cranberry Isles: Cranberry Isles E. F. Williams 1 1899-7-24
GH: 00637420 Sonchus asper (Linnaeus) Hill USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-9
GH: 00637421 Sonchus asper (Linnaeus) Hill USA: New Hampshire Warren: Warren E. F. Williams 1908-7-24
GH: 00637463 Sonchus asper (Linnaeus) Hill USA: Massachusetts Revere: Revere E. F. Williams 1896-8-22
GH: 00637540 Sonchus oleraceus Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-15
GH: 00637541 Sonchus oleraceus Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-15
NEBC: 00637576 Sonchus oleraceus Linnaeus USA: Massachusetts Boston: Boston, Westland Ave. E. F. Williams 1896-8-28
GH: 00637580 Sonchus oleraceus Linnaeus USA: Massachusetts Milton: Milton E. F. Williams 1903-9-29
GH: 00637611 Sonchus oleraceus Linnaeus USA: Rhode Island Newport: Newport E. F. Williams 1908-9-12
NEBC: 00705213 Symphyotrichum anticostense (Fernald) G. L. Nesom USA: Maine Fort Fairfield: Fort Fairfield E. F. Williams 1902-8-15
NEBC: 00705229 Symphyotrichum concolor (Linnaeus) G. L. Nesom USA: Massachusetts Nantucket: Nantucket E. F. Williams 1903-9-20
NEBC: 01020890 Symphyotrichum cordifolium (Linnaeus) G. L. Nesom USA: Massachusetts Boston: Brighton, Faneuil [Village] E. F. Williams 1893-9-20
GH: 00359823 Symphyotrichum dumosum (Linnaeus) G. L. Nesom USA: Massachusetts Canton: Base of Big Blue Hill on Blue Hill A... E. F. Williams 1893-10-1
GH: 00692216 Symphyotrichum laeve (Linnaeus) A. Löve & D. Löve USA: Massachusetts Acton: South Acton E. F. Williams 1908-9-6
NEBC: 00692242 Symphyotrichum laeve (Linnaeus) A. Löve & D. Löve USA: Massachusetts Wayland: Wayland E. F. Williams 1893-9-10
GH: 00359421 Symphyotrichum lateriflorum (Linnaeus) Á. Löve & D. Löve USA: Massachusetts Quincy: near Babel rock, Blue Hills Reservat... E. F. Williams 1895-9-2
NEBC: 00697252 Symphyotrichum lateriflorum (Linnaeus) Á. Löve & D. Löve USA: Massachusetts Milton: Milton E. F. Williams 1893-10-1
GH: 00697260 Symphyotrichum lateriflorum (Linnaeus) Á. Löve & D. Löve USA: Massachusetts Bridgewater: Bridgewater E. F. Williams
NEBC: 00359442 Symphyotrichum novae-angliae (Linnaeus) G. L. Nesom USA: Massachusetts Canton: Western Base Big Blue Hill [Blue Hil... E. F. Williams 1893-10-1
NEBC: 00697332 Symphyotrichum novae-angliae (Linnaeus) G. L. Nesom USA: Massachusetts Danvers: Danvers E. F. Williams
GH: 00697355 Symphyotrichum novae-angliae (Linnaeus) G. L. Nesom USA: Massachusetts Winchester: Winchester E. F. Williams 1897-10-10
NEBC: 00719644 Symphyotrichum novae-angliae (Linnaeus) G. L. Nesom USA: Massachusetts Boston: Brighton, at Faneuil [Village] E. F. Williams 1893-9-20
GH: 00719680 Symphyotrichum novae-angliae (Linnaeus) G. L. Nesom USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2
GH: 00832376 Symphyotrichum novi-belgii (Linnaeus) G. L. Nesom USA: Maine Middle Dam E. F. Williams 1903-8-2
NEBC: 00719744 Symphyotrichum novi-belgii (Linnaeus) G. L. Nesom USA: Maine Cranberry Isles: Cranberry Isles E. F. Williams 1 1899-7-24
NEBC: 01031124 Symphyotrichum novi-belgii (Linnaeus) G. L. Nesom USA: New Hampshire Sargents E. F. Williams 1896-8-8
GH: 01031133 Symphyotrichum novi-belgii (Linnaeus) G. L. Nesom USA: New Hampshire Sargents E. F. Williams 1896-8-8
GH: 01031182 Symphyotrichum novi-belgii (Linnaeus) G. L. Nesom USA: New Hampshire Peterborough: Peterborough E. F. Williams 1901-9-2
NEBC: 01031245 Symphyotrichum novi-belgii (Linnaeus) G. L. Nesom USA: Massachusetts Rockport: Rockport E. F. Williams 1893-9-24
NEBC: 00697516 Symphyotrichum novi-belgii (Linnaeus) G. L. Nesom USA: Massachusetts Lexington: Lexington E. F. Williams 1893-10-1
NEBC: 00697532 Symphyotrichum novi-belgii (Linnaeus) G. L. Nesom USA: Massachusetts Weston: Weston, near Stony Brook Station E. F. Williams 1895-9-29
GH: 00697538 Symphyotrichum novi-belgii (Linnaeus) G. L. Nesom USA: Massachusetts Boston: Brighton, Faneuil [Village] E. F. Williams 1893-9-20
GH: 00697541 Symphyotrichum novi-belgii (Linnaeus) G. L. Nesom USA: Massachusetts Boston: Boston, Beacon St. E. F. Williams 1893-9-30
NEBC: 00697545 Symphyotrichum novi-belgii (Linnaeus) G. L. Nesom USA: Massachusetts Boston: Brighton, Faneuil [Village] E. F. Williams 1893-9-20
NEBC: 00697556 Symphyotrichum novi-belgii (Linnaeus) G. L. Nesom USA: Massachusetts Boston: Boston, c. [corner] Beacon St. & Com... E. F. Williams 1893-9-30
NEBC: 00697559 Symphyotrichum novi-belgii (Linnaeus) G. L. Nesom USA: Massachusetts Boston: Brighton, Faneuil [Village] E. F. Williams 1893-9-20
NEBC: 01031254 Symphyotrichum novi-belgii (Linnaeus) G. L. Nesom USA: Massachusetts Canton: Canton E. F. Williams 1 1900-9-23
GH: 01031292 Symphyotrichum novi-belgii (Linnaeus) G. L. Nesom USA: Massachusetts Scituate: Scituate E. F. Williams 1893-9-17
GH: 01031331 Symphyotrichum novi-belgii (Linnaeus) G. L. Nesom USA: Massachusetts Nantucket: Nantucket E. F. Williams 1 1903-9-19
GH: 01031370 Symphyotrichum novi-belgii (Linnaeus) G. L. Nesom USA: Rhode Island E. F. Williams 9
GH: 00872219 Symphyotrichum öve (Torr. & A. Gray)Á. Löve & D. Löve USA: Maine Crystal: Caribou bog. Crystal E. F. Williams 1901-8-19
GH: 00574584 Symphyotrichum patens (Aiton) G. L. Nesom USA: Massachusetts Concord: Concord, Fairhaven bay [Sudbury RIv... E. F. Williams 1893-10-8
GH: 00574596 Symphyotrichum patens (Aiton) G. L. Nesom USA: Massachusetts Waltham: Waltham, Feake's hill [Mount Feake] E. F. Williams 1898-11-13
NEBC: 00574597 Symphyotrichum patens (Aiton) G. L. Nesom USA: Massachusetts Wayland: Wayland E. F. Williams 1893-9-10
NEBC: 00574599 Symphyotrichum patens (Aiton) G. L. Nesom USA: Massachusetts Weston: Weston E. F. Williams 1895-9-29
NEBC: 00574615 Symphyotrichum patens (Aiton) G. L. Nesom USA: Massachusetts Sharon: Sharon E. F. Williams 1901-9-7
GH: 00574668 Symphyotrichum patens (Aiton) G. L. Nesom USA: Massachusetts Nantucket: Nantucket E. F. Williams 1903-9-19
NEBC: 00574677 Symphyotrichum patens (Aiton) G. L. Nesom USA: Rhode Island Cumberland: Cumberland E. F. Williams 1903-9-13
NEBC: 01031415 Symphyotrichum pilosum (Willdenow) G. L. Nesom USA: Massachusetts Bourne: Bourne E. F. Williams 1901-9-15
NEBC: 01031472 Symphyotrichum pilosum pringlei (A. Gray) G. L. Nesom USA: Vermont Willoughby E. F. Williams 1894-7-25
NEBC: 01031540 Symphyotrichum pilosum pringlei (A. Gray) G. L. Nesom USA: Massachusetts Weston: Weston, near Stony Brook R.R. [Railr... E. F. Williams 1895-9-29
GH: 01031541 Symphyotrichum pilosum pringlei (A. Gray) G. L. Nesom USA: Massachusetts Weston: Weston, near Stony Brook R.R. [Railr... E. F. Williams 1895-9-29
NEBC: 01031542 Symphyotrichum pilosum pringlei (A. Gray) G. L. Nesom USA: Massachusetts Weston: Weston E. F. Williams 1895-9-29
GH: 01031545 Symphyotrichum pilosum pringlei (A. Gray) G. L. Nesom USA: Massachusetts Woburn: Woburn, by Horn Pond E. F. Williams 1896-10-11
NEBC: 01031546 Symphyotrichum pilosum pringlei (A. Gray) G. L. Nesom USA: Massachusetts Woburn: Woburn E. F. Williams 1896-10-11
NEBC: 01031575 Symphyotrichum pilosum pringlei (A. Gray) G. L. Nesom USA: Massachusetts Plymouth: Plymouth E. F. Williams 1898-8-21
GH: 01031599 Symphyotrichum pilosum pringlei (A. Gray) G. L. Nesom USA: Massachusetts Barnstable Town E. F. Williams 1898-9-5
NEBC: 01031738 Symphyotrichum puniceum (Linnaeus) Á. Löve & D. Löve USA: Maine Middle Dam E. F. Williams 1903-8-2
NEBC: 00832457 Symphyotrichum puniceum (Linnaeus) Á. Löve & D. Löve USA: New Hampshire Mount Washington E. F. Williams 1901-8-6
GH: 00832462 Symphyotrichum puniceum (Linnaeus) Á. Löve & D. Löve USA: New Hampshire Mount Washington E. F. Williams 1 1901-8-6
NEBC: 01031832 Symphyotrichum puniceum (Linnaeus) Á. Löve & D. Löve USA: Massachusetts Lexington: Lexington E. F. Williams 1893-10-15
GH: 01031893 Symphyotrichum puniceum (Linnaeus) Á. Löve & D. Löve USA: Massachusetts Wellesley: Wellesley E. F. Williams 1899-10-1
GH: 00832879 Symphyotrichum racemosum (Elliott) G. L. Nesom USA: Maine Livermore Falls: Livermore Falls E. F. Williams
GH: 01014464 Symphyotrichum racemosum (Elliott) G. L. Nesom USA: Massachusetts Weston: Weston E. F. Williams 1895-9-29
NEBC: 01014470 Symphyotrichum racemosum (Elliott) G. L. Nesom USA: Massachusetts Boston: Boston E. F. Williams 1893-9-16
NEBC: 01014484 Symphyotrichum racemosum (Elliott) G. L. Nesom USA: Massachusetts Sharon: Sharon E. F. Williams 1 1899-9-10
GH: 01014490 Symphyotrichum racemosum (Elliott) G. L. Nesom USA: Massachusetts Sharon: Sharon E. F. Williams 1899-9-10
GH: 01014500 Symphyotrichum racemosum (Elliott) G. L. Nesom USA: Massachusetts Middleborough: Middleborough E. F. Williams 1901-9-6
GH: 01014560 Symphyotrichum racemosum (Elliott) G. L. Nesom USA: Rhode Island Cumberland: Cumberland E. F. Williams 1903-9-13
GH: 01014592 Symphyotrichum racemosum (Elliott) G. L. Nesom USA: Connecticut Bloomfield: Bloomfield E. F. Williams 1900-9-25
NEBC: 00359934 Symphyotrichum sp. USA: Massachusetts Blue Hills Reservation, near Gardner's Swamp E. F. Williams 1894-9-23
GH: 01021456 Symphyotrichum sp. USA: Massachusetts Lexington: Lexington E. F. Williams 1893-10-15
GH: 00834741 Symphyotrichum sp. USA: Massachusetts Weston: Weston, near Stony Brook Depot E. F. Williams 1895-10-6
GH: 01021498 Symphyotrichum sp. USA: Massachusetts Wayland: Wayland E. F. Williams 1893-9-10
GH: 01021464 Symphyotrichum sp. USA: Massachusetts Newton: Newtonville E. F. Williams 1893-9-18
GH: 01014622 Symphyotrichum subulatum (Michaux) G. L. Nesom USA: New Hampshire Hampton: Hampton E. F. Williams 1902-8-31
GH: 01014624 Symphyotrichum subulatum (Michaux) G. L. Nesom USA: New Hampshire Newcastle E. F. Williams 1901-9-19
NEBC: 01014625 Symphyotrichum subulatum (Michaux) G. L. Nesom USA: New Hampshire Newcastle E. F. Williams 1901-9-19
GH: 01014761 Symphyotrichum subulatum (Michaux) G. L. Nesom USA: Massachusetts Boston: Boston, c. [corner] Commonwealth Ave... E. F. Williams 1893-9-30
GH: 01014776 Symphyotrichum subulatum (Michaux) G. L. Nesom USA: Massachusetts Scituate: Scituate E. F. Williams 1896-9-6
GH: 01014801 Symphyotrichum subulatum (Michaux) G. L. Nesom USA: Rhode Island Newport: Newport E. F. Williams 1908-9-12
NEBC: 00832583 Symphyotrichum tardiflorum (Linnaeus) Greuter, M. V. Agabajan & Wagenitz USA: New Hampshire Mount Monadnock E. F. Williams 1901-9-2
GH: 00832644 Symphyotrichum tenuifolium (Linnaeus) G. L. Nesom USA: Massachusetts Barnstable Town E. F. Williams 1896-9-6
NEBC: 00832645 Symphyotrichum tenuifolium (Linnaeus) G. L. Nesom USA: Massachusetts Barnstable Town E. F. Williams 1896-9-7
NEBC: 00832646 Symphyotrichum tenuifolium (Linnaeus) G. L. Nesom USA: Massachusetts Barnstable Town E. F. Williams 1896-9-6
NEBC: 01016148 Symphyotrichum undulatum (Linnaeus) G. L. Nesom USA: Massachusetts Wayland: Wayland E. F. Williams 1893-9-10
NEBC: 01016149 Symphyotrichum undulatum (Linnaeus) G. L. Nesom USA: Massachusetts Weston: Weston E. F. Williams 1895-9-29
NEBC: 01016202 Symphyotrichum undulatum (Linnaeus) G. L. Nesom USA: Rhode Island Cumberland: Cumberland E. F. Williams 1903-9-13
NEBC: 01016218 Symphyotrichum undulatum (Linnaeus) G. L. Nesom USA: Rhode Island Tiverton: Tiverton E. F. Williams 1903-9-27
NEBC: 00638967 Tanacetum bipinnatum huronense (Nuttall) Breitung USA: Maine Allagash: Allagash E. F. Williams 1900-7-27
NEBC: 00638968 Tanacetum bipinnatum huronense (Nuttall) Breitung USA: Maine Fort Kent: Fort Kent E. F. Williams 1900-7-24
GH: 00638972 Tanacetum bipinnatum huronense (Nuttall) Breitung USA: Maine St. Francis E. F. Williams 1900-7-30
GH: 00638975 Tanacetum bipinnatum huronense (Nuttall) Breitung USA: Maine St. John E. F. Williams 1900-7-23
GH: 00655062 Tanacetum vulgare Linnaeus USA: New Hampshire Hampton Falls: Hampton Falls E. F. Williams 1901-9-22
GH: 00655064 Tanacetum vulgare Linnaeus USA: New Hampshire Newcastle E. F. Williams 1901-9-19
GH: 00718766 Tanacetum vulgare Linnaeus USA: Vermont Weybridge: Weybridge E. F. Williams 1908-7-8
GH: 00718789 Tanacetum vulgare Linnaeus USA: Massachusetts Quincy: Quincy E. F. Williams 1895-8-25
GH: 00718822 Tanacetum vulgare Linnaeus USA: Rhode Island Rumford E. F. Williams 1903-9-6
NEBC: 00655067 Tanacetum vulgare crispum (Linnaeus) Fernald USA: Maine Fort Fairfield: Fort Fairfield E. F. Williams 1901-8-18
GH: 00655090 Tanacetum vulgare crispum (Linnaeus) Fernald USA: New Hampshire Piermont: Piermont E. F. Williams 1910-7-26
GH: 00655101 Tanacetum vulgare crispum (Linnaeus) Fernald USA: Massachusetts Acton: South Acton E. F. Williams 1908-9-6
NEBC: 00655102 Tanacetum vulgare crispum (Linnaeus) Fernald USA: Massachusetts Acton: South Acton E. F. Williams 1908-9-6
GH: 00637696 Taraxacum brachyglossum Dahlstedt USA: Massachusetts Concord: Concord E. F. Williams 1898-5-8
GH: 00637696 Taraxacum erythrospermum Andrzejowski ex Besser USA: Massachusetts Concord: Concord E. F. Williams 1898-5-8
NEBC: 00637633 Taraxacum laevigatum (Willdenow) de Candolle USA: Maine Cranberry Isles: Cranberry Isles E. F. Williams 1899-7-24
NEBC: 00637664 Taraxacum laevigatum (Willdenow) de Candolle USA: New Hampshire Jaffrey: Jaffrey E. F. Williams 1898-5-30
GH: 00637677 Taraxacum laevigatum (Willdenow) de Candolle USA: Vermont Brandon: Brandon E. F. Williams 1908-5-21
GH: 00637696 Taraxacum laevigatum (Willdenow) de Candolle USA: Massachusetts Concord: Concord E. F. Williams 1898-5-8
NEBC: 00637705 Taraxacum laevigatum (Willdenow) de Candolle USA: Massachusetts Waltham: Waltham E. F. Williams 1898-5-1
GH: 00637707 Taraxacum laevigatum (Willdenow) de Candolle USA: Massachusetts Wilmington: Wilmington E. F. Williams 1899-5-14
GH: 00637709 Taraxacum laevigatum (Willdenow) de Candolle USA: Massachusetts Woburn: Woburn E. F. Williams 1895-5-12
GH: 00637710 Taraxacum laevigatum (Willdenow) de Candolle USA: Massachusetts Winchester: Winchester E. F. Williams 1895-5-12
GH: 00637750 Taraxacum laevigatum (Willdenow) de Candolle USA: Connecticut Southington: Southington E. F. Williams 1901-5-30
GH: 00637749 Taraxacum laevigatum (Willdenow) de Candolle USA: Connecticut Stratford: Stratford E. F. Williams 1901-6-9
GH: 00637676 Taraxacum laevigatum (Willdenow) de Candolle USA: Vermont E. F. Williams 1908-5-20
NEBC: 00637760 Taraxacum officinale F. H. Wiggers USA: Maine Fort Fairfield: Fort Fairfield E. F. Williams 1901-8-16
GH: 00626315 Taraxacum officinale F. H. Wiggers USA: Vermont Brandon: Brandon E. F. Williams 1908-5-21
GH: 00626363 Taraxacum officinale F. H. Wiggers USA: Massachusetts Brookline: Brookline, Country Club E. F. Williams 1896-5-17
GH: 00626365 Taraxacum officinale F. H. Wiggers USA: Massachusetts Canton: Canton E. F. Williams 1902-5-25
NEBC: 00587996 Taraxacum officinale F. H. Wiggers USA: Massachusetts Chestnut Hill [Boston/Brookline/Newton] E. F. Williams 1895-5-30
GH: 02591999 Taraxacum officinale F. H. Wiggers USA: New Hampshire Mt. Washington: opposite door of old Tip Top... E. F. Williams 1895-7-14
GH: 00718677 Tragopogon pratensis Linnaeus USA: Vermont Westmore: Westmore E. F. Williams 1898-6-16
NEBC: 00718678 Tragopogon pratensis Linnaeus USA: Vermont Westmore: Westmore E. F. Williams 1898-6-16
GH: 00718717 Tragopogon pratensis Linnaeus USA: Massachusetts Ashfield: Ashfield E. F. Williams 1907-7-5
GH: 00718727 Tragopogon pratensis Linnaeus USA: Massachusetts Williamstown: Williamstown E. F. Williams 1901-6-16
NEBC: 00576115 Tussilago farfara Linnaeus USA: New Hampshire Jaffrey: Jaffrey E. F. Williams 1898-5-29
GH: 00576126 Tussilago farfara Linnaeus USA: Vermont Willoughby E. F. Williams 1894-7-30
NEBC: 00576131 Tussilago farfara Linnaeus USA: Vermont Willoughby E. F. Williams 1896-7-26
GH: 00551008 Tussilago farfara Linnaeus USA: Vermont Wallingford: Wallingford E. F. Williams 1908-5-25
NEBC: 00577067 Tussilago farfara Linnaeus USA: Massachusetts Somerville: Somerville E. F. Williams 1897-4-13
NEBC: 00577070 Tussilago farfara Linnaeus USA: Massachusetts Somerville: Somerville Junction E. F. Williams 1897-4-13
NEBC: 00577088 Tussilago farfara Linnaeus USA: Massachusetts Shelburne: Shelburne E. F. Williams 1901-6-18
GH: 00577103 Tussilago farfara Linnaeus USA: Massachusetts Stockbridge: Stockbridge E. F. Williams 1910-4-3
NEBC: 00735279 Vernonia noveboracensis (Linnaeus) Michaux USA: Massachusetts Weston: Weston E. F. Williams 1897-9-5
GH: 01851201 Xanthium orientale Linnaeus USA: Massachusetts Gloucester: Bay View E. F. Williams 1897-8-15
GH: 01851202 Xanthium orientale Linnaeus USA: Massachusetts Revere: Point of PInes E. F. Williams 1897-5-23
GH: 00718859 Xanthium spinosum Linnaeus USA: Massachusetts Dedham: Dedham E. F. Williams 1898-10-2
GH: 00735413 Xanthium strumarium canadense (Mill.) Torr. & A. Gray USA: New Hampshire Newcastle E. F. Williams 1901-9-19
GH: 00691803 Xanthium strumarium canadense (Mill.) Torr. & A. Gray USA: Massachusetts Boston: Boston, St. Botolph St. E. F. Williams 1895-9-13
GH: 00691813 Xanthium strumarium canadense (Mill.) Torr. & A. Gray USA: Massachusetts Scituate: Scituate E. F. Williams 1899-10-29
GH: 00691814 Xanthium strumarium canadense (Mill.) Torr. & A. Gray USA: Massachusetts Revere: Revere E. F. Williams 1 1896-8-22
GH: 00691815 Xanthium strumarium canadense (Mill.) Torr. & A. Gray USA: Massachusetts Craigville: E. F. Williams 2 1899-9-5
NEBC: 00691819 Xanthium strumarium canadense (Mill.) Torr. & A. Gray USA: Massachusetts Revere: Revere E. F. Williams 1897-5-23
GH: 00691829 Xanthium strumarium canadense (Mill.) Torr. & A. Gray USA: Massachusetts North Scituate E. F. Williams 1897-9-6
Athyriaceae GH: 00678349 Athyrium filix-femina angustum (Willdenow) G. Lawson USA: New Hampshire Randolph: Randolph E. F. Williams 1896-7-30
GH: 00678351 Athyrium filix-femina angustum (Willdenow) G. Lawson USA: New Hampshire Randolph: Randolph E. F. Williams 1894-7-7
NEBC: 00678362 Athyrium filix-femina angustum (Willdenow) G. Lawson USA: New Hampshire Mount Washington E. F. Williams 1903-7-23
GH: 00733575 Athyrium filix-femina angustum (Willdenow) G. Lawson USA: Vermont Hancock: Hancock E. F. Williams 1908-7-5
GH: 00733644 Athyrium filix-femina angustum (Willdenow) G. Lawson USA: Massachusetts Rowley: Rowley E. F. Williams 1899-8-9
GH: 00668633 Athyrium filix-femina angustum (Willdenow) G. Lawson USA: Massachusetts Concord: Concord E. F. Williams 1908-8-10
NEBC: 00668843 Athyrium filix-femina angustum (Willdenow) G. Lawson USA: Rhode Island Portsmouth: Portsmouth E. F. Williams 1911-6-18
GH: 00678500 Athyrium filix-femina cyclosorum Ruprecht USA: New Hampshire Ripton E. F. Williams 1908-7-7
GH: 00678505 Athyrium filix-femina cyclosorum Ruprecht USA: Massachusetts Rockport: Rockport E. F. Williams 1897-8-15
GH: 00678506 Athyrium filix-femina cyclosorum Ruprecht USA: Massachusetts Rowley: Rowley E. F. Williams 1899-8-9
GH: 00576292 Cystopteris bulbifera (Linnaeus) Bernhardi USA: Vermont Willoughby E. F. Williams 1894-7-22
NEBC: 00576296 Cystopteris bulbifera (Linnaeus) Bernhardi USA: Vermont Willoughby Mt. E. F. Williams 1894-8-1
NEBC: 00576299 Cystopteris bulbifera (Linnaeus) Bernhardi USA: Vermont Willoughby E. F. Williams 1896-7-23
GH: 00551386 Cystopteris bulbifera (Linnaeus) Bernhardi USA: Massachusetts Ashfield: Ashfield E. F. Williams 1907-7-13
GH: 00551388 Cystopteris bulbifera (Linnaeus) Bernhardi USA: Massachusetts Colrain: Colrain E. F. Williams 1910-6-18
NEBC: 00668598 Cystopteris fragilis (Linnaeus) Bernhardi USA: Vermont Mansfield E. F. Williams 1897-7-3
NEBC: 00746390 Cystopteris tenuis (Michaux) Desvaux USA: Maine Frenchville: Frenchville E. F. Williams 1 1900-7-20
GH: 00746409 Cystopteris tenuis (Michaux) Desvaux USA: Maine Grafton E. F. Williams 1895-7-26
NEBC: 00746413 Cystopteris tenuis (Michaux) Desvaux USA: Maine Grafton E. F. Williams 1895-7-26
GH: 00746446 Cystopteris tenuis (Michaux) Desvaux USA: New Hampshire Randolph: Randolph E. F. Williams 1 1896-8-14
NEBC: 00746576 Cystopteris tenuis (Michaux) Desvaux USA: Massachusetts Woburn: Woburn, Shaker Glen E. F. Williams 1 1895-5-12
GH: 00746595 Cystopteris tenuis (Michaux) Desvaux USA: Massachusetts Ashfield: Ashfield E. F. Williams 1907-7-14
NEBC: 00746621 Cystopteris tenuis (Michaux) Desvaux USA: Massachusetts Goshen: Goshen E. F. Williams 1907-6-18
NEBC: 00746675 Cystopteris tenuis (Michaux) Desvaux USA: Connecticut Southington: Southington E. F. Williams 1901-5-30
GH: 00551487 Deparia acrostichoides (Swartz) M. Kato USA: New Hampshire Randolph: Randolph E. F. Williams 1896-8-14
GH: 00551488 Deparia acrostichoides (Swartz) M. Kato USA: New Hampshire Mt. Adams E. F. Williams 10 1896-8-14
NEBC: 00551505 Deparia acrostichoides (Swartz) M. Kato USA: New Hampshire Randolph: Randolph E. F. Williams 1894-7-11
GH: 00551528 Deparia acrostichoides (Swartz) M. Kato USA: New Hampshire Alstead: Alstead E. F. Williams 10 1901-7-27
NEBC: 00551532 Deparia acrostichoides (Swartz) M. Kato USA: New Hampshire Alstead: Alstead E. F. Williams 1901-7-27
GH: 00551560 Deparia acrostichoides (Swartz) M. Kato USA: Vermont Granville: Granville E. F. Williams 1908-7-18
NEBC: 00551625 Deparia acrostichoides (Swartz) M. Kato USA: Massachusetts Ashfield: Ashfield E. F. Williams 1909-7-18
NEBC: 00551694 Deparia acrostichoides (Swartz) M. Kato USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2
GH: 00662399 Gymnocarpium dryopteris (Linnaeus) Newman USA: New Hampshire Warren: Warren E. F. Williams 1907-7-18
NEBC: 00662433 Gymnocarpium dryopteris (Linnaeus) Newman USA: New Hampshire E. F. Williams 2 1894-7-8
GH: 00662519 Gymnocarpium dryopteris (Linnaeus) Newman USA: Vermont Leicester: Leicester E. F. Williams 1908
GH: 00695458 Gymnocarpium dryopteris (Linnaeus) Newman USA: Connecticut Southington: Southington E. F. Williams 1901-5-30
GH: 00695491 Homalosorus pycnocarpos (Sprengel) Pichi Sermolli USA: New Hampshire Alstead: Alstead E. F. Williams 1901-7-27
GH: 00695504 Homalosorus pycnocarpos (Sprengel) Pichi Sermolli USA: Vermont Leicester: Leicester E. F. Williams 1908-5-22
NEBC: 00551761 Matteuccia struthiopteris (Linnaeus) Todaro USA: New Hampshire Dummer: Dummer E. F. Williams 1895-7-29
NEBC: 00551762 Matteuccia struthiopteris (Linnaeus) Todaro USA: New Hampshire Dummer: Dummer E. F. Williams 1895-7-29
NEBC: 00551779 Matteuccia struthiopteris (Linnaeus) Todaro USA: New Hampshire Warren: Warren E. F. Williams 1907-7-22
GH: 00551797 Matteuccia struthiopteris (Linnaeus) Todaro USA: New Hampshire Jefferson: Jefferson E. F. Williams 1894-7-17
NEBC: 00551800 Matteuccia struthiopteris (Linnaeus) Todaro USA: Vermont Willoughby E. F. Williams 1894-7-30
GH: 00577315 Matteuccia struthiopteris (Linnaeus) Todaro USA: Vermont Willoughby E. F. Williams 1894-7-30
NEBC: 00551849 Matteuccia struthiopteris (Linnaeus) Todaro USA: Massachusetts South Lawrence E. F. Williams 1910-6-3
NEBC: 00551874 Matteuccia struthiopteris (Linnaeus) Todaro USA: Massachusetts Ashfield: Ashfield E. F. Williams 1907-6-19
GH: 00746819 Onoclea sensibilis Linnaeus USA: Maine Middle Dam E. F. Williams 1903-8-2
NEBC: 00746883 Onoclea sensibilis Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-29
GH: 00746885 Onoclea sensibilis Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-29
GH: 00746897 Onoclea sensibilis Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1908-7-23
GH: 00746943 Onoclea sensibilis Linnaeus USA: Vermont Willoughby E. F. Williams 1894-7-31
NEBC: 00746983 Onoclea sensibilis Linnaeus USA: Massachusetts Boxford: Boxford E. F. Williams 1899-8-6
NEBC: 00662876 Onoclea sensibilis Linnaeus USA: Massachusetts Lexington: E. [East] Lexington E. F. Williams 1894-5-27
GH: 00662905 Onoclea sensibilis Linnaeus USA: Massachusetts Dedham: Dedham E. F. Williams 1901-7-21
GH: 00695872 Onoclea sensibilis Linnaeus USA: Rhode Island Middletown: Middletown E. F. Williams 1908-5-30
Aytoniaceae NEBC: 00509943 Reboulia hemisphaerica (Linnaeus) Raddi USA: Massachusetts Sunderland: [data not captured] E. F. Williams 1895-6-2
Balsaminaceae GH: 00484163 Impatiens capensis Meerburgh USA: New Hampshire Randolph: Randolph E. F. Williams 1895-8-1
GH: 00517996 Impatiens capensis Meerburgh USA: Vermont Ripton: Ripton E. F. Williams 1908-7-13
NEBC: 00484261 Impatiens capensis Meerburgh USA: Massachusetts Centreville E. F. Williams 1898-9-4
GH: 00484350 Impatiens capensis Meerburgh USA: Rhode Island Rumford E. F. Williams 1903-9-6
GH: 01069292 Impatiens pallida Nuttall USA: Massachusetts Ashfield: Ashfield E. F. Williams 1909-8-4
GH: 01069293 Impatiens pallida Nuttall USA: Massachusetts Ashfield: Ashfield E. F. Williams 1909-7-10
GH: 01069296 Impatiens pallida Nuttall USA: Massachusetts Colrain: Colrain E. F. Williams 1909-8-4
Bartramiaceae NEBC: 00301825 Bartramia pomiformis Hedwig USA: Massachusetts Cascade, Middlesex Fells E. F. Williams 1895-4-19
NEBC: 00516853 Bartramia pomiformis Hedwig USA: Vermont Mount Mansfield: [data not captured] E. F. Williams 1897-7-7
NEBC: 00824817 Philonotis fontana (Hedwig) Bridel USA: Maine [data not captured] E. F. Williams 1900
NEBC: 00456166 Philonotis fontana (Hedwig) Bridel USA: New Hampshire [no additional data] E. F. Williams 1895-7-8
FH: 00824707 Philonotis sp. USA: Massachusetts Gloucester: [no additional data] E. F. Williams 1897-8-15
Berberidaceae GH: 00606652 Berberis vulgaris Linnaeus USA: New Hampshire Rye: Rye E. F. Williams 1903-6-14
NEBC: 00606717 Berberis vulgaris Linnaeus USA: Massachusetts Chestnut Hill E. F. Williams 1895-5-30
GH: 00606724 Berberis vulgaris Linnaeus USA: Massachusetts Waltham: Waltham, Feake's hill [Mount Feake] E. F. Williams 1898-11-13
NEBC: 00606794 Berberis vulgaris Linnaeus USA: Rhode Island Cumberland: Cumberland E. F. Williams 1903-9-13
GH: 00832693 Caulophyllum giganteum (Farw.) Loconte & Blackwell USA: Massachusetts Concord: Concord E. F. Williams 1898-5-8
GH: 00832703 Caulophyllum giganteum (Farw.) Loconte & Blackwell USA: Vermont Leicester: Leicester E. F. Williams 1 1908-5-22
GH: 00832704 Caulophyllum giganteum (Farw.) Loconte & Blackwell USA: Vermont Hancock: Hancock E. F. Williams 1908-7-5
GH: 00697855 Caulophyllum thalictroides (Linnaeus) Michaux USA: New Hampshire Alstead: Alstead E. F. Williams 1901-7-27
NEBC: 00697864 Caulophyllum thalictroides (Linnaeus) Michaux USA: Vermont Willoughby E. F. Williams 1896-7-18
GH: 00697894 Caulophyllum thalictroides (Linnaeus) Michaux USA: Massachusetts Boxford: Boxford E. F. Williams 1906-8-9
NEBC: 00697908 Caulophyllum thalictroides (Linnaeus) Michaux USA: Massachusetts Ashfield: Ashfield E. F. Williams 1907-7-3
GH: 00834010 Podophyllum peltatum Linnaeus USA: Vermont East Middlebury E. F. Williams
GH: 00834016 Podophyllum peltatum Linnaeus USA: Massachusetts Concord: Concord E. F. Williams 1898-5-8
GH: 00834031 Podophyllum peltatum Linnaeus USA: Massachusetts Ashfield: Ashfield E. F. Williams 1909-8-8
Betulaceae GH: 00579800 Alnus glutinosa (Linnaeus) Gaertner USA: Massachusetts Medford: Medford E. F. Williams 2 1899-4-30
NEBC: 00354790 Alnus incana (Linnaeus) Moench USA: Massachusetts Middlesex Fells Reserv. E. F. Williams 1895-4-19
NEBC: 00354791 Alnus incana (Linnaeus) Moench USA: Massachusetts Norwood: Purgatory E. F. Williams 1895-3-24
GH: 00354725 Alnus rugosa (Du Roi) Sprengel USA: Massachusetts Milton: Houghtons pond, Blue Hills Reserv. E. F. Williams 1895-8-11
NEBC: 00354790 Alnus rugosa (Du Roi) Sprengel USA: Massachusetts Middlesex Fells Reserv. E. F. Williams 1895-4-19
NEBC: 00354794 Alnus rugosa (Du Roi) Sprengel USA: Massachusetts Blue Hills Reservn. E. F. Williams 1895-8-11
GH: 00354725 Alnus serrulata (Aiton) Willdenow USA: Massachusetts Milton: Houghtons pond, Blue Hills Reserv. E. F. Williams 1895-8-11
NEBC: 00354790 Alnus serrulata (Aiton) Willdenow USA: Massachusetts Middlesex Fells Reserv. E. F. Williams 1895-4-19
NEBC: 00354794 Alnus serrulata (Aiton) Willdenow USA: Massachusetts Blue Hills Reservn. E. F. Williams 1895-8-11
GH: 00657613 Alnus viridis crispa (Aiton) Turrill USA: New Hampshire Crawford's Purchase E. F. Williams 1895-7-16
NEBC: 00657619 Alnus viridis crispa (Aiton) Turrill USA: New Hampshire White Mountains E. F. Williams 1907-10-2
NEBC: 00657633 Alnus viridis crispa (Aiton) Turrill USA: Vermont Willoughby E. F. Williams 1898-7-11
NEBC: 00657634 Alnus viridis crispa (Aiton) Turrill USA: Vermont Willoughby E. F. Williams 1905-5-19
NEBC: 00657636 Alnus viridis crispa (Aiton) Turrill USA: Vermont Willoughby E. F. Williams 1898-9-19
NEBC: 00657638 Alnus viridis crispa (Aiton) Turrill USA: Vermont Willoughby E. F. Williams 1901-5-26
NEBC: 00666966 Alnus viridis crispa (Aiton) Turrill USA: Vermont Willoughby E. F. Williams 1904-9-17
GH: 00312653 Betula alleghaniensis Britton USA: Massachusetts Middlesex Fells Reservation E. F. Williams 1895-4-19
NEBC: 00657862 Betula alleghaniensis Britton USA: Maine Bethel: Bethel E. F. Williams 1895-7-25
GH: 00636662 Betula alleghaniensis Britton USA: New Hampshire Warren: Warren E. F. Williams 1908-7-23
NEBC: 00636704 Betula alleghaniensis Britton USA: Vermont Willoughby E. F. Williams 1898-7-22
NEBC: 00636705 Betula alleghaniensis Britton USA: Vermont Willoughby E. F. Williams 1898-7-11
GH: 00636708 Betula alleghaniensis Britton USA: Vermont Lunenburg: Lunenburg E. F. Williams 1892-5-17
NEBC: 00636748 Betula alleghaniensis Britton USA: Massachusetts Burlington: Burlington E. F. Williams 1 1900-5-6
NEBC: 00627182 Betula alleghaniensis Britton USA: Massachusetts Blue Hills Reservation E. F. Williams 1903-2-1
GH: 00636775 Betula alleghaniensis Britton USA: Rhode Island North Kingstown: North Kingstown E. F. Williams 1908-6-17
GH: 00636776 Betula alleghaniensis Britton USA: Rhode Island North Kingstown: North Kingstown E. F. Williams 1908-6-17
NEBC: 00636821 Betula cordifolia Regel USA: Maine Mount Aziscoos E. F. Williams 1 1903-7-31
GH: 00634013 Betula cordifolia Regel USA: Maine Camden: Camden E. F. Williams 1902-7-20
NEBC: 00634014 Betula cordifolia Regel USA: Maine Camden: Camden E. F. Williams 1902-8-16
NEBC: 00634019 Betula cordifolia Regel USA: Maine Wells: Wells E. F. Williams 1900-8-23
GH: 00634020 Betula cordifolia Regel USA: Maine Wells: Wells E. F. Williams 1900-8-23
NEBC: 00634032 Betula cordifolia Regel USA: New Hampshire Mount Washington E. F. Williams 1 1895-7-11
NEBC: 00634033 Betula cordifolia Regel USA: New Hampshire Mount Washington E. F. Williams 1 1901-8-6
GH: 00634041 Betula cordifolia Regel USA: New Hampshire Mount Moosilauke E. F. Williams 1908-8-3
GH: 00634042 Betula cordifolia Regel USA: New Hampshire Mount Moosilauke E. F. Williams 1 1907-7-19
GH: 00657993 Betula cordifolia Regel USA: Vermont Mount Mansfield E. F. Williams 1897-7-2
GH: 00657992 Betula cordifolia Regel USA: New Hampshire Mount Washington E. F. Williams 1898-6-24
NEBC: 00657995 Betula cordifolia Regel USA: Vermont Mount Mansfield E. F. Williams 1897-7-2
NEBC: 00678883 Betula glandulosa Michaux USA: Maine Mount Katahdin E. F. Williams 1 1900-7-11
GH: 00678908 Betula glandulosa Michaux USA: New Hampshire Mount Washington E. F. Williams 1 1901-8-4
NEBC: 00678923 Betula glandulosa Michaux USA: New Hampshire Mount Washington E. F. Williams 1896-8-8
NEBC: 00678924 Betula glandulosa Michaux USA: New Hampshire Mount Washington E. F. Williams 1896-8-8
NEBC: 00678930 Betula glandulosa Michaux USA: New Hampshire Thompson and Meserves E. F. Williams 1 1898-6-24
NEBC: 00678929 Betula glandulosa Michaux USA: New Hampshire Thompson and Meserves E. F. Williams 2 1898-6-26
NEBC: 00678931 Betula glandulosa Michaux USA: New Hampshire Sargents E. F. Williams 3 1898-6-28
GH: 00678940 Betula glandulosa Michaux USA: Maine Mount Katahdin E. F. Williams 1900-7-11
GH: 00634428 Betula lenta Linnaeus USA: Vermont Wallingford: Wallingford E. F. Williams 1908-5-25
NEBC: 00634453 Betula lenta Linnaeus USA: Massachusetts Newton: Chestnut Hill, Mass., near Hammond p... E. F. Williams 1895-5-30
NEBC: 00634460 Betula lenta Linnaeus USA: Massachusetts Waltham: Waltham E. F. Williams 1897-5-16
NEBC: 00634465 Betula lenta Linnaeus USA: Massachusetts Woburn: Woburn, Shaker Glen E. F. Williams 1897-5-9
GH: 00312653 Betula lutea F. Michaux USA: Massachusetts Middlesex Fells Reservation E. F. Williams 1895-4-19
NEBC: 00678574 Betula minor (Tuckerman) Fernald USA: New Hampshire Mount Washington E. F. Williams 1895-7-8
NEBC: 00678577 Betula minor (Tuckerman) Fernald USA: New Hampshire Mount Washington E. F. Williams 1898-6-24
GH: 00678965 Betula nigra Linnaeus USA: Massachusetts South Lawrence E. F. Williams 1900-6-3
NEBC: 00678967 Betula nigra Linnaeus USA: Massachusetts South Lawrence E. F. Williams 1900-6-3
GH: 00634624 Betula papyrifera Marshall USA: Maine E. F. Williams 1901-2-27
GH: 00634673 Betula papyrifera Marshall USA: Vermont Westmore: Westmore E. F. Williams 1896-7-18
GH: 00634674 Betula papyrifera Marshall USA: Vermont Westmore: Westmore E. F. Williams 1896-7-18
GH: 00634697 Betula papyrifera Marshall USA: Vermont Middlebury: Middlebury E. F. Williams 1908-7-8
GH: 00634700 Betula papyrifera Marshall USA: Vermont Sudbury: Sudbury E. F. Williams 1908-5-23
GH: 00634727 Betula papyrifera Marshall USA: Massachusetts Boxford: Boxford E. F. Williams 1906-8-18
GH: 00627167 Betula papyrifera Marshall USA: Massachusetts Billerica: No. [North] Billerica E. F. Williams 1900-10-21
NEBC: 00727038 Betula papyrifera Marshall USA: Massachusetts Winchester: Winchester E. F. Williams 1897-5-9
GH: 00727042 Betula papyrifera Marshall USA: Massachusetts Middlesex Fells Reservation E. F. Williams 1 1896-5-3
GH: 00727043 Betula papyrifera Marshall USA: Massachusetts Winchester: Winchester E. F. Williams 2 1897-5-9
GH: 00727047 Betula papyrifera Marshall USA: Massachusetts Revere: Revere E. F. Williams 1896-6-28
A: 00727049 Betula papyrifera Marshall USA: Massachusetts Revere: Revere E. F. Williams 1896-8-30
GH: 00727050 Betula papyrifera Marshall USA: Massachusetts Revere: Revere E. F. Williams 1896-8-30
NEBC: 00727051 Betula papyrifera Marshall USA: Massachusetts Revere: Revere E. F. Williams 1896-8-30
GH: 00727060 Betula papyrifera Marshall USA: Massachusetts Norwood: Norwood E. F. Williams 1 1895-3-24
GH: 00567819 Betula pendula Roth USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-11
GH: 00627350 Betula populifolia Marshall USA: Maine Mount Desert Island: Mount Desert Island E. F. Williams 1899-7-18
GH: 00627415 Betula populifolia Marshall USA: New Hampshire Warren: Warren E. F. Williams 1908-8-2
GH: 00627460 Betula populifolia Marshall USA: Massachusetts Revere: Revere E. F. Williams 1896-6-28
GH: 00627561 Betula populifolia Marshall USA: Rhode Island Providence: Providence E. F. Williams 1904-5-22
GH: 00727099 Betula populifolia Marshall USA: Rhode Island Cumberland: Cumberland E. F. Williams 1904-5-15
GH: 00627566 Betula populifolia Marshall USA: Rhode Island Cumberland: Cumberland E. F. Williams
GH: 00627631 Betula populifolia Marsh. USA: New Hampshire Jaffrey: Jaffrey E. F. Williams 1 1899-5-30
GH: 00727167 Carpinus caroliniana virginiana (Marsh.) Furlow USA: Vermont Brandon: Brandon E. F. Williams 1908-5-23
NEBC: 00727220 Carpinus caroliniana virginiana (Marsh.) Furlow USA: Massachusetts Woburn: Winchester, Zion's Hill [Zion Hill i... E. F. Williams 1 1895-6-2
NEBC: 00727221 Carpinus caroliniana virginiana (Marsh.) Furlow USA: Massachusetts Hyde Park E. F. Williams 2 1895-6-9
GH: 00727305 Carpinus caroliniana virginiana (Marsh.) Furlow USA: Massachusetts Williamstown: Williamstown E. F. Williams 1 1901-6-17
GH: 00727317 Carpinus caroliniana virginiana (Marsh.) Furlow USA: Rhode Island North Kingstown: North Kingstown E. F. Williams 1908-6-17
NEBC: 00354771 Corylus americana Walter USA: Massachusetts Blue Hills Reservation E. F. Williams 1896-4-26
NEBC: 00354772 Corylus americana Walter USA: Massachusetts Blue Hills Reservation E. F. Williams 1896-4-26
NEBC: 00354773 Corylus americana Walter USA: Massachusetts Sharon: E. F. Williams 1896-7-12
GH: 00627858 Corylus americana Walter USA: New Hampshire Walpole: Walpole E. F. Williams 1901-7-28
GH: 00627869 Corylus americana Walter USA: Massachusetts Georgetown: Georgetown E. F. Williams 1906-7-14
GH: 00627935 Corylus americana Walter USA: Massachusetts Wilmington: Wilmington E. F. Williams 1900-4-21
GH: 00627936 Corylus americana Walter USA: Massachusetts Barnstable Town E. F. Williams 1896-4-19
GH: 00727582 Corylus cornuta Marshall USA: Vermont Willoughby Mountain E. F. Williams 1896-7-24
GH: 00727613 Corylus cornuta Marshall USA: Massachusetts Boxford: Boxford E. F. Williams 1906-8-9
NEBC: 00727618 Corylus cornuta Marshall USA: Massachusetts Burlington: Burlington E. F. Williams 1 1900-4-22
NEBC: 00727700 Corylus cornuta Marshall USA: Massachusetts Boston: West Roxbury E. F. Williams 1896-4-12
GH: 00727702 Corylus cornuta Marshall USA: Massachusetts Boston: West Roxbury,Cottage St. [Road] E. F. Williams 1896-4-12
GH: 00727701 Corylus cornuta Marshall USA: Massachusetts Canton: Canton E. F. Williams 1896-4-5
GH: 00727703 Corylus cornuta Marshall USA: Massachusetts Barnstable Town E. F. Williams 1896-4-18
GH: 00727704 Corylus cornuta Marshall USA: Massachusetts Blue Hills Reservation E. F. Williams 1896-4-26
NEBC: 00727724 Corylus cornuta Marshall USA: Massachusetts Barnstable Town E. F. Williams 1896-4-18
NEBC: 00727737 Corylus cornuta Marshall USA: Massachusetts Falmouth: Falmouth E. F. Williams 1911-7-11
NEBC: 00727739 Corylus cornuta Marshall USA: Massachusetts Falmouth: Falmouth E. F. Williams 1911-7-13
NEBC: 00746019 Corylus cornuta Marshall USA: Massachusetts Mount Washington: Washington E. F. Williams 1910-4-6
GH: 00746026 Corylus cornuta Marshall USA: Rhode Island Middletown: Middletown E. F. Williams 1909-4-18
NEBC: 00746089 Ostrya virginiana (Miller) K. Koch USA: Maine Mount Desert (Hancock County): Mount Desert E. F. Williams 1908-8-11
NEBC: 00662571 Ostrya virginiana (Miller) K. Koch USA: Massachusetts Boxford: Boxford E. F. Williams 1906-8-3
NEBC: 00662010 Ostrya virginiana (Miller) K. Koch USA: Massachusetts Woburn: Woburn, Shaker Glen E. F. Williams 1895-9-1
NEBC: 00662011 Ostrya virginiana (Miller) K. Koch USA: Massachusetts Norwood: Norwood E. F. Williams 1895-6-23
NEBC: 00746157 Ostrya virginiana (Miller) K. Koch USA: Rhode Island Middletown: Middletown E. F. Williams 1908-5-31
GH: 02103720 Ostrya virginiana glandulosa Sargent USA: Massachusetts [data not captured] E. F. Williams 1909-8-6
Bignoniaceae GH: 00685218 Catalpa bignonioides Walter USA: Massachusetts Boston: Boston, in Back bay E. F. Williams 1910-8-27
GH: 02054798 Catalpa speciosa Teas USA: New Jersey Locust, N. J. E. F. Williams 1900-6-18
Blechnaceae NEBC: 00628268 Woodwardia areolata (Linnaeus) T. Moore USA: Massachusetts Norwood: Norwood E. F. Williams 1894-8-26
NEBC: 00342701 Woodwardia virginica (Linnaeus) Smith USA: Massachusetts Gardners Swamp, Blue Hills Reservation E. F. Williams 1894-9-23
NEBC: 00342707 Woodwardia virginica (Linnaeus) Smith USA: Massachusetts Boston: Stony Brook Reserv. [Hyde Park/West ... E. F. Williams 1896-8-22
NEBC: 00708662 Woodwardia virginica (Linnaeus) Smith USA: Massachusetts Gosnold: Gosnold E. F. Williams 1911-7-10
NEBC: 00708663 Woodwardia virginica (Linnaeus) Smith USA: Massachusetts Gosnold: Gosnold E. F. Williams 1911-7-10
Boraginaceae GH: 00685920 Amsinckia lycopsoides Lehmann USA: Connecticut Southington: Southington E. F. Williams 1901-5-30
GH: 00685945 Anchusa officinalis Linnaeus USA: Massachusetts Boston: Boston, Back Bay lands E. F. Williams 1903-6-23
GH: 00718910 Buglossoides arvensis (Linnaeus) I. M. Johnston USA: Massachusetts Burlington: Burlington E. F. Williams 1 1903-5-17
GH: 00718921 Buglossoides arvensis (Linnaeus) I. M. Johnston USA: Massachusetts Waltham: Waltham, Prospect Hill E. F. Williams 1897-5-16
GH: 01038372 Bulgossoides arvensis (Linnaeus) I. M. Johnston USA: Maine Washington: Washington E. F. Williams
GH: 00718979 Cynoglossum officinale Linnaeus USA: Massachusetts Dedham: Dedham E. F. Williams 1901-7-21
GH: 00718982 Cynoglossum officinale Linnaeus USA: Massachusetts Ashfield: Ashfield E. F. Williams 1907-7-14
NEBC: 00718983 Cynoglossum officinale Linnaeus USA: Massachusetts Ashfield: Ashfield E. F. Williams 1907-7-14
GH: 00718985 Cynoglossum officinale Linnaeus USA: Massachusetts Williamstown: Williamstown E. F. Williams 1901-6-17
NEBC: 00655302 Echium vulgare Linnaeus USA: Massachusetts Revere: Revere E. F. Williams 1894-8-19
NEBC: 00655318 Echium vulgare Linnaeus USA: Massachusetts Barnstable: Barnstable, Centerville E. F. Williams 1896-7-5
NEBC: 00655329 Echium vulgare Linnaeus USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-22
GH: 00638519 Hackelia virginiana (Linnaeus) I. M. Johnston USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-14
GH: 00638524 Hackelia virginiana (Linnaeus) I. M. Johnston USA: New Hampshire Alstead: Alstead E. F. Williams 1901-7-27
GH: 00638554 Hackelia virginiana (Linnaeus) I. M. Johnston USA: Massachusetts Newton: Newton, at Riverside E. F. Williams 1897-9-5
NEBC: 00638555 Hackelia virginiana (Linnaeus) I. M. Johnston USA: Massachusetts Newton: Newton, Riverside E. F. Williams 1897-9-5
NEBC: 00735052 Heliotropium amplexicaule Vahl USA: Massachusetts Cambridge: Cambridge, Huron Avenue E. F. Williams 1910-9-3
GH: 00716729 Lappula echinata Gilibert USA: Massachusetts Dedham: Dedham E. F. Williams 1901-7-21
GH: 01019819 Lithospermum officinale Linnaeus USA: Massachusetts Colrain: Colrain, Valley of the Green River E. F. Williams 1910-6-18
GH: 00676885 Lithospermum virginianum Linnaeus USA: Massachusetts Barnstable Town E. F. Williams 1896-7-5
NEBC: 00676886 Lithospermum virginianum Linnaeus USA: Massachusetts Barnstable Town E. F. Williams 1898-9-5
NEBC: 00676887 Lithospermum virginianum Linnaeus USA: Massachusetts Barnstable Town E. F. Williams 1896-7-5
GH: 00676896 Lithospermum virginianum Linnaeus USA: Massachusetts Nantucket: Nantucket E. F. Williams 1894-9-8
NEBC: 00638634 Mertensia maritima (Linnaeus) Gray USA: Maine Cranberry Isles: Great Cranberry Island E. F. Williams 1897-7-17
NEBC: 00638635 Mertensia maritima (Linnaeus) Gray USA: Maine Mount Desert (Hancock County): Seal Harbor E. F. Williams 1899-7-16
GH: 00638659 Mertensia maritima (Linnaeus) Gray USA: Maine Cranberry Isles: Little Cranberry Island E. F. Williams 1899-7-24
GH: 00638661 Mertensia maritima (Linnaeus) Gray USA: Maine Mount Desert (Hancock County): Little Harbor E. F. Williams 1893-9-3
GH: 00676977 Myosotis laxa Lehmann USA: Massachusetts Lincoln: Lexington, foot Mt. Tabor [Mt. Tabo... E. F. Williams 1897-6-6
NEBC: 00676997 Myosotis laxa Lehmann USA: Massachusetts Sharon: Sharon E. F. Williams 1896-6-17
GH: 00676999 Myosotis laxa Lehmann USA: Massachusetts Sharon: Sharon E. F. Williams 1896-6-17
NEBC: 00716765 Myosotis laxa Lehmann USA: Rhode Island Providence: Providence E. F. Williams 1896-5-20
GH: 00577177 Myosotis scorpioides Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-14
NEBC: 00577192 Myosotis scorpioides Linnaeus USA: New Hampshire Alstead: Alstead E. F. Williams 1901-7-27
GH: 00577199 Myosotis scorpioides Linnaeus USA: Vermont Barton: Barton E. F. Williams 1898-6-16
NEBC: 00577261 Myosotis scorpioides Linnaeus USA: Massachusetts Readville E. F. Williams 1895-9-8
GH: 00577271 Myosotis scorpioides Linnaeus USA: Massachusetts Scituate: Scituate E. F. Williams 1898-7-10
GH: 00577289 Myosotis scorpioides Linnaeus USA: Massachusetts Ashfield: Ashfield E. F. Williams 1909-7-9
GH: 00656695 Myosotis stricta Link ex Roemer & Schultes USA: Massachusetts Revere: Revere E. F. Williams 1897-5-23
GH: 00656694 Myosotis stricta Link ex Roemer & Schultes USA: Massachusetts Revere: Revere E. F. Williams 1897-6-12
GH: 00656697 Myosotis stricta Link ex Roemer & Schultes USA: Massachusetts Revere: Revere E. F. Williams 1897-6-12
GH: 00656701 Myosotis stricta Link ex Roemer & Schultes USA: Massachusetts Milton: Milton E. F. Williams 1901-5-12
NEBC: 00716827 Myosotis verna Nuttall USA: Massachusetts Walpole: Walpole E. F. Williams 1897-6-17
NEBC: 00716828 Myosotis verna Nuttall USA: Massachusetts Waltham: Waltham, Prospect Hill E. F. Williams 1897-5-16
NEBC: 00716838 Myosotis verna Nuttall USA: Massachusetts Revere: Revere E. F. Williams 1897-6-12
NEBC: 00716839 Myosotis verna Nuttall USA: Massachusetts Revere: Revere E. F. Williams 1897-5-23
NEBC: 00716879 Myosotis verna Nuttall USA: Rhode Island Providence: Providence E. F. Williams 185 1901-5-29
GH: 00716880 Myosotis verna Nuttall USA: Rhode Island Middletown: Middletown E. F. Williams 2 1908-5-31
GH: 00716886 Myosotis verna Nuttall USA: Connecticut Stratford: Stratford E. F. Williams 1904-6-9
GH: 00633133 Symphytum officinale Linnaeus USA: Massachusetts Georgetown: Georgetown E. F. Williams 1906-7-4
NEBC: 00633141 Symphytum officinale Linnaeus USA: Massachusetts Woburn: Woburn E. F. Williams 1896-5-30
GH: 00633143 Symphytum officinale Linnaeus USA: Massachusetts Woburn: Woburn E. F. Williams 1896-5-30
GH: 00633142 Symphytum officinale Linnaeus USA: Massachusetts Woburn: Woburn E. F. Williams 1898-11-20
NEBC: 00633149 Symphytum officinale Linnaeus USA: Massachusetts Canton: Canton E. F. Williams 1897-11-7
GH: 00633152 Symphytum officinale Linnaeus USA: Massachusetts West Falmouth E. F. Williams 1901-7-14
GH: 00633156 Symphytum officinale Linnaeus USA: Massachusetts Ashfield: Ashfield E. F. Williams 1909-7-19
NEBC: 00633157 Symphytum officinale Linnaeus USA: Massachusetts Ashfield: Ashfield E. F. Williams 1907-7-12
Brassicaceae GH: 00617682 Arabidopsis lyrata (Linnaeus) O'Kane & Al-Shehbaz USA: Connecticut Stratford: Stratford E. F. Williams 1901-6-9
GH: 00992643 Arabidopsis lyrata (Linnaeus) O'Kane & Al-Shehbaz USA: New Jersey Sandy Hook [Middleton Township] E. F. Williams 1900-6-19
GH: 00295968 Arabis canadensis Linnaeus USA: Massachusetts Blue Hills Res. [Reservation] E. F. Williams 1900-6-25
NEBC: 00348532 Arabis canadensis Linnaeus USA: Massachusetts Milton: [Blue Hills Reservation] E. F. Williams 1895-6-9
GH: 00348569 Arabis laevigata (Muhlenberg ex Willdenow) Poiret USA: Massachusetts Boston: Bearberry Hill, Stony Brook Reserv. ... E. F. Williams 1897-5-30
NEBC: 00348570 Arabis laevigata (Muhlenberg ex Willdenow) Poiret USA: Massachusetts Boston: Stony Brook Reserv. [Hyde Park/West ... E. F. Williams 1897-5-30
GH: 00348569 Arabis missouriensis Greene USA: Massachusetts Boston: Bearberry Hill, Stony Brook Reserv. ... E. F. Williams 1897-5-30
GH: 01065403 Arabis pycnocarpa M. Hopkins USA: Vermont Brandon: Brandon E. F. Williams 1 1908-5-24
GH: 00348569 Arabis sp. USA: Massachusetts Boston: Bearberry Hill, Stony Brook Reserv. ... E. F. Williams 1897-5-30
NEBC: 00348570 Arabis sp. USA: Massachusetts Boston: Stony Brook Reserv. [Hyde Park/West ... E. F. Williams 1897-5-30
GH: 00348569 Arabis viridis Harger USA: Massachusetts Boston: Bearberry Hill, Stony Brook Reserv. ... E. F. Williams 1897-5-30
NEBC: 00348570 Arabis viridis Harger USA: Massachusetts Boston: Stony Brook Reserv. [Hyde Park/West ... E. F. Williams 1897-5-30
GH: 00348308 Armoracia lapathifolia Gilibert USA: Massachusetts Blue Hills Reservation E. F. Williams 1900-6-10
GH: 00348308 Armoracia rusticana G. Gaertner, B. Meyer & Scherbius USA: Massachusetts Blue Hills Reservation E. F. Williams 1900-6-10
GH: 00558061 Armoracia rusticana G. Gaertner, B. Meyer & Scherbius USA: New Hampshire Warren: Warren E. F. Williams 1910-7-31
GH: 00558070 Armoracia rusticana G. Gaertner, B. Meyer & Scherbius USA: Vermont Middlebury: Middlebury E. F. Williams 1908-5-27
GH: 00558072 Armoracia rusticana G. Gaertner, B. Meyer & Scherbius USA: Vermont Norwich: Norwich E. F. Williams 1910-7-8
GH: 00558076 Armoracia rusticana G. Gaertner, B. Meyer & Scherbius USA: Vermont Sudbury: Sudbury E. F. Williams 1908-5-23
GH: 00558106 Armoracia rusticana G. Gaertner, B. Meyer & Scherbius USA: Massachusetts Sharon: Sharon E. F. Williams 1896-6-17
GH: 00712860 Barbarea orthoceras Ledebour USA: New Hampshire Mount Washington E. F. Williams 1 1895-7-11
NEBC: 00712887 Barbarea stricta Andrzejowski USA: Massachusetts Chestnut Hill, Mass., Boylston St. E. F. Williams 1895-5-30
GH: 00712906 Barbarea stricta Andrzejowski USA: Rhode Island Middletown: Middletown E. F. Williams 1908-5-30
NEBC: 00610661 Barbarea verna (Miller) Ascherson USA: Connecticut Stratford: Stratford E. F. Williams 1901-6-9
GH: 00974834 Barbarea verna (Miller) Ascherson USA: New Jersey Locust [Middletown Township] E. F. Williams 1900-4-18
GH: 00974905 Barbarea vulgaris W. T. Aiton Canada: Quebec Province [data not captured] E. F. Williams 1905-8-3
GH: 00448698 Barbarea vulgaris W. T. Aiton USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-18
GH: 00448700 Barbarea vulgaris W. T. Aiton USA: New Hampshire Warren: Warren E. F. Williams 1910-7-21
GH: 00448745 Barbarea vulgaris W. T. Aiton USA: Vermont Norwich: Norwich E. F. Williams 1910-7-9
GH: 00448750 Barbarea vulgaris W. T. Aiton USA: Vermont Wallingford: Wallingford E. F. Williams 1908-5-25
NEBC: 00448810 Barbarea vulgaris W. T. Aiton USA: Massachusetts Revere: Revere E. F. Williams 1895-5-26
GH: 00448812 Barbarea vulgaris W. T. Aiton USA: Massachusetts Revere: Revere E. F. Williams 1895-5-26
GH: 00448897 Barbarea vulgaris W. T. Aiton USA: Rhode Island Lonsdale: Lonsdale E. F. Williams 1 1904-5-15
GH: 00448901 Barbarea vulgaris W. T. Aiton USA: Rhode Island Middletown: Middletown E. F. Williams 127 1909-7-5
NEBC: 00735089 Berteroa mutabilis (Ventenat) de Candolle USA: Massachusetts Dedham: Dedham E. F. Williams 1897-8-22
NEBC: 00735090 Berteroa mutabilis (Ventenat) de Candolle USA: Massachusetts Dedham: Dedham E. F. Williams 1897-8-22
GH: 00735092 Berteroa mutabilis (Ventenat) de Candolle USA: Massachusetts Dedham: Dedham E. F. Williams 1898-10-2
GH: 00735093 Berteroa mutabilis (Ventenat) de Candolle USA: Massachusetts Dedham: Dedham E. F. Williams 1897-8-22
GH: 00295968 Boechera canadensis (Linnaeus) Al-Shehbaz USA: Massachusetts Blue Hills Res. [Reservation] E. F. Williams 1900-6-25
NEBC: 00348532 Boechera canadensis (Linnaeus) Al-Shehbaz USA: Massachusetts Milton: [Blue Hills Reservation] E. F. Williams 1895-6-9
GH: 01065479 Boechera canadensis (Linnaeus) Al-Shehbaz USA: Massachusetts Lexington: Lexington E. F. Williams 1897-9-19
GH: 01007701 Boechera canadensis (Linnaeus) Al-Shehbaz USA: Massachusetts Revere: Revere E. F. Williams 1894-9-16
GH: 00348569 Boechera missouriensis (Greene) Al-Shehbaz USA: Massachusetts Boston: Bearberry Hill, Stony Brook Reserv. ... E. F. Williams 1897-5-30
NEBC: 00348570 Boechera missouriensis (Greene) Al-Shehbaz USA: Massachusetts Boston: Stony Brook Reserv. [Hyde Park/West ... E. F. Williams 1897-5-30
NEBC: 01037124 Boechera stricta (Graham) Shehbaz USA: Massachusetts Plum Island E. F. Williams 1899-8-4
NEBC: 01037128 Boechera stricta (Graham) Shehbaz USA: Massachusetts Chestnut Hill [Boston/Brookline/Newton] E. F. Williams 1896-5-17
GH: 01023300 Boechera stricta (Graham) Shehbaz USA: Massachusetts Greenfield Town E. F. Williams 1910-6-17
GH: 00348535 Brassica juncea (Linnaeus) Czernajew USA: Massachusetts Lincoln: at base of Mt. Tabor Mt. Tabor is i... E. F. Williams 1897-6-6
GH: 00348536 Brassica juncea (Linnaeus) Czernajew USA: Massachusetts near R. Wolcott place, Blue Hills Reserv. E. F. Williams 1895-9-22
GH: 00593178 Brassica juncea (Linnaeus) Czernajew USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-25
GH: 00593214 Brassica juncea (Linnaeus) Czernajew USA: Massachusetts E. F. Williams 1897-8-15
GH: 00593282 Brassica nigra (Linnaeus) W. D. J. Koch USA: Maine Portland: Portland E. F. Williams 1910-8-3
GH: 00593294 Brassica nigra (Linnaeus) W. D. J. Koch USA: New Hampshire Warren: Warren E. F. Williams 1910-7-31
GH: 00617012 Brassica nigra (Linnaeus) W. D. J. Koch USA: Vermont Ripton: Ripton E. F. Williams 1908-7-11
NEBC: 00617031 Brassica nigra (Linnaeus) W. D. J. Koch USA: Massachusetts Marshfield: Marshfield E. F. Williams 1896-10-4
GH: 00617034 Brassica nigra (Linnaeus) W. D. J. Koch USA: Massachusetts Marshfield: by Little's Creek, Seaview E. F. Williams 1896-10-4
GH: 00593296 Brassica nigra (Linnaeus) W. D. J. Koch USA: Rhode Island Tiverton: Tiverton E. F. Williams 1903-9-27
GH: 00593309 Brassica oleracea Linnaeus USA: Massachusetts Dedham: Dedham E. F. Williams 1897-6-13
NEBC: 00593369 Brassica rapa Linnaeus USA: New Hampshire Crawford E. F. Williams 1895-7-16
GH: 00593374 Brassica rapa Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-6
GH: 00593397 Brassica rapa Linnaeus USA: Vermont Ripton: Ripton E. F. Williams 1908-7-7
GH: 00593401 Brassica rapa Linnaeus USA: Vermont Norwich: Norwich E. F. Williams 1910-7-11
GH: 00593436 Brassica rapa Linnaeus USA: Massachusetts Winchester: Winchester E. F. Williams 1903-5-3
GH: 00592625 Brassica rapa Linnaeus USA: Massachusetts Ashfield: Ashfield E. F. Williams 1909-8-7
NEBC: 00757071 Braya humilis (C. A. Meyer) B. L. Robinson USA: Vermont Willoughby Mountain E. F. Williams 1 1894-8-1
GH: 01097485 Cakile edentula (Bigelow) Hooker Canada: Quebec Province [data not captured] E. F. Williams 1905-7-27
GH: 01023337 Cakile edentula (Bigelow) Hooker USA: Maine Cranberry Isles: Cranberry Isles E. F. Williams 1899-7-24
NEBC: 01023376 Cakile edentula (Bigelow) Hooker USA: New Hampshire Hampton Falls: Hampton Falls E. F. Williams 1901-9-22
GH: 01023377 Cakile edentula (Bigelow) Hooker USA: New Hampshire Newcastle E. F. Williams 1901-9-19
GH: 01023398 Cakile edentula (Bigelow) Hooker USA: Massachusetts Revere: Revere E. F. Williams 1 1896-8-22
GH: 01028219 Cakile edentula (Bigelow) Hooker USA: Massachusetts Revere: Revere E. F. Williams 1896-8-22
NEBC: 01023399 Cakile edentula (Bigelow) Hooker USA: Massachusetts Revere: Revere E. F. Williams 1896-8-22
GH: 01023430 Cakile edentula (Bigelow) Hooker USA: Massachusetts Barnstable Town E. F. Williams 1902-9-14
GH: 01023447 Cakile edentula (Bigelow) Hooker USA: Rhode Island Tiverton: Tiverton E. F. Williams 1903-9-27
GH: 00592742 Camelina microcarpa Andrzejowski ex de Candolle USA: Massachusetts Greenfield: Greenfield E. F. Williams 1910-6-18
GH: 00592778 Camelina sativa (Linnaeus) Crantz USA: New Hampshire Woodsville E. F. Williams 1908-8-8
GH: 00592794 Camelina sativa (Linnaeus) Crantz USA: Massachusetts Dedham: Dedham E. F. Williams 1897-6-27
NEBC: 00592802 Capsella bursa-pastoris (Linnaeus) Medikus USA: Maine Fort Kent: Fort Kent E. F. Williams 1901-8-12
GH: 00592842 Capsella bursa-pastoris (Linnaeus) Medikus USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-24
NEBC: 00592845 Capsella bursa-pastoris (Linnaeus) Medikus USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-24
GH: 00592887 Capsella bursa-pastoris (Linnaeus) Medikus USA: Vermont Ripton: Ripton E. F. Williams 1908-7-4
GH: 00592890 Capsella bursa-pastoris (Linnaeus) Medikus USA: Vermont Ripton: Ripton E. F. Williams 1908-7-3
GH: 00592895 Capsella bursa-pastoris (Linnaeus) Medikus USA: Vermont Wallingford: Wallingford E. F. Williams 1908-5-25
NEBC: 00592958 Capsella bursa-pastoris (Linnaeus) Medikus USA: Massachusetts Boston: Boston, Falmouth St. E. F. Williams 1896-6-11
NEBC: 00592965 Capsella bursa-pastoris (Linnaeus) Medikus USA: Massachusetts Dedham: Dedham E. F. Williams 1895-5-19
GH: 00592970 Capsella bursa-pastoris (Linnaeus) Medikus USA: Massachusetts Sharon: Sharon E. F. Williams 1897-10-17
GH: 00617302 Capsella bursa-pastoris (Linnaeus) Medikus USA: Rhode Island Lonsdale E. F. Williams 1 1904-5-15
GH: 00617312 Capsella bursa-pastoris (Linnaeus) Medikus USA: Connecticut Lyme: Lyme E. F. Williams 1905-6-17
NEBC: 00660161 Cardamine bellidifolia Linnaeus USA: New Hampshire Mount Washington E. F. Williams 1895-7-7
NEBC: 00660162 Cardamine bellidifolia Linnaeus USA: New Hampshire Mount Washington E. F. Williams 1901-8-6
GH: 00660197 Cardamine bulbosa (Schreber ex Muhlenberg) Britton, Stearn & Poggenburg USA: Massachusetts Woburn: Woburn, Shaker Glen E. F. Williams 1895-5-12
GH: 00757382 Cardamine diphylla (Michaux) Alph. Wood USA: Vermont Leicester: Leicester E. F. Williams 1908-5-22
GH: 00757383 Cardamine diphylla (Michaux) Alph. Wood USA: Vermont Brandon: Brandon E. F. Williams 1908-5-22
GH: 00757414 Cardamine diphylla (Michaux) Alph. Wood USA: Massachusetts Concord: Concord E. F. Williams 1898-5-8
NEBC: 00757415 Cardamine diphylla (Michaux) Alph. Wood USA: Massachusetts Concord: Concord E. F. Williams 1898-5-8
GH: 00757444 Cardamine diphylla (Michaux) Alph. Wood USA: Massachusetts Goshen: Goshen E. F. Williams 1907-6-18
NEBC: 00348541 Cardamine parviflora Linnaeus USA: Massachusetts Weston: Weston E. F. Williams 1897-5-16
NEBC: 00348541 Cardamine parviflora arenicola (Britton) O. E. Schulz USA: Massachusetts Weston: Weston E. F. Williams 1897-5-16
NEBC: 00757659 Cardamine parviflora arenicola (Britton) O. E. Schulz USA: Massachusetts Blue Hills Reservation E. F. Williams 1901-5-12
GH: 00558740 Cardamine pensylvanica Muhlenberg ex Willdenow USA: Maine Fort Kent: Fort Kent E. F. Williams 1901-8-11
GH: 00558758 Cardamine pensylvanica Muhlenberg ex Willdenow USA: Maine Mount Desert Island: Mount Desert Island E. F. Williams 1899-7-22
GH: 00558741 Cardamine pensylvanica Muhlenberg ex Willdenow USA: Maine Lincoln Plantation E. F. Williams 1903-7-30
GH: 00558760 Cardamine pensylvanica Muhlenberg ex Willdenow USA: Maine Fort Kent: Fort Kent E. F. Williams 1900-7-26
NEBC: 00579003 Cardamine pensylvanica Muhlenberg ex Willdenow USA: New Hampshire Dummer: Dummer E. F. Williams 1895-7-29
NEBC: 00579005 Cardamine pensylvanica Muhlenberg ex Willdenow USA: New Hampshire E. F. Williams 1896-8-11
GH: 00579112 Cardamine pensylvanica Muhlenberg ex Willdenow USA: Massachusetts South Lawrence E. F. Williams 1900-6-3
GH: 00579115 Cardamine pensylvanica Muhlenberg ex Willdenow USA: Massachusetts Arlington, Zion's hill bog [Woburn/Wincheste... E. F. Williams 1895-6-2
GH: 00579114 Cardamine pensylvanica Muhlenberg ex Willdenow USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
NEBC: 00558815 Cardamine pensylvanica Muhlenberg ex Willdenow USA: Massachusetts Sharon: Sharon E. F. Williams 1896-6-17
GH: 00558945 Cardamine pensylvanica Muhlenberg ex Willdenow USA: Rhode Island Cumberland: Cumberland E. F. Williams 1904-5-29
NEBC: 00617390 Cardamine pratensis palustris Wimm. & Grab. USA: Vermont Wallingford: Wallingford E. F. Williams 1908-5-25
GH: 00617433 Conringia orientalis (Linnaeus) Dumortier USA: Massachusetts Dedham: Dedham E. F. Williams 1897-6-27
NEBC: 00660284 Draba arabisans Michaux USA: Vermont Mount Hor, above fern cave E. F. Williams 1894-7-20
NEBC: 00660292 Draba arabisans Michaux USA: Vermont Willoughby E. F. Williams 1896-7-24
NEBC: 00660303 Draba arabisans Michaux USA: Vermont Cambridge: Cambridge E. F. Williams 1897-7-5
GH: 00617540 Draba verna Linnaeus USA: Massachusetts Barnstable: Barnstable E. F. Williams 1897-4-19
GH: 00617538 Draba verna Linnaeus USA: Massachusetts Barnstable: Barnstable E. F. Williams 1897-4-19
GH: 00617539 Draba verna Linnaeus USA: Massachusetts Barnstable: Barnstable E. F. Williams 1897-4-19
NEBC: 00617544 Draba verna Linnaeus USA: Massachusetts Barnstable: Barnstable E. F. Williams 1897-4-19
GH: 00617557 Draba verna Linnaeus USA: Rhode Island Middletown: Middletown E. F. Williams 1908-5-30
GH: 00617725 Erysimum cheiranthoides Linnaeus USA: Maine Portland: Portland E. F. Williams 1897-7-20
NEBC: 00617727 Erysimum cheiranthoides Linnaeus USA: Maine Portland: Portland E. F. Williams 1897-7-20
GH: 00606931 Hesperis matronalis Linnaeus USA: Massachusetts Cambridge: Cambridge, 12 Reservoir St. E. F. Williams 1910-8-21
GH: 00606953 Hesperis matronalis Linnaeus USA: Massachusetts Walpole: Walpole E. F. Williams 1897-6-17
GH: 00606954 Hesperis matronalis Linnaeus USA: Massachusetts Wrentham: Wrentham E. F. Williams 1897
GH: 00606964 Hesperis matronalis Linnaeus USA: Massachusetts Walpole: E. F. Williams 1897-9-26
NEBC: 00675004 Iberis amara Linnaeus USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-23
NEBC: 00675005 Iberis amara Linnaeus USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-25
GH: 00564956 Lepidium campestre (Linnaeus) W. T. Aiton USA: Massachusetts Milton: Milton E. F. Williams 1895-6-30
GH: 00617857 Lepidium densiflorum Schrader USA: Maine Fort Fairfield: Fort Fairfield E. F. Williams 1901-8-16
GH: 00617883 Lepidium densiflorum Schrader USA: Maine Mount Desert Island: Mount Desert Island E. F. Williams 1899-7-28
GH: 00617914 Lepidium densiflorum Schrader USA: New Hampshire Randolph: Randolph E. F. Williams 1896-8-1
NEBC: 00582248 Lepidium densiflorum Schrader USA: New Hampshire Randolph: Randolph E. F. Williams 1896-8-1
GH: 00582255 Lepidium densiflorum Schrader USA: New Hampshire Warren: Warren E. F. Williams 1907-7-27
GH: 00582259 Lepidium densiflorum Schrader USA: New Hampshire Rye: Rye E. F. Williams 1903-6-14
NEBC: 00582314 Lepidium densiflorum Schrader USA: Massachusetts Boston: Boston, C. St. Botolph & Albermarle ... E. F. Williams 1896-6-8
NEBC: 00582319 Lepidium densiflorum Schrader USA: Massachusetts Milton: Milton E. F. Williams 1895-6-30
GH: 00582324 Lepidium densiflorum Schrader USA: Massachusetts Walpole: Walpole E. F. Williams 1896-6-7
NEBC: 00582325 Lepidium densiflorum Schrader USA: Massachusetts Walpole: Walpole E. F. Williams 1896-7-7
NEBC: 00582336 Lepidium densiflorum Schrader USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-25
GH: 00602046 Lepidium ruderale Linnaeus USA: Massachusetts Arlington Heights E. F. Williams 1896-5-30
GH: 00675011 Lepidium sativum Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams
GH: 01023541 Lepidium virginicum Linnaeus USA: New Hampshire Manchester: Manchester E. F. Williams 1 1903-11-18
NEBC: 01023806 Lepidium virginicum Linnaeus USA: Massachusetts Boston: Boston, C. Albermarle & St. Botolph ... E. F. Williams 1896-6-8
NEBC: 01023821 Lepidium virginicum Linnaeus USA: Massachusetts Milton: Milton E. F. Williams 1895-6-30
GH: 01023825 Lepidium virginicum Linnaeus USA: Massachusetts Walpole: Walpole E. F. Williams 1896-6-7
GH: 01023893 Lepidium virginicum Linnaeus USA: Rhode Island Tiverton: Tiverton E. F. Williams 1 1903-9-27
GH: 00612010 Lobularia maritima (Linnaeus) Desvaux USA: Massachusetts Cambridge: Cambridge, Mt. Auburn E. F. Williams 1897-8-28
GH: 00612015 Lobularia maritima (Linnaeus) Desvaux USA: Massachusetts Scituate: Scituate E. F. Williams 1 1899-10-29
NEBC: 00612019 Lobularia maritima (Linnaeus) Desvaux USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-30
NEBC: 00612059 Nasturtium officinale R. Brown USA: Massachusetts Arlington: Arlington, off Forest St. E. F. Williams 1896-5-30
GH: 00348308 Radicula armoracea (Linnaeus) B. L. Robinson USA: Massachusetts Blue Hills Reservation E. F. Williams 1900-6-10
GH: 00582389 Raphanus raphanistrum Linnaeus USA: Maine Mount Desert Island: Mount Desert Island E. F. Williams 1897-7-12
GH: 00582436 Raphanus raphanistrum Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-11
GH: 00582444 Raphanus raphanistrum Linnaeus USA: New Hampshire Hampton Falls: Hampton Falls E. F. Williams 1901-9-22
GH: 00582453 Raphanus raphanistrum Linnaeus USA: Vermont Norwich: Norwich E. F. Williams 1910-7-11
NEBC: 00582502 Raphanus raphanistrum Linnaeus USA: Massachusetts Scituate: Scituate E. F. Williams 1897-9-6
GH: 00612129 Raphanus raphanistrum Linnaeus USA: Rhode Island Tiverton: Tiverton E. F. Williams 1903-9-27
GH: 00602172 Raphanus raphanistrum Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-25
GH: 00602176 Raphanus raphanistrum Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-13
GH: 00602177 Raphanus raphanistrum Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-13
GH: 00602178 Raphanus raphanistrum Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-13
NEBC: 00602179 Raphanus raphanistrum Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-11
GH: 00602181 Raphanus sativus Linnaeus USA: Massachusetts Dedham: Dedham E. F. Williams 1897-6-27
NEBC: 00602182 Raphanus sativus Linnaeus USA: Massachusetts Dedham: Dedham E. F. Williams 1897-6-27
NEBC: 00602186 Raphanus sativus Linnaeus USA: Massachusetts Norwood: Norwood E. F. Williams 1897-6-27
GH: 00735913 Rorippa palustris (Linnaeus) Besser USA: Maine Van Buren: Van Buren E. F. Williams 1901-8-14
GH: 00735893 Rorippa palustris (Linnaeus) Besser USA: Maine Hanover: Hanover E. F. Williams 1910-7-7
GH: 00735905 Rorippa palustris (Linnaeus) Besser USA: Connecticut Stratford: Stratford E. F. Williams 1 1901-6-9
GH: 00735957 Rorippa palustris (Linnaeus) Besser USA: New Hampshire Jefferson: Jefferson E. F. Williams 1895-7-31
GH: 00735972 Rorippa palustris (Linnaeus) Besser USA: New Hampshire Warren: Warren E. F. Williams 1910-7-23
GH: 00675307 Rorippa palustris (Linnaeus) Besser USA: Vermont Hancock: Hancock E. F. Williams 1908-7-18
GH: 00675308 Rorippa palustris (Linnaeus) Besser USA: Vermont Salisbury: Salisbury E. F. Williams 1908-7-14
GH: 00675340 Rorippa palustris (Linnaeus) Besser USA: Massachusetts Boston: Boston, Bay State road E. F. Williams 1896-6-27
GH: 00733269 Rorippa palustris hispida (Desvaux) Rydberg USA: Vermont Ripton: Ripton E. F. Williams 1908-7-11
NEBC: 00733279 Rorippa palustris hispida (Desvaux) Rydberg USA: Massachusetts Cambridge: West Cambridge E. F. Williams 1897-8-28
GH: 00733283 Rorippa palustris hispida (Desvaux) Rydberg USA: Massachusetts Concord: Concord E. F. Williams 1896-9-30
NEBC: 00733284 Rorippa palustris hispida (Desvaux) Rydberg USA: Massachusetts Concord: Concord E. F. Williams 1896-9-30
GH: 00593924 Rorippa sylvestris (Linnaeus) Besser USA: Connecticut Stratford: Stratford E. F. Williams 1 1904-6-9
GH: 00593835 Rorippa sylvestris (Linnaeus) Besser USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-7
GH: 00593836 Rorippa sylvestris (Linnaeus) Besser USA: New Hampshire Lebanon: Lebanon E. F. Williams 1910-7-11
GH: 00593853 Rorippa sylvestris (Linnaeus) Besser USA: Vermont Norwich: Norwich E. F. Williams 1910-7-11
NEBC: 00593902 Rorippa sylvestris (Linnaeus) Besser USA: Rhode Island Middletown: Middletown E. F. Williams 1911-6-17
GH: 00612221 Sinapis arvensis Linnaeus USA: Maine Somesville E. F. Williams 1910-8-6
GH: 00612248 Sinapis arvensis Linnaeus USA: New Hampshire Mount Washington E. F. Williams 1 1901-8-6
GH: 00612251 Sinapis arvensis Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-25
NEBC: 00612253 Sinapis arvensis Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-25
GH: 00612255 Sinapis arvensis Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-11
GH: 00582544 Sinapis arvensis Linnaeus USA: Massachusetts Milton: Milton E. F. Williams 1900-6-24
GH: 00582568 Sinapis arvensis Linnaeus USA: Rhode Island Middletown: Middletown E. F. Williams 1909-7-3
GH: 00582609 Sisymbrium altissimum Linnaeus USA: Maine Portland: Portland E. F. Williams 1897-7-20
GH: 00582610 Sisymbrium altissimum Linnaeus USA: Maine Portland: Portland E. F. Williams 1897-7-20
NEBC: 00582611 Sisymbrium altissimum Linnaeus USA: Maine Portland: Portland E. F. Williams 1897-7-20
GH: 00582631 Sisymbrium altissimum Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-13
GH: 00582634 Sisymbrium altissimum Linnaeus USA: New Hampshire Woodville E. F. Williams 1908-8-8
GH: 00582655 Sisymbrium altissimum Linnaeus USA: Vermont Ferrisburg E. F. Williams 1908-7-21
GH: 00582656 Sisymbrium altissimum Linnaeus USA: Vermont Salisbury: Salisbury E. F. Williams 1908-7-14
NEBC: 00582698 Sisymbrium altissimum Linnaeus USA: Massachusetts Concord: Concord E. F. Williams 1908-6-20
NEBC: 00582722 Sisymbrium altissimum Linnaeus USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-23
GH: 00582783 Sisymbrium officinale (Linnaeus) Scopoli USA: Massachusetts Concord: Concord E. F. Williams 1908-6-20
GH: 00582867 Sisymbrium officinale leiocarpum de Candolle USA: Vermont Ripton: Ripton E. F. Williams 1908-7-11
GH: 00582887 Sisymbrium officinale leiocarpum de Candolle USA: Massachusetts Concord: Concord E. F. Williams 1908-6-20
GH: 00582888 Sisymbrium officinale leiocarpum de Candolle USA: Massachusetts Concord: Concord E. F. Williams 1908-6-20
NEBC: 00582892 Sisymbrium officinale leiocarpum de Candolle USA: Massachusetts Sudbury: East Sudbury E. F. Williams 1901-7-7
NEBC: 00582921 Sisymbrium officinale leiocarpum de Candolle USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-23
GH: 00582933 Sisymbrium officinale leiocarpum de Candolle USA: Rhode Island Tiverton: Tiverton E. F. Williams 1903-9-27
GH: 00582809 Sisymbrium officinale leiocarpum de Candolle USA: Maine Bethel: Bethel E. F. Williams 1895-7-25
GH: 00582847 Sisymbrium officinale leiocarpum de Candolle USA: New Hampshire Warren: Warren E. F. Williams 1908-7-21
NEBC: 01023963 Subularia aquatica Linnaeus USA: New Hampshire Franconia: Franconia E. F. Williams 1894-8-4
GH: 00582988 Thlaspi arvense Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1 1908-7-24
GH: 00602326 Thlaspi arvense Linnaeus USA: Massachusetts Concord: Concord E. F. Williams 1908-6-20
NEBC: 00602362 Thlaspi arvense Linnaeus USA: Rhode Island Middletown: Middletown E. F. Williams 1911-6-17
NEBC: 01066498 Turritis glabra Linnaeus USA: Vermont Waterbury: Waterbury E. F. Williams 1897-7-9
Bryaceae GH: 00854678 Pohlia wahlenbergii (F. Weber & D. Mohr) A. L. Andrews USA: Rhode Island Middletown: Middletown E. F. Williams 1908-5-30
NEBC: 00854679 Pohlia wahlenbergii (F. Weber & D. Mohr) A. L. Andrews USA: Rhode Island Middletown: Middletown E. F. Williams 1909-7-5
NEBC: 00301905 Webera sessilis Lindberg USA: Massachusetts Blue Hill Path E. F. Williams 1895-1-13
Buxbaumiaceae NEBC: 00301833 Buxbaumia aphylla Hedwig USA: Massachusetts Blue Hill Path E. F. Williams 1895-1-13
Cabombaceae GH: 00502894 Brasenia schreberi J. F. Gmelin USA: Massachusetts Centreville E. F. Williams 1895-6-16
Cactaceae GH: 00581071 Opuntia humifusa (Rafinesque) Rafinesque USA: Massachusetts Nantucket: Nantucket E. F. Williams 1903-9-20
GH: 01875679 Opuntia humifusa (Rafinesque) Rafinesque USA: New Jersey Locust E. F. Williams 1 1900-6-18
GH: 01875680 Opuntia humifusa (Rafinesque) Rafinesque USA: New Jersey Locust E. F. Williams 2 1900-9-1
GH: 01875682 Opuntia humifusa (Rafinesque) Rafinesque USA: New Jersey Sandy Hook E. F. Williams 1900-6-19
Caesalpiniaceae GH: 00747175 Chamaecrista fasciculata (Michaux) Greene USA: Massachusetts Quincy: Quincy E. F. Williams 1904-8-14
NEBC: 00747185 Chamaecrista fasciculata (Michaux) Greene USA: Massachusetts Plymouth: Plymouth E. F. Williams 1898-8-21
NEBC: 00747186 Chamaecrista fasciculata (Michaux) Greene USA: Massachusetts Plymouth: Plymouth E. F. Williams 1898-8-21
NEBC: 00747188 Chamaecrista fasciculata (Michaux) Greene USA: Massachusetts Falmouth: Falmouth E. F. Williams 1911-7-13
NEBC: 00747219 Chamaecrista fasciculata (Michaux) Greene USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-29
GH: 00747231 Chamaecrista fasciculata (Michaux) Greene USA: Rhode Island Portsmouth: Portsmouth E. F. Williams 1907-9-19
GH: 00747287 Chamaecrista nictitans (Linnaeus) Moench USA: Massachusetts Winchester: Winchester, Winter Pond E. F. Williams 1901-10-20
NEBC: 00747289 Chamaecrista nictitans (Linnaeus) Moench USA: Massachusetts Winchester: Winchester, Winter Pond E. F. Williams 1901-10-13
NEBC: 00747290 Chamaecrista nictitans (Linnaeus) Moench USA: Massachusetts Winchester: Winchester, Edge, Winter Pond E. F. Williams 1894-9-2
NEBC: 00747293 Chamaecrista nictitans (Linnaeus) Moench USA: Massachusetts Winchester: Winchester, Winter Pond E. F. Williams 1896-10-11
NEBC: 00654331 Chamaecrista nictitans (Linnaeus) Moench USA: Massachusetts Sharon: Sharon E. F. Williams 1908-9-5
GH: 00654340 Chamaecrista nictitans (Linnaeus) Moench USA: Massachusetts Norwood: Norwood E. F. Williams 1909-9-7
NEBC: 00654358 Chamaecrista nictitans (Linnaeus) Moench USA: Massachusetts Barnstable Town E. F. Williams 1896-7-4
NEBC: 00654313 Chamaecrista nictitans (Linnaeus) Moench USA: Massachusetts Barnstable Town E. F. Williams 1896-9-6
GH: 00747307 Chamaecrista nictitans (Linnaeus) Moench USA: Rhode Island North Kingstown: North Kingstown E. F. Williams 1908-8-28
GH: 01852589 Chamaecrista nictitans (Linnaeus) Moench USA: New Jersey Locust [Middleton Township] E. F. Williams 1900-9-2
GH: 01676011 Gleditsia triacanthos Linnaeus USA: Massachusetts Boston: Back bay lands E. F. Williams 1910-9-17
GH: 01676012 Gleditsia triacanthos Linnaeus USA: Massachusetts Bourne: Cedarville road E. F. Williams 1898-8-21
GH: 00269332 Senna hebecarpa (Fernald) H. S. Irwin & Barneby USA: Massachusetts Weston: Weston E. F. Williams 1896-8-6
NEBC: 00269333 Senna hebecarpa (Fernald) H. S. Irwin & Barneby USA: Massachusetts Weston: Weston E. F. Williams 1896-8-6
GH: 00267225 Senna hebecarpa (Fernald) H. S. Irwin & Barneby USA: Massachusetts Weston: Weston E. F. Williams 1897-9-5
GH: 00267226 Senna hebecarpa (Fernald) H. S. Irwin & Barneby USA: Massachusetts Weston: Weston E. F. Williams 1894-10-14
Campanulaceae NEBC: 00698194 Campanula aparinoides Pursh USA: New Hampshire Alstead: Alstead E. F. Williams 1901-7-27
GH: 00698218 Campanula aparinoides Pursh USA: Massachusetts Boxford: Boxford E. F. Williams 1906-8-19
NEBC: 00698226 Campanula aparinoides Pursh USA: Massachusetts Concord: Concord E. F. Williams 1898-8-28
GH: 00820209 Campanula aparinoides uliginosa (Rydberg) Gleason USA: Massachusetts Sharon: Sharon E. F. Williams 1896-7-12
NEBC: 00820532 Campanula latifolia Linnaeus USA: Vermont Norwich: Norwich E. F. Williams 1910-7-8
GH: 00633213 Campanula rapunculoides Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-25
GH: 00633228 Campanula rapunculoides Linnaeus USA: Vermont Norwich: Norwich E. F. Williams 1910-7-11
GH: 00656771 Campanula rapunculoides Linnaeus USA: Massachusetts Georgetown: Georgetown E. F. Williams 1906-7-4
GH: 00698336 Campanula rotundifolia Linnaeus USA: Maine St. John E. F. Williams 1900-7-23
GH: 00698350 Campanula rotundifolia Linnaeus USA: Maine Mount Katahdin E. F. Williams 1900-7-13
NEBC: 00820343 Campanula rotundifolia Linnaeus USA: Maine Mount Desert (Hancock County): Mount Desert E. F. Williams 1899-7-16
NEBC: 00820369 Campanula rotundifolia Linnaeus USA: New Hampshire Crawford E. F. Williams 1 1895-7-16
NEBC: 00820380 Campanula rotundifolia Linnaeus USA: New Hampshire Sargents E. F. Williams 1893-7-31
NEBC: 00820382 Campanula rotundifolia Linnaeus USA: New Hampshire Mount Monroe E. F. Williams 1 1895-7-8
NEBC: 00820381 Campanula rotundifolia Linnaeus USA: New Hampshire Mount Washington E. F. Williams 2 1895-7-10
NEBC: 00820384 Campanula rotundifolia Linnaeus USA: New Hampshire Mount Washington E. F. Williams 1895-7-10
GH: 00820403 Campanula rotundifolia Linnaeus USA: New Hampshire Mount Monroe E. F. Williams 1896-8-8
NEBC: 00820404 Campanula rotundifolia Linnaeus USA: New Hampshire Mount Monroe E. F. Williams 1896-8-8
NEBC: 00820476 Campanula rotundifolia Linnaeus USA: Massachusetts Concord: Concord E. F. Williams 1898-8-28
GH: 00820478 Campanula rotundifolia Linnaeus USA: Massachusetts Concord: Concord E. F. Williams 1908-8-9
GH: 00820491 Campanula rotundifolia Linnaeus USA: Massachusetts Greenfield: Greenfield E. F. Williams 1910-6-17
GH: 00820495 Campanula rotundifolia Linnaeus USA: Massachusetts Sunderland: Sunderland E. F. Williams 1911
NEBC: 00359346 Specularia perfoliata (Linnaeus) A. de Candolle USA: Massachusetts E. F. Williams
NEBC: 00359346 Triodanis perfoliata (Linnaeus) Nieuwland USA: Massachusetts E. F. Williams
NEBC: 00698978 Triodanis perfoliata (Linnaeus) Nieuwland USA: Maine Old Orchard Beach: Old Orchard Beach E. F. Williams 1906-8-9
GH: 00753011 Triodanis perfoliata (Linnaeus) Nieuwland USA: Massachusetts Arlington: Arlington, Turkey Hill E. F. Williams 1895-6-2
NEBC: 00753015 Triodanis perfoliata (Linnaeus) Nieuwland USA: Massachusetts Concord: Concord E. F. Williams 1908-6-20
GH: 00753016 Triodanis perfoliata (Linnaeus) Nieuwland USA: Massachusetts Framingham: Framingham, Nobscot Hill E. F. Williams 1901-7-7
NEBC: 00693010 Triodanis perfoliata (Linnaeus) Nieuwland USA: Massachusetts Stony Brook Reservation E. F. Williams 2 1897-6-26
GH: 00753083 Triodanis perfoliata (Linnaeus) Nieuwland USA: Massachusetts Barnstable Town E. F. Williams 1896-7-5
NEBC: 00753084 Triodanis perfoliata (Linnaeus) Nieuwland USA: Massachusetts Falmouth: Falmouth E. F. Williams 1911-7-12
NEBC: 00753086 Triodanis perfoliata (Linnaeus) Nieuwland USA: Massachusetts Barnstable Town E. F. Williams 1896-7-5
GH: 00753134 Triodanis perfoliata (Linnaeus) Nieuwland USA: Rhode Island North Kingstown: North Kingstown E. F. Williams 1908-6-17
GH: 00753157 Triodanis perfoliata (Linnaeus) Nieuwland USA: Connecticut Stratford: Stratford E. F. Williams 1901-6-9
Cannabaceae A: 00591387 Humulus japonicus Siebold & Zuccarini USA: Maine Madawaska: Madawaska E. F. Williams 1901-8-12
GH: 00586098 Humulus lupuloides (E. Small) Tembrock USA: New Hampshire Warren: Warren E. F. Williams 1910-7-31
GH: 00586135 Humulus lupuloides (E. Small) Tembrock USA: Massachusetts Manchester: Manchester E. F. Williams 1895-8-18
GH: 00586096 Humulus lupulus Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-13
GH: 00586098 Humulus lupulus Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1910-7-31
GH: 00586131 Humulus lupulus Linnaeus USA: Massachusetts Annisquam E. F. Williams 1897-8-15
GH: 00586135 Humulus lupulus Linnaeus USA: Massachusetts Manchester: Manchester E. F. Williams 1895-8-18
GH: 00586098 Humulus lupulus lupuloides E. Small USA: New Hampshire Warren: Warren E. F. Williams 1910-7-31
GH: 00586135 Humulus lupulus lupuloides E. Small USA: Massachusetts Manchester: Manchester E. F. Williams 1895-8-18
Caprifoliaceae NEBC: 00375928 Diervilla lonicera Miller USA: Massachusetts Blue Hills Reservn. E. F. Williams 1895-6-9
GH: 00443488 Diervilla lonicera Miller USA: Massachusetts Blue Hills Reservation E. F. Williams 1895-6-9
GH: 00682021 Diervilla lonicera Miller USA: Maine Rangeley: Rangeley E. F. Williams 1903-8-3
GH: 00682149 Diervilla lonicera Miller USA: Vermont Ripton: Ripton E. F. Williams 1908-7-11
GH: 00682263 Diervilla lonicera Miller USA: Rhode Island Middletown: Middletown E. F. Williams 1908-5-31
NEBC: 00375928 Diervilla trifida Moench USA: Massachusetts Blue Hills Reservn. E. F. Williams 1895-6-9
GH: 00443488 Diervilla trifida Moench USA: Massachusetts Blue Hills Reservation E. F. Williams 1895-6-9
NEBC: 00633358 Linnaea borealis americana (Forbes) Rehder USA: Maine Mount Desert Island: Mount Desert Island E. F. Williams 2 1899-7-19
NEBC: 00633400 Linnaea borealis americana (Forbes) Rehder USA: New Hampshire Mount Washington E. F. Williams 2 1893-7-13
NEBC: 00633402 Linnaea borealis americana (Forbes) Rehder USA: New Hampshire E. F. Williams 1895-7-18
NEBC: 00633403 Linnaea borealis americana (Forbes) Rehder USA: New Hampshire Mount Washington E. F. Williams 1897-8-8
GH: 00691233 Linnaea borealis americana (Forbes) Rehder USA: Vermont Ripton: Ripton E. F. Williams 1908-7-31
GH: 00691262 Linnaea borealis americana (Forbes) Rehder USA: Massachusetts Manchester: Manchester E. F. Williams 1896-6-13
NEBC: 00551153 Lonicera bella Zabel USA: Massachusetts Boston: Boston, Back Bay E. F. Williams 1910-8-27
NEBC: 00551154 Lonicera bella Zabel USA: Massachusetts Boston: Boston, Back Bay E. F. Williams 1910-9-17
NEBC: 00682386 Lonicera canadensis Bartram ex Marsh. USA: New Hampshire Hart's Location: Hart's Location E. F. Williams 1895-7-16
GH: 00682457 Lonicera canadensis Bartram ex Marsh. USA: Vermont Hancock: Hancock E. F. Williams 1908-7-5
GH: 00682458 Lonicera canadensis Bartram ex Marsh. USA: Vermont Leicester: Leicester E. F. Williams 1908-5-22
NEBC: 00682567 Lonicera canadensis Bartram ex Marsh. USA: Massachusetts Lenox: Lenox E. F. Williams 1910-4-7
GH: 00682610 Lonicera dioica Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-17
NEBC: 00682620 Lonicera dioica Linnaeus USA: New Hampshire Walpole: Walpole E. F. Williams 1901-7-28
GH: 00682707 Lonicera dioica Linnaeus USA: Massachusetts Williamstown: Williamstown E. F. Williams 1901-6-17
GH: 00682733 Lonicera dioica Linnaeus USA: Connecticut Southington: Southington E. F. Williams 1 1901-5-30
NEBC: 00577460 Lonicera japonica Thunberg USA: Massachusetts Falmouth: Falmouth E. F. Williams 1911-7-4
GH: 00577461 Lonicera japonica Thunberg USA: Massachusetts Falmouth: Falmouth E. F. Williams 1911-7-4
GH: 02038749 Lonicera japonica Thunberg USA: New Jersey Locust [Middletown Township] E. F. Williams 1900-6-16
GH: 00577518 Lonicera morrowii A. Gray USA: Massachusetts Holbrook: Holbrook E. F. Williams 1902-5-30
NEBC: 00577520 Lonicera morrowii A. Gray USA: Massachusetts Holbrook: Holbrook E. F. Williams 1902-5-30
NEBC: 00633477 Lonicera sempervirens Linnaeus USA: Massachusetts Dedham: Dedham E. F. Williams 1897-5-31
GH: 00633478 Lonicera sempervirens Linnaeus USA: Massachusetts Dedham: Dedham E. F. Williams 1897-6-27
NEBC: 00633495 Lonicera sempervirens Linnaeus USA: Rhode Island Portsmouth: Portsmouth E. F. Williams 1911-6-18
GH: 02037174 Lonicera sempervirens Linnaeus USA: New Jersey Locust [Middletown Township] E. F. Williams 1900-6-16
A: 00577581 Lonicera tatarica Linnaeus USA: Vermont Brandon: Brandon E. F. Williams 1908-5-21
GH: 00577582 Lonicera tatarica Linnaeus USA: Vermont Brandon: Brandon E. F. Williams 1908-5-21
GH: 00682885 Lonicera villosa (Michaux) Roemer & Schultes USA: New Hampshire Crawford E. F. Williams 1895-7-15
GH: 00682887 Lonicera villosa (Michaux) Roemer & Schultes USA: New Hampshire Crawford E. F. Williams 1893-7-8
GH: 00682945 Lonicera villosa (Michaux) Roemer & Schultes USA: New Hampshire Mount Monroe E. F. Williams 1 1893-7-8
GH: 00682946 Lonicera villosa (Michaux) Roemer & Schultes USA: New Hampshire Jaffrey: Jaffrey E. F. Williams 2 1899-5-28
GH: 00687091 Lonicera villosa (Michaux) Roemer & Schultes USA: Massachusetts Sharon: Sharon E. F. Williams 3 1898-5-15
GH: 00687095 Lonicera villosa (Michaux) Roemer & Schultes USA: Massachusetts Walpole: Walpole E. F. Williams 1 1896-6-7
GH: 00687096 Lonicera villosa (Michaux) Roemer & Schultes USA: Massachusetts Sharon: Sharon E. F. Williams 2 1896-6-17
NEBC: 00687097 Lonicera villosa (Michaux) Roemer & Schultes USA: Massachusetts Sharon: Sharon E. F. Williams 1896-6-17
NEBC: 00687098 Lonicera villosa (Michaux) Roemer & Schultes USA: Massachusetts Walpole: Walpole E. F. Williams 1896-6-7
GH: 00713941 Lonicera villosa (Michaux) Roemer & Schultes USA: Rhode Island Cumberland: Cumberland E. F. Williams 2 1904-5-20
NEBC: 00577693 Lonicera xylosteum Linnaeus USA: Rhode Island Middletown: Middletown E. F. Williams 1908-5-31
A: 00577694 Lonicera xylosteum Linnaeus USA: Rhode Island Middletown: Middletown E. F. Williams 1908-5-31
GH: 00577695 Lonicera xylosteum Linnaeus USA: Rhode Island Middletown: Middletown E. F. Williams 1908-5-31
GH: 00721017 Sambucus nigra canadensis (L.) R. Bolli USA: New Hampshire Mount Washington E. F. Williams 1901-8-5
NEBC: 00721018 Sambucus nigra canadensis (L.) R. Bolli USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-28
GH: 00721019 Sambucus nigra canadensis (L.) R. Bolli USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-28
GH: 00721070 Sambucus nigra canadensis (L.) R. Bolli USA: Vermont Ripton: Ripton E. F. Williams 1908-7-4
GH: 00721762 Sambucus nigra canadensis (L.) R. Bolli USA: Massachusetts Lincoln: Lincoln E. F. Williams 1896-8-29
NEBC: 00721763 Sambucus nigra canadensis (L.) R. Bolli USA: Massachusetts Lincoln: Lincoln E. F. Williams 1896-8-29
NEBC: 00687140 Sambucus nigra canadensis (L.) R. Bolli USA: Massachusetts Dedham: Dedham E. F. Williams 1895-6-23
GH: 00721168 Sambucus nigra canadensis (L.) R. Bolli USA: Rhode Island North Kingstown: North Kingstown E. F. Williams 1908-6-17
GH: 00721207 Sambucus racemosa Linnaeus USA: Maine Stacyville: Stacyville E. F. Williams 1 1901-2-27
NEBC: 00687236 Sambucus racemosa Linnaeus USA: New Hampshire Crawford E. F. Williams 1895-7-15
NEBC: 00687269 Sambucus racemosa Linnaeus USA: New Hampshire Fitzwilliam: Fitzwilliam E. F. Williams 1898-5-29
NEBC: 00687272 Sambucus racemosa Linnaeus USA: New Hampshire Jaffrey: Jaffrey E. F. Williams 1899-5-29
GH: 00687302 Sambucus racemosa Linnaeus USA: Vermont Brandon: Brandon E. F. Williams 1908-5-21
NEBC: 00687335 Sambucus racemosa Linnaeus USA: Massachusetts West Quincy E. F. Williams 1898-5-13
GH: 00702011 Sambucus racemosa Linnaeus USA: Massachusetts Mount Graylock E. F. Williams 1901-6-16
GH: 00702013 Sambucus racemosa Linnaeus USA: Massachusetts Lenox: Lenox E. F. Williams 1910-4-6
GH: 00655585 Symphoricarpos orbiculatus Moench USA: Rhode Island Providence: Providence E. F. Williams 1 1899-10-22
GH: 02036856 Symphoricarpos rivularis Suksdorf USA: Massachusetts Billerica: East Billerica E. F. Williams 1900-8-12
GH: 02036862 Symphoricarpos rivularis Suksdorf USA: Massachusetts Ashfield: Clesson brook valley E. F. Williams 1909-8-8
GH: 02036933 Symphoricarpos rivularis Suksdorf USA: Vermont Ripton: [no additional data] E. F. Williams 1908-7-7
NEBC: 00375933 Triosteum aurantiacum E. P. Bicknell USA: Massachusetts Milton: East slope of Big Blue Hill, Blue Hi... E. F. Williams 1895-9-22
GH: 00680240 Triosteum aurantiacum E. P. Bicknell USA: Massachusetts Georgetown: Georgetown E. F. Williams 1906-8-3
GH: 00680259 Triosteum aurantiacum E. P. Bicknell USA: Massachusetts Weston: Weston E. F. Williams 1897-5-16
GH: 00680261 Triosteum aurantiacum E. P. Bicknell USA: Massachusetts Weston: Weston E. F. Williams 1895-11-17
GH: 00680260 Triosteum aurantiacum E. P. Bicknell USA: Massachusetts Weston: Weston E. F. Williams 1895-9-29
GH: 00680262 Triosteum aurantiacum E. P. Bicknell USA: Massachusetts Woburn: Woburn, Shaker Glen E. F. Williams 2 1896-5-30
GH: 00680263 Triosteum aurantiacum E. P. Bicknell USA: Massachusetts Woburn: Woburn, Shaker Glen E. F. Williams 1 1896-5-30
GH: 00638773 Triosteum aurantiacum E. P. Bicknell USA: Massachusetts Revere: Revere E. F. Williams 1897-6-12
NEBC: 00725043 Triosteum aurantiacum E. P. Bicknell USA: Massachusetts Dedham: Dedham E. F. Williams 1897-5-31
NEBC: 00375933 Triosteum perfoliatum Linnaeus USA: Massachusetts Milton: East slope of Big Blue Hill, Blue Hi... E. F. Williams 1895-9-22
NEBC: 00375933 Triosteum perfoliatum aurantiacum (E. P. Bicknell) Wiegand USA: Massachusetts Milton: East slope of Big Blue Hill, Blue Hi... E. F. Williams 1895-9-22
NEBC: 00375935 Viburnum acerifolium Linnaeus USA: Massachusetts Blue Hills Reservn. E. F. Williams 1895-6-9
GH: 00443511 Viburnum acerifolium Linnaeus USA: Massachusetts Milton: Hillside St., Blue Hills Reserv. E. F. Williams 1895-9-22
GH: 00443512 Viburnum acerifolium Linnaeus USA: Massachusetts Middlesex Fells Reserv. E. F. Williams 1895-10-20
GH: 00702126 Viburnum acerifolium Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1910-7-21
GH: 00702315 Viburnum acerifolium Linnaeus USA: Massachusetts Williamstown: Williamstown E. F. Williams 1901-6-17
GH: 00702339 Viburnum acerifolium Linnaeus USA: Connecticut Lyme: Lyme E. F. Williams 1905-6-17
NEBC: 00375940 Viburnum dentatum Linnaeus USA: Massachusetts Milton: Hillside St., Blue Hills Reservn. E. F. Williams 1895-6-9
NEBC: 00375940 Viburnum dentatum lucidum Aiton USA: Massachusetts Milton: Hillside St., Blue Hills Reservn. E. F. Williams 1895-6-9
NEBC: 00579473 Viburnum dentatum lucidum Aiton USA: Massachusetts Manchester: Manchester E. F. Williams 1895-8-18
NEBC: 00579502 Viburnum dentatum lucidum Aiton USA: Massachusetts Boston: Boston, Brush Hill rd., Readville [H... E. F. Williams 1895-6-9
NEBC: 00579511 Viburnum dentatum lucidum Aiton USA: Massachusetts Milton: Milton E. F. Williams 1895-6-9
NEBC: 00579510 Viburnum dentatum lucidum Aiton USA: Massachusetts Canton: Canton E. F. Williams 1896-4-5
GH: 00579531 Viburnum dentatum lucidum Aiton USA: Massachusetts Barnstable: Osterville E. F. Williams 1895-6-16
NEBC: 00579535 Viburnum dentatum lucidum Aiton USA: Massachusetts Barnstable Town E. F. Williams 1895-6-16
GH: 00579591 Viburnum dentatum lucidum Aiton USA: Massachusetts Ashfield: Ashfield E. F. Williams 1907-7-10
GH: 00579621 Viburnum dentatum lucidum Aiton USA: Rhode Island Middletown: Middletown E. F. Williams 1908-5-31
NEBC: 00579707 Viburnum dentatum venosum (Britton) Gleason USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-20
NEBC: 00579716 Viburnum dentatum venosum (Britton) Gleason USA: Massachusetts Nantucket: Nantucket E. F. Williams 1894-9-8
NEBC: 00687723 Viburnum edule (Michaux) Rafinesque USA: New Hampshire Mount Washington E. F. Williams 1895-7-11
NEBC: 00687729 Viburnum edule (Michaux) Rafinesque USA: New Hampshire Mount Washington E. F. Williams 1898-6-29
NEBC: 00687730 Viburnum edule (Michaux) Rafinesque USA: New Hampshire Sargents E. F. Williams 1895-7-8
GH: 00687753 Viburnum edule (Michaux) Rafinesque USA: New Hampshire Benton: Benton E. F. Williams 1908-8-3
GH: 00687869 Viburnum lantanoides Michaux USA: Massachusetts Mount Graylock E. F. Williams 1901-6-16
GH: 00702394 Viburnum lantanoides Michaux USA: Maine Stacyville: Stacyville E. F. Williams 1 1901-2-27
NEBC: 00702474 Viburnum lantanoides Michaux USA: New Hampshire Mount Clinton E. F. Williams 1895-7-18
NEBC: 00721664 Viburnum lantanoides Michaux USA: New Hampshire West Rindge E. F. Williams 1898-5-29
GH: 00721687 Viburnum lantanoides Michaux USA: Vermont Leicester: Leicester E. F. Williams 1908-5-22
GH: 00721723 Viburnum lantanoides Michaux USA: Massachusetts Gloucester: Gloucester E. F. Williams 1896-6-13
NEBC: 00721724 Viburnum lantanoides Michaux USA: Massachusetts Gloucester: Gloucester E. F. Williams 1896-6-13
NEBC: 00702524 Viburnum lentago Linnaeus USA: Massachusetts Dedham: Dedham E. F. Williams 1893-6-4
NEBC: 00702527 Viburnum lentago Linnaeus USA: Massachusetts Milton: Milton E. F. Williams 1895-9-2
NEBC: 00702586 Viburnum lentago Linnaeus USA: Rhode Island Cumberland: Cumberland E. F. Williams 1903-9-13
NEBC: 00611103 Viburnum nudum cassinoides (Linnaeus) Torrey & A. Gray USA: Maine Eliot: Eliot E. F. Williams 1895-8-27
NEBC: 00611151 Viburnum nudum cassinoides (Linnaeus) Torrey & A. Gray USA: New Hampshire Franconia: Franconia E. F. Williams 1908-8-7
GH: 00611159 Viburnum nudum cassinoides (Linnaeus) Torrey & A. Gray USA: New Hampshire Mt. Moosilauke E. F. Williams 1907-7-30
NEBC: 00611220 Viburnum nudum cassinoides (Linnaeus) Torrey & A. Gray USA: Vermont Mount Mansfield E. F. Williams 1897-7-2
GH: 00611224 Viburnum nudum cassinoides (Linnaeus) Torrey & A. Gray USA: Vermont Mount Mansfield E. F. Williams 1897-7-3
NEBC: 00611270 Viburnum nudum cassinoides (Linnaeus) Torrey & A. Gray USA: Massachusetts Canton: Canton E. F. Williams 1896-4-5
NEBC: 00611269 Viburnum nudum cassinoides (Linnaeus) Torrey & A. Gray USA: Massachusetts Walpole: Walpole E. F. Williams 1896-6-7
GH: 00611306 Viburnum nudum cassinoides (Linnaeus) Torrey & A. Gray USA: Massachusetts Barnstable: Barnstable E. F. Williams 1895-6-17
NEBC: 00611307 Viburnum nudum cassinoides (Linnaeus) Torrey & A. Gray USA: Massachusetts Barnstable: Barnstable E. F. Williams 1895-6-16
NEBC: 00611308 Viburnum nudum cassinoides (Linnaeus) Torrey & A. Gray USA: Massachusetts Norwood: Norwood E. F. Williams 1895-6-23
GH: 00765069 Viburnum opulus trilobum (Marsh.) Clausen USA: New Hampshire Gorham: Gorham E. F. Williams 1895-7-25
Caryophyllaceae GH: 00581089 Agrostemma githago Linnaeus USA: Maine Caribou: Caribou E. F. Williams 1902-7-18
GH: 00581112 Agrostemma githago Linnaeus USA: Maine Portland: Portland E. F. Williams 1910-8-3
NEBC: 00581121 Agrostemma githago Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-25
GH: 00581127 Agrostemma githago Linnaeus USA: New Hampshire North Woodstock E. F. Williams 1908-8-6
GH: 00581133 Agrostemma githago Linnaeus USA: Vermont Norwich: Norwich E. F. Williams 1910-7-8
GH: 00581148 Agrostemma githago Linnaeus USA: Massachusetts Sudbury: East Sudbury E. F. Williams 1901-7-7
GH: 00581154 Agrostemma githago Linnaeus USA: Massachusetts Boston: Boston E. F. Williams 1903-9-3
GH: 00581166 Agrostemma githago Linnaeus USA: Massachusetts Centreville E. F. Williams 1896-7-5
GH: 00581178 Agrostemma githago Linnaeus USA: Rhode Island Tiverton: Tiverton E. F. Williams 1903-9-27
GH: 00342435 Anychia polygonoides Rafinesque USA: Massachusetts Quincy: E. of Dome, Blue Hills Reservation E. F. Williams 1895-9-2
GH: 00755368 Arenaria serpyllifolia Linnaeus USA: Vermont Sudbury: Sudbury E. F. Williams 1908-5-23
NEBC: 00820240 Arenaria serpyllifolia Linnaeus USA: Rhode Island Middletown: Middletown E. F. Williams 1911-6-17
GH: 01742005 Arenaria serpyllifolia Linnaeus USA: New Jersey Locust [Middleton Township] E. F. Williams 1903-7-3
GH: 00820281 Atocion armeria (Linnaeus) Rafinesque USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-13
GH: 00698479 Cerastium arvense Linnaeus USA: Massachusetts Revere: Revere E. F. Williams 1896-6-28
GH: 00564639 Cerastium fontanum vulgare (Hartman) Greuter & Burdet USA: Maine Mt. Desert E. F. Williams 1899-7-22
GH: 00564681 Cerastium fontanum vulgare (Hartman) Greuter & Burdet USA: New Hampshire Mount Washington E. F. Williams 1901-8-6
GH: 00564727 Cerastium fontanum vulgare (Hartman) Greuter & Burdet USA: Vermont Brandon: Brandon E. F. Williams 1908-5-24
GH: 00564728 Cerastium fontanum vulgare (Hartman) Greuter & Burdet USA: Vermont Middlebury: Middlebury E. F. Williams 1908-5-27
GH: 00564791 Cerastium fontanum vulgare (Hartman) Greuter & Burdet USA: Massachusetts Sharon: Sharon E. F. Williams 1896-6-17
GH: 00564852 Cerastium fontanum vulgare (Hartman) Greuter & Burdet USA: Massachusetts Mt. Greylock E. F. Williams 1901-6-16
NEBC: 00564863 Cerastium fontanum vulgare (Hartman) Greuter & Burdet USA: Rhode Island Tiverton: Tiverton E. F. Williams 1903-9-27
NEBC: 00525106 Dianthus armeria Linnaeus USA: Massachusetts Revere: Revere E. F. Williams 1896-6-28
GH: 00525119 Dianthus armeria Linnaeus USA: Massachusetts North Scituate E. F. Williams 1897-9-6
NEBC: 00525130 Dianthus armeria Linnaeus USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-21
NEBC: 00525150 Dianthus armeria Linnaeus USA: Rhode Island Middletown: Middletown E. F. Williams 1911-6-17
GH: 00525151 Dianthus armeria Linnaeus USA: Rhode Island Middletown: Middletown E. F. Williams 1909-7-4
GH: 01744268 Dianthus armeria Linnaeus USA: New Jersey Locust [Middletown Township] E. F. Williams 1900-6-16
GH: 00525229 Dianthus barbatus Linnaeus USA: Massachusetts Cummington: Cummington E. F. Williams 1907-7-8
NEBC: 00525231 Dianthus barbatus Linnaeus USA: Massachusetts Portsmouth E. F. Williams 1911-6-18
GH: 00525240 Dianthus deltoides Linnaeus USA: Maine Bethel: Bethel E. F. Williams 1906-7-24
GH: 00525244 Dianthus deltoides Linnaeus USA: Maine Newry: Newry E. F. Williams 1906-7-24
GH: 00525249 Dianthus deltoides Linnaeus USA: Maine Mount Desert Island: Mount Desert Island E. F. Williams 1897-7-12
GH: 00525324 Dianthus deltoides Linnaeus USA: Massachusetts Ashfield: Ashfield E. F. Williams 1 1907-7-14
NEBC: 00691959 Gypsophila elegans M. Bieberstein USA: Rhode Island Middletown: Middletown E. F. Williams 1911-6-17
NEBC: 00698573 Honckenya peploides robusta (Fernald) Hultén USA: Massachusetts Rockport: Rockport E. F. Williams 1898-8-14
NEBC: 00698577 Honckenya peploides robusta (Fernald) Hultén USA: Massachusetts Barnstable Town E. F. Williams 1896-9-7
NEBC: 00698587 Honckenya peploides robusta (Fernald) Hultén USA: Massachusetts Falmouth: Falmouth E. F. Williams 1901-7-14
GH: 00698595 Honckenya peploides robusta (Fernald) Hultén USA: Massachusetts Barnstable Town E. F. Williams 1896-9-7
GH: 00525430 Lychnis chalcedonica Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-6
GH: 00525445 Lychnis chalcedonica Linnaeus USA: Massachusetts Boxford: Boxford E. F. Williams 1906-8-9
GH: 00525451 Lychnis chalcedonica Linnaeus USA: Massachusetts Scituate: Scituate E. F. Williams 1898-7-9
GH: 00606517 Lychnis flos-cuculi Linnaeus USA: Massachusetts Ashfield: Ashfield E. F. Williams 1907-6-19
NEBC: 00700066 Minuartia groenlandica (Retzius) Ostenfeld USA: New Hampshire Mount Washington E. F. Williams 1893-7-7
NEBC: 00700077 Minuartia groenlandica (Retzius) Ostenfeld USA: New Hampshire Mount Washington E. F. Williams 1897-8-8
GH: 00700088 Minuartia groenlandica (Retzius) Ostenfeld USA: New Hampshire Mount Moosilauke E. F. Williams 1907-7-19
GH: 00700108 Minuartia groenlandica (Retzius) Ostenfeld USA: Vermont Mount Mansfield E. F. Williams 1897-7-7
GH: 00689553 Minuartia michauxii Farwell USA: Massachusetts Greenfield Town E. F. Williams 1910-6-17
NEBC: 00755558 Moehringia lateriflora (Linnaeus) Fenzl USA: Massachusetts Revere: Revere E. F. Williams 1896-6-28
NEBC: 00755559 Moehringia lateriflora (Linnaeus) Fenzl USA: Massachusetts Revere: Revere E. F. Williams 1895-5-26
GH: 00698664 Moehringia lateriflora robusta (Linnaeus) Fenzl USA: Maine Cranberry Isles: Cranberry Isles E. F. Williams 1899-7-20
GH: 00728034 Paronychia argyrocoma albimontana Fernald USA: New Hampshire Mount Willard E. F. Williams 1894-7-19
NEBC: 00728042 Paronychia argyrocoma albimontana Fernald USA: New Hampshire Mount Willard E. F. Williams 1894-7-19
NEBC: 00728049 Paronychia argyrocoma albimontana Fernald USA: New Hampshire Mount Willard E. F. Williams 1894-7-10
NEBC: 00722484 Paronychia canadensis (Linnaeus) Alph. Wood USA: Massachusetts Lexington: Lexington E. F. Williams 1897-9-19
GH: 00722495 Paronychia canadensis (Linnaeus) Alph. Wood USA: Massachusetts Woburn: Woburn, Shaker Glen E. F. Williams 1895-9-1
GH: 00722504 Paronychia canadensis (Linnaeus) Alph. Wood USA: Massachusetts Sharon: Sharon, on Moose Hill E. F. Williams 1896-7-12
GH: 00722503 Paronychia canadensis (Linnaeus) Alph. Wood USA: Massachusetts Lexington: Lexington, on Lincoln Road E. F. Williams 1897-9-19
NEBC: 00722505 Paronychia canadensis (Linnaeus) Alph. Wood USA: Massachusetts Sharon: Sharon E. F. Williams 1896-7-12
GH: 00342435 Paronychia fastigiata (Rafinesque) Fernald USA: Massachusetts Quincy: E. of Dome, Blue Hills Reservation E. F. Williams 1895-9-2
GH: 00722555 Paronychia fastigiata (Rafinesque) Fernald USA: Massachusetts Burlington: Burlington E. F. Williams 1900-8-26
GH: 00722759 Sagina nodosa (Linnaeus) Fenzl USA: Massachusetts Rockport: Rockport E. F. Williams 1 1898-8-14
GH: 00722761 Sagina nodosa (Linnaeus) Fenzl USA: Massachusetts Gloucester: Gloucester E. F. Williams 2 1898-8-14
GH: 00722760 Sagina nodosa (Linnaeus) Fenzl USA: Massachusetts Rockport: Rockport E. F. Williams 3 1897-8-15
NEBC: 00722762 Sagina nodosa (Linnaeus) Fenzl USA: Massachusetts Gloucester: Gloucester E. F. Williams 1898-8-14
NEBC: 00722768 Sagina nodosa (Linnaeus) Fenzl USA: Massachusetts Rockport: Rockport E. F. Williams 1897-8-15
GH: 00612687 Sagina procumbens Linnaeus USA: Maine Mount Desert Island: Mount Desert Island E. F. Williams 1 1897-7-15
NEBC: 00612697 Sagina procumbens Linnaeus USA: Maine Mount Desert Island E. F. Williams 1 1899-7-22
NEBC: 00612699 Sagina procumbens Linnaeus USA: Maine Mount Desert Island: Mount Desert Island E. F. Williams 1897-7-15
NEBC: 00612757 Sagina procumbens Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-11
NEBC: 00612780 Sagina procumbens Linnaeus USA: New Hampshire Rye: Rye E. F. Williams 1 1903-6-14
NEBC: 00612820 Sagina procumbens Linnaeus USA: Massachusetts Rockport: Rockport E. F. Williams 1 1897-8-15
GH: 00612853 Sagina procumbens Linnaeus USA: Massachusetts Scituate: Scituate E. F. Williams 1898-7-10
GH: 00612912 Sagina procumbens Linnaeus USA: Rhode Island Middletown: Middletown E. F. Williams 1909-7-2
NEBC: 00602522 Saponaria officinalis Linnaeus USA: Massachusetts Annisquam E. F. Williams 1897-8-15
GH: 00602523 Saponaria officinalis Linnaeus USA: Massachusetts Boxford: Boxford E. F. Williams 1906-8-26
GH: 00612972 Saponaria officinalis Linnaeus USA: Maine Portland: Portland E. F. Williams 1910-8-3
GH: 00612983 Saponaria officinalis Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-14
GH: 00612984 Saponaria officinalis Linnaeus USA: New Hampshire Alstead: Alstead E. F. Williams 1904-7-27
GH: 00612991 Saponaria officinalis Linnaeus USA: Vermont Weybridge: Weybridge E. F. Williams 1908-7-8
NEBC: 00581202 Scleranthus annuus Linnaeus USA: New Hampshire Hampton: Hampton E. F. Williams 1902-8-31
GH: 00581204 Scleranthus annuus Linnaeus USA: New Hampshire Peterborough: Peterborough E. F. Williams 1901-9-2
GH: 00581203 Scleranthus annuus Linnaeus USA: New Hampshire Hampton: Hampton E. F. Williams 2 1902-8-21
NEBC: 00581208 Scleranthus annuus Linnaeus USA: New Hampshire Rye: Rye E. F. Williams 1 1903-6-14
GH: 00581237 Scleranthus annuus Linnaeus USA: Massachusetts Lexington: Lexington, Lincoln road E. F. Williams 1 1897-6-6
GH: 00581244 Scleranthus annuus Linnaeus USA: Massachusetts Tewksbury: Tewksbury E. F. Williams 1900-11-11
NEBC: 00581251 Scleranthus annuus Linnaeus USA: Massachusetts Weston: Weston E. F. Williams 1 1894-10-14
NEBC: 00602638 Scleranthus annuus Linnaeus USA: Rhode Island Middletown: Middletown E. F. Williams 1911-6-17
GH: 00602656 Scleranthus annuus Linnaeus USA: Connecticut Stratford: Stratford E. F. Williams 1 1901-6-9
GH: 00602655 Scleranthus annuus Linnaeus USA: Connecticut Lyme: Lyme E. F. Williams 3 1905-6-17
NEBC: 00722772 Silene acaulis (Linnaeus) Jacquin USA: New Hampshire Mount Washington E. F. Williams 3 1897-8-4
NEBC: 00722773 Silene acaulis (Linnaeus) Jacquin USA: New Hampshire Mount Washington E. F. Williams 1 1895-7-7
NEBC: 00722774 Silene acaulis (Linnaeus) Jacquin USA: New Hampshire Mount Washington E. F. Williams 2 1893-7-9
NEBC: 00722775 Silene acaulis (Linnaeus) Jacquin USA: New Hampshire Mount Washington E. F. Williams 4 1898-6-23
NEBC: 00722787 Silene acaulis (Linnaeus) Jacquin USA: New Hampshire Mount Washington E. F. Williams 1898-6-23
GH: 00732835 Silene antirrhina Linnaeus USA: Maine Biddeford: Biddeford E. F. Williams 1900-7-28
GH: 00732916 Silene antirrhina Linnaeus USA: Massachusetts Concord: Concord E. F. Williams 1908-6-20
NEBC: 00732890 Silene antirrhina Linnaeus USA: Massachusetts Revere: Revere E. F. Williams 1897-6-12
NEBC: 00732892 Silene antirrhina Linnaeus USA: Massachusetts Revere: Revere E. F. Williams 1896-6-28
GH: 00693032 Silene antirrhina Linnaeus USA: Massachusetts Brookline: Brookline, Hawthorn road E. F. Williams 1899-6-10
GH: 00575532 Silene caroliniana pensylvanica (Michaux) Fernald USA: Massachusetts Waltham: Waltham E. F. Williams 1897-5-16
GH: 00575531 Silene caroliniana pensylvanica (Michaux) Fernald USA: Massachusetts Tewksbury: Tewksbury E. F. Williams 1902-6-7
GH: 00602676 Silene dioica (Linnaeus) Clairville USA: Massachusetts Boston: Boston, Back Bay E. F. Williams 1910-9-17
GH: 00602678 Silene dioica (Linnaeus) Clairville USA: Massachusetts Boston: Boston, near race course, Readville ... E. F. Williams 1900-9-23
NEBC: 00693111 Silene gallica Linnaeus USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-24
GH: 00602748 Silene latifolia alba (Miller) Greuter & Burdet USA: New Hampshire Hanover: Hanover E. F. Williams 1901-7-18
GH: 00602807 Silene latifolia alba (Miller) Greuter & Burdet USA: Massachusetts Lincoln: Lincoln E. F. Williams 1899-7-17
NEBC: 00602810 Silene latifolia alba (Miller) Greuter & Burdet USA: Massachusetts Newton: Newton, Riverside E. F. Williams 1897-8-29
GH: 00602823 Silene latifolia alba (Miller) Greuter & Burdet USA: Massachusetts Boston: Boston, near race course, Readville ... E. F. Williams 1900-9-23
GH: 00602927 Silene noctiflora Linnaeus USA: Massachusetts Buckland: Buckland E. F. Williams 1907-7-10
NEBC: 00602937 Silene noctiflora Linnaeus USA: Rhode Island Middletown: Middletown E. F. Williams 1911-6-18
GH: 00534068 Silene noctiflora Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-9
GH: 00534069 Silene noctiflora Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1907-7-27
NEBC: 00534077 Silene noctiflora Linnaeus USA: Vermont Willoughby E. F. Williams 1896-7-19
NEBC: 00534078 Silene noctiflora Linnaeus USA: Vermont Westmore: Westmore E. F. Williams 1896-7-26
NEBC: 00534083 Silene noctiflora Linnaeus USA: Vermont Willoughby E. F. Williams 1896-7-19
GH: 00534092 Silene noctiflora Linnaeus USA: Vermont Willoughby E. F. Williams 1896-7-19
NEBC: 00525524 Silene vulgaris (Moench) Garcke USA: New Hampshire Crawford Notch E. F. Williams 1899-7-3
GH: 00525545 Silene vulgaris (Moench) Garcke USA: Vermont Salisbury: Salisbury E. F. Williams 1908-7-14
GH: 00525655 Spergula arvensis Linnaeus USA: New Hampshire Chandlers E. F. Williams 1895-7-29
NEBC: 00525666 Spergula arvensis Linnaeus USA: Massachusetts Falmouth: Falmouth E. F. Williams 1911-7-13
NEBC: 00525679 Spergula arvensis Linnaeus USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-21
GH: 00525704 Spergula arvensis Linnaeus USA: Rhode Island Middletown: Middletown E. F. Williams 1908-9-12
GH: 00525731 Spergula arvensis Linnaeus USA: Maine Van Buren: Van Buren E. F. Williams 1901-8-13
GH: 00525783 Spergula arvensis Linnaeus USA: Vermont Willoughby E. F. Williams 1896-7-26
NEBC: 00525784 Spergula arvensis Linnaeus USA: Vermont Willoughby E. F. Williams 1896-7-26
GH: 00525790 Spergula arvensis Linnaeus USA: Vermont Ripton: Ripton E. F. Williams 1908-7-3
NEBC: 00525822 Spergula arvensis Linnaeus USA: Massachusetts Milton: Milton E. F. Williams 1901-5-12
NEBC: 00693183 Spergularia canadensis (Persoon) G. Don USA: Maine Cranberry Isles: Cranberry Isles E. F. Williams 1897-7-17
GH: 00693224 Spergularia canadensis (Persoon) G. Don USA: New Hampshire Hampton: Hampton E. F. Williams 1901-9-22
NEBC: 00693225 Spergularia canadensis (Persoon) G. Don USA: New Hampshire Hampton: Hampton E. F. Williams 1901-9-22
GH: 00693227 Spergularia canadensis (Persoon) G. Don USA: New Hampshire Rye: Rye E. F. Williams 1901-9-19
GH: 00693290 Spergularia marina (Linnaeus) Grisebach USA: Maine Cranberry Isles: Cranberry Isles E. F. Williams 1 1899-7-24
GH: 00693291 Spergularia marina (Linnaeus) Grisebach USA: Maine Cranberry Isles: Cranberry Isles E. F. Williams 1897-7-17
GH: 00693359 Spergularia marina (Linnaeus) Grisebach USA: New Hampshire Rye: Rye E. F. Williams 1 1901-9-19
GH: 00693370 Spergularia marina (Linnaeus) Grisebach USA: Massachusetts Newbury: Newbury E. F. Williams 1898-7-31
GH: 00693427 Spergularia marina (Linnaeus) Grisebach USA: Massachusetts Scituate: Scituate E. F. Williams 1897-9-6
GH: 00693453 Spergularia marina (Linnaeus) Grisebach USA: Massachusetts Barnstable Town E. F. Williams 1902-9-14
NEBC: 00693492 Spergularia marina (Linnaeus) Grisebach USA: Rhode Island Tiverton: Tiverton E. F. Williams 1903-9-27
GH: 00525839 Spergularia rubra (Linnaeus) J. Presl & C. Presl USA: Maine Cranberry Isles: Cranberry Isles E. F. Williams 1 1897-7-17
NEBC: 00525948 Spergularia rubra (Linnaeus) J. Presl & C. Presl USA: Massachusetts Winchester: Winchester E. F. Williams 1895-6-2
NEBC: 00525985 Spergularia rubra (Linnaeus) J. Presl & C. Presl USA: Massachusetts Gosnold: Gosnold E. F. Williams 1911-7-10
GH: 00581317 Spergularia rubra (Linnaeus) J. Presl & C. Presl USA: Rhode Island Providence: Providence E. F. Williams 1 1904-5-22
GH: 00693624 Stellaria alsine Grimm USA: Massachusetts Weston: Weston E. F. Williams 1898-11-13
NEBC: 00693770 Stellaria borealis Bigelow USA: New Hampshire Randolph: Randolph E. F. Williams 1896-8-3
NEBC: 00693771 Stellaria borealis Bigelow USA: New Hampshire Randolph: Randolph E. F. Williams 1896-7-29
NEBC: 00693772 Stellaria borealis Bigelow USA: New Hampshire Randolph: Randolph E. F. Williams 1895-8-3
GH: 00693788 Stellaria borealis Bigelow USA: New Hampshire Benton: Benton E. F. Williams 1907-7-19
NEBC: 00693800 Stellaria borealis Bigelow USA: Vermont Willoughby E. F. Williams 1893-7-9
GH: 00693812 Stellaria borealis Bigelow USA: Vermont Underhill: Underhill E. F. Williams 1897-7-4
GH: 00693833 Stellaria borealis Bigelow USA: Massachusetts Winchester: Winchester, Zion's Hill swamp [s... E. F. Williams 1894-6-3
GH: 00693874 Stellaria borealis Bigelow USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
GH: 00581557 Stellaria graminea Linnaeus USA: Massachusetts Walpole: Walpole E. F. Williams 1896-6-7
GH: 00581590 Stellaria graminea Linnaeus USA: Massachusetts Ashfield: Ashfield E. F. Williams 1907-7-13
NEBC: 00581430 Stellaria graminea Linnaeus USA: New Hampshire Crawford E. F. Williams 1908-7-1
GH: 00581457 Stellaria graminea Linnaeus USA: New Hampshire Rye: Rye E. F. Williams 1903-6-14
NEBC: 00581533 Stellaria graminea Linnaeus USA: Massachusetts Woburn: Woburn, below Zion's Hill E. F. Williams 1894-6-3
NEBC: 01034000 Stellaria longifolia Muhlenberg ex Willdenow USA: New Hampshire Walpole: Walpole E. F. Williams 1901-7-28
GH: 00581771 Stellaria media (Linnaeus) Villars USA: Maine Fort Kent: Fort Kent E. F. Williams 1 1901-8-12
GH: 00591201 Stellaria media (Linnaeus) Villars USA: New Hampshire Mount Washington E. F. Williams 1903-7-24
NEBC: 00591203 Stellaria media (Linnaeus) Villars USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-24
GH: 00591204 Stellaria media (Linnaeus) Villars USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-24
GH: 00591228 Stellaria media (Linnaeus) Villars USA: Vermont Ripton: Ripton E. F. Williams 1908-7-3
NEBC: 00591229 Stellaria media (Linnaeus) Villars USA: Vermont Ripton: Ripton E. F. Williams 1908-7-3
NEBC: 00586022 Stellaria media (Linnaeus) Villars USA: Massachusetts Winchester: Winchester, Winter Pond E. F. Williams 1895-5-12
GH: 00586080 Stellaria media (Linnaeus) Villars USA: Rhode Island Middletown: Middletown E. F. Williams 1908-5-30
GH: 00586082 Stellaria media (Linnaeus) Villars USA: Rhode Island Tiverton: Tiverton E. F. Williams 1903-9-27
GH: 00581677 Vaccaria hispanica (Miller) Rauschert USA: Massachusetts Dedham: Dedham E. F. Williams 1 1901-7-21
Celastraceae GH: 00295161 Celastrus scandens Linnaeus USA: New Hampshire Seabrook: E. F. Williams 1898-8-7
GH: 00295151 Celastrus scandens Linnaeus USA: New Hampshire Warren: E. F. Williams 1908-7-24
GH: 00295190 Celastrus scandens Linnaeus USA: Vermont Salisbury: Lake Dunmore E. F. Williams 1908-7-14
GH: 00295253 Celastrus scandens Linnaeus USA: Massachusetts Ashfield: E. F. Williams 1909-8-4
NEBC: 00295214 Celastrus scandens Linnaeus USA: Massachusetts Arlington: near Turkey hill E. F. Williams 1895-6-2
GH: 00415070 Euonymus europaeus Linnaeus USA: Massachusetts Milton: Old Houghton place, Blue Hills Reser... E. F. Williams 1896-10-25
GH: 00591303 Euonymus europaeus Linnaeus USA: Massachusetts Milton: Milton E. F. Williams 1895-6-9
NEBC: 00591305 Euonymus europaeus Linnaeus USA: Massachusetts Milton: Milton E. F. Williams 1896-10-25
Chenopodiaceae NEBC: 00729706 Atriplex arenaria Nuttall USA: Massachusetts Barnstable Town E. F. Williams 1896-9-7
GH: 00670074 Atriplex dioica (Nuttall) J. F. Macbride USA: New Hampshire Newcastle E. F. Williams 1901-9-19
NEBC: 00670075 Atriplex dioica (Nuttall) J. F. Macbride USA: New Hampshire Newcastle E. F. Williams 1 1901-9-19
NEBC: 00670083 Atriplex dioica (Nuttall) J. F. Macbride USA: Massachusetts Revere: Revere E. F. Williams 1896-8-30
NEBC: 00670084 Atriplex dioica (Nuttall) J. F. Macbride USA: Massachusetts Marshfield: Marshfield E. F. Williams 1896-10-4
GH: 00670135 Atriplex glabriuscula Edmondston USA: New Hampshire Newcastle E. F. Williams 1901-9-19
NEBC: 00650708 Atriplex glabriuscula Edmondston USA: Massachusetts Nahant: Nahant E. F. Williams 1894-9-16
GH: 00650710 Atriplex glabriuscula Edmondston USA: Massachusetts Boston: Boston, Beacon St. E. F. Williams 1893-9-30
NEBC: 00650711 Atriplex glabriuscula Edmondston USA: Massachusetts Marshfield: Marshfield E. F. Williams 1896-10-4
NEBC: 00650712 Atriplex glabriuscula Edmondston USA: Massachusetts Marshfield: Marshfield E. F. Williams 1896-10-4
NEBC: 00650717 Atriplex glabriuscula Edmondston USA: Rhode Island Tiverton: Tiverton E. F. Williams 1903-9-27
GH: 00650753 Atriplex littoralis Linnaeus USA: New Hampshire Rye: Rye E. F. Williams 1901-9-19
NEBC: 00650762 Atriplex littoralis Linnaeus USA: Massachusetts Marshfield: Marshfield E. F. Williams 1896-10-4
GH: 00650771 Atriplex mucronata Rafinesque USA: New Hampshire Hampton Falls: Hampton Falls E. F. Williams 1901-9-22
GH: 00650770 Atriplex mucronata Rafinesque USA: New Hampshire Rye: Rye E. F. Williams 1901-9-19
GH: 00650778 Atriplex mucronata Rafinesque USA: Massachusetts Marshfield: Marshfield E. F. Williams 1896-10-4
GH: 00650783 Atriplex mucronata Rafinesque USA: Massachusetts Rockport: Rockport E. F. Williams 2 1898-8-14
GH: 00650784 Atriplex mucronata Rafinesque USA: Massachusetts Nantucket: Nantucket E. F. Williams 1894-9-9
GH: 00650788 Atriplex mucronata Rafinesque USA: Rhode Island North Kingstown: North Kingstown E. F. Williams 1908-6-17
GH: 00598460 Atriplex patula Linnaeus USA: Maine Van Buren: Van Buren E. F. Williams 1901-8-14
GH: 00598505 Atriplex patula Linnaeus USA: Massachusetts Rockport: Rockport E. F. Williams 1897-8-15
GH: 00592100 Atriplex patula Linnaeus USA: Massachusetts Revere: Revere E. F. Williams 1896-8-30
NEBC: 00592103 Atriplex patula Linnaeus USA: Massachusetts Scituate Harbor E. F. Williams 1899-10-29
GH: 00561331 Chenopodium album Linnaeus USA: Maine Fort Kent: Fort Kent E. F. Williams 1901-8-12
NEBC: 00561648 Chenopodium album Linnaeus USA: Massachusetts Wianno: E. F. Williams 1896-9-6
GH: 00561513 Chenopodium album Linnaeus USA: New Hampshire Woodsville E. F. Williams 1910-7-19
GH: 00561543 Chenopodium album Linnaeus USA: Vermont Ripton: ripton E. F. Williams 1908-7-5
NEBC: 00561598 Chenopodium album Linnaeus USA: Massachusetts Waltham: Waltham E. F. Williams 1895-10-6
NEBC: 00561600 Chenopodium album Linnaeus USA: Massachusetts Woburn: Woburn, near Horn Pond E. F. Williams 1896-10-11
NEBC: 00561616 Chenopodium album Linnaeus USA: Massachusetts Revere: Revere E. F. Williams 1896-8-30
GH: 00561628 Chenopodium album Linnaeus USA: Massachusetts Sharon: Sharon E. F. Williams 1896-7-12
NEBC: 00561637 Chenopodium album Linnaeus USA: Massachusetts North Scituate E. F. Williams 1897-9-6
NEBC: 00561649 Chenopodium album Linnaeus USA: Massachusetts Osterville E. F. Williams 1896-9-6
GH: 00561696 Chenopodium album Linnaeus USA: Rhode Island Middletown: Middletown E. F. Williams 1908-9-13
GH: 00598873 Chenopodium album Linnaeus USA: Massachusetts Concord: Concord, Lowell St. E. F. Williams 1896-9-20
NEBC: 00598874 Chenopodium album Linnaeus USA: Massachusetts Concord: Concord E. F. Williams 1896-9-20
NEBC: 00598874 Chenopodium berlandieri bushianum (Aellen) Cronquist USA: Massachusetts Concord: Concord E. F. Williams 1896-9-20
GH: 00598875 Chenopodium berlandieri bushianum (Aellen) Cronquist USA: Massachusetts Lincoln: Lincoln E. F. Williams 1902-10-5
NEBC: 00598881 Chenopodium berlandieri bushianum (Aellen) Cronquist USA: Massachusetts Woburn: Woburn, near ice house, Horn Pond E. F. Williams 1896-10-11
NEBC: 00598887 Chenopodium berlandieri bushianum (Aellen) Cronquist USA: Massachusetts Scituate: Scituate E. F. Williams 1 1899-10-29
GH: 00598968 Chenopodium glaucum Linnaeus USA: Vermont Vergennes: Vergennes E. F. Williams 1908-7-21
GH: 00598980 Chenopodium glaucum Linnaeus USA: Massachusetts Sudbury: East Sudbury E. F. Williams 1901-7-7
GH: 00592279 Chenopodium glaucum Linnaeus USA: Massachusetts Walpole: Walpole E. F. Williams 1897-9-26
NEBC: 00592280 Chenopodium glaucum Linnaeus USA: Massachusetts Walpole: Walpole E. F. Williams 1897-9-26
NEBC: 00592289 Chenopodium glaucum Linnaeus USA: Rhode Island Middletown: Middletown E. F. Williams 1911-6-17
GH: 00670684 Chenopodium macrocalycium Aellen USA: New Hampshire Rye: Rye E. F. Williams 1901-9-19
NEBC: 00598874 Chenopodium paganum Reichenbach USA: Massachusetts Concord: Concord E. F. Williams 1896-9-20
NEBC: 00670734 Chenopodium pratericola Rydberg USA: Massachusetts Plum Island E. F. Williams 1899-8-4
NEBC: 00670741 Chenopodium pratericola Rydberg USA: Massachusetts Revere: Revere E. F. Williams 1896-8-30
GH: 00670773 Chenopodium rubrum Linnaeus USA: New Hampshire Hampton: Hampton E. F. Williams 1 1901-9-22
GH: 00670774 Chenopodium rubrum Linnaeus USA: New Hampshire Newcastle E. F. Williams 2 1901-9-19
NEBC: 00670831 Chenopodium simplex (Torrey) Rafinesque USA: New Hampshire Walpole: Walpole E. F. Williams 1901-7-28
NEBC: 00732178 Chenopodium simplex (Torrey) Rafinesque USA: Massachusetts Concord: Concord E. F. Williams 1908-8-30
NEBC: 00732184 Chenopodium simplex (Torrey) Rafinesque USA: Massachusetts Waltham: Waltham, Feake's hill [Mount Feake] E. F. Williams 1898-11-13
GH: 00732187 Chenopodium simplex (Torrey) Rafinesque USA: Massachusetts Boston: Boston, Westland Ave. E. F. Williams 1896-8-28
NEBC: 00732188 Chenopodium simplex (Torrey) Rafinesque USA: Massachusetts Boston: Boston, Westland Ave. E. F. Williams 1896-8-28
GH: 00754634 Salicornia bigelovii Torrey USA: New Hampshire Rye: Rye E. F. Williams 1901-9-19
GH: 00754633 Salicornia bigelovii Torrey USA: New Hampshire Hampton: Hampton E. F. Williams 1901-9-22
NEBC: 00754635 Salicornia bigelovii Torrey USA: New Hampshire Rye: Rye E. F. Williams 1901-9-19
GH: 00754663 Salicornia bigelovii Torrey USA: Massachusetts Scituate: Scituate E. F. Williams 1897-9-6
GH: 00754662 Salicornia bigelovii Torrey USA: Massachusetts Scituate: Scituate E. F. Williams 1899-10-29
NEBC: 00754665 Salicornia bigelovii Torrey USA: Massachusetts Scituate: Scituate E. F. Williams 1899-10-29
GH: 00754686 Salicornia bigelovii Torrey USA: Massachusetts Marshfield: Marshfield E. F. Williams 1896-10-4
GH: 00754685 Salicornia bigelovii Torrey USA: Massachusetts Barnstable Town E. F. Williams 1896-9-7
GH: 00754684 Salicornia bigelovii Torrey USA: Massachusetts Marshfield: Marshfield E. F. Williams 1895-10-13
GH: 00754726 Salicornia depressa Standley USA: Maine Cranberry Isles: Cranberry Isles E. F. Williams 1910-8-8
GH: 00754783 Salicornia depressa Standley USA: New Hampshire Rye: Rye E. F. Williams 1 1901-9-19
NEBC: 00754784 Salicornia depressa Standley USA: New Hampshire Rye: Rye E. F. Williams 1901-9-19
NEBC: 00754827 Salicornia depressa Standley USA: Massachusetts Marshfield: Marshfield E. F. Williams 1896-10-4
GH: 00754830 Salicornia depressa Standley USA: Massachusetts Scituate: Scituate E. F. Williams 1899-10-29
GH: 00754847 Salicornia depressa Standley USA: Massachusetts Barnstable Town E. F. Williams 1 1896-9-7
GH: 00754848 Salicornia depressa Standley USA: Massachusetts E. F. Williams 2 1896-10-4
NEBC: 00754873 Salicornia depressa Standley USA: Rhode Island Tiverton: Tiverton E. F. Williams 1 1903-9-27
GH: 00754913 Salicornia maritima Wolff & Jefferies USA: Maine Cranberry Isles: Cranberry Isles E. F. Williams 1910-8-8
GH: 00732318 Salsola kali Linnaeus USA: New Hampshire Newcastle E. F. Williams 1 1901-9-19
GH: 00732319 Salsola kali Linnaeus USA: New Hampshire Rye: Rye E. F. Williams 1 1901-9-19
NEBC: 00732324 Salsola kali Linnaeus USA: Massachusetts Nahant: Nahant E. F. Williams 1894-9-16
GH: 00732342 Salsola kali Linnaeus USA: Massachusetts Scituate: Scituate E. F. Williams 1 1899-10-29
GH: 00732343 Salsola kali Linnaeus USA: Massachusetts North Scituate E. F. Williams 1896-9-6
NEBC: 00732344 Salsola kali Linnaeus USA: Massachusetts North Scituate E. F. Williams 1896-9-6
GH: 00610540 Salsola tragus Linnaeus USA: Massachusetts Dedham: Dedham E. F. Williams 1897-8-22
GH: 00610543 Salsola tragus Linnaeus USA: Massachusetts Quincy: Quincy E. F. Williams 1909-9-6
GH: 00610560 Salsola tragus Linnaeus USA: Massachusetts Scituate: Scituate E. F. Williams 1899-10-29
GH: 00610577 Salsola tragus Linnaeus USA: Rhode Island Tiverton: Tiverton E. F. Williams 1903-9-27
NEBC: 00732433 Sarcocornia perennis USA: Massachusetts Scituate: Scituate E. F. Williams 1893-9-17
GH: 00732434 Sarcocornia perennis USA: Massachusetts Marshfield: Marshfield E. F. Williams 1896-10-4
NEBC: 00732443 Sarcocornia perennis USA: Massachusetts Barnstable Town E. F. Williams 1902-9-14
GH: 00732484 Sarcocornia perennis USA: Rhode Island North Kingstown: North Kingstown E. F. Williams 1908-6-17
GH: 01785208 Sarcocornia perennis USA: New Jersey [data not captured] E. F. Williams 1903-7-8
NEBC: 00732427 Sarcocornia perennis pontica (Miller) A. J. Scott USA: Massachusetts Marshfield: Marshfield E. F. Williams 1895-10-13
GH: 00643931 Spinacia oleracea Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1910-7-28
GH: 00629005 Suaeda calceoliformis (Hooker) Moquin-Tandon USA: Maine Cranberry Isles: Cranberry Isles E. F. Williams 1910-8-8
GH: 00629031 Suaeda calceoliformis (Hooker) Moquin-Tandon USA: Massachusetts Marshfield: Marshfield E. F. Williams 1896-10-4
NEBC: 00732516 Suaeda linearis (Elliott) Moquin-Tandon USA: New Hampshire Hampton Falls: Hampton Falls E. F. Williams 1901-9-22
NEBC: 00732518 Suaeda linearis (Elliott) Moquin-Tandon USA: New Hampshire Rye: Rye E. F. Williams 1901-9-19
NEBC: 00732542 Suaeda linearis (Elliott) Moquin-Tandon USA: Massachusetts Revere: Revere E. F. Williams 1896-8-30
NEBC: 00732549 Suaeda linearis (Elliott) Moquin-Tandon USA: Massachusetts Marshfield: Marshfield E. F. Williams 1896-10-4
NEBC: 00732553 Suaeda linearis (Elliott) Moquin-Tandon USA: Massachusetts Scituate: Scituate E. F. Williams 1899-10-29
GH: 00732567 Suaeda linearis (Elliott) Moquin-Tandon USA: Massachusetts Barnstable Town E. F. Williams 1902-9-14
NEBC: 00732583 Suaeda linearis (Elliott) Moquin-Tandon USA: Rhode Island Tiverton: Tiverton E. F. Williams 1 1903-9-27
GH: 00660672 Suaeda maritima (Linnaeus) Dumortier USA: Maine Cranberry Isles: Cranberry Isles E. F. Williams 1910-8-8
NEBC: 00660676 Suaeda maritima (Linnaeus) Dumortier USA: Maine Mount Desert Island: Mount Desert Island E. F. Williams 1899-7-22
NEBC: 00660677 Suaeda maritima (Linnaeus) Dumortier USA: Maine Mount Desert Island: Mount Desert Island E. F. Williams 1910-8-6
NEBC: 00660725 Suaeda maritima (Linnaeus) Dumortier USA: Maine York: York E. F. Williams 1898-7-24
NEBC: 00660736 Suaeda maritima (Linnaeus) Dumortier USA: New Hampshire Rye: Rye E. F. Williams 1901-9-19
NEBC: 00660737 Suaeda maritima (Linnaeus) Dumortier USA: New Hampshire Rye: Rye E. F. Williams 1901-9-19
GH: 00660741 Suaeda maritima (Linnaeus) Dumortier USA: Massachusetts Gloucester: Gloucester E. F. Williams 1898-8-14
GH: 00660742 Suaeda maritima (Linnaeus) Dumortier USA: Massachusetts Plum Island E. F. Williams 1899-8-4
NEBC: 00660746 Suaeda maritima (Linnaeus) Dumortier USA: Massachusetts Ipswich: Ipswich E. F. Williams 1899-8-9
NEBC: 00660761 Suaeda maritima (Linnaeus) Dumortier USA: Massachusetts Revere: Revere E. F. Williams 1896-8-30
GH: 00660774 Suaeda maritima (Linnaeus) Dumortier USA: Massachusetts Scituate: Scituate E. F. Williams 1899-10-29
NEBC: 00660775 Suaeda maritima (Linnaeus) Dumortier USA: Massachusetts Scituate: Scituate E. F. Williams 1 1899-10-29
GH: 00660777 Suaeda maritima (Linnaeus) Dumortier USA: Massachusetts Scituate: Scituate E. F. Williams 1897-9-6
NEBC: 00660778 Suaeda maritima (Linnaeus) Dumortier USA: Massachusetts Scituate: Scituate E. F. Williams 1897-9-6
NEBC: 00660787 Suaeda maritima (Linnaeus) Dumortier USA: Massachusetts Barnstable Town E. F. Williams 1909-9-14
NEBC: 00660848 Suaeda maritima richii (Fernald) Bassett & C.W. Crompton USA: Massachusetts Plum Island E. F. Williams 1899-8-4
Cistaceae GH: 00699385 Crocanthemum bicknellii (Fernald) Janchen USA: Massachusetts Nantucket: Nantucket E. F. Williams 1903-9-20
NEBC: 00699531 Crocanthemum canadense (Linnaeus) Britton USA: Massachusetts Concord: Concord E. F. Williams 1896-9-27
NEBC: 00699548 Crocanthemum canadense (Linnaeus) Britton USA: Massachusetts Woburn: Woburn, Whispering hill E. F. Williams 1898-11-20
NEBC: 00699562 Crocanthemum canadense (Linnaeus) Britton USA: Massachusetts Holbrook: Holbrook E. F. Williams 1899-6-18
NEBC: 00699603 Crocanthemum canadense (Linnaeus) Britton USA: Massachusetts Barnstable Town E. F. Williams 1895-6-17
GH: 00699807 Hudsonia ericoides Linnaeus USA: Maine Mount Desert Island: Mount Desert Island E. F. Williams 1897-7-16
NEBC: 00757102 Hudsonia ericoides Linnaeus USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-20
GH: 00684979 Hudsonia tomentosa Nuttall USA: Massachusetts Barnstable Town E. F. Williams 1895-6-16
NEBC: 00684995 Hudsonia tomentosa Nuttall USA: Massachusetts Woods Hole E. F. Williams 1911-7-7
NEBC: 00750456 Hudsonia tomentosa Nuttall USA: Massachusetts Gosnold: Elisabeth Islands, Nashawena Island E. F. Williams 1911-7-10
NEBC: 00750457 Hudsonia tomentosa Nuttall USA: Massachusetts Gosnold: Gosnold E. F. Williams 1911-7-10
NEBC: 00415190 Lechea intermedia Leggett ex Britton USA: Massachusetts Blue Hills [Reservation] E. F. Williams 1895-9-22
GH: 00443487 Lechea intermedia Leggett ex Britton USA: Massachusetts Blue Hills Reservation E. F. Williams 1895-9-22
NEBC: 00573667 Lechea intermedia Leggett ex Britton USA: New Hampshire Hanover: Hanover E. F. Williams
NEBC: 00573673 Lechea intermedia Leggett ex Britton USA: New Hampshire Wentworth: Wentworth E. F. Williams 1910-7-26
NEBC: 00573693 Lechea intermedia Leggett ex Britton USA: New Hampshire Rye: Rye E. F. Williams 1901-9-19
NEBC: 00573731 Lechea intermedia Leggett ex Britton USA: Vermont Pownal: Pownal E. F. Williams 1899-9-11
GH: 00573746 Lechea intermedia Leggett ex Britton USA: Massachusetts between Concord & Carlisle E. F. Williams 1894-10-21
NEBC: 00573781 Lechea intermedia juniperina (E. P. Bicknell) B. L. Robinson USA: Maine Mount Desert Island E. F. Williams 1899-7-27
GH: 00573845 Lechea intermedia juniperina (E. P. Bicknell) B. L. Robinson USA: New Hampshire Grafton: Grafton E. F. Williams 1 1895-7-26
GH: 00568774 Lechea intermedia juniperina (E. P. Bicknell) B. L. Robinson USA: New Hampshire Randolph: Randolph E. F. Williams 1895-7-21
GH: 00443487 Lechea maritima Leggett ex Britton USA: Massachusetts Blue Hills Reservation E. F. Williams 1895-9-22
GH: 00757216 Lechea maritima Leggett ex Britton USA: Massachusetts Tewksbury: Tewksbury E. F. Williams 1 1899-9-24
NEBC: 00757238 Lechea maritima Leggett ex Britton USA: Massachusetts Dedham: Dedham E. F. Williams 1897-8-22
NEBC: 00750550 Lechea minor Linnaeus USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-25
GH: 00757937 Lechea tenuifolia Michaux USA: Massachusetts Weston: Weston E. F. Williams 1894-10-7
GH: 00757938 Lechea tenuifolia Michaux USA: Massachusetts E. F. Williams 1895-9-2
NEBC: 00757939 Lechea tenuifolia Michaux USA: Massachusetts Weston: Weston E. F. Williams 1894-10-7
Cladoniaceae NEBC: 00436150 Cladonia arbuscula (Wallroth) Flotow USA: Massachusetts [data not captured] E. F. Williams 1898-4-19
NEBC: 00436163 Cladonia cervicornis verticillata (Hoffmann) Ahti USA: Vermont [data not captured] E. F. Williams 1898-6-14
NEBC: 00436164 Cladonia cervicornis verticillata (Hoffmann) Ahti USA: Massachusetts [data not captured] E. F. Williams 1898-5-15
NEBC: 00436275 Cladonia cristatella Tuckerman USA: Massachusetts Norwood: [data not captured] E. F. Williams 1898-5-15
Clavariaceae FH: 00588024 Ramaria sp. USA: New Hampshire Mt. Madison: [data not captured] E. F. Williams s.n. 1896-8-14
Commelinaceae GH: 00567768 Commelina communis Linnaeus USA: Massachusetts Cambridge: Cambridge, on Huron Ave. E. F. Williams 1910-9-3
NEBC: 00699967 Lechea mucronata (do not use) Rafinesque USA: Massachusetts Woburn: Woburn, Whispering hill E. F. Williams 1898-11-20
NEBC: 00567786 ohiensis USA: Massachusetts Walpole: Walpole E. F. Williams 1896-6-7
GH: 00567810 Tradescantia virginiana Linnaeus USA: Massachusetts Walpole: Walpole E. F. Williams 1896-6-7
GH: 00567811 Tradescantia virginiana Linnaeus USA: Massachusetts Osterville E. F. Williams 1895-6-16
Conocephalaceae NEBC: 00497269 Conocephalum conicum (Linnaeus) Underwood USA: Massachusetts Norwood: [data not captured] E. F. Williams 1896-6-21
Convolvulaceae GH: 01154859 Calystegia pubescens Lindley USA: New Hampshire Randolph: E. F. Williams 1896-7-31
NEBC: 00655729 Calystegia sepium americana (Sims) Brummitt USA: Massachusetts Revere: Revere E. F. Williams 1896-6-28
NEBC: 00633811 Calystegia sepium americana (Sims) Brummitt USA: Massachusetts Falmouth: Falmouth E. F. Williams 1911-7-6
NEBC: 00633813 Calystegia sepium americana (Sims) Brummitt USA: Massachusetts Falmouth: Falmouth E. F. Williams 1911-7-5
NEBC: 00633829 Calystegia sepium americana (Sims) Brummitt USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-31
GH: 02055340 Calystegia sepium americana (Sims) Brummitt USA: New Jersey Locust [Middletown Township] E. F. Williams 1900-6-16
GH: 00765057 Calystegia sepium appalachiana Brummitt USA: Vermont Norwich: Norwich E. F. Williams 1910-7-15
GH: 00655639 Calystegia sepium americana (Sims) Matsuda USA: Maine Mount Desert Island: Mount Desert Island E. F. Williams 1899-7-16
GH: 00655702 Calystegia sepium americana (Sims) Matsuda USA: New Hampshire Rye: Rye E. F. Williams 1903-6-14
GH: 00655792 Convolvulus arvensis Linnaeus USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-22
NEBC: 00655793 Convolvulus arvensis Linnaeus USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-22
GH: 01154859 Convolvulus pellitus anestius Fernald USA: New Hampshire Randolph: E. F. Williams 1896-7-31
GH: 00054288 Convolvulus sepium malachophyllus Fernald USA: Rhode Island Wickford E. F. Williams 1908-6-17
NEBC: 00714769 Cuscuta gronovii Willdenow ex Roemer & Schultes USA: Massachusetts Newton: Newton, Hammond pond E. F. Williams 1895-11-3
NEBC: 00714768 Cuscuta gronovii Willdenow ex Roemer & Schultes USA: Massachusetts Woburn: Woburn, Horn Pond E. F. Williams 2 1896-10-11
NEBC: 00725026 Cuscuta gronovii Willdenow ex Roemer & Schultes USA: Massachusetts Boxford: Boxford E. F. Williams 1899-8-3
NEBC: 00725037 Cuscuta gronovii Willdenow ex Roemer & Schultes USA: Massachusetts Rockport: Rockport E. F. Williams 1 1897-8-15
NEBC: 00714770 Cuscuta gronovii Willdenow ex Roemer & Schultes USA: Massachusetts Woburn: Woburn, Shaker Glen E. F. Williams 1895-9-1
NEBC: 00714816 Cuscuta gronovii Willdenow ex Roemer & Schultes USA: Massachusetts Gosnold: Gosnold E. F. Williams 1911-7-10
GH: 00714926 Cuscuta gronovii latiflora Engelmann USA: Massachusetts Sharon: Sharon E. F. Williams 1899-9-10
NEBC: 00714949 Cuscuta pentagona Engelmann USA: Massachusetts Winchester: Winchester, Winter Pond E. F. Williams 1896-10-11
NEBC: 00668538 Ipomoea hederifolia Linnaeus USA: Massachusetts Cambridge: Cambridge, Mt. Auburn E. F. Williams 1897-8-28
GH: 00633889 Ipomoea purpurea (Linnaeus) Roth USA: Massachusetts Cambridge: Cambridge, Huron Ave. E. F. Williams 1910-9-19
GH: 00633890 Ipomoea purpurea (Linnaeus) Roth USA: Massachusetts Cambridge: Cambridge, Mt. Auburn E. F. Williams 1897-8-28
GH: 00633892 Ipomoea purpurea (Linnaeus) Roth USA: Massachusetts Concord: Concord E. F. Williams 1908-8-27
GH: 00633893 Ipomoea purpurea (Linnaeus) Roth USA: Massachusetts Concord: Concord E. F. Williams 1908-8-27
Cornaceae GH: 00415979 Benthamidia florida (Linnaeus) Spach USA: Massachusetts Melrose: The Cascade Middlesex Fells Reserv. E. F. Williams 1896-5-3
NEBC: 00415982 Benthamidia florida (Linnaeus) Spach USA: Massachusetts Canton: near Ponkapoag pond [Blue HIlls Rese... E. F. Williams 1899-5-21
GH: 00387601 Benthamidia florida (Linnaeus) Spach USA: Massachusetts Middlesex Fells Reserv. E. F. Williams 1895-4-19
GH: 00387602 Benthamidia florida (Linnaeus) Spach USA: Massachusetts Canton: Pecunit St. E. F. Williams 1895-5-5
NEBC: 00629837 Cornus alternifolia Linnaeus f. USA: New Hampshire Crawford E. F. Williams 1895-7-16
GH: 00773444 Cornus alternifolia Linnaeus f. USA: Vermont Wallingford: Wallingford E. F. Williams 1908-5-25
GH: 00773457 Cornus alternifolia Linnaeus f. USA: Massachusetts Georgetown: Georgetown E. F. Williams 1906-8-2
NEBC: 00773459 Cornus alternifolia Linnaeus f. USA: Massachusetts Arlington: Arlington E. F. Williams 1895-6-2
GH: 00773537 Cornus alternifolia Linnaeus f. USA: Massachusetts Mount Greylock E. F. Williams 1 1901-6-16
GH: 00767037 Cornus alternifolia Linnaeus f. USA: Rhode Island Middletown: Middletown E. F. Williams 1908-5-31
A: 00767112 Cornus amomum Miller USA: Massachusetts Lincoln: Lincoln E. F. Williams 1896-8-29
NEBC: 00767113 Cornus amomum Miller USA: Massachusetts Lincoln: Lincoln E. F. Williams 1896-8-29
GH: 00767127 Cornus amomum Miller USA: Massachusetts Milton: Milton E. F. Williams 1895-6-30
GH: 00767131 Cornus amomum Miller USA: Massachusetts Sharon: Sharon E. F. Williams 1896-7-12
GH: 00767195 Cornus amomum Miller USA: Rhode Island North Kingstown: North Kingstown E. F. Williams 1908-6-17
NEBC: 00760732 Cornus canadensis Linnaeus USA: New Hampshire Mount Washington E. F. Williams 1895-7-11
NEBC: 00760735 Cornus canadensis Linnaeus USA: New Hampshire Mount Washington E. F. Williams 1893-7-13
NEBC: 00387609 Cornus circinata L'Heritier USA: Massachusetts Quincy: Dome, Blue Hills [Reservation] E. F. Williams 1895-9-2
NEBC: 00387611 Cornus circinata L'Heritier USA: Massachusetts Blue Hills Reservation E. F. Williams 1900-6-10
NEBC: 00387612 Cornus circinata L'Heritier USA: Massachusetts Blue Hills Reservation E. F. Williams 1900-6-10
GH: 00415979 Cornus florida Linnaeus USA: Massachusetts Melrose: The Cascade Middlesex Fells Reserv. E. F. Williams 1896-5-3
NEBC: 00415982 Cornus florida Linnaeus USA: Massachusetts Canton: near Ponkapoag pond [Blue HIlls Rese... E. F. Williams 1899-5-21
GH: 00387601 Cornus florida Linnaeus USA: Massachusetts Middlesex Fells Reserv. E. F. Williams 1895-4-19
GH: 00387602 Cornus florida Linnaeus USA: Massachusetts Canton: Pecunit St. E. F. Williams 1895-5-5
NEBC: 00767243 Cornus florida Linnaeus USA: Massachusetts Chestnut Hill [Boston/Brookline/Newton] E. F. Williams 1896-5-17
GH: 00773713 Cornus intermedia (Farr) Calder & Roy L. Taylor USA: Maine E. F. Williams 1900-7-17
GH: 00773714 Cornus intermedia (Farr) Calder & Roy L. Taylor USA: Maine Fort Kent: Fort Kent E. F. Williams 1900-7-21
GH: 00773716 Cornus intermedia (Farr) Calder & Roy L. Taylor USA: Maine Mount Katahdin E. F. Williams 1900-7-9
GH: 00773739 Cornus intermedia (Farr) Calder & Roy L. Taylor USA: New Hampshire Rye: Rye E. F. Williams 1903-6-14
GH: 00773745 Cornus intermedia (Farr) Calder & Roy L. Taylor USA: Vermont Ripton: Ripton E. F. Williams 1908-7-3
GH: 00773749 Cornus intermedia (Farr) Calder & Roy L. Taylor USA: Massachusetts Holbrook: Holbrook E. F. Williams 1902-5-30
GH: 00773755 Cornus intermedia (Farr) Calder & Roy L. Taylor USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
GH: 00767402 Cornus obliqua Rafinesque USA: Vermont Salisbury: Salisbury E. F. Williams 1908-7-14
NEBC: 00767407 Cornus obliqua Rafinesque USA: Massachusetts Lincoln: Lincoln E. F. Williams 1896-8-29
GH: 00760780 Cornus obliqua Rafinesque USA: New Hampshire Lebanon: Lebanon E. F. Williams 1910-7-11
GH: 00760781 Cornus obliqua Rafinesque USA: New Hampshire Wentworth: Wentworth E. F. Williams 1908-8-1
GH: 00760802 Cornus obliqua Rafinesque USA: Massachusetts Lincoln: Lincoln E. F. Williams 1896-8-29
NEBC: 00573444 Cornus racemosa Lamarck USA: Massachusetts Lincoln: Lincoln E. F. Williams 1896-8-29
NEBC: 00573489 Cornus racemosa Lamarck USA: Massachusetts Sharon: Sharon E. F. Williams 1896-6-17
GH: 00573561 Cornus racemosa Lamarck USA: Connecticut Lyme: Lyme E. F. Williams 1905-6-17
A: 02018393 Cornus rugosa Lamarck Canada: New Brunswick Four Falls E. F. Williams 1901-8-14
NEBC: 00387612 Cornus rugosa Lamarck USA: Massachusetts Blue Hills Reservation E. F. Williams 1900-6-10
GH: 00502553 Cornus rugosa Lamarck USA: New Hampshire Warren: Warren E. F. Williams 1910-7-21
GH: 00502568 Cornus rugosa Lamarck USA: Vermont Willoughby Notch E. F. Williams 1898-6-10
GH: 00672577 Cornus rugosa Lamarck USA: Maine Bar Harbor: Bar Harbor E. F. Williams
GH: 02018854 Cornus stolonifera Michaux Canada: New Brunswick On the St. John - opposite mouth of the Tobi... E. F. Williams 1901-8-14
GH: 00765403 Cornus stolonifera Michaux USA: Maine Fort Kent: Fort Kent E. F. Williams 1900-7-23
GH: 00765407 Cornus stolonifera Michaux USA: Maine Fort Fairfield: Fort Fairfield E. F. Williams 1901-8-17
GH: 00765514 Cornus stolonifera Michaux USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-13
NEBC: 00765535 Cornus stolonifera Michaux USA: Vermont Willoughby E. F. Williams 1896-7-22
GH: 00633926 Cornus stolonifera Michaux USA: Massachusetts Boston: Boston, Ipswich Street E. F. Williams 1910-8-20
NEBC: 00387609 Swida rugosa (Lamarck) Rydberg USA: Massachusetts Quincy: Dome, Blue Hills [Reservation] E. F. Williams 1895-9-2
NEBC: 00387611 Swida rugosa (Lamarck) Rydberg USA: Massachusetts Blue Hills Reservation E. F. Williams 1900-6-10
NEBC: 00387612 Swida rugosa (Lamarck) Rydberg USA: Massachusetts Blue Hills Reservation E. F. Williams 1900-6-10
Crassulaceae GH: 00348736 Sedum acre Linnaeus USA: Massachusetts Milton: Hillside street, Blue Hills Reserv. E. F. Williams 1895-6-30
GH: 00581954 Sedum acre Linnaeus USA: Maine York: York E. F. Williams 1898-7-24
NEBC: 00581955 Sedum acre Linnaeus USA: Maine York: York E. F. Williams 1898-7-24
GH: 00581965 Sedum acre Linnaeus USA: Vermont Weybridge: Weybridge E. F. Williams 1908-7-8
GH: 00581966 Sedum acre Linnaeus USA: Vermont Brandon: Brandon E. F. Williams 1908-5-21
GH: 00591497 Sedum acre Linnaeus USA: Massachusetts E. F. Williams 1896-7-5
GH: 00581911 Sedum purpureum (Linnaeus) Schultes USA: Maine Fort Kent: Fort Kent E. F. Williams 1900-7-30
GH: 00581910 Sedum purpureum (Linnaeus) Schultes USA: Maine Eliot: Eliot E. F. Williams 1895-8-27
GH: 00581912 Sedum purpureum (Linnaeus) Schultes USA: Maine Georgetown: Georgetown E. F. Williams 1906-8-26
GH: 00586991 Sedum telephium Linnaeus USA: New Hampshire Seabrook: Seabrook E. F. Williams 1898-8-7
GH: 00591450 Sedum telephium Linnaeus USA: Massachusetts Lincoln: Lincoln E. F. Williams 1908-8-23
NEBC: 00591484 Sedum telephium Linnaeus USA: Rhode Island Portsmouth: Portsmouth E. F. Williams 1911-6-18
GH: 00586217 Sempervivum tectorum Linnaeus USA: Massachusetts Woburn: Woburn, near Shaker Glen E. F. Williams 1894-11-25
Cucurbitaceae GH: 01543840 Cucumis sativus Linnaeus USA: Massachusetts Gloucester: at Bay View, Gloucester E. F. Williams 1897-8-15
GH: 00744137 Cucurbita pepo Linnaeus USA: Maine Portland: Portland E. F. Williams 1910-8-3
GH: 00744139 Cucurbita pepo Linnaeus USA: Massachusetts Revere: Revere E. F. Williams 1896-8-22
NEBC: 00744143 Cucurbita pepo Linnaeus USA: Massachusetts Cambridge: Cambridge, on Huron Avenue E. F. Williams 1910-9-20
NEBC: 00744144 Cucurbita pepo Linnaeus USA: Massachusetts Cambridge: Cambridge, on Huron Ave. E. F. Williams 1910-9-20
NEBC: 00744145 Cucurbita pepo Linnaeus USA: Massachusetts Cambridge: Cambridge, Huron Avenue E. F. Williams 1910-9-12
GH: 00552880 Echinocystis lobata (Michaux) Torrey & A. Gray USA: Maine Mount Desert Island E. F. Williams 1910-8-4
GH: 00552930 Echinocystis lobata (Michaux) Torrey & A. Gray USA: Vermont Norwich: Norwich E. F. Williams 1910-7-11
GH: 00552960 Echinocystis lobata (Michaux) Torrey & A. Gray USA: Massachusetts Wilmington: Wilmington E. F. Williams 1 1899-6-11
GH: 00552967 Echinocystis lobata (Michaux) Torrey & A. Gray USA: Massachusetts Revere: Revere E. F. Williams 1896-8-22
NEBC: 00552969 Echinocystis lobata (Michaux) Torrey & A. Gray USA: Massachusetts Readville E. F. Williams 1895-9-7
GH: 01078976 Sicyos angulatus Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-9
GH: 01026231 Sicyos angulatus Linnaeus USA: Massachusetts Concord: Concord, Lowell st. E. F. Williams 1896-9-20
NEBC: 01026234 Sicyos angulatus Linnaeus USA: Massachusetts Concord: Concord, on Lowell road E. F. Williams 1896-9-20
Cupressaceae NEBC: 00299863 Chamaecyparis thyoides (Linnaeus) Britton, Stearn & Poggenburg USA: Massachusetts Blue Hills Reservation E. F. Williams 1896-4-26
NEBC: 00299865 Chamaecyparis thyoides (Linnaeus) Britton, Stearn & Poggenburg USA: Massachusetts Canton: Green Lodge swamp E. F. Williams 1897-11-7
NEBC: 00299866 Chamaecyparis thyoides (Linnaeus) Britton, Stearn & Poggenburg USA: Massachusetts Blue Hills Reservation, near Blue Hill river... E. F. Williams 1896-4-26
NEBC: 00299924 Juniperus communis depressa Pursh USA: Massachusetts Stoneham: Middlesex Fells Reserv., W. slope ... E. F. Williams 1896-5-3
NEBC: 00765628 Juniperus horizontalis Moench USA: Maine Mount Desert Island: Mount Desert Island E. F. Williams 1897-7-18
NEBC: 00765629 Juniperus horizontalis Moench USA: Maine Mount Desert Island: Mount Desert Island E. F. Williams 1899-7-17
NEBC: 00765631 Juniperus horizontalis Moench USA: Maine Mount Desert Island: Mount Desert Island E. F. Williams 1899-7-17
GH: 02362603 Juniperus horizontalis Moench USA: Maine Mount Desert Island: Hunter's Beach E. F. Williams 1899-7-17
NEBC: 00299951 Juniperus virginiana Linnaeus USA: Massachusetts Milton: Blue Hills Reservation, near Houghto... E. F. Williams 1896-4-26
NEBC: 00299952 Juniperus virginiana Linnaeus USA: Massachusetts Barnstable: Osterville, Gaff place E. F. Williams 1896-4-19
GH: 00652612 Juniperus virginiana Linnaeus USA: Massachusetts Waltham: Waltham, Feake's hill [Mount Feake] E. F. Williams 1898-11-13
GH: 02107217 Thuja occidentalis Linnaeus Canada: New Brunswick [data not captured] E. F. Williams 1901-8-14
NEBC: 00299936 Thuja occidentalis Linnaeus USA: Massachusetts Middlesex Fells Reservation E. F. Williams 1896-5-6
GH: 00299938 Thuja occidentalis Linnaeus USA: Massachusetts Winchester: Entrance to Middlesex Fells Rese... E. F. Williams 1899-4-9
GH: 00299939 Thuja occidentalis Linnaeus USA: Massachusetts Canton: Hemenway place E. F. Williams 1899-4-19
Cyperaceae GH: 00338963 Bulbostylis capillaris (Linnaeus) Kunth ex C. B. Clarke USA: Massachusetts Quincy: The Dome, Blue Hills Reservation E. F. Williams 1895-9-2
GH: 00338962 Bulbostylis capillaris (Linnaeus) Kunth ex C. B. Clarke USA: Massachusetts Boston: Readville [Hyde Park] E. F. Williams 1895-9-8
GH: 01182779 Bulbostylis capillaris (Linnaeus) Kunth ex C. B. Clarke USA: New Hampshire Hampton: Hampton E. F. Williams 1901-9-22
GH: 01182778 Bulbostylis capillaris (Linnaeus) Kunth ex C. B. Clarke USA: New Hampshire East Jaffrey E. F. Williams 1901-8-31
NEBC: 01182780 Bulbostylis capillaris (Linnaeus) Kunth ex C. B. Clarke USA: New Hampshire Hampton: Hampton E. F. Williams 1901-9-22
NEBC: 00880998 Bulbostylis capillaris (Linnaeus) Kunth ex C. B. Clarke USA: Massachusetts Boston: Readville [Hyde Park] E. F. Williams 1895-9-8
GH: 01058979 Carex Linnaeus USA: Maine Mount Katahdin E. F. Williams 1900-7-10
NEBC: 00135653 Carex abscondita Mackenzie USA: Massachusetts Norwood: Purgatory E. F. Williams 1897-6-27
NEBC: 00217487 Carex adusta Boott USA: Maine Mount Desert (Hancock County): Asticou Hill E. F. Williams 2874 1897-7-12
NEBC: 00217486 Carex adusta Boott USA: Maine Mount Desert Island, Cliff Road E. F. Williams 2874 1899-7-17
GH: 00135686 Carex adusta Boott USA: Maine Mount Desert Island, Cliff Road E. F. Williams 1899-7-17
GH: 00214001 Carex albicans Willdenow ex Sprengel USA: Rhode Island Cumberland: E. F. Williams 1904-5-15
NEBC: 00214092 Carex albicans emmonsii (Dewey ex Torrey) Rettig USA: New Hampshire Jaffrey: E. F. Williams 1899-5-28
NEBC: 00214928 Carex appalachica J. M. Webber & P. W. Ball USA: Massachusetts Williamstown: Mount Greylock E. F. Williams 1901-6-16
NEBC: 00214905 Carex appalachica J. M. Webber & P. W. Ball USA: Vermont Willoughby E. F. Williams 1896-7-23
NEBC: 00221009 Carex arctata Boott USA: Maine Chimney Basin, Mount Katahdin E. F. Williams 1900-7-9
NEBC: 00221012 Carex arctata Boott USA: Maine Near McLeod camp, Wassataquoik valley E. F. Williams 1900-7-16
NEBC: 00221024 Carex arctata Boott USA: New Hampshire Beans Grant: Mount Clinton E. F. Williams 1895-7-18
NEBC: 00221028 Carex arctata Boott USA: New Hampshire Randolph: Air line E. F. Williams 1897-7-23
NEBC: 00221068 Carex arctata Boott USA: Vermont Willoughby Notch E. F. Williams 1898-6-10
GH: 00221097 Carex arctata Boott USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
NEBC: 00872024 Carex arctata Boott USA: Maine Lincoln Plantation: Mt. Aziscoos E. F. Williams 1903-7-31
NEBC: 00221783 Carex arctogena H. Smith USA: New Hampshire Alpine Garden, Mount Washington E. F. Williams 1895-7-10
NEBC: 00217516 Carex argyrantha Tuckerman ex Dewey USA: Maine Mount Desert Island, Cliff Road E. F. Williams 1899-7-17
NEBC: 00217572 Carex argyrantha Tuckerman ex Dewey USA: Massachusetts Blue Hills Reservation E. F. Williams 1895-6-9
GH: 00216629 Carex atlantica atlantica USA: Massachusetts Marshfield: Seaview E. F. Williams 1894-6-10
NEBC: 00217059 Carex atratiformis Britton USA: New Hampshire Sargents Purchase: Head of Oakes Gulf, near ... E. F. Williams 1893-7-13
NEBC: 00217036 Carex atratiformis Britton USA: Maine Mount Katahdin, North Basin E. F. Williams 1900-7-13
NEBC: 00217047 Carex atratiformis Britton USA: New Hampshire Sargents Purchase: Oakes Gulf, Mount Washing... E. F. Williams 1895-7-8
GH: 00217058 Carex atratiformis Britton USA: New Hampshire Sargents Purchase: Oakes Gulf, Mount Washing... E. F. Williams 1893-7-13
NEBC: 00217116 Carex aurea Nuttall USA: Vermont Willoughby, W. Burke Road E. F. Williams 1896-7-20
NEBC: 00217118 Carex aurea Nuttall USA: Vermont Willoughby E. F. Williams 1896-7-21
NEBC: 00217117 Carex aurea Nuttall USA: Vermont Willoughby E. F. Williams 1896-7-21
GH: 00217257 Carex baileyi Britton USA: Vermont Ripton: E. F. Williams 1908-7-4
NEBC: 00217235 Carex baileyi Britton USA: Vermont Smugglers Notch E. F. Williams 1897-7-5
NEBC: 00221131 Carex bebbii (L. H. Bailey) Olney ex Fernald USA: Vermont Willoughby E. F. Williams 1896-7-23
GH: 00249720 Carex bicolor Allioni USA: Maine Fort Kent: On St. John River E. F. Williams 1900-7-26
GH: 00249721 Carex bicolor Allioni USA: Maine Saint Francis (Maine): At mouth of St. Franc... E. F. Williams 1900-7-30
NEBC: 00217404 Carex bigelowii Torrey ex Schweinitz USA: New Hampshire Mount Washington, "Cape Horn" E. F. Williams 1903-7-23
NEBC: 00217339 Carex bigelowii Torrey ex Schweinitz USA: Maine Mount Katahdin, Saddle plateau E. F. Williams 1900-7-11
NEBC: 00217412 Carex bigelowii Torrey ex Schweinitz USA: New Hampshire Summit of Mount Moosilauke E. F. Williams 1907-7-19
NEBC: 00217406 Carex bigelowii Torrey ex Schweinitz USA: New Hampshire Sargents Purchase: Mount Washington, near su... E. F. Williams 1895-7-8
NEBC: 00218172 Carex blanda Dewey USA: Rhode Island Portsmouth: E. F. Williams 1911-6-18
GH: 00218171 Carex blanda Dewey USA: Rhode Island Middleton: E. F. Williams 1908-5-30
NEBC: 00218047 Carex blanda Dewey USA: Massachusetts Lexington: Lincoln Road E. F. Williams 1897-6-6
GH: 00218216 Carex blanda Dewey USA: Connecticut Stratford: E. F. Williams 1901-6-9
NEBC: 00218219 Carex brevior (Dewey) Mackenzie ex Lunell USA: Massachusetts Haverhill: E. F. Williams 1896-6-23
NEBC: 00221255 Carex brevior (Dewey) Mackenzie ex Lunell USA: Massachusetts Woburn: Lexington Street E. F. Williams 1894-6-24
GH: 00221261 Carex brevior (Dewey) Mackenzie ex Lunell USA: Massachusetts Dedham: Railroad track E. F. Williams 1897-6-13
NEBC: 00221263 Carex brevior (Dewey) Mackenzie ex Lunell USA: Massachusetts Dedham: Railroad embankment E. F. Williams 1897-6-13
NEBC: 00221271 Carex brevior (Dewey) Mackenzie ex Lunell USA: Massachusetts Sharon: E. F. Williams 1896-6-17
NEBC: 00218280 Carex bromoides Willdenow USA: Massachusetts Lawrence: South Lawrence E. F. Williams 1900-6-3
NEBC: 00218571 Carex brunnescens (Persoon) Poiret USA: New Hampshire Benton: Summit of Mount Moosilauke E. F. Williams 1907-7-19
NEBC: 00218685 Carex brunnescens (Persoon) Poiret USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
NEBC: 00218386 Carex brunnescens (Persoon) Poiret USA: Maine Mount Katahdin, Chimney Basin E. F. Williams 1900-7-9
NEBC: 00218426 Carex brunnescens (Persoon) Poiret USA: Maine Lincoln Plantation: Mount Azicoos E. F. Williams 1903-7-31
NEBC: 00218498 Carex brunnescens (Persoon) Poiret USA: New Hampshire Mount Washington, upper slopes of Oakes Gulf E. F. Williams 1893-7-13
NEBC: 00218508 Carex brunnescens (Persoon) Poiret USA: New Hampshire Mount Washington, Cape Horn E. F. Williams 1903-7-23
NEBC: 00218502 Carex brunnescens (Persoon) Poiret USA: New Hampshire Mount Washington, Tuckermans Ravine, near sn... E. F. Williams 1895-7-11
GH: 00218792 Carex bullata Schkuhr ex Willdenow USA: Massachusetts Sharon: Beaver Brook Hole E. F. Williams 1894-7-1
NEBC: 00218969 Carex buxbaumii Wahlenberg USA: Massachusetts Wilmington: E. F. Williams 1899-6-11
NEBC: 00218925 Carex buxbaumii Wahlenberg USA: Maine Mount Desert (Hancock County): Jordan Pond E. F. Williams 1897-7-11
NEBC: 00218962 Carex buxbaumii Wahlenberg USA: Massachusetts Reading: E. F. Williams 1898-6-5
NEBC: 00218987 Carex buxbaumii Wahlenberg USA: Massachusetts Wellesley: E. F. Williams 1898-5-22
GH: 00221522 Carex canescens disjuncta (Fernald) Toivonen USA: New Hampshire Crawfords Purchase: E. F. Williams 1898-7-1
NEBC: 00221575 Carex canescens disjuncta (Fernald) Toivonen USA: Massachusetts Manchester: E. F. Williams 1896-6-13
NEBC: 00221590 Carex canescens disjuncta (Fernald) Toivonen USA: Massachusetts Lexington: East Lexington E. F. Williams 1894-5-27
NEBC: 00221651 Carex canescens disjuncta (Fernald) Toivonen USA: Massachusetts Naushon Island, Tarpaulin Cove E. F. Williams 1911-7-10
NEBC: 00221740 Carex capillaris Linnaeus USA: New Hampshire Alpine Garden, Mount Washington E. F. Williams 1901-8-5
NEBC: 00221760 Carex capillaris Linnaeus USA: New Hampshire Alpine Garden, Mount Washington E. F. Williams 1895-7-10
NEBC: 00221836 Carex caryophyllea Latourrette USA: Massachusetts Boston: West Roxbury, Bellevue Hill E. F. Williams 1897-5-30
GH: 00221838 Carex caryophyllea Latourrette USA: Massachusetts Boston: West Roxbury, Bellevue Hill E. F. Williams 1897-5-30
GH: 00221839 Carex caryophyllea Latourrette USA: Massachusetts Dedham: Downey Street E. F. Williams 1897-5-31
NEBC: 00221849 Carex caryophyllea Latourrette USA: Massachusetts Norwood: Purgatory, opposite Downey Street E. F. Williams 1895-5-19
GH: 00221887 Carex castanea Wahlenberg USA: Vermont Willoughby E. F. Williams 1898-6-9
GH: 00872027 Carex castanea Wahlenberg USA: Maine Fort Kent: Along the St. John river E. F. Williams 1900-8-1
GH: 00222084 Carex cephalophora Muhlenberg USA: Massachusetts Woburn: Shaker Glen E. F. Williams 1896-5-30
NEBC: 00222097 Carex cephalophora Muhlenberg USA: Massachusetts Blue Hills Reservation E. F. Williams 1895-6-9
GH: 00222270 Carex communis L. H. Bailey USA: Maine Mount Katahdin, Depot Pond E. F. Williams 1900-7-16
GH: 00222433 Carex communis L. H. Bailey USA: New Hampshire Mount Monadnock E. F. Williams 1894-6-17
GH: 00222607 Carex communis L. H. Bailey USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
GH: 00222270 Carex communis communis USA: Maine Mount Katahdin, Depot Pond E. F. Williams 1900-7-16
NEBC: 00222355 Carex communis communis USA: New Hampshire Crawfords Purchase: E. F. Williams 1898-7-1
GH: 00222433 Carex communis communis USA: New Hampshire Mount Monadnock E. F. Williams 1894-6-17
NEBC: 00222468 Carex communis communis USA: Vermont Smugglers Notch E. F. Williams 1897-7-5
NEBC: 00222469 Carex communis communis USA: Vermont Smugglers Notch E. F. Williams 1897-7-5
NEBC: 00222520 Carex communis communis USA: Massachusetts Middlesex Fells Reservation E. F. Williams 1896-5-3
NEBC: 00222526 Carex communis communis USA: Massachusetts Woburn: Shaker Glen E. F. Williams 1896-5-30
GH: 00222568 Carex communis communis USA: Massachusetts Ashfield: E. F. Williams 1907-7-3
NEBC: 00222805 Carex comosa Boott USA: Massachusetts Blue Hills Reservation, Old Furnace Brook E. F. Williams 1895-9-2
GH: 00222815 Carex comosa Boott USA: Massachusetts Marshfield: Seaview, edge of Little's pond E. F. Williams 1894-6-10
NEBC: 00222816 Carex comosa Boott USA: Massachusetts Scituate: Egypt E. F. Williams 1898-7-10
NEBC: 00222854 Carex comosa Boott USA: Massachusetts Nantucket: E. F. Williams 1911-7-20
GH: 00056973 Carex conoidea Schkuhr ex Willdenow USA: Maine Depot Pond, Mount Katahdin E. F. Williams 1900-7-16
NEBC: 00056882 Carex conoidea Schkuhr ex Willdenow USA: Maine Depot Pond, Mount Katahdin E. F. Williams 1900-7-16
NEBC: 00228004 Carex conoidea Schkuhr ex Willdenow USA: New Hampshire Jaffrey: Base of Gap Mountain E. F. Williams 1899-5-30
GH: 00228043 Carex conoidea Schkuhr ex Willdenow USA: Massachusetts Reading: E. F. Williams 1898-6-5
GH: 00228050 Carex conoidea Schkuhr ex Willdenow USA: Massachusetts Woburn: Lexington Street E. F. Williams 1896-5-30
GH: 00228059 Carex conoidea Schkuhr ex Willdenow USA: Massachusetts Franklin: E. F. Williams 1897-6-17
NEBC: 00228060 Carex conoidea Schkuhr ex Willdenow USA: Massachusetts Franklin: E. F. Williams 1897-6-17
NEBC: 00228061 Carex conoidea Schkuhr ex Willdenow USA: Massachusetts Holbrook: E. F. Williams 1899-6-18
GH: 00339445 Carex convoluta Mackenzie USA: Massachusetts Blue Hills Reservation E. F. Williams 1900-6-10
NEBC: 00228237 Carex crawfordii Fernald USA: New Hampshire Crawfords Purchase: Edge of Saco Lake E. F. Williams 1895-7-15
GH: 00269149 Carex crawfordii Fernald USA: New Hampshire Randolph: River road E. F. Williams 1897-8-2
GH: 00269154 Carex crawfordii Fernald USA: New Hampshire Warren: Breezy Point E. F. Williams 1908-7-27
GH: 00228316 Carex crinita crinita USA: Maine Mount Desert (Hancock County): On road to Jo... E. F. Williams 1897-7-11
GH: 00228387 Carex crinita crinita USA: Massachusetts Arlington: Turkey Hill E. F. Williams 1894-5-30
GH: 00228438 Carex crinita crinita USA: Massachusetts Dedham: Wigwam Pond E. F. Williams 1901-7-21
GH: 00248421 Carex crinita gynandra (Schweinitz) Schweinitz & Torrey USA: Maine Mount Desert (Hancock County): N.E. Harbor t... E. F. Williams 1899-7-19
NEBC: 00261897 Carex crinita gynandra (Schweinitz) Schweinitz & Torrey USA: New Hampshire Cambridge: Edge of Lake Umbagog E. F. Williams 1895-7-26
NEBC: 00261959 Carex crinita gynandra (Schweinitz) Schweinitz & Torrey USA: New Hampshire Fitzwilliam: E. F. Williams 1894-6-18
GH: 00261984 Carex crinita gynandra (Schweinitz) Schweinitz & Torrey USA: Vermont Ripton: E. F. Williams 1908-7-13
NEBC: 00261986 Carex crinita gynandra (Schweinitz) Schweinitz & Torrey USA: Vermont Ripton: E. F. Williams 1908-7-3
GH: 00228684 Carex cryptolepis Mackenzie USA: New Hampshire Wentworth: Lowre Baker Pond E. F. Williams 1908-8-1
GH: 00228685 Carex cryptolepis Mackenzie USA: New Hampshire Wentworth: Lower Baker Pond E. F. Williams 1908-8-1
GH: 00228728 Carex cryptolepis Mackenzie USA: Massachusetts Boxford: Bald Pate Pond E. F. Williams 1899-8-3
NEBC: 00228849 Carex cumulata (L. H. Bailey) Mackenzie USA: Maine Mount Desert Island, Cliff Road E. F. Williams 1897-7-13
GH: 00229028 Carex debilis rudgei L. H. Bailey USA: New Hampshire First Tank summit Mount Washington E. F. Williams 1896-8-4
NEBC: 00229030 Carex debilis rudgei L. H. Bailey USA: New Hampshire From the type station on the Mount Washingto... E. F. Williams 1896-8-4
NEBC: 00229041 Carex debilis rudgei L. H. Bailey USA: New Hampshire 1st tank from base, Mount Washington railroa... E. F. Williams 1895-7-15
NEBC: 00229050 Carex debilis rudgei L. H. Bailey USA: New Hampshire Benton: Summit of Mount Moosilauke E. F. Williams 1907-7-19
GH: 00229069 Carex debilis rudgei L. H. Bailey USA: New Hampshire Hanover: Faculty Pond E. F. Williams 1910-7-18
GH: 00229124 Carex debilis rudgei L. H. Bailey USA: Vermont Willoughby Mountain E. F. Williams 1896-7-24
NEBC: 00229195 Carex debilis rudgei L. H. Bailey USA: Massachusetts Norfolk: Blue Hills Reservation, Balster Bro... E. F. Williams 1895-6-9
NEBC: 00229207 Carex debilis rudgei L. H. Bailey USA: Massachusetts Sharon: E. F. Williams 1894-7-1
GH: 00229246 Carex debilis rudgei L. H. Bailey USA: Massachusetts Ashfield: E. F. Williams 1907-7-3
GH: 00229411 Carex deflexa Hornemann USA: New Hampshire Crawfords Purchase: Summit of Mount Willard E. F. Williams 1898-7-1
GH: 00229532 Carex deweyana deweyana USA: New Hampshire Hanover: By Mink Brook at the Basalt like le... E. F. Williams 1910-7-17
NEBC: 00229568 Carex deweyana deweyana USA: Vermont Willoughby E. F. Williams 1896-7-23
NEBC: 00229647 Carex deweyana deweyana USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
GH: 00229731 Carex diandra Schrank USA: Massachusetts Williamstown: E. F. Williams 1901-6-17
GH: 00229762 Carex digitalis digitalis USA: New Hampshire Hanover: Bank of Connecticut River E. F. Williams 1910-7-14
NEBC: 00229774 Carex digitalis digitalis USA: New Hampshire Alstead: E. F. Williams 1901-7-28
GH: 00229808 Carex digitalis digitalis USA: Massachusetts Lincoln: E. F. Williams 1899-6-17
NEBC: 00229836 Carex digitalis digitalis USA: Massachusetts Westwood: Purgatory Woods E. F. Williams 1899-6-4
NEBC: 00230043 Carex disperma Dewey USA: Vermont Willoughby E. F. Williams 1898-6-9
NEBC: 00230227 Carex disperma Dewey USA: Massachusetts Norwood: Purgatory swamp E. F. Williams 1899-6-4
NEBC: 00230315 Carex eburnea Boott USA: Vermont Brandon: E. F. Williams 1908-5-22
GH: 00232612 Carex echinata echinata USA: New Hampshire Wentworth: Lower Baker Pond E. F. Williams 1910-7-26
NEBC: 00232646 Carex echinata echinata USA: New Hampshire Fitzwilliam: E. F. Williams 1894-6-18
NEBC: 00232677 Carex echinata echinata USA: Vermont Stowe: Bingham Falls E. F. Williams 1897-7-8
NEBC: 00232883 Carex echinata echinata USA: Massachusetts Wilmington: Silver Lake E. F. Williams 1899-6-11
GH: 00232920 Carex echinata echinata USA: Massachusetts Sharon: E. F. Williams 1894-7-1
NEBC: 00232924 Carex echinata echinata USA: Massachusetts Walpole: Near village E. F. Williams 1896-6-7
NEBC: 00242119 Carex exilis Dewey USA: Maine Mount Desert (Hancock County): Upper Hadlock... E. F. Williams 1897-7-14
GH: 00242120 Carex exilis Dewey USA: Maine Mount Desert (Hancock County): Jordan Pond E. F. Williams 1897-7-11
NEBC: 00242121 Carex exilis Dewey USA: Maine Mount Desert (Hancock County): Jordan Pond E. F. Williams 1897-7-11
GH: 00242569 Carex flava Linnaeus USA: Maine Fort Kent: Along the Saint John River E. F. Williams 1 1900-7-26
NEBC: 00242901 Carex foenea Willdenow USA: Maine Mount Desert (Hancock County): Jordan Pond r... E. F. Williams 1897-7-11
GH: 00241061 Carex folliculata Linnaeus USA: Maine Mount Desert (Hancock County): Northeast Har... E. F. Williams 1910-8-7
GH: 00241091 Carex folliculata Linnaeus USA: Maine Gerrish Island E. F. Williams 1895-8-27
NEBC: 00241183 Carex folliculata Linnaeus USA: Massachusetts Blue Hills Reservation E. F. Williams 1894-9-3
NEBC: 00241192 Carex folliculata Linnaeus USA: Massachusetts Norwood: Purgatory E. F. Williams 1895-6-23
GH: 00249720 Carex garberi Fernald USA: Maine Fort Kent: On St. John River E. F. Williams 1900-7-26
GH: 00249720 Carex garberi bifaria Fernald USA: Maine Fort Kent: On St. John River E. F. Williams 1900-7-26
GH: 00249721 Carex garberi bifaria Fernald USA: Maine Saint Francis (Maine): At mouth of St. Franc... E. F. Williams 1900-7-30
NEBC: 00241385 Carex glaucodea Tuckerman ex Olney USA: Massachusetts Blue Hills Reservation, near summit of Blue ... E. F. Williams 1901-7-4
NEBC: 00245956 Carex gracillima Schweinitz USA: Massachusetts Boston: West Roxbury, Stony Brook Reservatio... E. F. Williams 1897-5-30
GH: 00245964 Carex gracillima Schweinitz USA: Massachusetts Norwood: Purgatory woods E. F. Williams 1897-6-27
NEBC: 00248070 Carex gracillima Schweinitz USA: Connecticut Stratford: E. F. Williams 1901-3-9
NEBC: 00443561 Carex gracillima Schweinitz USA: Massachusetts Boston: West Roxbury, Stony Brook Reservatio... E. F. Williams 1897-5-30
GH: 00248203 Carex granularis Muhlenberg ex Willdenow USA: Massachusetts Williamstown: E. F. Williams 1901-6-17
GH: 00248203 Carex granularis haleana (Olney) Porter USA: Massachusetts Williamstown: E. F. Williams 1901-6-17
NEBC: 00248365 Carex grisea Wahlenberg USA: Connecticut Stratford: E. F. Williams 1901-6-9
GH: 00248421 Carex gynandra Schweinitz USA: Maine Mount Desert (Hancock County): N.E. Harbor t... E. F. Williams 1899-7-19
NEBC: 00261897 Carex gynandra Schweinitz USA: New Hampshire Cambridge: Edge of Lake Umbagog E. F. Williams 1895-7-26
NEBC: 00261959 Carex gynandra Schweinitz USA: New Hampshire Fitzwilliam: E. F. Williams 1894-6-18
GH: 00261984 Carex gynandra Schweinitz USA: Vermont Ripton: E. F. Williams 1908-7-13
NEBC: 00261986 Carex gynandra Schweinitz USA: Vermont Ripton: E. F. Williams 1908-7-3
GH: 00248203 Carex haleana Olney USA: Massachusetts Williamstown: E. F. Williams 1901-6-17
GH: 00260497 Carex hirtifolia Mackenzie USA: New Hampshire Alstead: Cold River bottom E. F. Williams 1901-7-27
NEBC: 00260686 Carex hormathodes Fernald USA: Maine Cranberry Isles: Great Cranberry Island E. F. Williams 1897-7-17
NEBC: 00260687 Carex hormathodes Fernald USA: Maine Cranberry Isles: Great Cranberry Island E. F. Williams 1899-7-20
GH: 00260777 Carex hormathodes Fernald USA: Massachusetts Revere: Oak Island E. F. Williams 1896-6-28
NEBC: 00260823 Carex hormathodes Fernald USA: Massachusetts Gosnold: Elizabeth Islands, Nashawena Island E. F. Williams 1911-7-10
GH: 00254268 Carex houghtoniana Torrey ex Dewey USA: Maine Cliff Road, Mt. Desert E. F. Williams 1897-7-13
NEBC: 00254291 Carex houghtoniana Torrey ex Dewey USA: Maine Cliff road, Mount Desert E. F. Williams 1897-7-13
NEBC: 00254520 Carex hystericina Muhlenberg ex Willdenow USA: Vermont Willoughby E. F. Williams 1896-7-19
GH: 00254618 Carex hystericina Muhlenberg ex Willdenow USA: Massachusetts Buckland: E. F. Williams 1909-7-18
GH: 00254640 Carex hystericina Muhlenberg ex Willdenow USA: Massachusetts Williamstown: E. F. Williams 1901-6-15
GH: 00254843 Carex intumescens Rudge USA: Maine Fort Kent: Rish river delta E. F. Williams 1900-8-1
NEBC: 00263527 Carex intumescens Rudge USA: Maine Chimney Basin, Mt. Katahdin E. F. Williams 1900-7-9
NEBC: 00283239 Carex intumescens Rudge USA: Maine Lincoln Plantation: Mt. Aziscoos [Aziscohos ... E. F. Williams 1903-7-31
GH: 00283359 Carex intumescens Rudge USA: New Hampshire Crawfords Purchase: Mt. Avalon path E. F. Williams 1895-7-20
GH: 00283371 Carex intumescens Rudge USA: New Hampshire Randolph: Ice Gulch path E. F. Williams 1894-7-14
GH: 00283606 Carex intumescens Rudge USA: New Hampshire Warren: Breezy Point E. F. Williams 1907-7-27
NEBC: 00282037 Carex intumescens Rudge USA: New Hampshire Mt. Monadnock E. F. Williams 1894-6-17
GH: 00299158 Carex intumescens Rudge USA: Massachusetts Westwood: Purgatory Swamp E. F. Williams 1901-7-21
GH: 00299228 Carex intumescens Rudge USA: Massachusetts Colrain: Catamount Dens E. F. Williams 1909-8-4
GH: 00056973 Carex katahdinensis Fernald USA: Maine Depot Pond, Mount Katahdin E. F. Williams 1900-7-16
NEBC: 00056882 Carex katahdinensis Fernald USA: Maine Depot Pond, Mount Katahdin E. F. Williams 1900-7-16
NEBC: 00299384 Carex knieskernii Dewey USA: Maine Caribou: E. F. Williams 1902-7-18
GH: 00299385 Carex knieskernii Dewey USA: Maine Caribou: E. F. Williams 1902-7-18
GH: 00299566 Carex laevivaginata (Kükenthal) Mackenzie USA: Massachusetts Norwood: Purgatory E. F. Williams 1896-6-21
NEBC: 00299568 Carex laevivaginata (Kükenthal) Mackenzie USA: Massachusetts Norwood: Purgatory E. F. Williams 1896-6-21
GH: 00299593 Carex laevivaginata (Kükenthal) Mackenzie USA: Massachusetts Williamstown: E. F. Williams 1901-5-17
NEBC: 00299680 Carex lasiocarpa americana Fernald USA: Maine Mount Desert (Hancock County): Upper Hadlock... E. F. Williams 1897-7-14
NEBC: 00299787 Carex lasiocarpa americana Fernald USA: Massachusetts Tewksbury: Round Pond E. F. Williams 1901-6-23
NEBC: 00353781 Carex laxiculmis Schweinitz China: Sichuan E. F. Williams 1896-5-24
NEBC: 00892411 Carex laxiculmis Schweinitz USA: Massachusetts Williamstown: Williamstown E. F. Williams 1901-6-17
GH: 00868798 Carex laxiflora Lamarck USA: Vermont Brandon: Brandon E. F. Williams 1908-5-21
GH: 01030406 Carex laxiflora Lamarck USA: Massachusetts Lexington: Lexington E. F. Williams 1897-6-6
NEBC: 01030407 Carex laxiflora Lamarck USA: Massachusetts Lexington: Lexington E. F. Williams 1897-6-6
GH: 01049377 Carex lenticularis Michaux USA: Maine Mount Katahdin E. F. Williams 1900-7-16
NEBC: 01049682 Carex leptalea Wahlenberg USA: Massachusetts Woburn: Woburn, Shaker Glen E. F. Williams 1896-5-30
NEBC: 01030642 Carex longii Mackenzie USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-21
GH: 01030689 Carex longii Mackenzie USA: Connecticut Hartford: Hartford E. F. Williams 1901-6-18
GH: 00869012 Carex lucorum Willdenow USA: Massachusetts Wilmington: Wilmington E. F. Williams 1899-5-14
GH: 00339110 Carex lupulina Muhlenberg ex Willdenow USA: Massachusetts Blue Hills Reserv. E. F. Williams 1894-9-3
NEBC: 00339388 Carex lupulina Muhlenberg ex Willdenow USA: Massachusetts Boston: Stony Brook Reservation [Hyde Park/W... E. F. Williams 1896-8-23
NEBC: 00869131 Carex lupulina Muhlenberg ex Willdenow USA: Maine Hallowell: Hallowell E. F. Williams 1896
GH: 00869181 Carex lupulina Muhlenberg ex Willdenow USA: New Hampshire Wentworth: Wentworth E. F. Williams 1908-8-1
NEBC: 00869182 Carex lupulina Muhlenberg ex Willdenow USA: New Hampshire Wentworth: Wentworth E. F. Williams 1910-7-26
GH: 00869226 Carex lupulina Muhlenberg ex Willdenow USA: Vermont Salisbury: Salisbury E. F. Williams 1908-7-14
GH: 00869228 Carex lupulina Muhlenberg ex Willdenow USA: Vermont Weybridge: Weybridge E. F. Williams 1908-7-8
NEBC: 00869245 Carex lupulina Muhlenberg ex Willdenow USA: Massachusetts Boxford: Boxford E. F. Williams 1906-8-9
GH: 00869247 Carex lupulina Muhlenberg ex Willdenow USA: Massachusetts South Georgetown E. F. Williams 1899-8-2
NEBC: 00869279 Carex lupulina Muhlenberg ex Willdenow USA: Massachusetts Winchester: Winchester E. F. Williams 1894-9-2
NEBC: 00869281 Carex lupulina Muhlenberg ex Willdenow USA: Massachusetts Woburn: Woburn, off Lexington St. E. F. Williams 1894-6-24
NEBC: 00869282 Carex lupulina Muhlenberg ex Willdenow USA: Massachusetts Woburn: Woburn, off Lexington St. E. F. Williams 1894-6-24
GH: 00808353 Carex lurida Wahlenberg USA: New Hampshire Randolph: Randolph E. F. Williams 1896-7-29
NEBC: 00808354 Carex lurida Wahlenberg USA: New Hampshire Randolph: Randolph E. F. Williams 1896-7-29
GH: 00808369 Carex lurida Wahlenberg USA: New Hampshire Franconia: Franconia E. F. Williams 1894-8-4
NEBC: 00808370 Carex lurida Wahlenberg USA: New Hampshire Franconia: Franconia E. F. Williams 1894-8-4
NEBC: 00808440 Carex lurida Wahlenberg USA: Vermont Ripton: Ripton E. F. Williams 1908-7-7
GH: 00808473 Carex lurida Wahlenberg USA: Massachusetts E. F. Williams
NEBC: 00808506 Carex lurida Wahlenberg USA: Massachusetts Woburn: Woburn, off Lexington St. E. F. Williams 1894-6-24
NEBC: 00808538 Carex lurida Wahlenberg USA: Massachusetts Scituate: Scituate E. F. Williams 167 1898-7-10
GH: 00808606 Carex lurida Wahlenberg USA: Massachusetts Ashfield: Ashfield E. F. Williams 1909-8-2
GH: 00808616 Carex lurida Wahlenberg USA: Massachusetts Amherst: Amherst E. F. Williams
GH: 00808678 Carex lurida Wahlenberg USA: Connecticut E. F. Williams 1900-7-31
GH: 02393979 Carex mackenziei V. I. Kreczetowicz Canada: Quebec Province [data not captured] E. F. Williams 1905-7-5
GH: 00808743 Carex magellanica irrigua (Wahlenberg) Hultén USA: Maine Wissataquick Valley E. F. Williams 1 1900-7-16
GH: 00808744 Carex magellanica irrigua (Wahlenberg) Hultén USA: Maine Fort Kent: Fort Kent E. F. Williams 2 1900-7-22
NEBC: 00895008 Carex magellanica én (Wahlenberg) Hultén USA: New Hampshire Mount Clinton E. F. Williams 1895-7-18
NEBC: 00895015 Carex magellanica én (Wahlenberg) Hultén USA: New Hampshire Mount Clinton E. F. Williams 1895-7-18
NEBC: 00895056 Carex magellanica én (Wahlenberg) Hultén USA: New Hampshire Mount Lafayette E. F. Williams 1894-8-4
NEBC: 00895079 Carex magellanica én (Wahlenberg) Hultén USA: Vermont Mount Mansfield E. F. Williams 1897-7-2
NEBC: 00895144 Carex merritt-fernaldii Mackenzie USA: Maine Mount Desert Island E. F. Williams 1899-7-25
NEBC: 00895287 Carex michauxiana Boeckeler USA: New Hampshire Crawford E. F. Williams 1898-7-1
NEBC: 00895295 Carex michauxiana Boeckeler USA: New Hampshire Crawford E. F. Williams 1895-7-15
GH: 00895300 Carex michauxiana Boeckeler USA: New Hampshire White Mountains E. F. Williams
GH: 00726086 Carex muehlenbergii Schkuhr ex Willdenow USA: Massachusetts Framingham: Framingham, Nobscot Hill E. F. Williams 1901-7-7
GH: 00726113 Carex muehlenbergii Schkuhr ex Willdenow USA: Massachusetts Sharon: Sharon E. F. Williams 1896-6-17
NEBC: 00726118 Carex muehlenbergii Schkuhr ex Willdenow USA: Massachusetts Norfolk: Norfolk E. F. Williams 1897-6-17
GH: 00717060 Carex muehlenbergii Schkuhr ex Willdenow USA: Rhode Island North Kingstown: North Kingstown E. F. Williams 1908-6-17
NEBC: 00717093 Carex muehlenbergii enervis Boott USA: Massachusetts Framingham: Framingham, Nobscot hill E. F. Williams 1901-7-7
NEBC: 01160977 Carex nigra (Linnaeus) Reichard USA: Maine Mount Desert Island E. F. Williams 1897-7-15
NEBC: 00895451 Carex nigra (Linnaeus) Reichard USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-21
GH: 00895466 Carex nigra (Linnaeus) Reichard USA: Rhode Island Middletown: Middletown E. F. Williams 1908-5-30
NEBC: 00895493 Carex normalis Mackenzie USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-24
GH: 00895495 Carex normalis Mackenzie USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-9
GH: 00895519 Carex normalis Mackenzie USA: New Hampshire Fitzwilliam: Fitzwilliam E. F. Williams 1894-6-18
NEBC: 00895544 Carex normalis Mackenzie USA: Massachusetts Arlington: Arlington, near Turkey Hill E. F. Williams 1894-5-30
NEBC: 00895555 Carex normalis Mackenzie USA: Massachusetts Lincoln: Lincoln E. F. Williams 1899-6-17
GH: 00807268 Carex normalis Mackenzie USA: Massachusetts Williamstown: Williamstown E. F. Williams 1901-6-18
NEBC: 00807273 Carex normalis Mackenzie USA: Rhode Island Providence: Providence E. F. Williams
GH: 00807275 Carex normalis Mackenzie USA: Rhode Island Providence: Providence E. F. Williams
GH: 00807296 Carex normalis Mackenzie USA: Connecticut Hartford: Hartford E. F. Williams 1901
NEBC: 00807336 Carex novae-angliae Schweinitz USA: Maine Mount Katahdin E. F. Williams 1900-7-16
NEBC: 00895592 Carex novae-angliae Schweinitz USA: Maine Mount Desert Island E. F. Williams 1897-7-12
NEBC: 00895649 Carex novae-angliae Schweinitz USA: New Hampshire Mount Clinton E. F. Williams 1 1895-7-18
NEBC: 00895648 Carex novae-angliae Schweinitz USA: New Hampshire Randolph: Randolph E. F. Williams 2 1897-7-24
NEBC: 00895678 Carex novae-angliae Schweinitz USA: New Hampshire Mount Moosilauke E. F. Williams 1907-7-9
NEBC: 00895699 Carex novae-angliae Schweinitz USA: New Hampshire Mount Monadnock E. F. Williams 1894-6-17
NEBC: 00895761 Carex novae-angliae Schweinitz USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
NEBC: 00895824 Carex oligosperma Michaux USA: Maine Mount Desert Island E. F. Williams 1897-7-11
NEBC: 00895833 Carex oligosperma Michaux USA: New Hampshire Crawford E. F. Williams 1895-7-16
GH: 00895997 Carex ormostachya Wiegand USA: Massachusetts Ashfield: Ashfield E. F. Williams 1907-7-3
NEBC: 00854029 Carex paleacea Schreber ex Wahlenberg USA: Maine Mount Desert Island E. F. Williams 1897-7-13
NEBC: 00807760 Carex pallescens Linnaeus USA: Maine Orland: Orland E. F. Williams
GH: 00807819 Carex pallescens Linnaeus USA: New Hampshire Mount Moosilauke E. F. Williams 1907-7-19
NEBC: 00807850 Carex pallescens Linnaeus USA: New Hampshire Fitzwilliam: Fitzwilliam E. F. Williams 1894-7-18
GH: 00807872 Carex pallescens Linnaeus USA: Vermont Mount Mansfield E. F. Williams 1897-7-2
GH: 00807897 Carex pallescens Linnaeus USA: Massachusetts Manchester: Manchester E. F. Williams 1896-6-13
NEBC: 00807898 Carex pallescens Linnaeus USA: Massachusetts Manchester: Manchester E. F. Williams 1896-6-13
NEBC: 01161135 Carex pallescens Linnaeus USA: Massachusetts Lexington: East Lexington E. F. Williams 1894-5-27
NEBC: 01161149 Carex pallescens Linnaeus USA: Massachusetts Jamaica Plain E. F. Williams
GH: 01161235 Carex pallescens Linnaeus USA: Rhode Island Cumberland: Cumberland E. F. Williams 1904-5-29
NEBC: 00576828 Carex panicea Linnaeus USA: Massachusetts Chestnut Hill [Boston/Brookline/Newton] E. F. Williams 1895-5-30
NEBC: 00576853 Carex panicea Linnaeus USA: Massachusetts Holbrook: Holbrook E. F. Williams 1899-6-18
GH: 01161352 Carex pauciflora Balbis ex Boott USA: Massachusetts E. F. Williams
NEBC: 00854296 Carex peckii Howe ex Peck USA: Vermont Willoughby E. F. Williams 1898-6-9
GH: 00854342 Carex peckii Howe ex Peck USA: Vermont Brandon: Brandon E. F. Williams 1908-5-22
NEBC: 00854477 Carex pedunculata Muhlenberg ex Willdenow USA: Massachusetts Woburn: Woburn, Shaker Glen E. F. Williams 1897-5-9
NEBC: 00854483 Carex pedunculata Muhlenberg ex Willdenow USA: Massachusetts Woburn: Woburn, Shaker Glen E. F. Williams 1897-5-9
NEBC: 00854493 Carex pedunculata Muhlenberg ex Willdenow USA: Massachusetts Colrain: Colrain E. F. Williams 1912-5-11
GH: 00854561 Carex pellita Muhlenberg ex Willdenow USA: Maine Fort Kent: Fort Kent E. F. Williams 1 1900-7-26
GH: 00854678 Carex pellita Muhlenberg ex Willdenow USA: Rhode Island Middletown: Middletown E. F. Williams 1908-5-30
NEBC: 00854679 Carex pellita Muhlenberg ex Willdenow USA: Rhode Island Middletown: Middletown E. F. Williams 1909-7-5
NEBC: 00854773 Carex pensylvanica Lamarck USA: Massachusetts Lawrence: Lawrence E. F. Williams 1900-6-3
NEBC: 00854778 Carex pensylvanica Lamarck USA: Massachusetts Woburn: Arlington, Zion's Hill [is in Woburn... E. F. Williams 1894-6-3
NEBC: 00807987 Carex plantaginea Lamarck USA: Vermont Willoughby E. F. Williams 1894-7-28
GH: 00854989 Carex plantaginea Lamarck USA: Massachusetts E. F. Williams
NEBC: 01161420 Carex plantaginea Lamarck USA: Massachusetts Goshen: Goshen E. F. Williams 1907-6-18
GH: 01161428 Carex plantaginea Lamarck USA: Massachusetts Lenox: Lenox E. F. Williams 1910-4-6
GH: 01161484 Carex platyphylla J. Carey USA: Vermont Willoughby E. F. Williams 1894-7-28
NEBC: 01161489 Carex platyphylla J. Carey USA: Vermont Willoughby E. F. Williams 1894-7-28
GH: 01161509 Carex platyphylla J. Carey USA: Vermont Brandon: Brandon E. F. Williams 1908-5-22
GH: 01161531 Carex platyphylla J. Carey USA: Massachusetts Ashfield: Ashfield E. F. Williams 1907-7-14
NEBC: 01161748 Carex projecta Mackenzie USA: Maine Mount Desert Island E. F. Williams 1899-7-17
NEBC: 01161787 Carex projecta Mackenzie USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-29
NEBC: 01161790 Carex projecta Mackenzie USA: New Hampshire Mount Washington E. F. Williams 1897-7-26
GH: 01161801 Carex projecta Mackenzie USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-14
NEBC: 01161803 Carex projecta Mackenzie USA: New Hampshire Warren: Warren E. F. Williams 1910-7-20
NEBC: 01161847 Carex projecta Mackenzie USA: Vermont Willoughby E. F. Williams 1896-7-22
NEBC: 01161848 Carex projecta Mackenzie USA: Vermont Willoughby E. F. Williams 1896-7-23
NEBC: 01161870 Carex projecta Mackenzie USA: Vermont Ripton: Ripton E. F. Williams 1908-7-11
GH: 01029515 Carex projecta Mackenzie USA: Massachusetts Amherst: Amherst E. F. Williams
GH: 00802004 Carex radiata (Wahlenberg) Small USA: Vermont Willoughby E. F. Williams 1894-7-22
GH: 00892497 Carex retrorsa Schweinitz USA: Maine Fort Kent: Fort Kent E. F. Williams 1900-7-26
GH: 00892528 Carex retrorsa Schweinitz USA: Maine Middle Dam E. F. Williams 1903-8-2
GH: 00892545 Carex retrorsa Schweinitz USA: New Hampshire Cambridge: Cambridge E. F. Williams 1906-7-25
NEBC: 00892562 Carex retrorsa Schweinitz USA: Vermont Willoughby E. F. Williams 1896-7-21
GH: 00892604 Carex retrorsa Schweinitz USA: Massachusetts Ashfield: Ashfield E. F. Williams 1909-7-18
GH: 00339445 Carex rosea Schkuhr ex Willdenow USA: Massachusetts Blue Hills Reservation E. F. Williams 1900-6-10
NEBC: 00802107 Carex rosea Schkuhr ex Willdenow USA: Connecticut Hartford: Hartford E. F. Williams 1901-6-20
NEBC: 00339361 Carex rugosperma Mackenzie USA: Massachusetts Stoneham: Little Neck, Middlesex Fells [Rese... E. F. Williams 1895-4-19
NEBC: 00717256 Carex saxatilis Linnaeus USA: Maine Mount Katahdin E. F. Williams 1900-7-9
NEBC: 00802228 Carex scabrata Schweinitz USA: New Hampshire Mount Clinton E. F. Williams 1895-7-18
NEBC: 00802279 Carex scabrata Schweinitz USA: Vermont Willoughby E. F. Williams 1896-7-23
NEBC: 00717275 Carex schweinitzii Dewey ex Schweinitz USA: Massachusetts Williamstown: Williamstown E. F. Williams 1901-6-17
NEBC: 00775426 Carex scirpoidea Michaux USA: New Hampshire Mount Washington E. F. Williams 1895-7-10
NEBC: 00775448 Carex scirpoidea Michaux USA: New Hampshire Hart's Location: Hart's Location E. F. Williams 1894-7-19
GH: 00775652 Carex scoparia Schkuhr ex Willdenow USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-23
GH: 00775653 Carex scoparia Schkuhr ex Willdenow USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-25
GH: 00775654 Carex scoparia Schkuhr ex Willdenow USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-25
NEBC: 00775655 Carex scoparia Schkuhr ex Willdenow USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-25
NEBC: 00775670 Carex scoparia Schkuhr ex Willdenow USA: New Hampshire Warren: Warren E. F. Williams 1908-7-24
NEBC: 00775671 Carex scoparia Schkuhr ex Willdenow USA: New Hampshire Wentworth: Wentworth E. F. Williams 1908-8-1
GH: 00775744 Carex scoparia Schkuhr ex Willdenow USA: Massachusetts Sharon: Sharon E. F. Williams 1896-6-17
GH: 00714547 Carex scoparia Schkuhr ex Willdenow USA: Vermont Westmore: Westmore E. F. Williams 1894-7-26
GH: 00714567 Carex scoparia Schkuhr ex Willdenow USA: Vermont Ripton: Ripton E. F. Williams 1908-7-13
GH: 00714635 Carex scoparia Schkuhr ex Willdenow USA: Massachusetts Sudbury: Sudbury, Nobscot Hill E. F. Williams 1901-7-7
NEBC: 00714646 Carex scoparia Schkuhr ex Willdenow USA: Massachusetts Woburn: Woburn, on Lexington Street E. F. Williams 1894-6-24
GH: 00248203 Carex shriveri Britton USA: Massachusetts Williamstown: E. F. Williams 1901-6-17
NEBC: 00802501 Carex siccata Dewey USA: Massachusetts Tewksbury: Tewksbury E. F. Williams 1901-6-23
GH: 00802515 Carex siccata Dewey USA: Massachusetts Sharon: Sharon E. F. Williams 1896-6-17
NEBC: 00802603 Carex silicea Olney USA: New Hampshire Rye: Rye E. F. Williams 1903-6-14
NEBC: 00874193 Carex silicea Olney USA: Massachusetts Marshfield: Marshfield E. F. Williams 1894-6-10
NEBC: 00874245 Carex silicea Olney USA: Rhode Island Middletown: Middletown E. F. Williams 1908-5-30
GH: 00228529 Carex sp. USA: Maine Wassataquoik Valley E. F. Williams 1900-7-17
GH: 01058952 Carex sp. USA: Massachusetts Amherst: Amherst E. F. Williams
GH: 00775855 Carex sparganioides Muhlenberg ex Willdenow USA: Massachusetts Woburn: Woburn, Shaker Glen E. F. Williams 1896-5-20
NEBC: 00775856 Carex sparganioides Muhlenberg ex Willdenow USA: Massachusetts Woburn: Woburn, Shaker Glen E. F. Williams 1896-5-30
GH: 00775868 Carex sparganioides Muhlenberg ex Willdenow USA: Massachusetts Colrain: Colrain E. F. Williams 1910-6-18
GH: 00576952 Carex spicata Hudson USA: Massachusetts Holbrook: Holbrook E. F. Williams 1899-6-18
NEBC: 00576956 Carex spicata Hudson USA: Massachusetts Milton: Milton E. F. Williams 1894-6-15
GH: 00576928 Carex spicata Hudson USA: Rhode Island Middletown: Middletown E. F. Williams 1909-7-4
NEBC: 00874302 Carex sprengelii Dewey ex Sprengel USA: New Hampshire Troy: Troy E. F. Williams 1899-5-30
GH: 00802660 Carex stenolepis Lessing USA: Maine Mount Katahdin E. F. Williams 1900-7-16
NEBC: 00802663 Carex stenolepis Lessing USA: Maine Mount Katahdin E. F. Williams 1900-7-16
GH: 00770335 Carex sterilis Schkuhr ex Willdenow USA: Maine Fort Fairfield: Fort Fairfield E. F. Williams 1902-7-15
GH: 00802753 Carex stipata Muhlenberg ex Willdenow USA: New Hampshire Warren: Warren E. F. Williams 1908-7-26
GH: 00802804 Carex stipata Muhlenberg ex Willdenow USA: Vermont Ripton: Ripton E. F. Williams 1908-7-13
GH: 00874393 Carex stipata Muhlenberg ex Willdenow USA: Massachusetts Wilmington: Wilmington E. F. Williams 1899-6-11
NEBC: 00874395 Carex stipata Muhlenberg ex Willdenow USA: Massachusetts Woburn: Woburn, Shaker Glen E. F. Williams 1 1894-5-20
NEBC: 00892776 Carex stipata Muhlenberg ex Willdenow USA: Massachusetts Lexington: East Lexington E. F. Williams 2 1894-5-27
NEBC: 00874404 Carex stipata Muhlenberg ex Willdenow USA: Massachusetts Dedham: Dedham E. F. Williams 1897-6-13
NEBC: 00766020 Carex stipata Muhlenberg ex Willdenow USA: Rhode Island Cumberland: Cumberland E. F. Williams 1904-5-29
GH: 00874478 Carex stricta Lamarck USA: Maine Fort Kent: Fort Kent E. F. Williams 1 1900-7-24
NEBC: 01029750 Carex stricta Lamarck USA: Maine Mount Desert Island E. F. Williams 1897-7-11
GH: 01029810 Carex stricta Lamarck USA: New Hampshire Crawford E. F. Williams 1895-7-15
NEBC: 00874678 Carex stricta Lamarck USA: Massachusetts Lexington: Lexington E. F. Williams 1894-5-30
NEBC: 01029956 Carex swanii (Fernald) Mackenzie USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-18
GH: 01029989 Carex swanii (Fernald) Mackenzie USA: New Hampshire Alstead: Alstead E. F. Williams 1901-7-28
NEBC: 01060032 Carex swanii (Fernald) Mackenzie USA: Massachusetts Sudbury: Sudbury, Nobscot hill E. F. Williams 82 1901-7-7
NEBC: 01059101 Carex swanii (Fernald) Mackenzie USA: Massachusetts Ashfield: Ashfield E. F. Williams 1907-7-3
GH: 01059262 Carex tenera Dewey USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-14
NEBC: 01059337 Carex tenera Dewey USA: Massachusetts Sharon: Sharon E. F. Williams 1896-6-17
NEBC: 00339361 Carex tonsa rugosperma (Mackenzie) Crins USA: Massachusetts Stoneham: Little Neck, Middlesex Fells [Rese... E. F. Williams 1895-4-19
NEBC: 00766451 Carex tonsa rugosperma (Mackenzie) Crins USA: Maine Mount Desert Island E. F. Williams 2 1899-7-19
NEBC: 00766539 Carex tonsa rugosperma (Mackenzie) Crins USA: Massachusetts Winchester: Winchester, Winter Pond E. F. Williams 1895-5-12
NEBC: 01059967 Carex trisperma Dewey USA: Maine Orland: Orland E. F. Williams
NEBC: 01059993 Carex trisperma Dewey USA: New Hampshire Crawford E. F. Williams 1895-7-17
GH: 00766544 Carex trisperma Dewey USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-27
NEBC: 00766547 Carex trisperma Dewey USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-27
GH: 00766554 Carex trisperma Dewey USA: New Hampshire Crawford E. F. Williams 1895-7-20
NEBC: 00766592 Carex trisperma Dewey USA: Vermont Mount Mansfield E. F. Williams 1897-7-2
NEBC: 00766624 Carex trisperma Dewey USA: Massachusetts Norwood: Norwood E. F. Williams 1896-6-21
GH: 01060486 Carex tuckermanii Dewey USA: Massachusetts Cummington: Cummington E. F. Williams 1907-7-8
NEBC: 01060524 Carex tuckermanii Dewey USA: Maine Hallowell: Hallowell E. F. Williams 1896-10-1
GH: 00880921 Carex typhina Michaux USA: Vermont Weybridge: Weybridge E. F. Williams 1908-7-8
GH: 00880938 Carex typhina Michaux USA: Connecticut E. F. Williams
NEBC: 00339361 Carex umbellata Schkuhr ex Willdenow USA: Massachusetts Stoneham: Little Neck, Middlesex Fells [Rese... E. F. Williams 1895-4-19
GH: 01060800 Carex umbellata Schkuhr ex Willdenow USA: Maine E. F. Williams
NEBC: 01060833 Carex umbellata Schkuhr ex Willdenow USA: New Hampshire Mount Willard E. F. Williams 1898-7-1
NEBC: 01060834 Carex umbellata Schkuhr ex Willdenow USA: New Hampshire Crawford E. F. Williams 1898-7-1
NEBC: 01060913 Carex utriculata Boott USA: Maine Roebar's Camp E. F. Williams 1900-7-17
NEBC: 01058310 Carex utriculata Boott USA: New Hampshire Crawford E. F. Williams 1895-7-15
GH: 01058397 Carex utriculata Boott USA: Vermont Willoughby E. F. Williams 1896-7-26
NEBC: 01058400 Carex utriculata Boott USA: Vermont Willoughby E. F. Williams 1896-7-26
GH: 01061145 Carex vesicaria Linnaeus USA: Maine Madawaska Lake E. F. Williams 1900-8-2
NEBC: 01061210 Carex vesicaria Linnaeus USA: Maine Magalloway E. F. Williams 1903-8-2
GH: 01061218 Carex vesicaria Linnaeus USA: Maine Rangeley: Rangeley E. F. Williams 1903-8-2
GH: 01058561 Carex vesicaria Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 1894-7-9
GH: 01058592 Carex vesicaria Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-14
GH: 01058598 Carex vesicaria Linnaeus USA: New Hampshire Wentworth: Wentworth E. F. Williams 1908-7-29
GH: 00027476 Carex vesicaria jejuna Fernald USA: Maine Madawaska Lake E. F. Williams 1900-8-2
GH: 00874757 Carex vestita Willdenow USA: Massachusetts E. F. Williams
NEBC: 00874804 Carex vestita Willdenow USA: Massachusetts Woburn: Woburn, Shaker Glen E. F. Williams 1894-5-20
NEBC: 00339520 Carex virescens Muhlenberg ex Willdenow USA: Massachusetts Blue Hill, Blue Hills Reservation E. F. Williams 1901-7-4
GH: 01042000 Carex viridula Michaux USA: Massachusetts Pittsfield: Pittsfield E. F. Williams
GH: 01042001 Carex viridula Michaux USA: New York Niagra Falls: Niagra Falls E. F. Williams
GH: 01042002 Carex viridula Michaux USA: Maine E. F. Williams
NEBC: 01042030 Carex viridula Michaux USA: Maine Mount Katahdin E. F. Williams 139 1900-7-16
NEBC: 01043120 Carex viridula Michaux USA: Maine Mount Desert Island E. F. Williams 1897-7-12
NEBC: 01043124 Carex viridula Michaux USA: Maine Mount Desert Island E. F. Williams 1897-7-11
NEBC: 01043125 Carex viridula Michaux USA: Maine Mount Desert Island E. F. Williams 1897-7-11
GH: 01061385 Carex viridula Michaux USA: New York Watertown: Watertown E. F. Williams
NEBC: 01043170 Carex viridula Michaux USA: Vermont Willoughby E. F. Williams 1896-7-22
NEBC: 01043187 Carex viridula Michaux USA: Massachusetts Rockport: Rockport E. F. Williams 1897-8-15
GH: 01043271 Carex vulpinoidea Michaux USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-6
NEBC: 01043274 Carex vulpinoidea Michaux USA: New Hampshire Warren: Warren E. F. Williams 1910-7-25
NEBC: 01043290 Carex vulpinoidea Michaux USA: Vermont Westmore: Westmore E. F. Williams 1896-7-26
GH: 01043291 Carex vulpinoidea Michaux USA: Vermont Willoughby Lake E. F. Williams 1894-7-26
NEBC: 01043318 Carex vulpinoidea Michaux USA: Vermont Ripton: Ripton E. F. Williams 1908-7-11
GH: 01043339 Carex vulpinoidea Michaux USA: Massachusetts Newburyport: Newburyport E. F. Williams 1898-7-31
NEBC: 01043381 Carex vulpinoidea Michaux USA: Massachusetts Norwood: Norwood E. F. Williams 1897-6-27
GH: 01043386 Carex vulpinoidea Michaux USA: Massachusetts Walpole: Walpole E. F. Williams 1897-6-17
GH: 01043456 Carex vulpinoidea Michaux USA: Rhode Island Middletown: Middletown E. F. Williams 1909-7-4
GH: 00874949 Cladium mariscoides (Muhlenberg) Torrey USA: Maine Crystal: Crystal E. F. Williams 1901-8-19
GH: 01042135 Cladium mariscoides (Muhlenberg) Torrey USA: New Hampshire Wentworth: Wentworth E. F. Williams 1910-7-26
NEBC: 01042136 Cladium mariscoides (Muhlenberg) Torrey USA: New Hampshire Wentworth: Wentworth E. F. Williams 1908-7-29
NEBC: 01042143 Cladium mariscoides (Muhlenberg) Torrey USA: New Hampshire Hampton: Hampton E. F. Williams 1902-8-31
NEBC: 01042153 Cladium mariscoides (Muhlenberg) Torrey USA: Vermont Willoughby E. F. Williams 1894-7-29
NEBC: 01042157 Cladium mariscoides (Muhlenberg) Torrey USA: Vermont Willoughby E. F. Williams 1894-7-29
NEBC: 01042194 Cladium mariscoides (Muhlenberg) Torrey USA: Massachusetts Sharon: Sharon E. F. Williams 1899-9-10
NEBC: 01042202 Cladium mariscoides (Muhlenberg) Torrey USA: Massachusetts Scituate: Scituate E. F. Williams 1898-7-10
NEBC: 01042298 Cyperus bipartitus Torrey USA: New Hampshire East Jaffrey E. F. Williams 1 1901-9-2
NEBC: 01042373 Cyperus bipartitus Torrey USA: Massachusetts Andover: Andover E. F. Williams 1899-9-24
NEBC: 00339542 Cyperus dentatus Torrey USA: Massachusetts Milton: Blue Hills Reservation, Houghtons po... E. F. Williams 1894-8-25
NEBC: 00339543 Cyperus dentatus Torrey USA: Massachusetts Braintree: Great Pond E. F. Williams 1894-9-23
NEBC: 01043617 Cyperus dentatus Torrey USA: New Hampshire Wentworth: Wentworth E. F. Williams 1908-7-29
NEBC: 01043643 Cyperus dentatus Torrey USA: Massachusetts Ipswich: Ipswich E. F. Williams 159 1911-10-5
NEBC: 01042572 Cyperus dentatus Torrey USA: Massachusetts Norwood: Norwood E. F. Williams 1894-8-26
GH: 01042623 Cyperus dentatus Torrey USA: Massachusetts Bourne: Bourne E. F. Williams 2 1901-9-15
GH: 01042624 Cyperus dentatus Torrey USA: Massachusetts Barnstable Town E. F. Williams 1 1897-9-12
NEBC: 01042627 Cyperus dentatus Torrey USA: Massachusetts Barnstable Town E. F. Williams 1897-9-12
NEBC: 01042711 Cyperus dentatus Torrey USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-22
NEBC: 00339545 Cyperus diandrus Torrey USA: Massachusetts Milton: edge of Houghtons Pond, Blue Hills R... E. F. Williams 1894-8-25
NEBC: 01043676 Cyperus diandrus Torrey USA: Massachusetts Bourne: Bourne E. F. Williams 1901-9-15
NEBC: 01043811 Cyperus diandrus Torrey USA: Massachusetts Tewksbury: Tewksbury E. F. Williams 1902-9-1
NEBC: 01043977 Cyperus filicinus Vahl USA: Massachusetts Ipswich: Ipswich E. F. Williams 160 1911-10-5
NEBC: 01042781 Cyperus filicinus Vahl USA: Massachusetts Scituate: Scituate E. F. Williams 2 1897-9-6
NEBC: 01042780 Cyperus filicinus Vahl USA: Massachusetts Marshfield: Marshfield E. F. Williams 3 1897-10-3
GH: 01042872 Cyperus grayi Torrey USA: Massachusetts Plum Island E. F. Williams 1899-8-4
NEBC: 01042893 Cyperus grayi Torrey USA: Massachusetts Barnstable Town E. F. Williams 1898-9-5
NEBC: 01061552 Cyperus lupulinus macilentus (Fernald) Marcks USA: New Hampshire Walpole: Walpole E. F. Williams 1 1901-7-28
NEBC: 01061635 Cyperus lupulinus macilentus (Fernald) Marcks USA: Massachusetts Falmouth: Falmouth E. F. Williams 1911-7-13
NEBC: 01042913 Cyperus lupulinus macilentus (Fernald) Marcks USA: Massachusetts E. F. Williams
GH: 01042994 Cyperus odoratus Linnaeus USA: Massachusetts Boston: Neponset marshes, Readville [Hyde Pa... E. F. Williams 1 1900-9-23
NEBC: 01061712 Cyperus polystachyos Rottbøll USA: Massachusetts Nantucket: Nantucket E. F. Williams 1894-9-9
NEBC: 00339545 Cyperus rivularis Kunth USA: Massachusetts Milton: edge of Houghtons Pond, Blue Hills R... E. F. Williams 1894-8-25
GH: 01047063 Cyperus squarrosus Linnaeus USA: New Hampshire Walpole: Walpole E. F. Williams 1901-7-28
NEBC: 01047065 Cyperus squarrosus Linnaeus USA: New Hampshire Walpole: Walpole E. F. Williams 1901-7-28
NEBC: 01048159 Cyperus strigosus Linnaeus USA: Massachusetts Winchester: Winchester, Winter Pond E. F. Williams 1897-10-10
NEBC: 01048219 Cyperus strigosus Linnaeus USA: Massachusetts Bourne: Bourne E. F. Williams 1898-8-21
NEBC: 01048266 Cyperus strigosus Linnaeus USA: Massachusetts Nantucket: Nantucket E. F. Williams 1895
NEBC: 01048270 Cyperus strigosus Linnaeus USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-29
GH: 01048323 Cyperus strigosus Linnaeus USA: Rhode Island Tiverton: Tiverton E. F. Williams 1903-9-27
GH: 01048957 Dulichium arundinaceum (Linnaeus) Britton USA: Maine Mount Desert Island E. F. Williams 1899-7-25
GH: 00672367 Dulichium arundinaceum (Linnaeus) Britton USA: New Hampshire Wentworth: Wentworth E. F. Williams 1908-7-29
NEBC: 01018124 Dulichium arundinaceum (Linnaeus) Britton USA: Massachusetts Cape Cod E. F. Williams
NEBC: 00672295 Dulichium arundinaceum (Linnaeus) Britton USA: Massachusetts Norwood: Norwood E. F. Williams 1894-8-26
NEBC: 01047335 Dulichium arundinaceum (Linnaeus) Britton USA: Massachusetts Middleborough: Middleborough E. F. Williams 928 1901-8-11
GH: 01042505 Eleocharis acicularis (Linnaeus) Roemer & Schultes USA: Maine Middle Dam E. F. Williams 1903-8-2
GH: 01061834 Eleocharis acicularis (Linnaeus) Roemer & Schultes USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-12
GH: 01061941 Eleocharis acicularis (Linnaeus) Roemer & Schultes USA: Massachusetts Barnstable Town E. F. Williams 1898-9-4
GH: 00770840 Eleocharis elliptica Kunth USA: New Hampshire Warren: Warren E. F. Williams 1908-7-27
NEBC: 00770841 Eleocharis elliptica Kunth USA: New Hampshire Warren: Warren E. F. Williams 1908-7-23
NEBC: 00770937 Eleocharis elliptica Kunth USA: Massachusetts Woburn: Woburn, Shaker Glen E. F. Williams 1894-5-20
NEBC: 00770953 Eleocharis elliptica Kunth USA: Massachusetts Sharon: Sharon E. F. Williams 1896-6-17
NEBC: 00770957 Eleocharis elliptica Kunth USA: Massachusetts Marshfield: Marshfield E. F. Williams 1894-6-10
NEBC: 01048027 Eleocharis engelmannii detonsa A. Gray USA: Massachusetts Winchester: Winchester, Winter Pond E. F. Williams 1897-10-10
GH: 01048080 Eleocharis erythropoda Steudel USA: New Hampshire Walpole: Walpole E. F. Williams 1901-7-28
NEBC: 01048081 Eleocharis erythropoda Steudel USA: Massachusetts Newbury: Newbury E. F. Williams 1898-7-31
NEBC: 01048087 Eleocharis erythropoda Steudel USA: Massachusetts Gosnold: Gosnold E. F. Williams 1911-7-10
NEBC: 00339572 Eleocharis flavescens olivacea (Torrey) Gleason USA: Massachusetts Boston: Muddy [Turtle] Pond, West Roxbury [S... E. F. Williams 1896-9-13
NEBC: 00339574 Eleocharis flavescens olivacea (Torrey) Gleason USA: Massachusetts Boston: Stony Brook Reservation, shores of M... E. F. Williams 1896-9-13
NEBC: 00443563 Eleocharis flavescens olivacea (Torrey) Gleason USA: Massachusetts Boston: Muddy [Turtle] Pond, West Roxbury [S... E. F. Williams 1896-9-13
GH: 01018024 Eleocharis flavescens olivacea (Torrey) Gleason USA: New Hampshire Wentworth: Wentworth E. F. Williams 1908-8-1
NEBC: 01018052 Eleocharis flavescens olivacea (Torrey) Gleason USA: Massachusetts Tewksbury: Long Pond, Tewksbury E. F. Williams 1899-10-8
NEBC: 01047259 Eleocharis flavescens olivacea (Torrey) Gleason USA: Massachusetts Scituate: Scituate E. F. Williams 1901-9-8
GH: 01047292 Eleocharis flavescens olivacea (Torrey) Gleason USA: Massachusetts Westwood: Westwood E. F. Williams 1 1901-10-6
NEBC: 01048341 Eleocharis intermedia (Muhlenberg) Schultes USA: Maine Fort Fairfield: Fort Fairfield E. F. Williams 1 1901-8-17
NEBC: 01048342 Eleocharis intermedia (Muhlenberg) Schultes USA: Maine Fort Fairfield: Fort Fairfield E. F. Williams 1901-8-18
GH: 00770559 Eleocharis obtusa (Willdenow) Schultes USA: Maine Rangeley: Rangeley E. F. Williams 1903-8-3
NEBC: 00714184 Eleocharis obtusa (Willdenow) Schultes USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-18
NEBC: 00714187 Eleocharis obtusa (Willdenow) Schultes USA: New Hampshire Warren: Warren E. F. Williams 1907-8-2
GH: 00714188 Eleocharis obtusa (Willdenow) Schultes USA: New Hampshire Warren: Warren E. F. Williams 1908-7-22
NEBC: 00714189 Eleocharis obtusa (Willdenow) Schultes USA: New Hampshire Wentworth: Wentworth E. F. Williams 1 1908-7-29
NEBC: 00714205 Eleocharis obtusa (Willdenow) Schultes USA: New Hampshire Hampton: Hampton E. F. Williams 1 1901-9-22
GH: 00714207 Eleocharis obtusa (Willdenow) Schultes USA: New Hampshire Hampton: Hampton E. F. Williams 1901-9-22
GH: 00714227 Eleocharis obtusa (Willdenow) Schultes USA: New Hampshire East Jaffrey E. F. Williams 1901-8-31
NEBC: 00714252 Eleocharis obtusa (Willdenow) Schultes USA: Vermont Stockbridge: Stockbridge E. F. Williams 2125 1900
GH: 00717638 Eleocharis obtusa (Willdenow) Schultes USA: Massachusetts Concord: Concord, S. of Annusnack Hill E. F. Williams 1897-10-24
GH: 00717660 Eleocharis obtusa (Willdenow) Schultes USA: Massachusetts Tewksbury: Tewksbury E. F. Williams 1 1902-9-1
NEBC: 00717690 Eleocharis obtusa (Willdenow) Schultes USA: Massachusetts Sharon: Sharon E. F. Williams 1 1901-9-7
GH: 00717692 Eleocharis obtusa (Willdenow) Schultes USA: Massachusetts Tewksbury: Round Pond, Tewksbury E. F. Williams 1899-10-8
GH: 00717693 Eleocharis obtusa (Willdenow) Schultes USA: Massachusetts Sharon: Sharon E. F. Williams 1899-9-10
GH: 00717694 Eleocharis obtusa (Willdenow) Schultes USA: Massachusetts Sharon: Sharon E. F. Williams 1897-10-17
GH: 00638043 Eleocharis obtusa (Willdenow) Schultes USA: Massachusetts Bourne: Bourne E. F. Williams 1901-9-15
NEBC: 00339572 Eleocharis olivacea Torrey USA: Massachusetts Boston: Muddy [Turtle] Pond, West Roxbury [S... E. F. Williams 1896-9-13
NEBC: 00339574 Eleocharis olivacea Torrey USA: Massachusetts Boston: Stony Brook Reservation, shores of M... E. F. Williams 1896-9-13
NEBC: 00443563 Eleocharis olivacea Torrey USA: Massachusetts Boston: Muddy [Turtle] Pond, West Roxbury [S... E. F. Williams 1896-9-13
NEBC: 00714388 Eleocharis ovata (Roth) Roemer & Schultes USA: Maine Fort Kent: Fort Kent E. F. Williams 1901-8-12
NEBC: 00714396 Eleocharis ovata (Roth) Roemer & Schultes USA: Maine Van Buren: Van Buren E. F. Williams 1901-8-13
GH: 01048475 Eleocharis palustris (Linnaeus) Roemer & Schultes USA: Massachusetts Holbrook: Holbrook E. F. Williams 1899-6-18
NEBC: 01048509 Eleocharis palustris (Linnaeus) Roemer & Schultes USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-21
NEBC: 01048577 Eleocharis parvula (Roemer & Schultes) Link ex Bluff, Nees & Schauer USA: New Hampshire Hampton: Hampton E. F. Williams 1901-9-22
GH: 01048578 Eleocharis parvula (Roemer & Schultes) Link ex Bluff, Nees & Schauer USA: New Hampshire Hampton: Hampton E. F. Williams 1901-9-22
NEBC: 01048587 Eleocharis parvula (Roemer & Schultes) Link ex Bluff, Nees & Schauer USA: Massachusetts Salem: Salem E. F. Williams
NEBC: 01048605 Eleocharis parvula (Roemer & Schultes) Link ex Bluff, Nees & Schauer USA: Massachusetts Barnstable Town E. F. Williams 1898-9-5
GH: 01048609 Eleocharis parvula (Roemer & Schultes) Link ex Bluff, Nees & Schauer USA: Massachusetts Barnstable Town E. F. Williams 1898-9-5
NEBC: 01048625 Eleocharis parvula (Roemer & Schultes) Link ex Bluff, Nees & Schauer USA: Massachusetts Nantucket: Nantucket E. F. Williams
GH: 01048630 Eleocharis parvula (Roemer & Schultes) Link ex Bluff, Nees & Schauer USA: Rhode Island Middletown: Middletown E. F. Williams 1909-7-5
GH: 01048645 Eleocharis quinqueflora (Hartmann) O. Schwarz USA: Maine Fort Fairfield: Fort Fairfield E. F. Williams 1901-8-18
GH: 01048708 Eleocharis robbinsii Oakes USA: New Hampshire Wentworth: Wentworth E. F. Williams 1908-7-29
NEBC: 01048742 Eleocharis robbinsii Oakes USA: Massachusetts Barnstable Town E. F. Williams 1898-9-4
NEBC: 01048858 Eleocharis tenuis (Willdenow) Schultes USA: New Hampshire Wentworth: Wentworth E. F. Williams 1908-8-1
NEBC: 00717852 Eleocharis tuberculosa retrorsa Svenson USA: Massachusetts Tewksbury: Round Pond, Tewksbury E. F. Williams 1900-8-12
NEBC: 01048927 Eleocharis uniglumis (Link) Schultes USA: Maine Little Cranberry Island E. F. Williams 1899-7-24
NEBC: 01060185 Eriophorum alpinum Linnaeus USA: New Hampshire Crawford E. F. Williams 1895-7-15
GH: 01060224 Eriophorum alpinum Linnaeus USA: Vermont Willoughby E. F. Williams 1896-7-20
GH: 01060269 Eriophorum alpinum Linnaeus USA: Massachusetts Sudbury: Sudbury E. F. Williams 1900-5-30
NEBC: 01060271 Eriophorum alpinum Linnaeus USA: Massachusetts Sudbury: Sudbury E. F. Williams 1900-5-30
GH: 01060280 Eriophorum alpinum Linnaeus USA: Massachusetts Ashfield: Ashfield E. F. Williams 1907-6-17
NEBC: 01060398 Eriophorum gracile W. D. J. Koch ex Roth USA: Rhode Island Cumberland: Cumberland E. F. Williams 1904-5-29
GH: 01060555 Eriophorum tenellum Nuttall USA: Maine Mount Desert Island E. F. Williams 1899-7-18
NEBC: 01060556 Eriophorum tenellum Nuttall USA: Maine Mount Desert Island E. F. Williams 1899-7-18
GH: 01060604 Eriophorum tenellum Nuttall USA: New Hampshire Crawford E. F. Williams 1895-7-15
GH: 01060609 Eriophorum tenellum Nuttall USA: New Hampshire Wentworth: Wentworth E. F. Williams 1908-8-1
NEBC: 01060724 Eriophorum tenellum Nuttall USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-26
NEBC: 00766756 Eriophorum vaginatum Linnaeus USA: New Hampshire Mount Adams E. F. Williams 1893-8-5
NEBC: 00766768 Eriophorum vaginatum Linnaeus USA: New Hampshire Mount Washington E. F. Williams 1895-7-8
GH: 00766823 Eriophorum vaginatum Linnaeus USA: Massachusetts Chestnut Hill [Boston/Brookline/Newton] E. F. Williams 1896-5-17
NEBC: 00766824 Eriophorum vaginatum Linnaeus USA: Massachusetts Chestnut Hill [Boston/Brookline/Newton] E. F. Williams 1895-5-30
GH: 00443536 Eriophorum virginicum Linnaeus USA: Massachusetts Milton: near Pine Tree Pool, Blue Hills Rese... E. F. Williams 1895-9-2
GH: 00766999 Eriophorum virginicum Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1910-7-28
NEBC: 01061000 Eriophorum virginicum Linnaeus USA: New Hampshire Warren: Warren E. F. Williams
GH: 01061045 Eriophorum virginicum Linnaeus USA: Vermont Willoughby E. F. Williams 1894-7-23
GH: 01061061 Eriophorum virginicum Linnaeus USA: Vermont Ripton: Ripton E. F. Williams 1908-7-15
NEBC: 01058607 Eriophorum virginicum Linnaeus USA: Massachusetts Norwood: Norwood E. F. Williams 1894-8-26
NEBC: 01058616 Eriophorum virginicum Linnaeus USA: Massachusetts Scituate: Scituate E. F. Williams 1898-7-10
NEBC: 01043042 Eriophorum viridicarinatum (Engelmann) Fernald USA: New Hampshire Crawford E. F. Williams 1898-7-1
NEBC: 01043050 Eriophorum viridicarinatum (Engelmann) Fernald USA: New Hampshire Randolph: Randolph E. F. Williams 1894-7-9
GH: 01043070 Eriophorum viridicarinatum (Engelmann) Fernald USA: New Hampshire Warren: Warren E. F. Williams 1910-7-28
NEBC: 01042095 Eriophorum viridicarinatum (Engelmann) Fernald USA: Massachusetts Woburn: Woburn, Lexington St. E. F. Williams 1896-5-30
NEBC: 01042100 Eriophorum viridicarinatum (Engelmann) Fernald USA: Massachusetts Norwood: Norwood E. F. Williams 1895-5-19
NEBC: 00339704 Fimbristylis autumnalis (Linnaeus) Roemer & Schultes USA: Massachusetts Milton: Houghtons Pond [Blue Hills Reservati... E. F. Williams 1894-8-25
GH: 01058025 Fimbristylis autumnalis (Linnaeus) Roemer & Schultes USA: New Hampshire Wentworth: Wentworth E. F. Williams 1908-8-1
NEBC: 01058107 Fimbristylis autumnalis (Linnaeus) Roemer & Schultes USA: Massachusetts Barnstable Town E. F. Williams 1898-9-4
GH: 00338963 Fimbristylis capillaris (Linnaeus) A. Gray USA: Massachusetts Quincy: The Dome, Blue Hills Reservation E. F. Williams 1895-9-2
GH: 00338962 Fimbristylis capillaris (Linnaeus) A. Gray USA: Massachusetts Boston: Readville [Hyde Park] E. F. Williams 1895-9-8
NEBC: 00339704 Fimbristylis frankii Steudel USA: Massachusetts Milton: Houghtons Pond [Blue Hills Reservati... E. F. Williams 1894-8-25
GH: 00680120 Fuirena pumila (Torrey) Sprengel USA: Massachusetts Barnstable Town E. F. Williams 1898-9-5
GH: 00680121 Fuirena pumila (Torrey) Sprengel USA: Massachusetts Tewksbury: Round Pond, Tewksbury E. F. Williams 1899-10-8
GH: 00680122 Fuirena pumila (Torrey) Sprengel USA: Massachusetts Tewksbury: Round Pond, Tewksbury E. F. Williams 1900-8-12
GH: 00766205 Lipocarpha micrantha (Vahl) G. C. Tucker USA: Massachusetts Winchester: Winchester, Winter Pond E. F. Williams 2 1901-10-20
NEBC: 00766216 Lipocarpha micrantha (Vahl) G. C. Tucker USA: Massachusetts Barnstable Town E. F. Williams 1898-9-4
NEBC: 01029381 Rhynchospora alba (Linnaeus) Vahl USA: Maine Mount Desert Island E. F. Williams 1 1899-7-25
GH: 00892864 Rhynchospora alba (Linnaeus) Vahl USA: Massachusetts Sharon: Sharon E. F. Williams 1894-7-1
NEBC: 00892889 Rhynchospora alba (Linnaeus) Vahl USA: Massachusetts Barnstable Town E. F. Williams 1898-9-5
NEBC: 00892899 Rhynchospora alba (Linnaeus) Vahl USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-29
GH: 00874050 Rhynchospora capitellata (Michaux) Vahl USA: New Hampshire Wentworth: Wentworth E. F. Williams 1908-7-29
NEBC: 00874121 Rhynchospora capitellata (Michaux) Vahl USA: Massachusetts Tewksbury: Round Pond, Tewksbury E. F. Williams 1902-9-1
GH: 00802883 Rhynchospora fusca (Linnaeus) W. T. Aiton USA: New Hampshire Wentworth: Wentworth E. F. Williams 1908-8-1
GH: 00802915 Rhynchospora fusca (Linnaeus) W. T. Aiton USA: Massachusetts Holbrook: Holbrook E. F. Williams 1899-6-18
NEBC: 00766087 Rhynchospora macrostachya Torrey ex A. Gray USA: Massachusetts Barnstable Town E. F. Williams 1897-9-12
GH: 00892330 Schoenoplectus sp. USA: Massachusetts Concord: Concord, Sudbury river E. F. Williams 1908-8-16
GH: 00894377 Scirpus atrocinctus Fernald USA: Maine Caribou: Caribou E. F. Williams 1900-8-2
GH: 00894457 Scirpus atrocinctus Fernald USA: Maine Mount Desert Island E. F. Williams 1899-7-17
NEBC: 00894458 Scirpus atrocinctus Fernald USA: Maine Mount Desert Island E. F. Williams 1899-7-18
GH: 00894500 Scirpus atrocinctus Fernald USA: New Hampshire Randolph: Randolph E. F. Williams 1894-7-10
GH: 00894501 Scirpus atrocinctus Fernald USA: New Hampshire Randolph: Randolph E. F. Williams 1894-7-10
NEBC: 00894514 Scirpus atrocinctus Fernald USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-28
GH: 00894534 Scirpus atrocinctus Fernald USA: New Hampshire Warren: Warren E. F. Williams 1910-7-21
GH: 00894535 Scirpus atrocinctus Fernald USA: New Hampshire Warren: Warren E. F. Williams 1908-7-28
NEBC: 00894559 Scirpus atrocinctus Fernald USA: New Hampshire Alstead: Alstead E. F. Williams 1901-7-27
NEBC: 00894563 Scirpus atrocinctus Fernald USA: New Hampshire Mount Monadnock E. F. Williams 1894-6-17
GH: 00894654 Scirpus atrocinctus Fernald USA: Massachusetts Sharon: Sharon E. F. Williams 1894-7-1
GH: 00894671 Scirpus atrocinctus Fernald USA: Massachusetts Ashfield: Ashfield E. F. Williams 1909-7-18
NEBC: 00894902 Scirpus caespitosus Linnaeus USA: New Hampshire Mount Washington E. F. Williams 1895-7-8
NEBC: 00894916 Scirpus caespitosus Linnaeus USA: New Hampshire Mount Lafayette E. F. Williams 1894-8-5
NEBC: 00894926 Scirpus caespitosus Linnaeus USA: Vermont Cambridge: Cambridge E. F. Williams 1897-7-5
GH: 01160052 Scirpus cyperinus (Linnaeus) Kunth USA: Maine Mount Desert Island E. F. Williams 1899-7-28
GH: 01160150 Scirpus cyperinus (Linnaeus) Kunth USA: New Hampshire Warren: Warren E. F. Williams 1910-7-21
NEBC: 01160151 Scirpus cyperinus (Linnaeus) Kunth USA: New Hampshire Wentworth: Wentworth E. F. Williams 1910-7-26
GH: 01160195 Scirpus cyperinus (Linnaeus) Kunth USA: New Hampshire East Jaffrey E. F. Williams 1901-8-31
NEBC: 01160239 Scirpus cyperinus (Linnaeus) Kunth USA: Massachusetts South Georgetown E. F. Williams 1899-8-1
GH: 01160245 Scirpus cyperinus (Linnaeus) Kunth USA: Massachusetts Newbury: Newbury E. F. Williams 1899-8-7
GH: 01160285 Scirpus cyperinus (Linnaeus) Kunth USA: Massachusetts Sharon: Sharon E. F. Williams 1899-9-10
NEBC: 01160358 Scirpus cyperinus (Linnaeus) Kunth USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-29
GH: 01160404 Scirpus cyperinus (Linnaeus) Kunth USA: Rhode Island Cumberland: Cumberland E. F. Williams 1903-9-13
GH: 00027995 Scirpus debilis williamsii Fernald USA: Massachusetts Sharon: Lake Massapoag E. F. Williams 1901-9-7
GH: 00027996 Scirpus debilis williamsii Fernald USA: Massachusetts Sharon: Lake Massapoag E. F. Williams 1901-9-7
GH: 01160487 Scirpus expansus Fernald USA: New Hampshire Warren: Warren E. F. Williams 1910-7-26
NEBC: 01160488 Scirpus expansus Fernald USA: New Hampshire Warren: Warren E. F. Williams 1910-7-20
NEBC: 00638684 Scirpus hallii A. Gray USA: Massachusetts Winchester: Winchester, Winter Pond E. F. Williams 1901-8-20
GH: 01160640 Scirpus hattorianus Makino USA: Maine Cranberry Isles: Cranberry Isles E. F. Williams 1899-7-20
GH: 00892194 Scirpus hattorianus Makino USA: New Hampshire Warren: Warren E. F. Williams 1910-7-29
NEBC: 00892210 Scirpus hattorianus Makino USA: New Hampshire Fitzwilliam: Fitzwilliam E. F. Williams 1894-6-18
GH: 00892220 Scirpus hattorianus Makino USA: Vermont Willoughby E. F. Williams 1896-7-18
GH: 00892269 Scirpus hattorianus Makino USA: Massachusetts Heath: Heath E. F. Williams 1909-7-17
NEBC: 00808045 Scirpus maritimus ük. (A. Nelson) Kükenthal USA: Maine Great Cranberry Island E. F. Williams 1910-8-8
NEBC: 00808046 Scirpus maritimus ük. (A. Nelson) Kükenthal USA: Maine Little Cranberry Island E. F. Williams 1 1899-7-24
NEBC: 00808048 Scirpus maritimus ük. (A. Nelson) Kükenthal USA: Maine Mount Desert Island E. F. Williams 1910-8-5
NEBC: 00808119 Scirpus maritimus ük. (A. Nelson) Kükenthal USA: Massachusetts Barnstable Town E. F. Williams 1 1898-9-5
GH: 00808158 Scirpus microcarpus J. Presl & C. Presl USA: Maine Cross Lake E. F. Williams 1900-8-2
NEBC: 00808255 Scirpus microcarpus J. Presl & C. Presl USA: New Hampshire Mount Clinton E. F. Williams 1895-7-18
NEBC: 00808259 Scirpus microcarpus J. Presl & C. Presl USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-28
GH: 00808275 Scirpus microcarpus J. Presl & C. Presl USA: New Hampshire Warren: Warren E. F. Williams 1910-7-20
GH: 00808294 Scirpus microcarpus J. Presl & C. Presl USA: New Hampshire Fitzwilliam: Fitzwilliam E. F. Williams 1894-6-18
NEBC: 00808304 Scirpus microcarpus J. Presl & C. Presl USA: Vermont Willoughby E. F. Williams 1896-7-19
NEBC: 00894358 Scirpus öve (Muhlenberg ex Bigelow) Á. Löve & D. Löve USA: Massachusetts Topsfield: Topsfield E. F. Williams 1 1903-8-23
GH: 01160834 Scirpus pedicellatus Fernald USA: Maine Frenchville: Frenchville E. F. Williams 1901-8-12
GH: 01160890 Scirpus pedicellatus Fernald USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-7
GH: 01160893 Scirpus pedicellatus Fernald USA: New Hampshire Wentworth: Wentworth E. F. Williams 1910-7-26
GH: 00808921 Scirpus pendulus Muhlenberg USA: Vermont Middlebury: Middlebury E. F. Williams 1901-7-8
GH: 00808952 Scirpus polyphyllus Vahl USA: Massachusetts Ashfield: Ashfield E. F. Williams 1909-8-1
NEBC: 00895410 Scirpus pungens Vahl USA: Massachusetts Gloucester: Gloucester E. F. Williams 1898-8-14
NEBC: 00807356 Scirpus pungens Vahl USA: Massachusetts Revere: Revere E. F. Williams 1896-6-28
NEBC: 00807389 Scirpus pungens Vahl USA: Massachusetts Barnstable Town E. F. Williams 1898-9-5
NEBC: 00807416 Scirpus pungens Vahl USA: Massachusetts Gosnold: Gosnold E. F. Williams 1911-7-10
NEBC: 00807428 Scirpus pungens Vahl USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-31
NEBC: 00807429 Scirpus pungens Vahl USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-21
NEBC: 00807451 Scirpus pungens Vahl USA: Rhode Island Middletown: Middletown E. F. Williams 1909-7-5
NEBC: 00638746 Scirpus purshianus Fernald USA: Massachusetts Winchester: Winchester, Winter Pond E. F. Williams 1901-10-13
GH: 01161001 Scirpus robustus Pursh USA: Massachusetts Newbury: Newbury E. F. Williams 1898-7-31
NEBC: 00807584 Scirpus smithii A. Gray USA: Massachusetts Westwood: Westwood E. F. Williams 1901-10-6
GH: 00892330 Scirpus sp. USA: Massachusetts Concord: Concord, Sudbury river E. F. Williams 1908-8-16
NEBC: 01161092 Scirpus subterminalis Torrey USA: New Hampshire East Jaffrey E. F. Williams 1901-8-31
GH: 01029454 Scirpus subterminalis Torrey USA: Massachusetts Barnstable Town E. F. Williams 1898-9-4
NEBC: 01029455 Scirpus subterminalis Torrey USA: Massachusetts Barnstable Town E. F. Williams 1898-9-4
GH: 00807619 Scirpus tabernaemontani C. C. Gmelin USA: Maine Mount Desert (Hancock County): Mount Desert E. F. Williams 1897-7-12
GH: 00854083 Scirpus tabernaemontani C. C. Gmelin USA: New Hampshire Dixville: Dixville E. F. Williams 1895-7-27
GH: 00854169 Scirpus tabernaemontani C. C. Gmelin USA: Massachusetts Walpole: Walpole E. F. Williams 1897-9-26
GH: 01161602 Scirpus torreyi Olney USA: New Hampshire Wentworth: Wentworth E. F. Williams 1908-8-1
GH: 00892330 Scirpus validus Vahl USA: Massachusetts Concord: Concord, Sudbury river E. F. Williams 1908-8-16
GH: 00892330 Scirpus validus creber Fernald USA: Massachusetts Concord: Concord, Sudbury river E. F. Williams 1908-8-16
NEBC: 01029218 Scirpus verecundus Fernald USA: Massachusetts Canton: Canton E. F. Williams 1899-5-21
NEBC: 01029219 Scirpus verecundus Fernald USA: Massachusetts Brookline: Brookline E. F. Williams 1896-5-17
NEBC: 01029235 Scirpus verecundus Fernald USA: Massachusetts Woburn: Woburn, Shaker Glen E. F. Williams 1896-5-30
GH: 00714668 Scleria reticularis Michaux USA: Massachusetts Winchester: Winchester, Winter Pond E. F. Williams 1896-10-11
GH: 00775980 Scleria reticularis Michaux USA: Massachusetts Winchester: Winchester, Winter Pond E. F. Williams 1894-9-2
NEBC: 00714674 Scleria reticularis Michaux USA: Massachusetts Winchester: Winchester, Winter Pond E. F. Williams 1896-10-11
GH: 00338963 Stenophyllus capillaris (Linnaeus) Britton USA: Massachusetts Quincy: The Dome, Blue Hills Reservation E. F. Williams 1895-9-2
GH: 00338962 Stenophyllus capillaris (Linnaeus) Britton USA: Massachusetts Boston: Readville [Hyde Park] E. F. Williams 1895-9-8
Dennstaedtiaceae NEBC: 00663002 Dennstaedtia punctilobula (Michaux) T. Moore USA: New Hampshire Warren: Warren E. F. Williams 1907-7-21
NEBC: 00663067 Dennstaedtia punctilobula (Michaux) T. Moore USA: Massachusetts Concord: Concord E. F. Williams 1908-8-15
GH: 00663630 Dennstaedtia punctilobula (Michaux) T. Moore USA: New Hampshire Randolph: Randolph E. F. Williams 1894-7-17
GH: 00663641 Dennstaedtia punctilobula (Michaux) T. Moore USA: Vermont Ripton: Ripton E. F. Williams 1908-7-10
Diapensiaceae NEBC: 00638421 Diapensia lapponica Linnaeus USA: New Hampshire Mount Washington E. F. Williams 1898-6-23
NEBC: 00638423 Diapensia lapponica Linnaeus USA: New Hampshire Mount Washington E. F. Williams 1898-6-24
NEBC: 00638422 Diapensia lapponica Linnaeus USA: New Hampshire Mount Washington E. F. Williams 1898-6-22
NEBC: 00638425 Diapensia lapponica Linnaeus USA: New Hampshire Mount Washington E. F. Williams 1898-6-24
NEBC: 00638431 Diapensia lapponica Linnaeus USA: New Hampshire Mount Washington E. F. Williams 1898-7-12
Dicranaceae FH: 00791990 Dicranum spurium Hedwig USA: Maine Mt. Desert Island: [data not captured] E. F. Williams 1897-7-16
Diphysciaceae NEBC: 00301905 Diphyscium foliosum (Hedwig) D. Mohr USA: Massachusetts Blue Hill Path E. F. Williams 1895-1-13
Ditrichaceae NEBC: 00811224 Ceratodon purpureus (Hedwig) Bridel USA: New Hampshire Top of Mount Washington E. F. Williams 1895-7-10
Droseraceae NEBC: 00741564 Drosera filiformis Rafinesque USA: Massachusetts Plymouth: Plymouth E. F. Williams 1909-8-14
GH: 00741581 Drosera filiformis Rafinesque USA: Massachusetts Barnstable Town E. F. Williams 1896-7-4
NEBC: 00741582 Drosera filiformis Rafinesque USA: Massachusetts Barnstable Town E. F. Williams 1896-7-4
NEBC: 00387685 Drosera intermedia Hayne USA: Massachusetts Milton: Blue Hills Reservation. Houghtons Po... E. F. Williams 1894-8-25
NEBC: 00387686 Drosera intermedia Hayne USA: Massachusetts Norwood: Purgatory Swamp E. F. Williams 1894-8-26
GH: 00741645 Drosera intermedia Hayne USA: Maine Cranberry Isles: Cranberry Isles E. F. Williams 1899-7-20
GH: 00741751 Drosera intermedia Hayne USA: New Hampshire Wentworth: Wentworth E. F. Williams 1910-7-26
GH: 00741752 Drosera intermedia Hayne USA: New Hampshire Wentworth: Wentworth E. F. Williams 1908-7-29
NEBC: 00741892 Drosera intermedia Hayne USA: Massachusetts Gosnold: Gosnold E. F. Williams 1911-7-10
NEBC: 00387685 Drosera intermedia americana (Willdenow) de Candolle USA: Massachusetts Milton: Blue Hills Reservation. Houghtons Po... E. F. Williams 1894-8-25
NEBC: 00387686 Drosera intermedia americana (Willdenow) de Candolle USA: Massachusetts Norwood: Purgatory Swamp E. F. Williams 1894-8-26
NEBC: 00741975 Drosera linearis Goldie USA: Maine Crystal: Crystal E. F. Williams 1901-8-19
NEBC: 00387685 Drosera longifolia Linnaeus USA: Massachusetts Milton: Blue Hills Reservation. Houghtons Po... E. F. Williams 1894-8-25
NEBC: 00387686 Drosera longifolia Linnaeus USA: Massachusetts Norwood: Purgatory Swamp E. F. Williams 1894-8-26
NEBC: 00741980 Drosera rotundifolia Linnaeus USA: Maine Mount Desert Island: Mount Desert Island E. F. Williams 1897-7-16
GH: 00741981 Drosera rotundifolia Linnaeus USA: Maine Mount Desert Island: Mount Desert Island E. F. Williams 1897-7-16
GH: 00754365 Drosera rotundifolia Linnaeus USA: Maine Fort Kent: Fort Kent E. F. Williams 1900-7-16
GH: 00754366 Drosera rotundifolia Linnaeus USA: Maine Crystal: Crystal E. F. Williams 1901-8-19
GH: 00754426 Drosera rotundifolia Linnaeus USA: New Hampshire Mount Washington E. F. Williams 3 1900-7-5
GH: 00754427 Drosera rotundifolia Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 1 1895-7-21
NEBC: 00754562 Drosera rotundifolia Linnaeus USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-23
GH: 00754576 Drosera rotundifolia Linnaeus USA: Massachusetts Ashfield: Ashfield E. F. Williams 1909-8-3
Dryopteridaceae NEBC: 00667216 Dryopteris boottii (Tuckerman) Underwood USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-17
GH: 00667257 Dryopteris boottii (Tuckerman) Underwood USA: Vermont Willoughby E. F. Williams 1896-7-22
NEBC: 00667268 Dryopteris boottii (Tuckerman) Underwood USA: Vermont Willoughby E. F. Williams 1896-7-22
NEBC: 00667371 Dryopteris boottii (Tuckerman) Underwood USA: Massachusetts Holbrook: Holbrook E. F. Williams 1899-7-18
NEBC: 00667375 Dryopteris boottii (Tuckerman) Underwood USA: Massachusetts Norwood: Norwood E. F. Williams 1894-11-4
GH: 00667600 Dryopteris campyloptera (Kunze) Clarkson USA: New Hampshire Mount Washington E. F. Williams 1903-7-23
NEBC: 00667609 Dryopteris campyloptera (Kunze) Clarkson USA: New Hampshire Mount Washington E. F. Williams 1895-7-8
NEBC: 00667623 Dryopteris campyloptera (Kunze) Clarkson USA: New Hampshire Mount Moosilauke E. F. Williams 1908-7-26
NEBC: 00708690 Dryopteris campyloptera (Kunze) Clarkson USA: Vermont Willoughby Mountain E. F. Williams 1896-7-24
NEBC: 00708691 Dryopteris campyloptera (Kunze) Clarkson USA: Vermont Willoughby Mountain E. F. Williams 1896-7-24
GH: 00708761 Dryopteris campyloptera (Kunze) Clarkson USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
NEBC: 00666401 Dryopteris carthusiana (Villars) H. P. Fuchs USA: Rhode Island Portsmouth: Portsmouth E. F. Williams 1911-6-18
NEBC: 00348033 Dryopteris clintoniana (D. C. Eaton) Dowell USA: Massachusetts Middlesex Fells Reserv. E. F. Williams 1895-10-20
GH: 00667899 Dryopteris clintoniana (D. C. Eaton) Dowell USA: Vermont Willoughby E. F. Williams 1896
NEBC: 00671124 Dryopteris cristata (Linnaeus) A. Gray USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-17
NEBC: 00704394 Dryopteris cristata (Linnaeus) A. Gray USA: Massachusetts Lincoln: Lincoln E. F. Williams 1908-8-23
NEBC: 00704411 Dryopteris cristata (Linnaeus) A. Gray USA: Massachusetts Holbrook: Holbrook E. F. Williams 1902-5-30
NEBC: 00704414 Dryopteris cristata (Linnaeus) A. Gray USA: Massachusetts Norwood: Norwood E. F. Williams 1894-11-4
NEBC: 00551204 Dryopteris goldiana (Hooker) A. Gray USA: New Hampshire Alstead: Alstead E. F. Williams 1901-7-27
NEBC: 00551220 Dryopteris goldiana (Hooker) A. Gray USA: Vermont Willoughby E. F. Williams 1894-7-28
GH: 00704764 Dryopteris intermedia (Muhlenberg ex Willdenow) A. Gray USA: New Hampshire Randolph: Randolph E. F. Williams 1894-7-11
GH: 00704784 Dryopteris intermedia (Muhlenberg ex Willdenow) A. Gray USA: New Hampshire Warren: Warren E. F. Williams 1908-7-26
NEBC: 00671941 Dryopteris intermedia (Muhlenberg ex Willdenow) A. Gray USA: New Hampshire Mount Monadnock E. F. Williams 1894-6-17
NEBC: 00671955 Dryopteris intermedia (Muhlenberg ex Willdenow) A. Gray USA: Vermont Willoughby E. F. Williams 1894-7-23
NEBC: 00671958 Dryopteris intermedia (Muhlenberg ex Willdenow) A. Gray USA: Vermont Willoughby E. F. Williams 1894-7-23
GH: 00671981 Dryopteris intermedia (Muhlenberg ex Willdenow) A. Gray USA: Vermont Ripton: Ripton E. F. Williams 1908-7-6
NEBC: 00704939 Dryopteris marginalis (Linnaeus) A. Gray USA: New Hampshire Warren: Warren E. F. Williams 1908-7-23
GH: 00636215 Dryopteris marginalis (Linnaeus) A. Gray USA: Vermont Willoughby E. F. Williams 1894-7-23
NEBC: 00636221 Dryopteris marginalis (Linnaeus) A. Gray USA: Vermont Willoughby E. F. Williams 1894-7-23
GH: 00636243 Dryopteris marginalis (Linnaeus) A. Gray USA: Vermont Hancock: Hancock E. F. Williams 1908-7-18
GH: 00657810 Dryopteris marginalis (Linnaeus) A. Gray USA: Rhode Island Cumberland: Cumberland E. F. Williams 1903-9-13
NEBC: 00671468 Dryopteris slossoniae Wherry ex Lellinger USA: Massachusetts Randolph: Randolph E. F. Williams 1895-12-1
NEBC: 00634299 Dryopteris sp. USA: Vermont Willoughby E. F. Williams 1896-7-22
Dysphaniaceae GH: 00593089 Dysphania ambrosioides (Linnaeus) Mosyakin & Clemants USA: Massachusetts Woburn: Woburn E. F. Williams 1896-10-11
NEBC: 00593090 Dysphania ambrosioides (Linnaeus) Mosyakin & Clemants USA: Massachusetts Woburn: Woburn E. F. Williams 1896-10-11
GH: 00610434 Dysphania ambrosioides (Linnaeus) Mosyakin & Clemants USA: Rhode Island Newport: Newport E. F. Williams 1908-9-12
NEBC: 00610436 Dysphania ambrosioides (Linnaeus) Mosyakin & Clemants USA: Rhode Island Turner E. F. Williams 1903-9-27
NEBC: 00592415 Dysphania ambrosioides (Linnaeus) Mosyakin & Clemants USA: Massachusetts Lynn: Lynn E. F. Williams 1896-9-19
GH: 00592416 Dysphania ambrosioides (Linnaeus) Mosyakin & Clemants USA: Massachusetts Lynn: Lynn E. F. Williams 1896-9-19
GH: 00732261 Dysphania anthelminticum (Linnaeus) Mosyakin & Clemants USA: Massachusetts Lynn: Lynn E. F. Williams 1896-9-19
GH: 00610452 Dysphania botrys (Linnaeus) Mosyakin & Clemants USA: Maine Portland: Portland E. F. Williams 1910-8-3
GH: 00592461 Dysphania botrys (Linnaeus) Mosyakin & Clemants USA: Massachusetts Gloucester: Gloucester E. F. Williams 1897-8-15
GH: 00610474 Dysphania botrys (Linnaeus) Mosyakin & Clemants USA: Massachusetts Plymouth: Plymouth E. F. Williams 1910-9-11
Elaeagnaceae GH: 01576601 Shepherdia canadensis Nuttall Canada: Nova Scotia Cape Breton Island: Port Bevis E. F. Williams 1912-9-10
Elatinaceae NEBC: 00750643 Elatine minima (Nuttall) Fischer ex C. A. Meyer USA: Massachusetts Andover: Andover E. F. Williams 1899-9-24
Equisetaceae NEBC: 00674290 Equisetum arvense Linnaeus USA: Maine Fort Fairfield: Fort Fairfield E. F. Williams 1902-7-19
GH: 00738856 Equisetum arvense Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 1 1897-7-29
NEBC: 00738892 Equisetum arvense Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-7
NEBC: 00738896 Equisetum arvense Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1908-7-22
NEBC: 00738897 Equisetum arvense Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1908-7-23
NEBC: 00738993 Equisetum arvense Linnaeus USA: Vermont Ripton: Ripton E. F. Williams 1908-7-4
NEBC: 00683225 Equisetum arvense Linnaeus USA: Massachusetts Dedham: Dedham E. F. Williams 1895-4-28
NEBC: 00683247 Equisetum arvense Linnaeus USA: Massachusetts Barnstable Town E. F. Williams 1897-4-17
NEBC: 00683282 Equisetum arvense Linnaeus USA: Massachusetts Ashfield: Ashfield E. F. Williams 1909-7-18
NEBC: 00674577 Equisetum fluviatile Linnaeus USA: Massachusetts Boston: Dr. Kennedy's lane to the Neponset r... E. F. Williams 1895-6-9
NEBC: 00683741 Equisetum fluviatile Linnaeus USA: New Hampshire Wentworth: Wentworth E. F. Williams 1908-8-1
NEBC: 00674844 Equisetum fluviatile Linnaeus USA: Vermont Wallingford: Wallingford E. F. Williams 1908-5-25
GH: 00674546 Equisetum fluviatile Linnaeus USA: Massachusetts Westford: Westford E. F. Williams
NEBC: 00282676 Equisetum hyemale Linnaeus USA: Massachusetts Middlesex Fells [Reservation] E. F. Williams 1895-10-20
NEBC: 00282676 Equisetum hyemale affine (Engelmann) A. A. Eaton USA: Massachusetts Middlesex Fells [Reservation] E. F. Williams 1895-10-20
GH: 00683674 Equisetum hyemale affine (Engelmann) A. A. Eaton USA: Maine Fort Fairfield: Fort Fairfield E. F. Williams 1902-7-16
GH: 00674865 Equisetum hyemale affine (Engelmann) A. A. Eaton USA: Maine Camden: Camden E. F. Williams 1902-8-7
GH: 00674881 Equisetum hyemale affine (Engelmann) A. A. Eaton USA: New Hampshire Gorham: Gorham E. F. Williams 820 1903-7-27
NEBC: 00674897 Equisetum hyemale affine (Engelmann) A. A. Eaton USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-7
GH: 00674904 Equisetum hyemale affine (Engelmann) A. A. Eaton USA: New Hampshire Franklin: Franklin E. F. Williams 1896-5-25
NEBC: 00674920 Equisetum hyemale affine (Engelmann) A. A. Eaton USA: New Hampshire Peterborough: Peterborough E. F. Williams 1901-9-2
GH: 00674924 Equisetum hyemale affine (Engelmann) A. A. Eaton USA: New Hampshire Alstead: Alstead E. F. Williams 1 1901-7-27
NEBC: 00674937 Equisetum hyemale affine (Engelmann) A. A. Eaton USA: Vermont Willoughby E. F. Williams 1896-7-25
GH: 00674954 Equisetum hyemale affine (Engelmann) A. A. Eaton USA: Vermont Brandon: Brandon E. F. Williams 1908-5-30
GH: 00674955 Equisetum hyemale affine (Engelmann) A. A. Eaton USA: Vermont Wallingford: Wallingford E. F. Williams 1907-6-18
NEBC: 00674971 Equisetum hyemale affine (Engelmann) A. A. Eaton USA: Vermont Pownal: Pownal E. F. Williams 1901-6-17
GH: 00694321 Equisetum hyemale affine (Engelmann) A. A. Eaton USA: Massachusetts Dedham: Dedham E. F. Williams 1895-4-28
GH: 00694380 Equisetum hyemale affine (Engelmann) A. A. Eaton USA: Rhode Island Middletown: Middletown E. F. Williams 1908-5-30
NEBC: 00706196 Equisetum litorale Kühlewein ex Rupr. (pro sp.) USA: New Hampshire Walpole: Walpole E. F. Williams 1901-7-28
NEBC: 00709261 Equisetum mackaii (Newm.) Brichan USA: Maine Fort Kent: Fort Kent E. F. Williams 1901-8-10
NEBC: 00694715 Equisetum palustre Linnaeus USA: Vermont Willoughby E. F. Williams 1898-6-10
NEBC: 00694730 Equisetum palustre Linnaeus USA: Vermont Norwich: Norwich E. F. Williams 1910-7-11
NEBC: 00706421 Equisetum scirpoides Michaux USA: Vermont Willoughby E. F. Williams 1 1896-7-21
GH: 00706490 Equisetum scirpoides Michaux USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-18
GH: 00706500 Equisetum scirpoides Michaux USA: Massachusetts Colrain: Colrain E. F. Williams 1910-6-18
GH: 00706663 Equisetum sylvaticum Linnaeus USA: New Hampshire Crawford E. F. Williams 1895-7-17
NEBC: 00706759 Equisetum sylvaticum Linnaeus USA: New Hampshire Fitzwilliam: Fitzwilliam E. F. Williams 1898-5-29
GH: 00654094 Equisetum sylvaticum Linnaeus USA: Vermont Ripton: Ripton E. F. Williams 1908-7-3
NEBC: 00654155 Equisetum sylvaticum Linnaeus USA: Massachusetts East Walpole E. F. Williams 1 1898-5-15
GH: 00654171 Equisetum sylvaticum Linnaeus USA: Massachusetts Buckland: Buckland E. F. Williams 1909-7-18
Ericaceae GH: 00443485 Andromeda ligustrina (Linnaeus) Muhlenberg USA: Massachusetts Milton: Hillside St., Blue Hills Reserv. E. F. Williams 1895-6-30
NEBC: 01013461 Andromeda polifolia glaucophylla (Link) de Candolle USA: Massachusetts Chestnut Hill [Boston/Brookline/Newton] E. F. Williams 1895-5-17
NEBC: 01013463 Andromeda polifolia glaucophylla (Link) de Candolle USA: Massachusetts Chestnut Hill [Boston/Brookline/Newton] E. F. Williams 1896-5-17
GH: 01013465 Andromeda polifolia glaucophylla (Link) de Candolle USA: Massachusetts Chestnut Hill [Boston/Brookline/Newton] E. F. Williams 1895-5-17
NEBC: 01013475 Andromeda polifolia glaucophylla (Link) de Candolle USA: Massachusetts Tewksbury: Long Pond, Tewksbury E. F. Williams 1 1899-10-8
A: 01013478 Andromeda polifolia glaucophylla (Link) de Candolle USA: Massachusetts Brookline: Brookline, Lost Pond E. F. Williams 1895-5-17
NEBC: 00707938 Arctostaphylos uva-ursi (Linnaeus) Sprengel USA: Massachusetts Waltham: Waltham E. F. Williams 1898-5-1
NEBC: 00707940 Arctostaphylos uva-ursi (Linnaeus) Sprengel USA: Massachusetts Weston: Weston, Doublet hill E. F. Williams 1897-5-16
NEBC: 00707951 Arctostaphylos uva-ursi (Linnaeus) Sprengel USA: Massachusetts Sharon: Sharon E. F. Williams 1896-7-12
NEBC: 00707955 Arctostaphylos uva-ursi (Linnaeus) Sprengel USA: Massachusetts Sharon: Sharon E. F. Williams 1 1896-7-12
NEBC: 00707956 Arctostaphylos uva-ursi (Linnaeus) Sprengel USA: Massachusetts Osterville: E. F. Williams 2 1896-9-7
NEBC: 00985402 Arctous alpina (Linnaeus) Niedenzu USA: Maine North Basin, Mt. Katahdin E. F. Williams 1900-7-13
NEBC: 00985412 Arctous alpina (Linnaeus) Niedenzu USA: New Hampshire Sargents Purchase: Alpine Garden, Mt. Washin... E. F. Williams 4 1898-6-23
NEBC: 00985413 Arctous alpina (Linnaeus) Niedenzu USA: New Hampshire Cape Horn, Mt. Washington E. F. Williams 1 1896-8-6
NEBC: 00985414 Arctous alpina (Linnaeus) Niedenzu USA: New Hampshire Sargents Purchase: Alpine Garden, Mt. Washin... E. F. Williams 2 1896-8-7
NEBC: 00985415 Arctous alpina (Linnaeus) Niedenzu USA: New Hampshire Beans Purchase: Mt. Clinton [Mt. Pierce], Su... E. F. Williams 3 1895-7-18
NEBC: 00985416 Arctous alpina (Linnaeus) Niedenzu USA: New Hampshire Sargents Purchase: Alpine Garden, Mt. Washin... E. F. Williams 1895-7-10
NEBC: 00985422 Arctous alpina (Linnaeus) Niedenzu USA: New Hampshire Beans Purchase: Alpine summit of Mt. Clinton... E. F. Williams 1895-7-18
NEBC: 00691419 Calluna vulgaris (Linnaeus) Hill USA: Massachusetts Tewksbury: Tewksbury E. F. Williams 1 1899-9-24
NEBC: 00387829 Cassandra calyculata (Linnaeus) D. Don USA: Massachusetts Milton: edge of Houghtons pond, Blue Hills R... E. F. Williams 1896-4-26
NEBC: 00387827 Chamaedaphne calyculata (Linnaeus) Moench USA: Massachusetts Barnstable: edge Wequaoket [Wequaquet] pond ... E. F. Williams 1896-4-19
NEBC: 00387828 Chamaedaphne calyculata (Linnaeus) Moench USA: Massachusetts Milton: edge of Houghtons pond, Blue Hills R... E. F. Williams 1896-4-26
NEBC: 00387829 Chamaedaphne calyculata (Linnaeus) Moench USA: Massachusetts Milton: edge of Houghtons pond, Blue Hills R... E. F. Williams 1896-4-26
NEBC: 01068740 Chamaedaphne calyculata (Linnaeus) Moench USA: Massachusetts Chestnut Hill [Boston/Brookline/Newton] E. F. Williams 1895-5-30
NEBC: 01078311 Chimaphila maculata (Linnaeus) Pursh USA: Massachusetts Weston: Weston, near Doublet Hill E. F. Williams 1894-10-14
GH: 01562069 Chimaphila maculata (Linnaeus) Pursh USA: New Jersey Locust E. F. Williams 1903-7-3
GH: 01562228 Chimaphila umbellata cisatlantica S. F. Blake Canada: New Brunswick St. Francis Parish E. F. Williams 1 1900-7-29
GH: 01562288 Chimaphila umbellata cisatlantica S. F. Blake USA: New Jersey Locust E. F. Williams 1 1903-7-3
GH: 00726206 Empetrum eamesii atropurpureum (Fernald & Wiegand) D. Löve USA: Maine Mount Katahdin E. F. Williams 1 1900-7-11
GH: 00726239 Empetrum nigrum Linnaeus USA: Maine Mount Desert (Hancock County): Mount Desert E. F. Williams 1897-7-16
NEBC: 00726246 Empetrum nigrum Linnaeus USA: Maine Mount Desert (Hancock County): Mount Desert E. F. Williams 1893-9-4
NEBC: 00726254 Empetrum nigrum Linnaeus USA: Maine Mount Desert (Hancock County): Mount Desert E. F. Williams 1897-7-16
NEBC: 00726288 Empetrum nigrum Linnaeus USA: New Hampshire Mount Washington E. F. Williams 1896-8-7
NEBC: 00726290 Empetrum nigrum Linnaeus USA: New Hampshire Mount Washington E. F. Williams 1 1898-6-23
NEBC: 00726292 Empetrum nigrum Linnaeus USA: New Hampshire Mount Washington E. F. Williams 1893-7-8
GH: 00726296 Empetrum nigrum Linnaeus USA: New Hampshire Franconia: Franconia E. F. Williams 1894-8-4
NEBC: 00726307 Empetrum nigrum Linnaeus USA: Vermont Mount Mansfield E. F. Williams 1897-7-7
GH: 00517947 Epigaea repens Linnaeus USA: Massachusetts Lenox: Lenox E. F. Williams 1910-4-10
GH: 00517672 Epigaea repens Linnaeus USA: Maine Mt. Agamenticus E. F. Williams 1903-7-17
NEBC: 00517684 Epigaea repens Linnaeus USA: New Hampshire Crawford E. F. Williams 1895-7-17
GH: 00517783 Epigaea repens Linnaeus USA: Vermont Willoughby E. F. Williams 1896-7-22
GH: 00517913 Epigaea repens Linnaeus USA: Massachusetts Ashfield: Ashfield E. F. Williams 1907-7-9
NEBC: 00518858 Eubotrys racemosa (Linnaeus) Nuttall USA: Massachusetts Blue Hills Reservn. E. F. Williams 1895-6-9
GH: 00448154 Gaultheria procumbens Linnaeus USA: New Hampshire Mt. Madison: Mt. Madison E. F. Williams 1895-7-23
GH: 00448155 Gaultheria procumbens Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 1896-8-14
GH: 00448089 Gaultheria procumbens Linnaeus USA: Maine Grafton Notch E. F. Williams 1895-7-16
GH: 00448236 Gaultheria procumbens Linnaeus USA: Vermont Brandon: Brandon E. F. Williams 1908-5-21
GH: 00448225 Gaultheria procumbens Linnaeus USA: Vermont Salisbury: Salisbury E. F. Williams 1908-7-14
NEBC: 00447927 Gaultheria procumbens Linnaeus USA: Massachusetts Canton: Canton E. F. Williams 1895-12-1
NEBC: 00461108 Gaylussacia baccata (Wangenheim) K. Koch USA: New Hampshire Seabrook: Seabrook E. F. Williams 1 1898-8-7
NEBC: 00461107 Gaylussacia baccata (Wangenheim) K. Koch USA: New Hampshire Jaffrey: Jaffrey E. F. Williams 1899-5-29
GH: 00461168 Gaylussacia baccata (Wangenheim) K. Koch USA: Vermont Salisbury: Salisbury E. F. Williams 1908-7-14
NEBC: 00461229 Gaylussacia baccata (Wangenheim) K. Koch USA: Massachusetts Dedham: Dedham E. F. Williams 1896-5-24
NEBC: 00312196 Gaylussacia bigeloviana (Fernald) Sorrie & Weakley USA: Massachusetts Boston: Stony Brook Reserv. [Reservation] ed... E. F. Williams 1896-8-23
NEBC: 00312328 Gaylussacia bigeloviana (Fernald) Sorrie & Weakley USA: Massachusetts Boston: Muddy [Turtle] Pond, W. Roxbury [Sto... E. F. Williams 1897-6-26
GH: 00312331 Gaylussacia bigeloviana (Fernald) Sorrie & Weakley USA: Massachusetts Boston: Muddy [Turtle] Pond, Stony Brook Res... E. F. Williams 1896-8-23
NEBC: 00312332 Gaylussacia bigeloviana (Fernald) Sorrie & Weakley USA: Massachusetts Boston: Sphagnum around Muddy [Turtle] Pond,... E. F. Williams 1897-6-26
GH: 00443469 Gaylussacia bigeloviana (Fernald) Sorrie & Weakley USA: Massachusetts Boston: muddy [Turtle] pond, Stony Brook Res... E. F. Williams 1897-6-26
GH: 00443469 Gaylussacia dumosa (Andrews) Torrey & A. Gray USA: Massachusetts Boston: muddy [Turtle] pond, Stony Brook Res... E. F. Williams 1897-6-26
NEBC: 00312196 Gaylussacia dumosa bigeloviana Fernald USA: Massachusetts Boston: Stony Brook Reserv. [Reservation] ed... E. F. Williams 1896-8-23
GH: 00443368 Gaylussacia frondosa (Linnaeus) Torrey & A. Gray USA: Massachusetts Quincy: Blue Hills Reservation, near Sawcut ... E. F. Williams 1895-9-2
NEBC: 00726354 Harrimanella hypnoides (Linnaeus) Coville USA: New Hampshire Thompson and Meserves E. F. Williams 1898-6-27
GH: 00484607 Kalmia angustifolia Linnaeus USA: New Hampshire Echo Lake E. F. Williams 1908-8-7
GH: 00484668 Kalmia angustifolia Linnaeus USA: Vermont Ripton: Ripton E. F. Williams 1908-7-4
NEBC: 00484687 Kalmia angustifolia Linnaeus USA: Massachusetts Essex: Essex E. F. Williams 1896-6-13
NEBC: 00484762 Kalmia angustifolia Linnaeus USA: Massachusetts Centreville E. F. Williams 1895-6-16
GH: 00484785 Kalmia angustifolia Linnaeus USA: Massachusetts Centreville E. F. Williams 1895-6-17
GH: 00484860 Kalmia angustifolia Linnaeus USA: Rhode Island Wickford E. F. Williams 1908-6-17
NEBC: 00484525 Kalmia angustifolia Linnaeus USA: Maine Lincoln: Mt. Aziscoos [Aziscohos] E. F. Williams 1903-7-31
GH: 01593931 Kalmia latifolia Linnaeus USA: New Jersey Locust E. F. Williams 1 1900-6-16
NEBC: 00518858 Leucothoë racemosa (Linnaeus) A. Gray USA: Massachusetts Blue Hills Reservn. E. F. Williams 1895-6-9
GH: 00443485 Lyonia ligustrina (Linnaeus) de Candolle USA: Massachusetts Milton: Hillside St., Blue Hills Reserv. E. F. Williams 1895-6-30
GH: 01718338 Lyonia mariana (Linnaeus) D. Don USA: New Jersey [data not captured] E. F. Williams 3 1900-6-17
GH: 01718920 Moneses uniflora (Linnaeus) A. Gray Canada: New Brunswick south of Grand Falls E. F. Williams 1901-8-14
GH: 01718969 Moneses uniflora (Linnaeus) A. Gray Canada: Nova Scotia Cape Breton Island: Baddeck E. F. Williams 1912-9-7
GH: 00553752 Monotropa uniflora Linnaeus USA: Maine Mount Desert Island E. F. Williams 1899-7-25
GH: 00553753 Monotropa uniflora Linnaeus USA: Maine Hamlin: Hamlin E. F. Williams 1901-8-14
GH: 00553816 Monotropa uniflora Linnaeus USA: Maine Dixville Notch E. F. Williams 1895-7-27
GH: 00553827 Monotropa uniflora Linnaeus USA: Maine Crawford: Crawford E. F. Williams 1 1895-7-17
GH: 00553846 Monotropa uniflora Linnaeus USA: New Hampshire Hampton: Hampton E. F. Williams 1902-8-31
GH: 00553826 Monotropa uniflora Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 1895-7-22
GH: 00553778 Monotropa uniflora Linnaeus USA: Massachusetts Manchester-by-the-Sea E. F. Williams 1895-8-19
GH: 00553922 Monotropa uniflora Linnaeus USA: Rhode Island Cumberland: Cumberland E. F. Williams 1903-9-13
NEBC: 00553890 Monotropa uniflora Linnaeus USA: Massachusetts Naushon Island: E. F. Williams 1911-7-10
GH: 01069982 Orthilia secunda (Linnaeus) House USA: Massachusetts Bedford: Bedford E. F. Williams 1907-8-25
NEBC: 00717315 Phyllodoce caerulea (Linnaeus) Babington USA: Maine Mount Katahdin E. F. Williams 1 1900-7-11
NEBC: 00717348 Phyllodoce coerulea (Linnaeus) Babington USA: New Hampshire Mount Washington E. F. Williams 1895-7-10
NEBC: 00717365 Phyllodoce coerulea (Linnaeus) Babington USA: New Hampshire Mount Washington E. F. Williams 1893-7-12
GH: 01683760 Pyrola americana Sweet USA: New Jersey [data not captured] E. F. Williams 1 1903-7-3
GH: 00061375 Pyrola chlorantha Swartz USA: New Hampshire Atwell Hill, Piermont E. F. Williams 1910-7-26
GH: 00563717 Pyrola chlorantha Swartz USA: New Hampshire Randolph: Randolph E. F. Williams 1 1893-7-24
GH: 00563716 Pyrola chlorantha Swartz USA: New Hampshire Randolph: Randolph E. F. Williams 2 1896-7-15
GH: 00563738 Pyrola chlorantha Swartz USA: New Hampshire Warren: Warren E. F. Williams 1907-7-21
NEBC: 00563824 Pyrola chlorantha Swartz USA: Massachusetts Norwood: Norwood E. F. Williams 1895-6-23
NEBC: 00563825 Pyrola chlorantha Swartz USA: Massachusetts Norwood: Norwood E. F. Williams 1896-6-21
NEBC: 00563826 Pyrola chlorantha Swartz USA: Massachusetts Norwood: Norwood E. F. Williams 1894-8-26
NEBC: 00563859 Pyrola chlorantha Swartz USA: Massachusetts Ashfield: Ashfield E. F. Williams 1907-7-9
GH: 00563806 Pyrola chlorantha Swartz USA: Massachusetts Tewksbury: E. F. Williams 1902-6-7
GH: 01761182 Pyrola chlorantha Swartz USA: Vermont Willoughby: [no additional data] E. F. Williams 1896-7-21
GH: 00061375 Pyrola chlorantha paucifolia Fernald USA: New Hampshire Atwell Hill, Piermont E. F. Williams 1910-7-26
GH: 01761272 Pyrola elliptica Nuttall Canada: New Brunswick [data not captured] E. F. Williams 1 1900-7-29
GH: 00717380 Pyrola minor Linnaeus USA: Maine Van Buren: Van Buren E. F. Williams 1901-8-13
GH: 00717383 Pyrola minor Linnaeus USA: Maine Mount Katahdin E. F. Williams 2 1900-7-16
GH: 00717381 Pyrola minor Linnaeus USA: Maine Allagash: Allagash E. F. Williams 3 1900-7-20
GH: 00717382 Pyrola minor Linnaeus USA: Maine Mount Katahdin E. F. Williams 1 1900-7-11
NEBC: 00717421 Pyrola minor Linnaeus USA: New Hampshire Mount Washington E. F. Williams 1 1895-7-11
NEBC: 01075161 Rhododendron canadense (Linnaeus) Torrey USA: Massachusetts Chestnut Hill [Boston/Brookline/Newton] E. F. Williams 1896-5-17
NEBC: 01073846 Rhododendron canadense (Linnaeus) Torrey USA: Massachusetts Wilmington: Wilmington E. F. Williams 1899-5-14
NEBC: 00714121 Rhododendron lapponicum (Linnaeus) Wahlenberg USA: New Hampshire Mount Washington E. F. Williams 3 1897-8-7
NEBC: 00717562 Rhododendron lapponicum (Linnaeus) Wahlenberg USA: New Hampshire Mount Washington E. F. Williams 1 1896-8-6
NEBC: 00714123 Rhododendron lapponicum (Linnaeus) Wahlenberg USA: New Hampshire Mount Washington E. F. Williams 2 1896-8-9
NEBC: 00714158 Rhododendron lapponicum (Linnaeus) Wahlenberg USA: New Hampshire Mount Washington E. F. Williams 1898-6-22
NEBC: 00387901 Rhododendron viscosum (Linnaeus) Torrey USA: Massachusetts Milton: Blue Hills Reservation, near Randolp... E. F. Williams 1895-6-30
GH: 00443484 Rhododendron viscosum (Linnaeus) Torrey USA: Massachusetts Blue Hills Reservation, on Hunt Farm brook E. F. Williams 1895-6-30
GH: 00770639 Rhododendron viscosum (Linnaeus) Torrey USA: Massachusetts Sharon: Sharon E. F. Williams 1896-6-17
NEBC: 00770640 Rhododendron viscosum (Linnaeus) Torrey USA: Massachusetts Sharon: Sharon E. F. Williams 1896-6-17
NEBC: 00770679 Rhododendron viscosum (Linnaeus) Torrey USA: Massachusetts Plymouth: Plymouth E. F. Williams 1898-8-21
GH: 00770686 Rhododendron viscosum (Linnaeus) Torrey USA: Massachusetts Barnstable Town E. F. Williams 3 1896-7-5
NEBC: 00770703 Rhododendron viscosum (Linnaeus) Torrey USA: Massachusetts Falmouth: Falmouth E. F. Williams 1911-7-12
NEBC: 00770731 Rhododendron viscosum (Linnaeus) Torrey USA: Massachusetts Gosnold: Gosnold E. F. Williams 1911-7-10
GH: 00770906 Rhododendron viscosum (Linnaeus) Torrey USA: Rhode Island North Kingstown: North Kingstown E. F. Williams 1908-6-17
GH: 00770452 Rhododendron viscosum (Linnaeus) Torrey USA: Massachusetts Georgetown: Georgetown E. F. Williams 1906-7-14
GH: 00770496 Rhododendron viscosum (Linnaeus) Torrey USA: Massachusetts Tewksbury: Round Pond, Tewksbury E. F. Williams 1 1899-10-8
GH: 00770515 Rhododendron viscosum (Linnaeus) Torrey USA: Massachusetts Canton: Canton E. F. Williams 1 1896-4-5
GH: 00717566 Rhododendron viscosum (Linnaeus) Torrey USA: Massachusetts Sharon: Sharon E. F. Williams 2 1896-6-17
GH: 00461694 Vaccinium angustifolium Aiton USA: New Hampshire Mt. Moosilauke: Summit of Mt. Moosilauke E. F. Williams 1907-7-19
NEBC: 00461793 Vaccinium angustifolium Aiton USA: Vermont Mount Mansfield: Mt. Mansfield E. F. Williams 1897-7-3
GH: 00461821 Vaccinium angustifolium Aiton USA: Vermont Rutland: Rutland E. F. Williams 1897-5-30
GH: 00463040 Vaccinium angustifolium Aiton USA: Massachusetts Mt. Greylock E. F. Williams 1901-6-16
GH: 00461521 Vaccinium angustifolium Aiton USA: Maine Bar Harbor: Bubble Pond E. F. Williams 1 1899-7-25
NEBC: 00461525 Vaccinium angustifolium Aiton USA: Maine Mount Desert Island: Pearce's Head E. F. Williams 1897-7-12
NEBC: 00461634 Vaccinium angustifolium Aiton USA: New Hampshire Mt. Washington: Mt. Washington E. F. Williams 1895-7-8
NEBC: 00461636 Vaccinium angustifolium Aiton USA: New Hampshire Mt. Washington: Mt. Washington E. F. Williams 1896-8-6
NEBC: 00461635 Vaccinium angustifolium Aiton USA: New Hampshire Mt. Washington: Mt. Washington E. F. Williams 1896-8-6
GH: 00461655 Vaccinium angustifolium Aiton USA: New Hampshire Mt. Washington: Mt. Washington E. F. Williams 1901-8-6
NEBC: 00519366 Vaccinium corymbosum Linnaeus USA: New Hampshire Jaffrey: Jaffrey E. F. Williams 1 1899-5-29
NEBC: 00519419 Vaccinium corymbosum Linnaeus USA: Massachusetts Georgetown: Georgetown E. F. Williams 1906-7-19
GH: 00519420 Vaccinium corymbosum Linnaeus USA: Massachusetts Georgetown: Georgetown E. F. Williams 1906-7-19
NEBC: 00519509 Vaccinium corymbosum Linnaeus USA: Massachusetts Chestnut Hill E. F. Williams 1895-5-30
NEBC: 00519459 Vaccinium corymbosum Linnaeus USA: Massachusetts Newton: Newton, near Hammond Pond Chestnut H... E. F. Williams 1896-5-14
NEBC: 00519494 Vaccinium corymbosum Linnaeus USA: Massachusetts Winchester: Winchester, Edge, Winter Pond E. F. Williams 1897-5-9
GH: 00519547 Vaccinium corymbosum Linnaeus USA: Massachusetts Sharon: Sharon E. F. Williams 1 1899-9-10
NEBC: 00519628 Vaccinium corymbosum Linnaeus USA: Massachusetts Falmouth: Falmouth E. F. Williams 1911-7-6
GH: 00519629 Vaccinium corymbosum Linnaeus USA: Massachusetts Falmouth: Falmouth E. F. Williams 1911-7-6
GH: 00519835 Vaccinium corymbosum Linnaeus USA: Rhode Island Cumberland: Cumberland E. F. Williams 1904-5-15
GH: 00519836 Vaccinium corymbosum Linnaeus USA: Rhode Island Cumberland: Cumberland E. F. Williams 1904-5-15
NEBC: 00387916 Vaccinium pallidum Aiton USA: Massachusetts Blue Hills [Reservation] E. F. Williams 1895-8-11
NEBC: 00517032 Vaccinium pallidum Aiton USA: Massachusetts Manchester: Manchester E. F. Williams 1895-8-18
NEBC: 00517051 Vaccinium pallidum Aiton USA: Massachusetts Lincoln: Lexington, Mt. Tabor [Mt.Tabor is i... E. F. Williams 1897-6-6
GH: 00517179 Vaccinium pallidum Aiton USA: Rhode Island Cumberland: Cumberland E. F. Williams 1904-5-29
GH: 00638130 Vaccinium uliginosum Linnaeus USA: Maine Mount Katahdin E. F. Williams 1900-7-11
GH: 00714340 Vaccinium uliginosum Linnaeus USA: New Hampshire Mount Washington E. F. Williams 1 1893-7-8
NEBC: 00714367 Vaccinium uliginosum Linnaeus USA: New Hampshire Mount Washington E. F. Williams 1893-7-12
NEBC: 00714374 Vaccinium uliginosum Linnaeus USA: New Hampshire Mount Washington E. F. Williams 1 1895-7-7
NEBC: 00717881 Vaccinium uliginosum Linnaeus USA: Vermont Underhill: Underhill E. F. Williams 1897-7-2
GH: 00717885 Vaccinium uliginosum Linnaeus USA: Vermont Mount Mansfield E. F. Williams 1897-7-3
GH: 00717886 Vaccinium uliginosum Linnaeus USA: Vermont Mount Washington E. F. Williams 1896-8-9
NEBC: 00387916 Vaccinium vacillans Kalm ex Torrey USA: Massachusetts Blue Hills [Reservation] E. F. Williams 1895-8-11
GH: 00638190 Vaccinium vitis-idaea minus Loddiges USA: Maine Mount Katahdin E. F. Williams 1 1900-7-11
NEBC: 00638285 Vaccinium vitis-idaea minus Loddiges USA: New Hampshire Mount Washington E. F. Williams 1 1898-6-24
NEBC: 00638320 Vaccinium vitis-idaea minus Loddiges USA: New Hampshire Franconia: Franconia E. F. Williams 3 1894-8-5
GH: 00638322 Vaccinium vitis-idaea minus Loddiges USA: New Hampshire Benton: Benton E. F. Williams 1 1907-7-19
NEBC: 00638330 Vaccinium vitis-idaea minus Loddiges USA: New Hampshire Mount Washington E. F. Williams 1 1893-6-18
NEBC: 00638329 Vaccinium vitis-idaea minus Loddiges USA: New Hampshire Jaffrey: Jaffrey E. F. Williams 2 1893-6-18
NEBC: 00638356 Vaccinium vitis-idaea minus Loddiges USA: Vermont Underhill: Underhill E. F. Williams 1897-7-4
Eriocaulaceae GH: 00853119 Eriocaulon aquaticum (Hill) Druce USA: Maine Magalloway E. F. Williams 1903-8-1
NEBC: 00853171 Eriocaulon aquaticum (Hill) Druce USA: New Hampshire Crawford E. F. Williams 1895-7-17
NEBC: 00855307 Eriocaulon aquaticum (Hill) Druce USA: Massachusetts Sharon: Sharon E. F. Williams 1897-10-17
Euphorbiaceae NEBC: 01078191 Acalypha gracilens A. Gray USA: New Hampshire Hampton Falls: Hampton Falls E. F. Williams 1 1901-9-22
NEBC: 01078208 Acalypha gracilens A. Gray USA: Massachusetts Winchester: Winchester, Winter Pond E. F. Williams 2 1901-10-13
NEBC: 01078209 Acalypha gracilens A. Gray USA: Massachusetts Boston: Hyde Park, Readville E. F. Williams 1 1900-9-23
GH: 01078223 Acalypha gracilens A. Gray USA: Massachusetts Franklin: Franklin E. F. Williams 1901-10-3
GH: 01078224 Acalypha gracilens A. Gray USA: Massachusetts Bourne: Bourne E. F. Williams 2 1901-9-15
NEBC: 01078644 Acalypha rhomboidea Rafinesque USA: New Hampshire Hampton Falls: Hampton Falls E. F. Williams 1 1901-9-22
NEBC: 01069350 Acalypha rhomboidea Rafinesque USA: Massachusetts Concord: Concord E. F. Williams 1898-10-9
NEBC: 01069455 Acalypha virginica Linnaeus USA: Massachusetts Weston: Weston, Doublet hill E. F. Williams 1895-9-29
NEBC: 01069458 Acalypha virginica Linnaeus USA: Massachusetts Woburn: Woburn E. F. Williams 1895-9-1
GH: 00699006 Chamaesyce maculata Gray USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-14
GH: 00699031 Chamaesyce maculata Gray USA: Vermont Vergennes: Vergennes E. F. Williams 1908-7-21
NEBC: 00699067 Chamaesyce maculata Gray USA: Massachusetts Boston: Hyde Park, Readville E. F. Williams 1895-9-8
GH: 00712757 Chamaesyce polygonifolia (Linnaeus) Small USA: Maine Rye E. F. Williams 1901-9-19
NEBC: 00712758 Chamaesyce polygonifolia (Linnaeus) Small USA: Maine Rye E. F. Williams 1901-9-19
NEBC: 00712764 Chamaesyce polygonifolia (Linnaeus) Small USA: Massachusetts Rockport: Rockport E. F. Williams 1898-8-14
NEBC: 00712769 Chamaesyce polygonifolia (Linnaeus) Small USA: Massachusetts Revere: Revere E. F. Williams 1896-8-22
GH: 00712773 Chamaesyce polygonifolia (Linnaeus) Small USA: Massachusetts Revere: Revere E. F. Williams 1896-8-22
GH: 00699175 Chamaesyce polygonifolia (Linnaeus) Small USA: Rhode Island Middletown: Middletown E. F. Williams 1908-9-13
NEBC: 00580123 Euphorbia cyparissias Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-25
GH: 00580127 Euphorbia cyparissias Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-25
GH: 00578073 Euphorbia cyparissias Linnaeus USA: Vermont Middlebury: Middlebury E. F. Williams 1908-5-27
NEBC: 00578110 Euphorbia cyparissias Linnaeus USA: Massachusetts Dedham: Dedham E. F. Williams 1895-5-19
GH: 00578209 Euphorbia cyparissias Linnaeus USA: Rhode Island Wickford E. F. Williams 1908-6-17
NEBC: 00580170 Euphorbia esula Linnaeus USA: Massachusetts Newburyport: Newburyport E. F. Williams 1898-7-31
GH: 00643068 Ricinus communis Linnaeus USA: Massachusetts Dedham: Dedham E. F. Williams 1898-10-2
NEBC: 00643072 Ricinus communis Linnaeus USA: Massachusetts Dedham: Dedham E. F. Williams 1897-8-22
GH: 00643073 Ricinus communis Linnaeus USA: Massachusetts Dedham: Dedham E. F. Williams 1898-10-2
Fabaceae GH: 00580226 Amorpha fruticosa Linnaeus USA: Massachusetts Boston: Boston, Back Bay E. F. Williams 1910-9-17
GH: 00580238 Amorpha fruticosa Linnaeus USA: Massachusetts Ashfield: Ashfield E. F. Williams 1907-7-6
NEBC: 00423508 Amphicarpaea bracteata (Linnaeus) Fernald USA: Massachusetts Boston: Stony Brook Reservation [Hyde Park/W... E. F. Williams 1897-5-16
GH: 00562244 Amphicarpaea bracteata (Linnaeus) Fernald USA: New Hampshire Wentworth: Wentworth E. F. Williams 1908-7-24
GH: 00562273 Amphicarpaea bracteata (Linnaeus) Fernald USA: Vermont East Middlebury E. F. Williams 1908-7-14
NEBC: 00562304 Amphicarpaea bracteata (Linnaeus) Fernald USA: Massachusetts Lincoln: Lincoln E. F. Williams 1898-8-28
GH: 00562307 Amphicarpaea bracteata (Linnaeus) Fernald USA: Massachusetts Chestnut Hill [Boston/Brookline/Newton] E. F. Williams 1895-5-30
GH: 00562326 Amphicarpaea bracteata (Linnaeus) Fernald USA: Massachusetts Dover: Dover E. F. Williams 1898-9-18
GH: 00562431 Amphicarpaea bracteata comosa (Linnaeus) Fernald USA: Vermont Norwich: Norwich E. F. Williams 1910-7-12
NEBC: 00562445 Amphicarpaea bracteata comosa (Linnaeus) Fernald USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2
NEBC: 00423508 Amphicarpaea monoica Nuttall USA: Massachusetts Boston: Stony Brook Reservation [Hyde Park/W... E. F. Williams 1897-5-16
NEBC: 00879585 Anthyllis vulneraria Linnaeus USA: Connecticut Cromwell: Cromwell E. F. Williams 1910
GH: 00747440 Apios americana Medikus USA: Vermont Salisbury: Salisbury E. F. Williams 1908-7-14
NEBC: 00747450 Apios americana Medikus USA: Massachusetts Boxford: Boxford E. F. Williams 1906-8-16
NEBC: 00747413 Apios americana Medikus USA: Massachusetts Revere: Revere E. F. Williams 1896-8-30
GH: 00747416 Apios americana Medikus USA: Massachusetts Revere: Revere E. F. Williams 1896-8-30
NEBC: 00747420 Apios americana Medikus USA: Massachusetts Dedham: Dedham E. F. Williams 1894-8-29
GH: 00747492 Apios americana Medikus USA: Massachusetts Bourne: Bourne E. F. Williams 1898-8-21
GH: 02067100 Apios americana Medikus USA: New Jersey Locust [Middleton Township] E. F. Williams 1900-9-2
NEBC: 00712354 Astragalus alpinus brunetianus Fernald USA: Maine St. Francis E. F. Williams 1900-7-30
GH: 00700956 Astragalus robbinsii minor (Hooker) Barneby USA: Vermont Cambridge: Cambridge E. F. Williams 1894-7-25
NEBC: 00700991 Astragalus robbinsii minor (Hooker) Barneby USA: Vermont Cambridge: Cambridge E. F. Williams 1897-7-5
NEBC: 00747576 Baptisia tinctoria (Linnaeus) Ventenat USA: Massachusetts Groveland: Groveland E. F. Williams 1906-8-9
GH: 00747592 Baptisia tinctoria (Linnaeus) Ventenat USA: Massachusetts Framingham: Framingham, Nobscot hill E. F. Williams 1901-1-7
NEBC: 00747631 Baptisia tinctoria (Linnaeus) Ventenat USA: Massachusetts Barnstable Town E. F. Williams 1896-7-4
GH: 00747689 Baptisia tinctoria (Linnaeus) Ventenat USA: Rhode Island North Kingstown: North Kingstown E. F. Williams 1908-8-28
GH: 00534854 Coronilla varia Linnaeus USA: Massachusetts Boston: Boston, near the Fens E. F. Williams 1903-8-12
GH: 00534880 Coronilla varia Linnaeus USA: Massachusetts Buckland: Buckland E. F. Williams 1909-7-18
NEBC: 00747721 Crotalaria sagittalis Linnaeus USA: Massachusetts Concord: Concord E. F. Williams 1902-9-21
GH: 00747722 Crotalaria sagittalis Linnaeus USA: Massachusetts Concord: Concord E. F. Williams 1902-9-21
GH: 00747728 Crotalaria sagittalis Linnaeus USA: Massachusetts Winchester: Winchester, Round Pond E. F. Williams 2 1895-5-12
GH: 00747729 Crotalaria sagittalis Linnaeus USA: Massachusetts Winchester: Winchester, Round Pond E. F. Williams 1 1894-9-2
GH: 00747738 Crotalaria sagittalis Linnaeus USA: Massachusetts Boston: Hyde Park, near Hazelwood Av East of... E. F. Williams 1909-8-3
NEBC: 00747741 Crotalaria sagittalis Linnaeus USA: Massachusetts Boston: Hyde Park E. F. Williams 1909-8-3
NEBC: 00747749 Crotalaria sagittalis Linnaeus USA: Massachusetts Barnstable Town E. F. Williams 1896-9-6
NEBC: 00578259 Cytisus scoparius (Linnaeus) Link USA: Massachusetts Cotuit E. F. Williams 1895-6-16
NEBC: 00578260 Cytisus scoparius (Linnaeus) Link USA: Massachusetts Barnstable Town E. F. Williams 1895-6-16
GH: 00578261 Cytisus scoparius (Linnaeus) Link USA: Massachusetts Barnstable Town E. F. Williams 1895-6-16
NEBC: 00578276 Cytisus scoparius (Linnaeus) Link USA: Massachusetts Falmouth: Falmouth E. F. Williams 1911-7-7
NEBC: 00423564 Desmodium bracteosum (Michaux) de Candolle USA: Massachusetts Boston: Stony Brook Reservation [Hyde Park/W... E. F. Williams 1896-9-13
NEBC: 00423565 Desmodium bracteosum (Michaux) de Candolle USA: Massachusetts Boston: Stony Brook Reservation [Hyde Park/W... E. F. Williams 1896-9-13
GH: 00443492 Desmodium bracteosum (Michaux) de Candolle USA: Massachusetts Boston: Stony Brook Reserv. [Hyde Park/West ... E. F. Williams 1896-9-13
GH: 00423545 Desmodium canadense (Linnaeus) de Candolle USA: Massachusetts Quincy: E. slope Rattlesnake Hill, Blue Hill... E. F. Williams 1895-8-25
GH: 00747806 Desmodium canadense (Linnaeus) de Candolle USA: Maine Fort Kent: Fort Kent E. F. Williams 2 1900-8-1
GH: 00747807 Desmodium canadense (Linnaeus) de Candolle USA: Maine Cumberland: Cumberland E. F. Williams 1 1900-7-28
GH: 00747875 Desmodium canadense (Linnaeus) de Candolle USA: New Hampshire Lebanon: Lebanon E. F. Williams 1893-7-19
GH: 00747899 Desmodium canadense (Linnaeus) de Candolle USA: New Hampshire Hampton: Hampton E. F. Williams 1902-8-31
GH: 00747908 Desmodium canadense (Linnaeus) de Candolle USA: New Hampshire Walpole: Walpole E. F. Williams 1901-7-28
GH: 00747923 Desmodium canadense (Linnaeus) de Candolle USA: Vermont Clarendon: Clarendon E. F. Williams 1907-7-27
NEBC: 00747966 Desmodium canadense (Linnaeus) de Candolle USA: Massachusetts Winchester: Winchester, Horn Pond Mt. E. F. Williams 1897-8-21
GH: 00747970 Desmodium canadense (Linnaeus) de Candolle USA: Massachusetts Boston: Boston, Boylston & Exeter Sts. E. F. Williams 1897-7-19
GH: 00747980 Desmodium canadense (Linnaeus) de Candolle USA: Massachusetts North Scituate E. F. Williams 1899-7-22
NEBC: 00423548 Desmodium ciliare (Muhlenberg ex Willdenow) de Candolle USA: Massachusetts Milton: Hill Side St. Blue Hill [Blue Hills ... E. F. Williams 1894-8-25
GH: 00423575 Desmodium ciliare (Muhlenberg ex Willdenow) de Candolle USA: Massachusetts Blue Hills Reserv. E. F. Williams 1897-9-4
NEBC: 00739073 Desmodium ciliare (Muhlenberg ex Willdenow) de Candolle USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-22
NEBC: 00423564 Desmodium cuspidatum (Muhlenberg ex Willdenow) de Candolle ex G. Don USA: Massachusetts Boston: Stony Brook Reservation [Hyde Park/W... E. F. Williams 1896-9-13
NEBC: 00423565 Desmodium cuspidatum (Muhlenberg ex Willdenow) de Candolle ex G. Don USA: Massachusetts Boston: Stony Brook Reservation [Hyde Park/W... E. F. Williams 1896-9-13
GH: 00443492 Desmodium cuspidatum (Muhlenberg ex Willdenow) de Candolle ex G. Don USA: Massachusetts Boston: Stony Brook Reserv. [Hyde Park/West ... E. F. Williams 1896-9-13
GH: 00639109 Desmodium glutinosum (Muhlenberg ex Willdenow) Alph. Wood USA: New Hampshire Wentworth: Wentworth E. F. Williams 1908-7-29
GH: 00654398 Desmodium glutinosum (Muhlenberg ex Willdenow) Alph. Wood USA: Vermont Salisbury: Salisbury E. F. Williams 1908-7-14
GH: 00654403 Desmodium glutinosum (Muhlenberg ex Willdenow) Alph. Wood USA: Vermont Wallingford: Wallingford E. F. Williams 1907-7-25
NEBC: 00654416 Desmodium glutinosum (Muhlenberg ex Willdenow) Alph. Wood USA: Massachusetts Lincoln: Lincoln E. F. Williams 1898-8-28
NEBC: 00654466 Desmodium glutinosum (Muhlenberg ex Willdenow) Alph. Wood USA: Massachusetts Wellesley: Wellesley E. F. Williams 1897-8-29
NEBC: 00423565 Desmodium grandiflorum de Candolle USA: Massachusetts Boston: Stony Brook Reservation [Hyde Park/W... E. F. Williams 1896-9-13
GH: 00711164 Desmodium marilandicum (Linnaeus) de Candolle USA: Massachusetts Boston: Boston, Hyde Park E. F. Williams 1893-8-25
NEBC: 00423720 Desmodium nudiflorum (Linnaeus) de Candolle USA: Massachusetts Blue Hills Reservation E. F. Williams 1894-8-11
NEBC: 00711236 Desmodium obtusum (Muhlenberg ex Willdenow) de Candolle USA: Massachusetts Newton: Newton, Riverside E. F. Williams 1897-9-5
NEBC: 00423643 Desmodium paniculatum (Linnaeus) de Candolle USA: Massachusetts Boston: Stony Brook Reservation [Hyde Park/W... E. F. Williams 1896-9-13
GH: 00711314 Desmodium paniculatum (Linnaeus) de Candolle USA: New Hampshire Hinsdale: Hinsdale E. F. Williams 1907-8-29
NEBC: 00711351 Desmodium paniculatum (Linnaeus) de Candolle USA: Massachusetts Milton: Milton E. F. Williams 1893-8-18
NEBC: 00711375 Desmodium paniculatum (Linnaeus) de Candolle USA: Rhode Island Cumberland: Cumberland E. F. Williams 1903-9-13
GH: 00711465 Desmodium perplexum B. G. Schubert USA: New Hampshire West Lebanon E. F. Williams 1896-8-7
GH: 00711138 Desmodium perplexum B. G. Schubert USA: Massachusetts Boston: Hyde Park E. F. Williams 1893-8-25
GH: 00443486 Desmodium rotundifolium (Michaux) de Candolle USA: Massachusetts Blue Hills Reservation E. F. Williams 1894-9-3
NEBC: 00639187 Desmodium rotundifolium (Michaux) de Candolle USA: Massachusetts Concord: Concord E. F. Williams 1898-8-28
GH: 00639204 Desmodium rotundifolium (Michaux) de Candolle USA: Massachusetts Boston: Hyde Park, Back of Fairview Cemetery E. F. Williams 1893-8-25
GH: 00591540 Genista tinctoria Linnaeus USA: Massachusetts Middleton: Middleton E. F. Williams 1906-7-15
NEBC: 00591545 Genista tinctoria Linnaeus USA: Massachusetts Peabody: Peabody E. F. Williams
NEBC: 00739645 Hedysarum alpinum americanum Michaux ex Pursh USA: Maine Caribou: Caribou E. F. Williams 1902-7-18
NEBC: 00739675 Hedysarum alpinum americanum Michaux ex Pursh USA: Vermont Mount Willoughby E. F. Williams 1894-7-25
NEBC: 00739677 Hedysarum alpinum americanum Michaux ex Pursh USA: Vermont Willoughby E. F. Williams 1894-8-1
NEBC: 00739678 Hedysarum alpinum americanum Michaux ex Pursh USA: Vermont Willoughby E. F. Williams 1894-8-1
NEBC: 00739683 Hedysarum alpinum americanum Michaux ex Pursh USA: Vermont Willoughby E. F. Williams 1894-8-1
NEBC: 00711122 Hedysarum alpinum americanum Michaux ex Pursh USA: Vermont Willoughby E. F. Williams 1904-9-17
NEBC: 00423720 Hylodesmum nudiflorum (Linnaeus) H. Ohashi & R. R. Mill USA: Massachusetts Blue Hills Reservation E. F. Williams 1894-8-11
GH: 00735677 Lathyrus japonicus pellitus Fernald USA: Maine Cranberry Isles: Cranberry Isles E. F. Williams 1 1899-7-24
NEBC: 00735740 Lathyrus japonicus pellitus Fernald USA: Massachusetts Barnstable: Barnstable E. F. Williams 1895-6-16
NEBC: 00735764 Lathyrus japonicus pellitus Fernald USA: Rhode Island Tiverton: Tiverton E. F. Williams 1903-9-27
GH: 00643169 Lathyrus japonicus glaber (Seringe) Fernald USA: New Hampshire Newcastle E. F. Williams 1901-9-19
GH: 00643171 Lathyrus japonicus glaber (Seringe) Fernald USA: New Hampshire Rye: Rye E. F. Williams 1 1903-6-14
NEBC: 00643184 Lathyrus japonicus glaber (Seringe) Fernald USA: Massachusetts Plum Island E. F. Williams 1899-8-4
NEBC: 00534123 Lathyrus latifolius Linnaeus USA: Rhode Island Portsmouth: Portsmouth E. F. Williams 1911-6-18
GH: 00643256 Lathyrus palustris Linnaeus USA: Maine Fort Fairfield: Fort Fairfield E. F. Williams 1901-8-15
GH: 00643258 Lathyrus palustris Linnaeus USA: Maine Fort Kent: Fort Kent E. F. Williams 1900-7-20
NEBC: 00643266 Lathyrus palustris Linnaeus USA: Maine St. Francis E. F. Williams 1900-7-30
NEBC: 00643267 Lathyrus palustris Linnaeus USA: Maine St. John E. F. Williams 1900
GH: 00643291 Lathyrus palustris Linnaeus USA: Maine Cranberry Isles: Cranberry Isles E. F. Williams 1 1899-7-20
GH: 00643292 Lathyrus palustris Linnaeus USA: Maine Cranberry Isles: Cranberry Isles E. F. Williams 1897-7-17
GH: 00643374 Lathyrus palustris Linnaeus USA: Massachusetts Revere: Revere E. F. Williams 1 1897-5-12
GH: 00643373 Lathyrus palustris Linnaeus USA: Massachusetts Revere: Revere E. F. Williams 2 1897-6-12
GH: 00643414 Lathyrus palustris Linnaeus USA: Rhode Island Middletown: Middletown E. F. Williams 1908-5-30
GH: 00739707 Lespedeza angustifolia (Pursh) Elliot USA: Massachusetts Bourne: Bourne E. F. Williams 1 1901-9-15
GH: 00739775 Lespedeza capitata Michaux USA: New Hampshire Hampton: Hampton E. F. Williams 1902-8-31
GH: 00739817 Lespedeza capitata Michaux USA: Massachusetts Winchester: Winchester, Horn Pond Mt. E. F. Williams 1 1901-10-20
NEBC: 00739819 Lespedeza capitata Michaux USA: Massachusetts Winchester: Winchester E. F. Williams 1 1901-10-13
GH: 00711685 Lespedeza capitata Michaux USA: Massachusetts Bourne: Bourne E. F. Williams 1901-9-15
NEBC: 00639332 Lespedeza capitata Michaux USA: Massachusetts Aquinnah: Aquinnah E. F. Williams 1896-9-25
NEBC: 00639340 Lespedeza capitata Michaux USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-22
NEBC: 00639378 Lespedeza capitata Michaux USA: Rhode Island Cumberland: Cumberland E. F. Williams 1 1903-9-13
NEBC: 00423829 Lespedeza frutescens (Linnaeus) Hornemann USA: Massachusetts Quincy: Rattlesnake Hill, Blue Hills Reserva... E. F. Williams 1894-9-3
NEBC: 00564180 Lespedeza frutescens (Linnaeus) Hornemann USA: Massachusetts Weston: Weston, Doublet hill E. F. Williams 1894-10-14
NEBC: 00639475 Lespedeza frutescens (Linnaeus) Hornemann USA: Massachusetts Norwood: Norwood E. F. Williams 1897-8-22
NEBC: 00639498 Lespedeza hirta Elliott USA: Massachusetts Barnstable Town E. F. Williams 1902-9-14
NEBC: 00711726 Lespedeza hirta Elliott USA: Rhode Island Cumberland: Cumberland E. F. Williams 1903-9-13
NEBC: 00423821 Lespedeza hirta (Linnaeus) Hornemann USA: Massachusetts Quincy: Rattlesnake hill, Blue Hills Reserv. E. F. Williams 1895-8-25
NEBC: 00423822 Lespedeza hirta (Linnaeus) Hornemann USA: Massachusetts Milton: Hillside St., Blue Hills Reserv. E. F. Williams 1895-9-22
NEBC: 00423829 Lespedeza intermedia (S. Watson) Britton USA: Massachusetts Quincy: Rattlesnake Hill, Blue Hills Reserva... E. F. Williams 1894-9-3
GH: 00443481 Lespedeza nuttallii Darlington USA: Massachusetts Blue Hills Reservation E. F. Williams 1894-9-3
GH: 00639572 Lespedeza nuttallii Darlington USA: Rhode Island North Kingstown: North Kingstown E. F. Williams 1908-8-28
NEBC: 00423821 Lespedeza polystachya Michaux USA: Massachusetts Quincy: Rattlesnake hill, Blue Hills Reserv. E. F. Williams 1895-8-25
NEBC: 00423822 Lespedeza polystachya Michaux USA: Massachusetts Milton: Hillside St., Blue Hills Reserv. E. F. Williams 1895-9-22
GH: 00443481 Lespedeza procumbens Michaux USA: Massachusetts Blue Hills Reservation E. F. Williams 1894-9-3
GH: 00711787 Lespedeza procumbens Michaux USA: Massachusetts Dover: Dover E. F. Williams 1898-9-18
NEBC: 00711823 Lespedeza procumbens Michaux USA: Rhode Island Cumberland: Cumberland E. F. Williams 1903-9-13
NEBC: 00711824 Lespedeza procumbens Michaux USA: Rhode Island Cumberland: Cumberland E. F. Williams 1903-9-13
GH: 00443482 Lespedeza reticulata (Muhlenberg ex Willdenow) Persoon USA: Massachusetts Milton: Hillside st. Blue Hills Reservation E. F. Williams 1894-8-25
NEBC: 00423829 Lespedeza stuevei Nuttall USA: Massachusetts Quincy: Rattlesnake Hill, Blue Hills Reserva... E. F. Williams 1894-9-3
NEBC: 00423829 Lespedeza stuevei intermedia S. Watson USA: Massachusetts Quincy: Rattlesnake Hill, Blue Hills Reserva... E. F. Williams 1894-9-3
NEBC: 00639622 Lespedeza violacea (Linnaeus) Persoon USA: Massachusetts Boxford: Boxford E. F. Williams 1906-8-16
GH: 00639640 Lespedeza violacea (Linnaeus) Persoon USA: Massachusetts Sudbury: Sudbury E. F. Williams 1904-8-15
NEBC: 00639649 Lespedeza violacea (Linnaeus) Persoon USA: Massachusetts Hyde Park E. F. Williams 1893-8-25
NEBC: 00639654 Lespedeza violacea (Linnaeus) Persoon USA: Massachusetts Canton: Canton E. F. Williams 1894-8-29
NEBC: 00639695 Lespedeza violacea (Linnaeus) Persoon USA: Massachusetts West Tisbury: West Tisbury E. F. Williams 1896-9-23
GH: 00443482 Lespedeza virginica (Linnaeus) Britton USA: Massachusetts Milton: Hillside st. Blue Hills Reservation E. F. Williams 1894-8-25
GH: 00639872 Lespedeza virginica (Linnaeus) Britton USA: Massachusetts Lexington: Lexington E. F. Williams 1908-8-19
GH: 00639880 Lespedeza virginica (Linnaeus) Britton USA: Massachusetts Winchester: Winchester, Winter Pond region E. F. Williams 1901-10-20
NEBC: 00739852 Lespedeza virginica (Linnaeus) Britton USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-22
GH: 00565331 Lupinus perennis Linnaeus USA: Massachusetts Wilmington: Wilmington E. F. Williams 1 1899-5-14
GH: 00565381 Lupinus perennis Linnaeus USA: Massachusetts Centreville E. F. Williams 1895-6-16
NEBC: 00565382 Lupinus perennis Linnaeus USA: Massachusetts Centreville E. F. Williams 1895-6-16
NEBC: 00565385 Lupinus perennis Linnaeus USA: Massachusetts Centreville E. F. Williams 1895-6-16
GH: 00534311 Medicago lupulina Linnaeus USA: Vermont Middlebury: Middlebury E. F. Williams 1908-7-8
NEBC: 00534333 Medicago lupulina Linnaeus USA: Massachusetts Newton: Chestnut Hill [probably in Newton] E. F. Williams 1896-5-17
GH: 00534394 Medicago lupulina Linnaeus USA: Massachusetts Williamstown: Williamstown E. F. Williams 1901-6-18
NEBC: 00534395 Medicago lupulina Linnaeus USA: Massachusetts Williamstown: Williamstown E. F. Williams 1901-6-18
NEBC: 00534410 Medicago lupulina Linnaeus USA: Rhode Island Tiverton: Tiverton E. F. Williams 1903-9-27
GH: 00534514 Medicago sativa Linnaeus USA: Massachusetts Georgetown: Georgetown E. F. Williams 1906-7-4
GH: 00534537 Medicago sativa Linnaeus USA: Massachusetts Dedham: Dedham E. F. Williams 1898-10-2
NEBC: 00534538 Medicago sativa Linnaeus USA: Massachusetts Dedham: Dedham E. F. Williams 1898-10-2
NEBC: 00534539 Medicago sativa Linnaeus USA: Massachusetts Dedham: Dedham E. F. Williams 1898-10-2
GH: 02130000 Medicago sativa Linnaeus USA: New Jersey [data not captured] E. F. Williams 1900-6-18
GH: 00534642 Melilotus albus Medikus USA: Maine Portland: Portland E. F. Williams 1910-8-3
GH: 00534658 Melilotus albus Medikus USA: New Hampshire Warren: Warren E. F. Williams 1910-7-28
GH: 00534673 Melilotus albus Medikus USA: Vermont Middlebury: Middlebury E. F. Williams 1908-7-2
GH: 00534684 Melilotus albus Medikus USA: Massachusetts Rockport: Rockport E. F. Williams 1898-8-14
GH: 00534712 Melilotus albus Medikus USA: Massachusetts Boston: Boston E. F. Williams 1897-5-29
GH: 02130335 Melilotus officinalis (Linnaeus) Lamarck Canada: Quebec Province [data not captured] E. F. Williams 1902-8-6
GH: 00564511 Melilotus officinalis (Linnaeus) Lamarck USA: New Hampshire Hanover: Hanover E. F. Williams
NEBC: 00564522 Melilotus officinalis (Linnaeus) Lamarck USA: Vermont Middlebury: Middlebury E. F. Williams 1908-7-8
GH: 00564590 Melilotus officinalis (Linnaeus) Lamarck USA: Rhode Island Middletown: Middletown E. F. Williams 1909-7-5
NEBC: 00712470 Oxytropis campestris johannensis Fernald USA: Maine St. Francis E. F. Williams 1900-7-20
GH: 00712471 Oxytropis campestris johannensis Fernald USA: Maine St. Francis E. F. Williams 1900-7-30
GH: 00643481 Pisum sativum Linnaeus USA: Maine Mount Desert Island: Mount Desert Island E. F. Williams 1897-7-12
NEBC: 00423945 Robinia pseudoacacia Linnaeus USA: Massachusetts Middlesex Fells Reserv. E. F. Williams 1895-12-21
NEBC: 00423946 Robinia pseudoacacia Linnaeus USA: Massachusetts Arlington: Turkey hill E. F. Williams 1895-6-2
NEBC: 00423947 Robinia pseudoacacia Linnaeus USA: Massachusetts Lexington: Lexington, Lincoln road E. F. Williams 1897-9-19
GH: 00578314 Robinia pseudoacacia Linnaeus USA: Massachusetts Centreville E. F. Williams 1895-6-16
NEBC: 00578315 Robinia pseudoacacia Linnaeus USA: Massachusetts Barnstable Town E. F. Williams 1895-6-16
GH: 00578346 Robinia pseudoacacia Linnaeus USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2
GH: 00580283 Robinia pseudoacacia Linnaeus USA: Maine Somesville E. F. Williams 1910-8-6
GH: 00580301 Robinia pseudoacacia Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1908-7-24
GH: 00580319 Robinia pseudoacacia Linnaeus USA: Vermont Ripton: Ripton E. F. Williams 1908-7-11
GH: 00580327 Robinia pseudoacacia Linnaeus USA: Massachusetts Newbury: Newbury E. F. Williams 1899-8-7
NEBC: 00606973 Robinia pseudoacacia Linnaeus USA: Massachusetts Newbury: Newbury E. F. Williams 1899-8-7
NEBC: 00534785 Robinia viscosa Ventenat USA: Massachusetts Newton: Newton Lower Falls E. F. Williams 1899-10-1
GH: 02136208 Strophostyles helvola (Linnaeus) Elliott USA: New Jersey [data not captured] E. F. Williams 1900-9-1
GH: 00739912 Strophostyles helvola (Linnaeus) Elliott USA: Massachusetts Nahant: Nahant E. F. Williams 1894-9-16
NEBC: 00739914 Strophostyles helvola (Linnaeus) Elliott USA: Massachusetts Nahant: Nahant E. F. Williams 1894-9-16
GH: 00739929 Strophostyles helvola (Linnaeus) Elliott USA: Massachusetts North Weymouth Town E. F. Williams 1893-8-31
NEBC: 00739930 Strophostyles helvola (Linnaeus) Elliott USA: Massachusetts North Weymouth Town E. F. Williams 1893-8-31
NEBC: 00739937 Strophostyles helvola (Linnaeus) Elliott USA: Massachusetts North Scituate E. F. Williams 1897-9-6
GH: 00739938 Strophostyles helvola (Linnaeus) Elliott USA: Massachusetts Scituate: Scituate E. F. Williams 1897-9-6
GH: 02136650 Stylosanthes biflora Britton, Stearn & Poggenburg USA: New Jersey [data not captured] E. F. Williams 1900-9-2
NEBC: 00639991 Tephrosia virginiana (Linnaeus) Persoon USA: Massachusetts Lincoln: Lincoln E. F. Williams 1899-6-17
GH: 00711866 Tephrosia virginiana (Linnaeus) Persoon USA: Massachusetts Barnstable Town E. F. Williams 1909-7-22
NEBC: 00711870 Tephrosia virginiana (Linnaeus) Persoon USA: Massachusetts Barnstable Town E. F. Williams 1896-7-5
GH: 00711883 Tephrosia virginiana (Linnaeus) Persoon USA: Massachusetts Falmouth: Falmouth E. F. Williams 1911-7-4
NEBC: 00711884 Tephrosia virginiana (Linnaeus) Persoon USA: Massachusetts Falmouth: Falmouth E. F. Williams 1911-7-4
NEBC: 00711885 Tephrosia virginiana (Linnaeus) Persoon USA: Massachusetts West Falmouth E. F. Williams 1901-7-14
GH: 00720011 Tephrosia virginiana (Linnaeus) Persoon USA: Massachusetts Nantucket: Nantucket E. F. Williams 1894-9-9
GH: 00501526 Trifolium arvense Linnaeus USA: Maine Randolph: Randolph E. F. Williams 1895
GH: 00501525 Trifolium arvense Linnaeus USA: New Hampshire Woodsville E. F. Williams 1908-8-8
GH: 00501562 Trifolium arvense Linnaeus USA: Vermont Bolton: Bolton E. F. Williams 1908-7-21
GH: 00501566 Trifolium arvense Linnaeus USA: Vermont Norwich: Norwich E. F. Williams 1910-7-15
NEBC: 00501604 Trifolium arvense Linnaeus USA: Massachusetts Waltham: Waltham, Feake's hill [Mount Feake] E. F. Williams 1898-11-13
GH: 00501640 Trifolium arvense Linnaeus USA: Massachusetts Barnstable: Wianno E. F. Williams 1896-9-7
GH: 00534933 Trifolium aureum Pollich USA: Maine Rangeley: Rangeley E. F. Williams 1903-8-4
GH: 00534932 Trifolium aureum Pollich USA: Maine Phillips: Phillips E. F. Williams 1903-8-4
NEBC: 00534996 Trifolium aureum Pollich USA: New Hampshire Gorham: Gorham E. F. Williams 1895-8-5
GH: 00581732 Trifolium aureum Pollich USA: Vermont Willoughby E. F. Williams 1896-7-25
NEBC: 00581734 Trifolium aureum Pollich USA: Vermont Willoughby E. F. Williams 1896-7-25
GH: 00581739 Trifolium aureum Pollich USA: Vermont Ripton: Ripton E. F. Williams 1908-7-4
GH: 00586275 Trifolium aureum Pollich USA: Massachusetts Sharon: Sharon E. F. Williams 1896-6-17
GH: 00586341 Trifolium aureum Pollich USA: Connecticut Lyme: Lyme E. F. Williams 1905-6-17
GH: 02342332 Trifolium campestre Schreber Canada: New Brunswick [data not captured] E. F. Williams 1902-7-20
GH: 00586418 Trifolium campestre Schreber USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-11
NEBC: 00586438 Trifolium campestre Schreber USA: Massachusetts Rockport: Rockport E. F. Williams 1898-8-14
NEBC: 00586449 Trifolium campestre Schreber USA: Massachusetts Boston: Boston E. F. Williams 1896-6-27
GH: 00586451 Trifolium campestre Schreber USA: Massachusetts Boston: Boston, Bay State road E. F. Williams 1896-6-27
NEBC: 00586452 Trifolium campestre Schreber USA: Massachusetts Boston: Boston E. F. Williams 1896-6-27
NEBC: 00586458 Trifolium campestre Schreber USA: Massachusetts Barnstable: Barnstable E. F. Williams 1896-7-5
GH: 00586461 Trifolium campestre Schreber USA: Massachusetts Barnstable: Barnstable E. F. Williams 1896-7-5
NEBC: 00586467 Trifolium campestre Schreber USA: Massachusetts Barnstable: Barnstable E. F. Williams 1896-7-5
NEBC: 00586482 Trifolium campestre Schreber USA: Rhode Island Middletown: Middletown E. F. Williams 1909-7-5
GH: 00586487 Trifolium campestre Schreber USA: Connecticut Lyme: Lyme E. F. Williams 1905-6-17
GH: 02343132 Trifolium hybridum Linnaeus Canada: New Brunswick Saint John: [data not captured] E. F. Williams 1 1902-7-21
GH: 00586615 Trifolium hybridum Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-28
NEBC: 00586654 Trifolium hybridum Linnaeus USA: Massachusetts Essex: Essex E. F. Williams 1896-6-13
GH: 00586728 Trifolium hybridum Linnaeus USA: Rhode Island Tiverton: Tiverton E. F. Williams 1903-9-27
GH: 02343166 Trifolium hybridum Linnaeus USA: Massachusetts Sharon: Sharon E. F. Williams 1896-6-17
GH: 02343196 Trifolium hybridum Linnaeus USA: Vermont Ripton: Ripton E. F. Williams 1908-7-4
GH: 02343197 Trifolium hybridum Linnaeus USA: Vermont Ripton: Bread Loaf Inn E. F. Williams 1908-7-31
GH: 02343177 Trifolium hybridum Linnaeus USA: New Hampshire "Cape Horn," Mt. Washington E. F. Williams 1897-8-8
GH: 00586745 Trifolium incarnatum Linnaeus USA: Vermont Westmore: Westmore E. F. Williams 1898-6-16
NEBC: 00586746 Trifolium incarnatum Linnaeus USA: Vermont Westmore: Westmore E. F. Williams 1898-6-16
GH: 02343241 Trifolium incarnatum Linnaeus USA: New Jersey [data not captured] E. F. Williams 1900-6-20
GH: 00586783 Trifolium medium Linnaeus USA: Massachusetts Georgetown: Georgetown E. F. Williams 1906-7-14
NEBC: 00504723 Trifolium pratense Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-28
GH: 00504725 Trifolium pratense Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-28
GH: 00504768 Trifolium pratense Linnaeus USA: Vermont Ripton: Ripton E. F. Williams 1908-7-4
NEBC: 00504799 Trifolium pratense Linnaeus USA: Massachusetts Lexington: Lexington, Lowell St. E. F. Williams 1896-5-30
NEBC: 00504815 Trifolium pratense Linnaeus USA: Massachusetts Readfield E. F. Williams 1895-9-7
GH: 00504870 Trifolium pratense Linnaeus USA: Massachusetts Cumberland E. F. Williams 1903-9-13
GH: 00586836 Trifolium repens Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-28
NEBC: 00586839 Trifolium repens Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-28
GH: 00586868 Trifolium repens Linnaeus USA: Vermont Ripton: Ripton E. F. Williams 1908-7-4
NEBC: 00586887 Trifolium repens Linnaeus USA: Massachusetts Lexington: Lexington, Lowell St. E. F. Williams 1896-5-30
GH: 00586959 Trifolium repens Linnaeus USA: Connecticut Stratford: Stratford E. F. Williams 1 1901-6-9
GH: 02345483 Vicia angustifolia segitalis (Thuillier) Arcangeli USA: Rhode Island Middletown: [no additional data] E. F. Williams 1909-7-3
GH: 00463117 Vicia cracca Linnaeus USA: Maine Fort Kent: Fort Kent E. F. Williams 1900-7-21
NEBC: 00463143 Vicia cracca Linnaeus USA: Maine Mount Desert (Hancock County): Seal Harbor E. F. Williams 1897-7-11
GH: 00463198 Vicia cracca Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 1896-7-29
NEBC: 00463203 Vicia cracca Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 1896-7-29
GH: 00591721 Vicia hirsuta (Linnaeus) Gray USA: Massachusetts Somesville E. F. Williams 1910-8-6
GH: 00591797 Vicia sativa nigra (Linnaeus) Ehrhart USA: Maine Mount Desert Island: Mount Desert Island E. F. Williams
GH: 00591884 Vicia sativa nigra (Linnaeus) Ehrhart USA: Massachusetts Cambridge: West Cambridge, Clay pit E. F. Williams 1897-8-28
NEBC: 00591885 Vicia sativa nigra (Linnaeus) Ehrhart USA: Massachusetts Cambridge: West Cambridge, Clay pit E. F. Williams 1897-8-28
NEBC: 00591886 Vicia sativa nigra (Linnaeus) Ehrhart USA: Massachusetts Concord: Concord E. F. Williams 1908-6-20
NEBC: 00591893 Vicia sativa nigra (Linnaeus) Ehrhart USA: Massachusetts Weston: Weston, Riverside E. F. Williams 1897-8-29
NEBC: 00423979 Vicia tetrasperma (Linnaeus) Schreber USA: Massachusetts Boston: Stony Brook Reservation [Hyde Park/W... E. F. Williams 1897-6-26
NEBC: 00423980 Vicia tetrasperma (Linnaeus) Schreber USA: Massachusetts Boston: Stony Brook Reservation [Hyde Park/W... E. F. Williams 1897-6-26
NEBC: 00761005 Vicia tetrasperma (Linnaeus) Schreber USA: Massachusetts Cambridge: Cambridge, Mt. Auburn E. F. Williams 1897-8-28
GH: 00761006 Vicia tetrasperma (Linnaeus) Schreber USA: Massachusetts Cambridge: Cambridge, near Mt. Auburn E. F. Williams 1897-8-28
NEBC: 00761015 Vicia tetrasperma (Linnaeus) Schreber USA: Massachusetts Boston: West Roxbury E. F. Williams 1897-6-26
Fagaceae GH: 00354804 Castanea dentata (Marshall) Borkhausen USA: Massachusetts Milton: Hillside St., Blue Hills Reserv. E. F. Williams 1895-6-30
GH: 00576983 Castanea dentata (Marshall) Borkhausen USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-17
GH: 00567021 Castanea dentata (Marshall) Borkhausen USA: Vermont Salisbury: Salisbury E. F. Williams 1908-7-14
GH: 00567053 Castanea dentata (Marshall) Borkhausen USA: Massachusetts Newton: Newton, Riverside, edge Charles rive... E. F. Williams 1897-9-5
NEBC: 00567054 Castanea dentata (Marshall) Borkhausen USA: Massachusetts Newton: Newton, on Charles river E. F. Williams 1897-9-5
GH: 00567072 Castanea dentata (Marshall) Borkhausen USA: Massachusetts Sharon: Sharon E. F. Williams 1896-7-12
NEBC: 00567074 Castanea dentata (Marshall) Borkhausen USA: Massachusetts Sharon: Sharon E. F. Williams 1896-7-12
GH: 00567071 Castanea dentata (Marshall) Borkhausen USA: Massachusetts Chestnut Hill E. F. Williams 1895-11-3
GH: 00567146 Castanea dentata (Marshall) Borkhausen USA: Rhode Island Wickford E. F. Williams 1908-6-17
GH: 00567153 Castanea dentata (Marshall) Borkhausen USA: Connecticut Lyme: Lyme E. F. Williams 1905-6-17
GH: 00342173 Castanea pumila (Linnaeus) Miller USA: Massachusetts Boston: Stony Brook Reserv. [Hyde Park/West ... E. F. Williams 1898-10-2
GH: 00342174 Castanea pumila (Linnaeus) Miller USA: Massachusetts Boston: foot of Bearberry hill, Stony Brook ... E. F. Williams 1897-6-26
GH: 00342175 Castanea pumila (Linnaeus) Miller USA: Massachusetts Boston: foot of Bearberry hill, Stony Brook ... E. F. Williams 1897-6-26
NEBC: 00354786 Fagus grandifolia Ehrhart USA: Massachusetts Boston: Stony Brook Reservation, West Roxbur... E. F. Williams 1897-5-30
GH: 00746220 Fagus grandifolia Ehrhart USA: Maine Hartford: Hartford E. F. Williams 1895
GH: 00746237 Fagus grandifolia Ehrhart USA: Maine Mount Desert (Hancock County): Mount Desert E. F. Williams 1910-8-5
GH: 00746290 Fagus grandifolia Ehrhart USA: New Hampshire Hart's Location: Hart's Location E. F. Williams 1895-7-15
NEBC: 00746315 Fagus grandifolia Ehrhart USA: Vermont Willoughby E. F. Williams 1898-6-18
GH: 00746337 Fagus grandifolia Ehrhart USA: Vermont Brandon: Brandon E. F. Williams 1908-5-22
GH: 00746375 Fagus grandifolia Ehrhart USA: Vermont Willoughby E. F. Williams 1898-6-18
GH: 00746374 Fagus grandifolia Ehrhart USA: Massachusetts Boston: West Roxbury, Hazelwood E. F. Williams 1897-5-30
GH: 00727829 Fagus grandifolia Ehrhart USA: Massachusetts Ashfield: Ashfield E. F. Williams 1907-7-13
GH: 00727839 Fagus grandifolia Ehrhart USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
GH: 00695072 Fagus grandifolia Ehrhart USA: Connecticut Stratford: Stratford E. F. Williams 2 1901-6-9
NEBC: 00354808 Quercus alba Linnaeus USA: Massachusetts Boston: Stony Brook Reservation, West Roxbur... E. F. Williams 1897-5-16
GH: 00727971 Quercus alba Linnaeus USA: New Hampshire West Lebanon E. F. Williams 1910-7-11
GH: 00662116 Quercus alba Linnaeus USA: Massachusetts Middleton: Middleton E. F. Williams 1903-8-23
NEBC: 00662141 Quercus alba Linnaeus USA: Massachusetts Weston: Weston E. F. Williams 1897-5-16
NEBC: 00662168 Quercus alba Linnaeus USA: Massachusetts Brookline: Brookline E. F. Williams 2 1896-5-17
NEBC: 00662169 Quercus alba Linnaeus USA: Massachusetts Canton: Canton E. F. Williams 1 1895-12-1
NEBC: 00662170 Quercus alba Linnaeus USA: Massachusetts Brookline: Brookline E. F. Williams 1896-5-17
GH: 00567250 Quercus bicolor Willdenow USA: Massachusetts Weston: Weston, Riverside rapids E. F. Williams 1897-9-5
GH: 00567259 Quercus bicolor Willdenow USA: Massachusetts Canton: Canton E. F. Williams 1896-4-5
GH: 00576596 Quercus bicolor Willdenow USA: Massachusetts Revere: Revere E. F. Williams 1897-6-12
NEBC: 00567312 Quercus bicolor Willdenow USA: Rhode Island North Kingstown: North Kingstown E. F. Williams 1908-6-17
NEBC: 00695090 Quercus coccinea Münchhausen USA: Massachusetts Falmouth: Falmouth E. F. Williams 1911-7-12
GH: 00695123 Quercus coccinea Münchhausen USA: Rhode Island North Kingstown: North Kingstown E. F. Williams 1908-6-17
NEBC: 00695170 Quercus faxonii Trelease USA: Massachusetts Falmouth: Falmouth E. F. Williams 1911-7-13
GH: 00443493 Quercus ilicifolia Wangenheim USA: Massachusetts Summit of Blue Hill, Blue Hills Reservation E. F. Williams 1901-7-4
GH: 00695284 Quercus ilicifolia Wangenheim USA: Massachusetts Concord: Concord E. F. Williams 1908-8-9
NEBC: 00695302 Quercus ilicifolia Wangenheim USA: Massachusetts Waltham: Waltham, Prospect Hill E. F. Williams 1897-5-16
GH: 00662636 Quercus ilicifolia Wangenheim USA: Rhode Island Providence: Providence E. F. Williams 1914-5-15
GH: 00662637 Quercus ilicifolia Wangenheim USA: Rhode Island Cumberland: Cumberland E. F. Williams 1904-5-15
NEBC: 00676000 Quercus macrocarpa Michaux USA: Maine Waterville: Waterville E. F. Williams 1898
GH: 00676013 Quercus macrocarpa Michaux USA: Vermont Cornwall: Cornwall E. F. Williams 1908-5-27
GH: 00676017 Quercus macrocarpa Michaux USA: Vermont Weybridge: Weybridge E. F. Williams 1908-5-27
NEBC: 00354889 Quercus montana Willdenow USA: Massachusetts Quincy: Wampatcuk hill, Blue Hills Reservati... E. F. Williams 1894-9-3
GH: 00662791 Quercus montana Willdenow USA: Vermont Salisbury: Salisbury E. F. Williams 1908-7-14
GH: 00662794 Quercus montana Willdenow USA: Massachusetts E. F. Williams
NEBC: 00662796 Quercus montana Willdenow USA: Massachusetts Acton: So. [South] Acton E. F. Williams 1899-5-7
GH: 00662690 Quercus palustris Münchhausen USA: Rhode Island North Kingstown: North Kingstown E. F. Williams 1908-6-17
A: 00662711 Quercus prinoides Willdenow USA: New Hampshire Manchester: Manchester E. F. Williams
GH: 00676054 Quercus prinoides Willdenow USA: Massachusetts Concord: Concord E. F. Williams 1908-8-15
NEBC: 00676084 Quercus prinoides Willdenow USA: Massachusetts Dedham: Dedham E. F. Williams 1896-5-24
NEBC: 00746758 Quercus prinoides Willdenow USA: Massachusetts Fair Haven E. F. Williams 1911
NEBC: 00746773 Quercus prinoides Willdenow USA: Massachusetts Bourne: Bourne E. F. Williams 1 1901-9-15
NEBC: 00746790 Quercus prinoides Willdenow USA: Massachusetts Falmouth: Falmouth E. F. Williams 1911-7-14
NEBC: 00695694 Quercus prinoides Willdenow USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-29
NEBC: 00695829 Quercus prinoides Willdenow USA: Rhode Island Johnston: Johnston E. F. Williams 1903-5-29
GH: 00676485 Quercus rubra Linnaeus USA: Maine Mount Desert (Hancock County): Mount Desert E. F. Williams 1910-8-6
GH: 00676626 Quercus rubra Linnaeus USA: Massachusetts Weston: Weston, Stony Brook E. F. Williams 1897-5-16
GH: 00716155 Quercus saulii C. K. Schneider USA: Rhode Island E. F. Williams
A: 00716180 Quercus stellata Wangenheim USA: Massachusetts Yarmouth: Yarmouth E. F. Williams
GH: 00716217 Quercus stellata Wangenheim USA: Rhode Island North Kingstown: North Kingstown E. F. Williams 1908-6-17
GH: 00716218 Quercus stellata Wangenheim USA: Rhode Island North Kingstown: North Kingstown E. F. Williams 1908-6-17
GH: 00716219 Quercus stellata Wangenheim USA: Rhode Island North Kingstown: North Kingstown E. F. Williams 1908-6-17
GH: 00716220 Quercus stellata Wangenheim USA: Rhode Island North Kingstown: North Kingstown E. F. Williams 1908-6-17
GH: 00716228 Quercus stellata Wangenheim USA: Connecticut Huntington E. F. Williams 1897-5-30
NEBC: 00716355 Quercus velutina Lamarck USA: Massachusetts Wayland: Wayland E. F. Williams 1900-5-20
NEBC: 00716356 Quercus velutina Lamarck USA: Massachusetts Waltham: Waltham, Prospect Hill E. F. Williams 1897-5-16
NEBC: 00716357 Quercus velutina Lamarck USA: Massachusetts Waltham: Waltham, Prospect Hill E. F. Williams 1897-5-16
NEBC: 00716375 Quercus velutina Lamarck USA: Massachusetts Brookline: Brookline E. F. Williams 1 1896-5-17
NEBC: 00716403 Quercus velutina Lamarck USA: Massachusetts Falmouth: Falmouth E. F. Williams 1911-7-13
GH: 00676841 Quercus velutina Lamarck USA: Rhode Island North Kingstown: North Kingstown E. F. Williams 1908-6-17
GH: 00676842 Quercus velutina Lamarck USA: Rhode Island North Kingstown: North Kingstown E. F. Williams 1908-6-17
Funariaceae NEBC: 00545227 Funaria hygrometrica Hedwig USA: New Hampshire Mt. Washington: [data not captured] E. F. Williams 1897-7-26
Gentianaceae GH: 00375286 Bartonia iodandra B. L. Robinson USA: Massachusetts Cedar Swamp, Blue Hills Reserv. E. F. Williams 1894-9-23
GH: 00375287 Bartonia iodandra B. L. Robinson USA: Massachusetts Cedar Swamp, Blue Hills Reserv. E. F. Williams 1894-9-23
NEBC: 00375283 Bartonia paniculata (Michaux) Muhlenberg USA: Massachusetts Milton: Houghtons Pond, Blue Hills Res. E. F. Williams 1894-8-25
GH: 00375286 Bartonia paniculata (Michaux) Muhlenberg USA: Massachusetts Cedar Swamp, Blue Hills Reserv. E. F. Williams 1894-9-23
GH: 00375287 Bartonia paniculata (Michaux) Muhlenberg USA: Massachusetts Cedar Swamp, Blue Hills Reserv. E. F. Williams 1894-9-23
GH: 00375287 Bartonia paniculata iodandra (B. L. Robinson) J. M. Gillett USA: Massachusetts Cedar Swamp, Blue Hills Reserv. E. F. Williams 1894-9-23
GH: 00375291 Bartonia tenella Willdenow USA: Massachusetts Milton: by Houghtons Pond, Blue Hills Reserv... E. F. Williams 1894-8-25
GH: 00375291 Bartonia virginica (Linnaeus) Britton, Stearn & Poggenburg USA: Massachusetts Milton: by Houghtons Pond, Blue Hills Reserv... E. F. Williams 1894-8-25
GH: 00375292 Bartonia virginica (Linnaeus) Britton, Stearn & Poggenburg USA: Massachusetts Newbury: E. F. Williams 1898-7-31
GH: 00770134 Bartonia virginica (Linnaeus) Britton, Stearn & Poggenburg USA: Maine Mount Desert (Hancock County): Mount Desert E. F. Williams 1899-7-18
NEBC: 00726375 Bartonia virginica (Linnaeus) Britton, Stearn & Poggenburg USA: Massachusetts Barnstable Town E. F. Williams 1896-9-7
NEBC: 00726407 Bartonia virginica (Linnaeus) Britton, Stearn & Poggenburg USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-29
NEBC: 00717438 Bartonia virginica (Linnaeus) Britton, Stearn & Poggenburg USA: Massachusetts Gloucester: Gloucester E. F. Williams 1897-8-15
GH: 00717444 Bartonia virginica (Linnaeus) Britton, Stearn & Poggenburg USA: Massachusetts Rockport: Rockport E. F. Williams 1897-8-15
GH: 00717447 Bartonia virginica (Linnaeus) Britton, Stearn & Poggenburg USA: Massachusetts Billerica: East Billerica E. F. Williams 1899-10-8
NEBC: 00717480 Bartonia virginica (Linnaeus) Britton, Stearn & Poggenburg USA: Massachusetts Milton: Houghtons Pond E. F. Williams 1894-8-25
GH: 00726484 Gentiana andrewsii Grisebach USA: Massachusetts Concord: Concord E. F. Williams 1896-9-20
NEBC: 00726486 Gentiana andrewsii Grisebach USA: Massachusetts Concord: Concord E. F. Williams 1896-9-20
GH: 00726547 Gentiana clausa Rafinesque USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-9
NEBC: 00726626 Gentiana clausa Rafinesque USA: Massachusetts Concord: Concord, along Lowell R.R. [Railroa... E. F. Williams 1897-10-24
NEBC: 00726625 Gentiana clausa Rafinesque USA: Massachusetts Sherborn: Sherborn E. F. Williams 1898-9-18
NEBC: 00726662 Gentiana clausa Rafinesque USA: Massachusetts Ashfield: Ashfield E. F. Williams 1909-8-7
NEBC: 00726668 Gentiana clausa Rafinesque USA: Massachusetts Conway: Conway E. F. Williams 1909-7-19
GH: 00726878 Gentiana linearis Froelich USA: New Hampshire East Jaffrey E. F. Williams 1901-8-31
NEBC: 00726949 Gentianella amarella (Linnaeus) Börner USA: Maine Van Buren: Van Buren E. F. Williams 1 1901-8-13
NEBC: 01035074 Gentianopsis crinita (Froelich) Ma USA: Massachusetts Concord: Annursnack hill E. F. Williams 1897-10-24
NEBC: 01035075 Gentianopsis crinita (Froelich) Ma USA: Massachusetts Canton: Canton E. F. Williams 1894-9-23
NEBC: 00726763 Gentianopsis crinita (Froelich) Ma USA: Massachusetts Concord: Concord E. F. Williams 1896-9-27
GH: 02166420 Halenia deflexa (Smith) Grisebach Canada: New Brunswick St. Francis Parish E. F. Williams 1900-7-29
GH: 00574785 Menyanthes trifoliata minor Rafinesque USA: Maine Great Cranberry Island E. F. Williams 1899-7-20
GH: 00574826 Menyanthes trifoliata minor Rafinesque USA: Massachusetts Chestnut Hill E. F. Williams 1895-5-30
NEBC: 00574833 Menyanthes trifoliata minor Rafinesque USA: Massachusetts Chestnut Hill [Boston/Brookline/Newton] E. F. Williams 1895-5-30
GH: 00775472 Sabatia campanulata (Linnaeus) Torrey USA: Massachusetts Barnstable Town E. F. Williams 1898-9-5
NEBC: 00775477 Sabatia campanulata (Linnaeus) Torrey USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-30
GH: 00775487 Sabatia campanulata (Linnaeus) Torrey USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-30
GH: 00075452 Sabatia kennedyana Fernald USA: Massachusetts Barnstable: Centreville, shore Wequawket Pon... E. F. Williams 1896-7-4
NEBC: 00775550 Sabatia kennedyana Fernald USA: Massachusetts Barnstable Town E. F. Williams 1898-9-4
Geocalycaceae NEBC: 00497013 Chiloscyphus polyanthos rivularis (Schrader) Lindberg & Arnell USA: Massachusetts Dedham: [data not captured] E. F. Williams 1894-8-26
Geraniaceae GH: 00679918 Erodium botrys (Cavanilles) Bertoloni USA: Massachusetts Tewksbury: Tewksbury E. F. Williams 1900-11-4
GH: 00679920 Erodium botrys (Cavanilles) Bertoloni USA: Massachusetts Tewksbury: Tewksbury E. F. Williams 1900-11-4
GH: 00679921 Erodium botrys (Cavanilles) Bertoloni USA: Massachusetts Tewksbury: Tewksbury E. F. Williams 2 1900-11-11
GH: 00761073 Erodium cicutarium (Linnaeus) L'Heritier USA: Massachusetts Tewksbury: Tewksbury E. F. Williams 1900-11-11
NEBC: 01070201 Geranium bicknellii Britton USA: Maine Mount Desert (Hancock County): Mount Desert E. F. Williams 1899-7-16
GH: 01070211 Geranium bicknellii Britton USA: Maine Mount Desert (Hancock County): Mount Desert E. F. Williams 1897-7-13
GH: 01070314 Geranium carolinianum Linnaeus USA: Massachusetts Barnstable Town E. F. Williams 1896-7-5
NEBC: 01067545 Geranium carolinianum confertiflorum Fernald USA: Massachusetts Lincoln: Lexington, Mt. Tabor [Mt. Tabor is ... E. F. Williams 1 1897-6-6
NEBC: 01067558 Geranium carolinianum confertiflorum Fernald USA: Massachusetts Barnstable Town E. F. Williams 1896-7-5
NEBC: 01067604 Geranium maculatum Linnaeus USA: New Hampshire Rye: Rye E. F. Williams 1903-6-14
GH: 01067609 Geranium maculatum Linnaeus USA: Vermont Sudbury: Sudbury E. F. Williams 1908-5-23
NEBC: 01068325 Geranium maculatum Linnaeus USA: Massachusetts Sharon: Sharon E. F. Williams 1896-6-17
GH: 01068391 Geranium maculatum Linnaeus USA: Rhode Island Cumberland: Cumberland E. F. Williams 1904-5-29
GH: 01068440 Geranium robertianum Linnaeus USA: Maine Cranberry Isles: Cranberry Isles E. F. Williams 1897-7-17
NEBC: 01068441 Geranium robertianum Linnaeus USA: Maine Cranberry Isles: Cranberry Isles E. F. Williams 1897-7-17
NEBC: 01068446 Geranium robertianum Linnaeus USA: Maine Mount Desert Island E. F. Williams 1910-8-6
GH: 01068491 Geranium robertianum Linnaeus USA: New Hampshire Alstead: Alstead E. F. Williams 1901-7-27
NEBC: 01070500 Geranium robertianum Linnaeus USA: Massachusetts Manchester: Manchester E. F. Williams 1896-6-13
GH: 01070531 Geranium robertianum Linnaeus USA: Massachusetts Ashfield: Ashfield E. F. Williams 1907-6-19
GH: 01070547 Geranium robertianum Linnaeus USA: Massachusetts Cummington: Cummington E. F. Williams 1907-7-8
GH: 01070563 Geranium robertianum Linnaeus USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
GH: 01866231 Geranium robertianum Linnaeus USA: New Jersey Sandy Hook [Middletown Township] E. F. Williams 1900-6-19
GH: 00679967 Geranium sanguineum Linnaeus USA: Rhode Island Middletown: Middletown E. F. Williams 1909-7-5
NEBC: 00679968 Geranium sanguineum Linnaeus USA: Rhode Island Middletown: Middletown E. F. Williams 1911-6-17
Grimmiaceae NEBC: 00557503 Grimmia donniana Smith ex Spruce USA: New Hampshire Mt. Washington: [data not captured] E. F. Williams 1895-7-10
Haemodoraceae GH: 00810122 Lachnanthes caroliana (Lamarck) Dandy USA: Massachusetts Barnstable Town E. F. Williams 1896-9-6
GH: 00810123 Lachnanthes caroliana (Lamarck) Dandy USA: Massachusetts Barnstable Town E. F. Williams 2 1896-9-6
NEBC: 00810125 Lachnanthes caroliana (Lamarck) Dandy USA: Massachusetts Barnstable Town E. F. Williams 1896-7-4
NEBC: 00892042 Lachnanthes caroliana (Lamarck) Dandy USA: Massachusetts Barnstable Town E. F. Williams 1896-9-6
Haloragaceae GH: 01067121 Myriophyllum humile (Rafinesque) Morong USA: Massachusetts Tewksbury: Round Pond, Tewksbury E. F. Williams 1900-8-12
NEBC: 01067125 Myriophyllum humile (Rafinesque) Morong USA: Massachusetts Winchester: Winchester, Winter Pond E. F. Williams 1896-10-11
NEBC: 01017905 Myriophyllum humile (Rafinesque) Morong USA: Massachusetts Scituate: Scituate E. F. Williams 1901-9-8
NEBC: 01017959 Myriophyllum humile (Rafinesque) Morong USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-21
NEBC: 01071061 Myriophyllum tenellum Bigelow USA: Massachusetts Tewksbury: Round Pond, Tewksbury E. F. Williams 1900-8-12
GH: 01076197 Myriophyllum tenellum Bigelow USA: Massachusetts Tewksbury: Round Pond, Tewksbury E. F. Williams 2 1900-8-12
GH: 01076199 Myriophyllum tenellum Bigelow USA: Massachusetts Tewksbury: Round Pond, Tewksbury E. F. Williams 1900-8-12
GH: 01071126 Proserpinaca intermedia Mackenzie USA: Massachusetts Sharon: Sharon E. F. Williams 1899-9-10
NEBC: 00348857 Proserpinaca palustris Linnaeus USA: Massachusetts Blue Hills Reservn. E. F. Williams 1895-9-2
NEBC: 00348833 Proserpinaca palustris Linnaeus USA: Massachusetts Quincy: Old Furnace brook bog, Blue Hills Re... E. F. Williams 1895-9-2
GH: 00112135 Proserpinaca palustris crebra Fernald & Griscom USA: New Hampshire Hampton: E. F. Williams 1902-8-31
NEBC: 00267636 Proserpinaca palustris crebra Fernald & Griscom USA: New Hampshire Hampton: E. F. Williams 1902-8-31
GH: 01071175 Proserpinaca palustris crebra Fernald & Griscom USA: New Hampshire East Jaffrey E. F. Williams 1 1901-8-31
NEBC: 01071217 Proserpinaca palustris crebra Fernald & Griscom USA: Massachusetts Sharon: Sharon E. F. Williams 1899-9-10
GH: 01028665 Proserpinaca pectinata Lamarck USA: Massachusetts Sharon: Sharon E. F. Williams 1 1899-9-10
Hamamelidaceae GH: 00348837 Hamamelis virginiana Linnaeus USA: Massachusetts Norwood: Purgatory E. F. Williams 1895-3-24
NEBC: 00348861 Hamamelis virginiana Linnaeus USA: Massachusetts Quincy: Base of Chickatawbut, Blue Hills [Re... E. F. Williams 1895-10-27
GH: 00348863 Hamamelis virginiana Linnaeus USA: Massachusetts Quincy: base of Chickatawbut hill, Blue Hill... E. F. Williams 1895-10-27
GH: 00730399 Hamamelis virginiana Linnaeus USA: Massachusetts Norwood: Norwood E. F. Williams 2 1895-6-23
GH: 00730400 Hamamelis virginiana Linnaeus USA: Massachusetts Woburn: Woburn, Shaker Glen E. F. Williams 1 1895-5-12
GH: 00649026 Hamamelis virginiana Linnaeus USA: Rhode Island Cumberland: Cumberland E. F. Williams 1904-5-29
GH: 00640315 Hamamelis virginiana Linnaeus USA: Maine Gilead: Gilead E. F. Williams 1906-7-23
GH: 00640326 Hamamelis virginiana Linnaeus USA: Maine Penobscot: Penobscot E. F. Williams 1901-2-27
GH: 00640452 Hamamelis virginiana Linnaeus USA: New Hampshire Alstead: Alstead E. F. Williams 1 1901-7-28
GH: 00640479 Hamamelis virginiana Linnaeus USA: Vermont Pownal: Pownal E. F. Williams 1901-6-17
GH: 00640508 Hamamelis virginiana Linnaeus USA: Massachusetts Waltham: Waltham, Prospect Hill E. F. Williams 1895-10-6
Hippuridaceae NEBC: 00664980 Hippuris vulgaris Linnaeus USA: Maine Cranberry Isles: Cranberry Isles E. F. Williams 1899-7-20
GH: 00664981 Hippuris vulgaris Linnaeus USA: Maine Cranberry Isles: Cranberry Isles E. F. Williams 1899-7-20
NEBC: 00664242 Hippuris vulgaris Linnaeus USA: Maine Cranberry Isles: Cranberry Isles E. F. Williams 1897-7-17
NEBC: 00664994 Hippuris vulgaris Linnaeus USA: Maine Cranberry Isles: Cranberry Isles E. F. Williams 1899-7-20
Hydrangeaceae GH: 01750714 Deutzia scabra Thunberg USA: New Jersey Locust [Middletown Township] E. F. Williams 1900-6-19
NEBC: 01574893 Philadelphus coronarius Linnaeus USA: Rhode Island Portsmouth: Abandoned Estate of Van Cluse E. F. Williams 1911-6-18
Hydrophyllaceae NEBC: 00716572 Hydrophyllum virginianum Linnaeus USA: Vermont Cambridge: Cambridge E. F. Williams 1897-7-5
NEBC: 00716573 Hydrophyllum virginianum Linnaeus USA: Vermont Cambridge: Cambridge E. F. Williams 1897-7-5
GH: 00716604 Hydrophyllum virginianum Linnaeus USA: Vermont Wallingford: Wallingford E. F. Williams 1908-5-25
GH: 00716625 Hydrophyllum virginianum Linnaeus USA: Massachusetts Ashfield: Ashfield E. F. Williams 1907-6-19
GH: 00716643 Hydrophyllum virginianum Linnaeus USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
Hypericaceae GH: 00443483 Elodes campanulata (Walter) Pursh USA: Massachusetts Milton: Houghtons pond, Blue Hills Reservati... E. F. Williams 1895-8-11
NEBC: 00750765 Hypericum adpressum Barton USA: Massachusetts Bourne: Bourne E. F. Williams 1901-9-15
NEBC: 00750767 Hypericum adpressum Barton USA: Massachusetts Bourne: Bourne E. F. Williams 1901-9-15
GH: 00750768 Hypericum adpressum Barton USA: Massachusetts Bourne: Bourne E. F. Williams 1901-9-15
GH: 00750769 Hypericum adpressum Barton USA: Massachusetts Bourne: Bourne E. F. Williams 1901-9-15
GH: 00750771 Hypericum adpressum Barton USA: Massachusetts Bourne: Bourne E. F. Williams 1901-9-15
GH: 00750773 Hypericum adpressum Barton USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-30
NEBC: 00750774 Hypericum adpressum Barton USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-30
NEBC: 00750776 Hypericum adpressum Barton USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-30
NEBC: 00750777 Hypericum adpressum Barton USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-30
GH: 00715027 Hypericum ascyron Linnaeus USA: Massachusetts Ashfield: Ashfield E. F. Williams 1907-7-14
GH: 00715028 Hypericum ascyron Linnaeus USA: Massachusetts Ashfield: Ashfield E. F. Williams 1909-8-9
NEBC: 00715093 Hypericum boreale (Britton) E. P. Bicknell USA: Maine Rangeley: Rangeley E. F. Williams 1903-8-2
NEBC: 00715159 Hypericum boreale (Britton) E. P. Bicknell USA: New Hampshire Crawford E. F. Williams 1895-7-19
NEBC: 00715160 Hypericum boreale (Britton) E. P. Bicknell USA: New Hampshire Crawford E. F. Williams 1 1895-7-19
GH: 00774026 Hypericum boreale (Britton) E. P. Bicknell USA: Massachusetts Billerica: East Billerica, Long Pond E. F. Williams 1900-8-12
GH: 00774030 Hypericum boreale (Britton) E. P. Bicknell USA: Massachusetts Lincoln: Lexington, Mt. Tabor [Mt. Tabor is ... E. F. Williams 1897-9-19
NEBC: 00774038 Hypericum boreale (Britton) E. P. Bicknell USA: Massachusetts Tewksbury: Long Pond, Tewksbury E. F. Williams 1899-10-8
GH: 00774120 Hypericum boreale (Britton) E. P. Bicknell USA: Rhode Island Cumberland: Cumberland E. F. Williams 1 1903-9-13
GH: 00774170 Hypericum canadense Linnaeus USA: Maine Grafton Notch E. F. Williams 1895-7-26
NEBC: 00774171 Hypericum canadense Linnaeus USA: Maine Grafton Notch E. F. Williams 1895-7-26
GH: 00660928 Hypericum canadense Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 1896-7-31
NEBC: 00660930 Hypericum canadense Linnaeus USA: New Hampshire Crawford E. F. Williams 1895-7-17
GH: 00715228 Hypericum canadense Linnaeus USA: Vermont Ripton: Ripton E. F. Williams 1908-7-4
NEBC: 00715242 Hypericum canadense Linnaeus USA: Massachusetts Georgetown: Georgetown E. F. Williams 1906-8-15
NEBC: 00715243 Hypericum canadense Linnaeus USA: Massachusetts Boxford: Boxford E. F. Williams 2 1899-8-3
NEBC: 00773178 Hypericum ellipticum Hooker USA: Maine Lincoln: Lincoln E. F. Williams 1903-7-30
NEBC: 00774407 Hypericum ellipticum Hooker USA: New Hampshire Crawford E. F. Williams 1895-7-19
NEBC: 00715333 Hypericum ellipticum Hooker USA: New Hampshire Walpole: Walpole E. F. Williams 1 1901-7-28
GH: 00715384 Hypericum ellipticum Hooker USA: Massachusetts Ashfield: Ashfield E. F. Williams 1909-8-3
GH: 00715399 Hypericum ellipticum Hooker USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2
NEBC: 00312046 Hypericum gentianoides (Linnaeus) Britton, Sterns & Poggenburg USA: Massachusetts Blue Hills Reservation E. F. Williams 1895-8-25
GH: 00715550 Hypericum majus (A. Gray) Britton USA: New Hampshire Randolph: Randolph E. F. Williams 1896-7-20
NEBC: 00715551 Hypericum majus (A. Gray) Britton USA: New Hampshire Randolph: Randolph E. F. Williams 1896-7-30
GH: 00774467 Hypericum majus (A. Gray) Britton USA: Massachusetts Georgetown: Georgetown E. F. Williams 1906-8-15
NEBC: 00774468 Hypericum majus (A. Gray) Britton USA: Massachusetts Georgetown: Georgetown E. F. Williams 1 1906-7-19
GH: 00774470 Hypericum majus (A. Gray) Britton USA: Massachusetts Plum Island E. F. Williams 1 1899-8-4
GH: 00774596 Hypericum mutilum Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 2 1895-7-24
GH: 00774597 Hypericum mutilum Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 1 1895-7-22
NEBC: 00629080 Hypericum mutilum Linnaeus USA: Massachusetts Topsfield: Topsfield E. F. Williams 1 1903-8-23
NEBC: 00629111 Hypericum mutilum Linnaeus USA: Rhode Island Cumberland: Cumberland E. F. Williams 1 1903-9-13
GH: 00629112 Hypericum mutilum Linnaeus USA: Rhode Island Cumberland: Cumberland E. F. Williams 1 1903-9-13
GH: 00765218 Hypericum perforatum Linnaeus USA: Maine Mount Desert Island: Mount Desert Island E. F. Williams 1910-8-4
GH: 00765332 Hypericum perforatum Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 1895-7-24
GH: 00765383 Hypericum perforatum Linnaeus USA: Vermont Ripton: Ripton E. F. Williams 1908-7-3
GH: 00765283 Hypericum perforatum Linnaeus USA: Massachusetts Winchester: Winchester, Winter Pond E. F. Williams 1897-10-10
NEBC: 00765284 Hypericum perforatum Linnaeus USA: Massachusetts Winchester: Winchester, Horn Pond Mt. E. F. Williams 1897-8-21
GH: 00685454 Hypericum perforatum Linnaeus USA: Massachusetts Ashfield: Ashfield E. F. Williams 1907-7-12
NEBC: 00685478 Hypericum perforatum Linnaeus USA: Rhode Island Cumberland: Cumberland E. F. Williams 1903-9-13
GH: 00774673 Hypericum punctatum Lamarck USA: New Hampshire Warren: Warren E. F. Williams 1908-7-28
GH: 00774696 Hypericum punctatum Lamarck USA: Vermont Ripton: Ripton E. F. Williams 1908-7-11
GH: 00774727 Hypericum punctatum Lamarck USA: Massachusetts Weston: Weston, Riverside E. F. Williams 1898-8-6
GH: 00774726 Hypericum punctatum Lamarck USA: Massachusetts Dover: Dover E. F. Williams 1898-9-18
NEBC: 00774728 Hypericum punctatum Lamarck USA: Massachusetts Weston: Weston E. F. Williams 1898-8-6
NEBC: 00774749 Hypericum punctatum Lamarck USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-29
GH: 00773021 Hypericum punctatum Lamarck USA: Rhode Island Cumberland: Cumberland E. F. Williams 1903-9-13
GH: 00443483 Hypericum virginicum Linnaeus USA: Massachusetts Milton: Houghtons pond, Blue Hills Reservati... E. F. Williams 1895-8-11
GH: 00774922 Triadenum fraseri (Spach) Gleason USA: New Hampshire Dummer: Dummer E. F. Williams 1895-7-29
GH: 00306367 Triadenum virginicum (Linnaeus) Rafinesque USA: Rhode Island Cumberland: E. F. Williams 1903-9-13
GH: 00443483 Triadenum virginicum (Linnaeus) Rafinesque USA: Massachusetts Milton: Houghtons pond, Blue Hills Reservati... E. F. Williams 1895-8-11
NEBC: 00774987 Triadenum virginicum (Linnaeus) Rafinesque USA: Maine Lincoln: Lincoln E. F. Williams 1 1903-7-30
NEBC: 00760016 Triadenum virginicum (Linnaeus) Rafinesque USA: Massachusetts Sharon: Sharon E. F. Williams 1897-10-17
NEBC: 00760017 Triadenum virginicum (Linnaeus) Rafinesque USA: Massachusetts Lincoln: Lexington, Mt. Tabor [Mt. Tabor is ... E. F. Williams 1897-9-19
Hypnaceae NEBC: 00920125 Ptilium crista-castrensis (Hedwig) De Notaris USA: New Hampshire [data not captured] E. F. Williams 1895-7-18
Hypoxidaceae NEBC: 00485857 Hypoxis hirsuta (Linnaeus) Coville USA: Massachusetts Norwood: Norwood E. F. Williams 1895-5-19
NEBC: 00485858 Hypoxis hirsuta (Linnaeus) Coville USA: Massachusetts Chestnut Hill E. F. Williams 1895-5-30
NEBC: 00485878 Hypoxis hirsuta (Linnaeus) Coville USA: Massachusetts Norwood: Norwood E. F. Williams 1897-6-27
Iridaceae GH: 01747127 Iris domestica (Linnaeus) Goldblatt & Mabberley USA: New York Mamaroneck E. F. Williams 1906-8-11
NEBC: 00463462 Iris prismatica Pursh USA: Rhode Island Wickford: Wickford E. F. Williams 1908-6-17
NEBC: 00463368 Iris prismatica Pursh USA: Massachusetts Georgetown: Georgetown E. F. Williams 1906-7-4
NEBC: 00463395 Iris prismatica Pursh USA: Massachusetts Wilmington: Wilmington, Silver Lake E. F. Williams 1 1899-6-11
NEBC: 00463403 Iris prismatica Pursh USA: Massachusetts Revere: Revere E. F. Williams 5 1896-6-28
GH: 00463411 Iris prismatica Pursh USA: Massachusetts Scituate: Scituate E. F. Williams 1897-9-6
GH: 00463425 Iris prismatica Pursh USA: Massachusetts Barnstable: Centreville E. F. Williams 1895-6-16
GH: 00869999 Iris versicolor Linnaeus USA: Maine Mount Katahdin E. F. Williams 1 1900-7-16
GH: 01044347 Iris versicolor Linnaeus USA: New Hampshire Dixville: Dixville E. F. Williams 1895-7-27
GH: 00892045 Iris versicolor Linnaeus USA: Massachusetts Barnstable Town E. F. Williams 1896-9-6
NEBC: 01044355 Iris versicolor Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1913-7-8
NEBC: 01044396 Iris versicolor Linnaeus USA: Vermont Willoughby E. F. Williams 1898-6-14
GH: 01044397 Iris versicolor Linnaeus USA: Vermont Willoughby E. F. Williams 1898-6-14
GH: 01044437 Iris versicolor Linnaeus USA: Massachusetts Chestnut Hill [Boston/Brookline/Newton] E. F. Williams 1895-5-30
NEBC: 01044438 Iris versicolor Linnaeus USA: Massachusetts Chestnut Hill [Boston/Brookline/Newton] E. F. Williams 1895-5-30
GH: 01044521 Iris versicolor Linnaeus USA: Rhode Island Cumberland: Cumberland E. F. Williams 1904-5-29
GH: 01044499 Iris versicolor Linnaeus USA: Connecticut Lyme: Lyme E. F. Williams 1905-6-17
NEBC: 00348643 Sisyrinchium angustifolium Miller USA: Massachusetts Boston: Bellevue hill, West Roxbury [Stony B... E. F. Williams 1897-5-30
GH: 01160035 Sisyrinchium angustifolium Miller USA: Massachusetts Franklin Town E. F. Williams 1897-6-17
NEBC: 01160046 Sisyrinchium angustifolium Miller USA: Massachusetts Falmouth: Falmouth E. F. Williams 1911-7-14
NEBC: 01044553 Sisyrinchium arenicola E. P. Bicknell USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-29
NEBC: 01044556 Sisyrinchium arenicola E. P. Bicknell USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-29
NEBC: 01044557 Sisyrinchium arenicola E. P. Bicknell USA: Massachusetts Nantucket: Nantucket E. F. Williams 1454 1911-7-31
NEBC: 01044558 Sisyrinchium arenicola E. P. Bicknell USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-30
NEBC: 01044617 Sisyrinchium atlanticum E. P. Bicknell USA: Massachusetts Manchester: Manchester E. F. Williams 1896-6-13
NEBC: 01044661 Sisyrinchium atlanticum E. P. Bicknell USA: Massachusetts Holbrook: Holbrook E. F. Williams 1899-6-18
NEBC: 01044671 Sisyrinchium atlanticum E. P. Bicknell USA: Massachusetts Norwood: Norwood E. F. Williams 1897-6-27
NEBC: 01044674 Sisyrinchium atlanticum E. P. Bicknell USA: Massachusetts Sharon: Sharon E. F. Williams 1896-6-17
NEBC: 01044702 Sisyrinchium atlanticum E. P. Bicknell USA: Massachusetts Barnstable Town E. F. Williams 1 1895-6-17
NEBC: 01044704 Sisyrinchium atlanticum E. P. Bicknell USA: Massachusetts Barnstable Town E. F. Williams 1895-6-16
NEBC: 01044729 Sisyrinchium atlanticum E. P. Bicknell USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-30
NEBC: 01044733 Sisyrinchium atlanticum E. P. Bicknell USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-30
NEBC: 01044792 Sisyrinchium atlanticum E. P. Bicknell USA: Rhode Island Middletown: Middletown E. F. Williams 1909-7-3
NEBC: 01044811 Sisyrinchium atlanticum E. P. Bicknell USA: Connecticut Lyme: Lyme E. F. Williams 1905-6-17
NEBC: 01044812 Sisyrinchium atlanticum E. P. Bicknell USA: Connecticut Lyme: Lyme E. F. Williams 1905-6-17
NEBC: 00348643 Sisyrinchium montanum crebrum Fernald USA: Massachusetts Boston: Bellevue hill, West Roxbury [Stony B... E. F. Williams 1897-5-30
NEBC: 01044858 Sisyrinchium montanum crebrum Fernald USA: Maine Fort Kent: Fort Kent E. F. Williams 1 1900-7-26
NEBC: 01044920 Sisyrinchium montanum crebrum Fernald USA: Maine Mount Desert (Hancock County): Mount Desert E. F. Williams 1897-7-12
NEBC: 01044992 Sisyrinchium montanum crebrum Fernald USA: New Hampshire Mount Washington E. F. Williams 1903-7-23
NEBC: 00894088 Sisyrinchium montanum crebrum Fernald USA: Massachusetts Essex: Essex E. F. Williams 1896-6-13
NEBC: 00894104 Sisyrinchium montanum crebrum Fernald USA: Massachusetts Lexington: Lexington, Lincoln road E. F. Williams 1897-6-6
GH: 00894194 Sisyrinchium montanum crebrum Fernald USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
GH: 00894207 Sisyrinchium montanum crebrum Fernald USA: Rhode Island Cumberland: Cumberland E. F. Williams 1904-5-29
GH: 00894210 Sisyrinchium montanum crebrum Fernald USA: Rhode Island Middletown: Middletown E. F. Williams 1908-5-30
GH: 00894219 Sisyrinchium montanum crebrum Fernald USA: Connecticut Lyme: Lyme E. F. Williams 1905-6-17
Isoetaceae GH: 00738374 Isoetes echinospora Durieu USA: Maine Fort Kent: Fort Kent E. F. Williams 1 1901-8-11
GH: 00744322 Isoetes echinospora Durieu USA: New Hampshire Mount Washington E. F. Williams 1 1893-7-15
GH: 00744323 Isoetes echinospora Durieu USA: New Hampshire Mount Washington E. F. Williams 2 1893-7-31
NEBC: 00744410 Isoetes echinospora Durieu USA: Vermont Mount Mansfield E. F. Williams 2472 1901-8-14
GH: 00744660 Isoetes echinospora Durieu USA: Massachusetts Ashfield: Ashfield E. F. Williams 1909-7-18
GH: 00342605 Isoetes engelmannii A. Braun USA: Massachusetts Milton: Pine Tree Pool, Blue Hills Reserv. E. F. Williams 1895-9-2
GH: 00744725 Isoetes engelmannii A. Braun USA: Massachusetts Woburn: Woburn, Shaker Glen E. F. Williams 1895-9-1
NEBC: 00744726 Isoetes engelmannii A. Braun USA: Massachusetts Woburn: Woburn, Shaker Glen E. F. Williams 1895-9-1
GH: 00744772 Isoetes riparia Engelmann USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-12
Juglandaceae GH: 00354633 Carya alba (Linnaeus) Nuttall USA: Massachusetts Middlesex Fells Reserv. E. F. Williams 1895-4-19
GH: 00354634 Carya alba (Linnaeus) Nuttall USA: Massachusetts Blue Hills Reserv. big Blue E. F. Williams 1895-6-9
NEBC: 00354635 Carya alba (Linnaeus) Nuttall USA: Massachusetts Blue Hills Reservn. E. F. Williams 1895-6-9
NEBC: 00354574 Carya glabra (Miller) Sweet USA: Massachusetts Boston: Stony Brook Reserv. [Hyde Park/West ... E. F. Williams 1897-5-30
GH: 00354632 Carya glabra (Miller) Sweet USA: Massachusetts Middlesex Fells Reserv. E. F. Williams 1895-4-19
GH: 00354634 Carya glabra (Miller) Sweet USA: Massachusetts Blue Hills Reserv. big Blue E. F. Williams 1895-6-9
NEBC: 00354635 Carya glabra (Miller) Sweet USA: Massachusetts Blue Hills Reservn. E. F. Williams 1895-6-9
NEBC: 00704084 Carya glabra (Miller) Sweet USA: Massachusetts Lexington: Lexington, Lincoln road E. F. Williams 1897-6-6
GH: 00354634 Carya microcarpa Nuttall USA: Massachusetts Blue Hills Reserv. big Blue E. F. Williams 1895-6-9
NEBC: 00354635 Carya ovalis (Wangenheim) Sargent USA: Massachusetts Blue Hills Reservn. E. F. Williams 1895-6-9
GH: 00671238 Carya ovalis (Wangenheim) Sargent USA: Massachusetts Lexington: Lexington, Lincoln road E. F. Williams 1897-9-19
NEBC: 00671251 Carya ovalis (Wangenheim) Sargent USA: Massachusetts Waltham: Waltham E. F. Williams 1897-5-16
GH: 00354633 Carya ovata (Miller) K. Koch USA: Massachusetts Middlesex Fells Reserv. E. F. Williams 1895-4-19
GH: 00354634 Carya ovata (Miller) K. Koch USA: Massachusetts Blue Hills Reserv. big Blue E. F. Williams 1895-6-9
NEBC: 00354635 Carya ovata (Miller) K. Koch USA: Massachusetts Blue Hills Reservn. E. F. Williams 1895-6-9
GH: 00567889 Carya ovata (Miller) K. Koch USA: Vermont Rutland: Rutland E. F. Williams 338 1899-9-27
NEBC: 00567923 Carya ovata (Miller) K. Koch USA: Massachusetts Woburn: Woburn, Lexington St. E. F. Williams 1896-5-30
GH: 00567934 Carya ovata (Miller) K. Koch USA: Massachusetts Norwood: Norwood E. F. Williams 1898-5-15
GH: 00622048 Carya ovata (Miller) K. Koch USA: Rhode Island Wickford E. F. Williams 1908-6-17
NEBC: 00354574 Carya porcina Nuttall ex Elliott USA: Massachusetts Boston: Stony Brook Reserv. [Hyde Park/West ... E. F. Williams 1897-5-30
GH: 00354632 Carya porcina Nuttall ex Elliott USA: Massachusetts Middlesex Fells Reserv. E. F. Williams 1895-4-19
GH: 00704167 Carya tomentosa (Poiret) Nuttall USA: Massachusetts Waltham: Waltham, Feake's hill [Mount Feake] E. F. Williams 1898-11-13
GH: 00704168 Carya tomentosa (Poiret) Nuttall USA: Massachusetts Waltham: Waltham, Feake's hill [Mount Feake] E. F. Williams 1897-5-16
NEBC: 00704169 Carya tomentosa (Poiret) Nuttall USA: Massachusetts Waltham: Waltham, Feake's hill [Mount Feake] E. F. Williams 1897-5-16
NEBC: 00671653 Juglans cinerea Linnaeus USA: Massachusetts Lexington: Lexington, Lincoln St. E. F. Williams 1897-6-6
GH: 00671654 Juglans cinerea Linnaeus USA: Massachusetts Lexington: Lexington, Lincoln road E. F. Williams 1897-6-6
GH: 00671663 Juglans cinerea Linnaeus USA: Massachusetts Waltham: Waltham, Prospect Hill E. F. Williams 1897-5-16
GH: 00671662 Juglans cinerea Linnaeus USA: Massachusetts Lexington: Lexington E. F. Williams 1897-9-19
Juncaceae NEBC: 01026492 Juncus acuminatus Michaux USA: Massachusetts Scituate: Scituate E. F. Williams 1894-6-10
GH: 01026604 Juncus alpinoarticulatus Chaix USA: Maine Fort Kent: Fort Kent E. F. Williams 1901-8-12
NEBC: 01026641 Juncus anthelatus (Wiegand) R. E. Brooks USA: New Hampshire Warren: Warren E. F. Williams 1908-7-23
GH: 00864971 Juncus articulatus Linnaeus USA: New Hampshire Alstead: Alstead E. F. Williams 1901-7-28
GH: 01174060 Juncus articulatus Linnaeus USA: Massachusetts Nantucket: Nantucket E. F. Williams 1894-9-9
GH: 02099019 Juncus articulatus Linnaeus USA: Vermont Norwich: [data not captured] E. F. Williams 1910-7-11
GH: 01025617 Juncus balticus littoralis (Engelmann) Snogerup USA: Maine Mount Desert (Hancock County): Mount Desert E. F. Williams 1897-7-12
NEBC: 01025698 Juncus balticus littoralis (Engelmann) Snogerup USA: Massachusetts Plum Island E. F. Williams 1899-8-4
GH: 01025710 Juncus balticus littoralis (Engelmann) Snogerup USA: Massachusetts Marshfield: Marshfield E. F. Williams 1894-6-10
GH: 01025713 Juncus balticus littoralis (Engelmann) Snogerup USA: Massachusetts Scituate: Scituate E. F. Williams 1894-6-10
GH: 00765590 Juncus brachycarpus Engelmann USA: Massachusetts Scituate: Scituate E. F. Williams 1901-9-8
NEBC: 00765593 Juncus brachycarpus Engelmann USA: Massachusetts Scituate: Scituate E. F. Williams 1901-9-8
GH: 01025727 Juncus brachycephalus (Engelmann) Buchenau USA: Maine Fort Fairfield: Fort Fairfield E. F. Williams 1901-8-15
NEBC: 01025921 Juncus brevicaudatus (Engelmann) Fernald USA: New Hampshire Mount Washington E. F. Williams 1901-8-6
GH: 01025947 Juncus brevicaudatus (Engelmann) Fernald USA: New Hampshire Benton: Mount Moosilauke E. F. Williams 1912-8-3
NEBC: 01025949 Juncus brevicaudatus (Engelmann) Fernald USA: New Hampshire Warren: Warren E. F. Williams 1908-7-22
NEBC: 01025952 Juncus brevicaudatus (Engelmann) Fernald USA: New Hampshire Wentworth: Wentworth E. F. Williams 1908-7-29
NEBC: 01174553 Juncus brevicaudatus (Engelmann) Fernald USA: Vermont Willoughby E. F. Williams 1896-7-26
GH: 01174570 Juncus brevicaudatus (Engelmann) Fernald USA: Vermont Ripton: Ripton E. F. Williams 1908-7-13
NEBC: 01174571 Juncus brevicaudatus (Engelmann) Fernald USA: Vermont Ripton: Ripton E. F. Williams 1908-7-10
GH: 01174657 Juncus bufonius Linnaeus USA: Maine Van Buren: Van Buren E. F. Williams 1901-8-13
NEBC: 01174659 Juncus bufonius Linnaeus USA: Maine Van Buren: Van Buren E. F. Williams 1901-8-13
NEBC: 01174712 Juncus bufonius Linnaeus USA: Maine Cranberry Isles: Cranberry Isles E. F. Williams 1899-7-24
GH: 01174759 Juncus bufonius Linnaeus USA: New Hampshire Newcastle E. F. Williams 1 1901-9-19
GH: 01174774 Juncus bufonius Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 1894-7-10
GH: 01174818 Juncus bufonius Linnaeus USA: Vermont Ripton: Ripton E. F. Williams 1908-7-6
NEBC: 01174908 Juncus bufonius Linnaeus USA: Massachusetts Sharon: Sharon E. F. Williams 1896-7-12
NEBC: 00879830 Juncus bufonius Linnaeus USA: Massachusetts Gosnold: Gosnold E. F. Williams 1279 1911-7-10
NEBC: 00879858 Juncus bufonius Linnaeus USA: Rhode Island Middletown: Middletown E. F. Williams 1909-7-4
NEBC: 00879863 Juncus bufonius Linnaeus USA: Rhode Island North Kingstown: North Kingstown E. F. Williams 1908-6-17
GH: 01045048 Juncus canadensis J. Gay ex Laharpe USA: New Hampshire Wentworth: Wentworth E. F. Williams 1908-7-29
NEBC: 00879974 Juncus canadensis J. Gay ex Laharpe USA: Massachusetts Boxford: Boxford E. F. Williams 1899-8-6
NEBC: 00879975 Juncus canadensis J. Gay ex Laharpe USA: Massachusetts Boxford: Boxford E. F. Williams 1899-8-6
NEBC: 01045088 Juncus canadensis J. Gay ex Laharpe USA: Massachusetts Scituate: Scituate E. F. Williams 1897-9-6
GH: 01178753 Juncus canadensis J. Gay ex Laharpe USA: Massachusetts Nantucket: Nantucket E. F. Williams 1894-9-8
GH: 01175993 Juncus canadensis J. Gay ex Laharpe USA: Rhode Island Middletown: Middletown E. F. Williams 1908-9-13
GH: 02102286 Juncus dudleyi Wiegand Canada: Quebec Province [data not captured] E. F. Williams 1902-8-7
GH: 00859036 Juncus effusus solutus Fernald & Wiegand USA: New Hampshire Warren: Warren E. F. Williams 1908-7-27
NEBC: 00835926 Juncus effusus solutus Fernald & Wiegand USA: Massachusetts Woburn: Woburn, Lex [Lexington] St. E. F. Williams 1894-6-24
GH: 00835945 Juncus effusus solutus Fernald & Wiegand USA: Massachusetts Scituate: Scituate E. F. Williams 1898-7-10
NEBC: 00835946 Juncus effusus solutus Fernald & Wiegand USA: Massachusetts Scituate: Scituate E. F. Williams 1898-7-10
GH: 00835874 Juncus effusus decipiens Buchenau USA: Vermont Ripton: Ripton E. F. Williams 1908-7-4
GH: 00859094 Juncus filiformis Linnaeus USA: Maine Mount Katahdin E. F. Williams 1 1900-7-13
GH: 00859118 Juncus filiformis Linnaeus USA: Maine Middle Dam E. F. Williams 1903-8-2
NEBC: 00859169 Juncus filiformis Linnaeus USA: New Hampshire Mount Washington E. F. Williams 1896-8-7
NEBC: 00859170 Juncus filiformis Linnaeus USA: New Hampshire Mount Washington E. F. Williams 1893-7-14
NEBC: 00859171 Juncus filiformis Linnaeus USA: New Hampshire Mount Washington E. F. Williams 1896-8-6
NEBC: 00859215 Juncus gerardii Loiseleur-Deslongchamps USA: Massachusetts Boston: Boston, on Back Bay E. F. Williams 1896-6-27
NEBC: 00859235 Juncus gerardii Loiseleur-Deslongchamps USA: Massachusetts Barnstable Town E. F. Williams 1895-6-16
GH: 00859264 Juncus gerardii Loiseleur-Deslongchamps USA: Rhode Island North Kingstown: North Kingstown E. F. Williams 1908-6-17
NEBC: 00860115 Juncus greenei Oakes & Tuckerman USA: Maine Newry: Newry E. F. Williams 1906-7-24
NEBC: 00860196 Juncus greenei Oakes & Tuckerman USA: New Hampshire Hart's Location: Hart's Location E. F. Williams 1895-7-16
GH: 00860202 Juncus greenei Oakes & Tuckerman USA: New Hampshire Warren: Warren E. F. Williams 1910-7-23
NEBC: 00860215 Juncus greenei Oakes & Tuckerman USA: New Hampshire Seabrook: Seabrook E. F. Williams 1898-8-7
NEBC: 00860686 Juncus greenei Oakes & Tuckerman USA: Massachusetts Falmouth: Falmouth E. F. Williams 1911-7-13
GH: 00860687 Juncus greenei Oakes & Tuckerman USA: Massachusetts Framingham: Framingham, Nobscot hill E. F. Williams 1901-7-7
GH: 00860688 Juncus greenei Oakes & Tuckerman USA: Massachusetts West Falmouth E. F. Williams 1901-7-14
GH: 01045677 Juncus greenei Oakes & Tuckerman USA: Rhode Island Middletown: Middletown E. F. Williams 1909-7-5
GH: 01045684 Juncus greenei Oakes & Tuckerman USA: Rhode Island North Kingstown: North Kingstown E. F. Williams 1908-6-17
NEBC: 00339942 Juncus marginatus Rostkovius USA: Massachusetts Dedham: E. F. Williams 1897-8-22
NEBC: 00860781 Juncus marginatus Rostkovius USA: Massachusetts Weston: Weston, Riverside E. F. Williams 1898-8-6
GH: 00860787 Juncus marginatus Rostkovius USA: Massachusetts Dedham: Dedham E. F. Williams 1897-8-22
GH: 00859695 Juncus militaris Bigelow USA: Maine Mount Desert (Hancock County): Mount Desert E. F. Williams 1897-7-14
NEBC: 00859736 Juncus militaris Bigelow USA: Massachusetts Scituate: Scituate E. F. Williams 1898-7-10
NEBC: 00859740 Juncus militaris Bigelow USA: Massachusetts Barnstable Town E. F. Williams 1896-7-4
NEBC: 00859785 Juncus militaris Bigelow USA: Massachusetts Gosnold: Gosnold E. F. Williams 1911-7-10
GH: 00859841 Juncus nodosus Linnaeus USA: Maine Fort Kent: Fort Kent E. F. Williams 1900-7-26
NEBC: 00859898 Juncus nodosus Linnaeus USA: Vermont Willoughby E. F. Williams 1894-7-29
GH: 00859922 Juncus nodosus Linnaeus USA: Vermont Ripton: Ripton E. F. Williams 1 1908-7-4
NEBC: 00354011 Juncus pelocarpus E. Meyer USA: Massachusetts Blue Hills Reservation, Gardners' Swamp E. F. Williams 1894-9-3
GH: 01045978 Juncus pelocarpus E. Meyer USA: New Hampshire Wentworth: Wentworth E. F. Williams 1908-7-29
NEBC: 01045979 Juncus pelocarpus E. Meyer USA: New Hampshire Wentworth: Wentworth E. F. Williams 1908-8-1
GH: 00878771 Juncus pelocarpus E. Meyer USA: Massachusetts Barnstable Town E. F. Williams 1896-9-6
NEBC: 00878772 Juncus pelocarpus E. Meyer USA: Massachusetts Barnstable Town E. F. Williams 1896-9-6
GH: 00878821 Juncus pelocarpus E. Meyer USA: Rhode Island Cumberland: Cumberland E. F. Williams 1 1903-9-13
GH: 00878630 Juncus platyphyllus (Wiegand) Fernald USA: Rhode Island Cumberland: Cumberland E. F. Williams 1904-1-6
GH: 00860866 Juncus pylaei Laharpe USA: Maine Lincoln: Lincoln E. F. Williams 1903-7-29
NEBC: 00860867 Juncus pylaei Laharpe USA: Maine Lincoln: Lincoln E. F. Williams 1903-7-30
GH: 00860942 Juncus pylaei Laharpe USA: New Hampshire Warren: Warren E. F. Williams 1908-7-23
NEBC: 00860943 Juncus pylaei Laharpe USA: New Hampshire Warren: Warren E. F. Williams 1908-7-23
GH: 00860970 Juncus pylaei Laharpe USA: Vermont Ripton: Ripton E. F. Williams 1908-7-10
NEBC: 00860971 Juncus pylaei Laharpe USA: Vermont Ripton: Ripton E. F. Williams 1908-6-10
NEBC: 00860972 Juncus pylaei Laharpe USA: Vermont Ripton: Ripton E. F. Williams 1908-7-6
NEBC: 00878858 Juncus pylaei Laharpe USA: Massachusetts Gosnold: Gosnold E. F. Williams 1911-7-10
GH: 02398410 Juncus scirpoides Lamarck USA: New Jersey [data not captured] E. F. Williams 1900-9-2
GH: 00878966 Juncus secundus P. Beauvois ex Poiret USA: Massachusetts Framingham: Framingham, Nobscot hill E. F. Williams 1901-7-7
GH: 02398705 Juncus subcaudatus (Engelmann) Coville & S. F. Blake USA: New Jersey [data not captured] E. F. Williams 1900-9-2
GH: 02397284 Juncus tenuis williamsii Fernald Canada: Quebec Province [data not captured] E. F. Williams 1902-8-5
NEBC: 01148333 Juncus tenuis Willdenow USA: Maine Fort Fairfield: Fort Fairfield E. F. Williams 1901-8-18
NEBC: 01148326 Juncus tenuis Willdenow USA: Maine Van Buren: Van Buren E. F. Williams 1901-8-13
NEBC: 01148325 Juncus tenuis Willdenow USA: Maine Van Buren: Van Buren E. F. Williams 1901-8-13
NEBC: 01148324 Juncus tenuis Willdenow USA: Maine Van Buren: Van Buren E. F. Williams 1901-8-13
NEBC: 01150061 Juncus tenuis Willdenow USA: Maine Lincoln: Lincoln E. F. Williams 1 1903-7-30
GH: 01150141 Juncus tenuis Willdenow USA: New Hampshire Mount Moosilauke E. F. Williams 1908-8-3
NEBC: 01150142 Juncus tenuis Willdenow USA: New Hampshire Warren: Warren E. F. Williams 1908-7-21
GH: 01150182 Juncus tenuis Willdenow USA: Vermont Maidstone: Maidstone E. F. Williams 1906-7-28
GH: 01150203 Juncus tenuis Willdenow USA: Vermont Ripton: Ripton E. F. Williams 1908-7-15
GH: 01150204 Juncus tenuis Willdenow USA: Vermont Ripton: Ripton E. F. Williams 1908-7-13
NEBC: 01150205 Juncus tenuis Willdenow USA: Vermont Ripton: Ripton E. F. Williams 1908-7-13
GH: 01150206 Juncus tenuis Willdenow USA: Vermont Ripton: Ripton E. F. Williams 1908-7-9
NEBC: 01150207 Juncus tenuis Willdenow USA: Vermont Ripton: Ripton E. F. Williams 1908-7-9
NEBC: 01150208 Juncus tenuis Willdenow USA: Vermont Ripton: Ripton E. F. Williams 1908-7-11
NEBC: 01150250 Juncus tenuis Willdenow USA: Massachusetts Georgetown: Georgetown E. F. Williams 1906-7-4
GH: 01150267 Juncus tenuis Willdenow USA: Massachusetts Framingham: Framingham, Nobscot hill E. F. Williams 1901-7-7
GH: 01150283 Juncus tenuis Willdenow USA: Massachusetts Woburn: Woburn, Lex [Lexington] St. E. F. Williams 1894-6-24
NEBC: 01150298 Juncus tenuis Willdenow USA: Massachusetts Sharon: Sharon E. F. Williams 1894-7-1
GH: 01182391 Juncus tenuis Willdenow USA: Rhode Island Middletown: Middletown E. F. Williams 1909-7-4
GH: 01182393 Juncus tenuis Willdenow USA: Rhode Island Tiverton: Tiverton E. F. Williams 1903-9-27
NEBC: 00032005 Juncus tenuis williamsii Fernald USA: Maine Van Buren: E. F. Williams 1900-7-19
GH: 00029684 Juncus tenuis williamsii Fernald USA: Maine Van Buren: E. F. Williams 1900-7-19
GH: 02397293 Juncus tenuis williamsii Fernald USA: Maine Van Buren E. F. Williams 3312 1901-8-13
GH: 02397300 Juncus tenuis williamsii Fernald USA: Maine Mt. Aziscoos E. F. Williams 1 1903-7-31
GH: 02397302 Juncus tenuis williamsii Fernald USA: New Hampshire Breezy Point. Warren E. F. Williams 1908-7-27
GH: 02397303 Juncus tenuis williamsii Fernald USA: New Hampshire Ditch near the Red Bridge, Warren E. F. Williams 1910-7-21
GH: 02397304 Juncus tenuis williamsii Fernald USA: New Hampshire Woodsville E. F. Williams 1908-8-8
NEBC: 00734063 Juncus trifidus Linnaeus USA: New Hampshire Mount Washington E. F. Williams 1893-7-14
NEBC: 00734096 Juncus trifidus Linnaeus USA: New Hampshire Mount Willard E. F. Williams 1898-7-1
NEBC: 00734108 Juncus trifidus Linnaeus USA: New Hampshire Benton: Benton E. F. Williams 1907-7-19
NEBC: 00734119 Juncus trifidus Linnaeus USA: New Hampshire Jaffrey: Jaffrey E. F. Williams 1894-6-17
NEBC: 00734129 Juncus trifidus Linnaeus USA: Vermont Mount Mansfield E. F. Williams 1897-7-7
GH: 00775986 Juncus vaseyi Engelmann USA: Maine Fort Kent: Fort Kent E. F. Williams 1901-8-10
GH: 00734223 Luzula acuminata Rafinesque USA: Massachusetts Springfield: Springfield E. F. Williams 1910-6-18
GH: 00734248 Luzula acuminata Rafinesque USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
NEBC: 00354031 Luzula campestris (Linnaeus) de Candolle USA: Massachusetts Middlesex Fells Reservation E. F. Williams 1896-5-3
NEBC: 00725769 Luzula confusa Lindeberg USA: Maine Mount Katahdin E. F. Williams 1 1900-7-11
NEBC: 00725772 Luzula confusa Lindeberg USA: Maine Mount Katahdin E. F. Williams 1900-7-11
NEBC: 00725789 Luzula confusa Lindeberg USA: New Hampshire Thompson and Meserves E. F. Williams 1895-7-7
NEBC: 00725793 Luzula confusa Lindeberg USA: New Hampshire Thompson and Meserves E. F. Williams 1895-7-7
NEBC: 00354031 Luzula multiflora (Ehrhart) Lejeune USA: Massachusetts Middlesex Fells Reservation E. F. Williams 1896-5-3
NEBC: 01182480 Luzula multiflora (Ehrhart) Lejeune USA: Maine St. John E. F. Williams 1900-7-23
GH: 01150919 Luzula multiflora (Ehrhart) Lejeune USA: New Hampshire Mount Washington E. F. Williams 1901-8-5
NEBC: 01150920 Luzula multiflora (Ehrhart) Lejeune USA: New Hampshire Mount Washington E. F. Williams 1 1901-8-5
GH: 01150938 Luzula multiflora (Ehrhart) Lejeune USA: New Hampshire Mount Moosilauke E. F. Williams 1908-8-3
NEBC: 01150939 Luzula multiflora (Ehrhart) Lejeune USA: New Hampshire Mount Moosilauke E. F. Williams 1907-7-19
GH: 01150988 Luzula multiflora (Ehrhart) Lejeune USA: Vermont Willoughby E. F. Williams 1 1898-6-18
NEBC: 01150989 Luzula multiflora (Ehrhart) Lejeune USA: Vermont Willoughby E. F. Williams 1898-6-18
NEBC: 00865335 Luzula multiflora (Ehrhart) Lejeune USA: Massachusetts Lexington: East Lexington, near Mt. Ephraim ... E. F. Williams 1894-5-27
GH: 00880267 Luzula multiflora (Ehrhart) Lejeune USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
GH: 00880284 Luzula multiflora (Ehrhart) Lejeune USA: Rhode Island Lonsdale E. F. Williams 1904-5-15
GH: 00880311 Luzula parviflora (Ehrhart) Desvaux USA: New Hampshire Mount Washington E. F. Williams 1895-7-7
GH: 00880344 Luzula parviflora (Ehrhart) Desvaux USA: New Hampshire Mount Moosilauke E. F. Williams 1907-7-19
GH: 00880365 Luzula parviflora (Ehrhart) Desvaux USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
NEBC: 00725702 Luzula spicata Linnaeus USA: Maine Mount Katahdin E. F. Williams 1 1900-7-9
NEBC: 00725739 Luzula spicata Linnaeus USA: New Hampshire Mount Washington E. F. Williams 1898-6-29
NEBC: 00725756 Luzula spicata Linnaeus USA: New Hampshire Hart Location E. F. Williams 1894-7-19
Juncaginaceae GH: 00684005 Triglochin maritima Linnaeus USA: Maine Crystal: Crystal E. F. Williams 1901-8-19
GH: 00684028 Triglochin maritima Linnaeus USA: Maine Cranberry Isles: Cranberry Isles E. F. Williams 1899-7-24
GH: 00684069 Triglochin maritima Linnaeus USA: New Hampshire Hampton: Hampton E. F. Williams 1901-9-22
GH: 00684070 Triglochin maritima Linnaeus USA: New Hampshire Rye: Rye E. F. Williams 2 1903-6-14
GH: 00684145 Triglochin maritima Linnaeus USA: Rhode Island Middletown: Middletown E. F. Williams 1908-9-13
Lamiaceae GH: 01555060 Agastache scrophulariifolia (Willdenow) Kuntze USA: New York Scarsdale E. F. Williams 1906-8-12
GH: 01555913 Clinopodium vulgare Linnaeus Canada: New Brunswick St. Francis Parish E. F. Williams 1900-7-29
NEBC: 00656034 Clinopodium vulgare Linnaeus USA: Maine St. Francis E. F. Williams 1 1900-7-20
GH: 00656103 Clinopodium vulgare Linnaeus USA: New Hampshire Alstead: Alstead E. F. Williams 1901-7-27
GH: 00656115 Clinopodium vulgare Linnaeus USA: Vermont Granville: Granville E. F. Williams 1908-7-18
GH: 00656118 Clinopodium vulgare Linnaeus USA: Vermont Norwich: Norwich E. F. Williams 1910-7-15
GH: 00656174 Clinopodium vulgare Linnaeus USA: Massachusetts Scituate: Scituate E. F. Williams 1898-7-10
NEBC: 00696422 Collinsonia canadensis Linnaeus USA: Massachusetts Revere: Revere E. F. Williams 1894-7-19
GH: 00696476 Collinsonia canadensis Linnaeus USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2
NEBC: 00656256 Galeopsis bifida Boenninghausen USA: Maine Rangeley: Rangeley E. F. Williams 1903-8-4
NEBC: 00656277 Galeopsis bifida Boenninghausen USA: Maine Cranberry Isles: Cranberry Isles E. F. Williams 1899-7-24
GH: 00685089 Galeopsis bifida Boenninghausen USA: New Hampshire Randolph: Randolph E. F. Williams 1896-7-30
GH: 00685133 Galeopsis bifida Boenninghausen USA: Massachusetts Dedham: Dedham E. F. Williams 1897-9-22
NEBC: 00735013 Galeopsis ladanum Linnaeus USA: Massachusetts Revere: Revere E. F. Williams 1896-8-22
GH: 00755890 Galeopsis tetrahit Linnaeus USA: Vermont Willoughby E. F. Williams 1896-7-19
GH: 00562665 Glechoma hederacea Linnaeus USA: Rhode Island Lonsdale: E. F. Williams 1904-5-15
GH: 00562522 Glechoma hederacea Linnaeus USA: New Hampshire Rye: Rye E. F. Williams 1903-6-14
NEBC: 00562537 Glechoma hederacea Linnaeus USA: Vermont Willoughby E. F. Williams 1898-6-9
GH: 00562543 Glechoma hederacea Linnaeus USA: Vermont Willoughby E. F. Williams 1898-6-9
GH: 00562580 Glechoma hederacea Linnaeus USA: Massachusetts Lexington: Lexington, Lowell St. E. F. Williams 1896-5-30
NEBC: 00375396 Hedeoma pulegioides (Linnaeus) Persoon USA: Massachusetts Blue Hills Reservn. E. F. Williams 1895-8-11
NEBC: 00375397 Hedeoma pulegioides (Linnaeus) Persoon USA: Massachusetts Blue Hills Reservn. E. F. Williams 1895-8-11
NEBC: 00375398 Hedeoma pulegioides (Linnaeus) Persoon USA: Massachusetts Weston: Weston E. F. Williams 1895-9-29
NEBC: 00505781 Hedeoma pulegioides (Linnaeus) Persoon USA: New Hampshire Randolph: Randolph E. F. Williams 1896-8-1
GH: 00505782 Hedeoma pulegioides (Linnaeus) Persoon USA: New Hampshire Randolph: Randolph E. F. Williams 1896-8-1
GH: 00505834 Hedeoma pulegioides (Linnaeus) Persoon USA: Massachusetts Concord: Concord E. F. Williams 1908-8-30
NEBC: 00505860 Hedeoma pulegioides (Linnaeus) Persoon USA: Massachusetts Dover: Dover E. F. Williams 1898-9-18
GH: 00505897 Hedeoma pulegioides (Linnaeus) Persoon USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2
GH: 00505898 Hedeoma pulegioides (Linnaeus) Persoon USA: Rhode Island Tiverton: Tiverton E. F. Williams 1903-9-27
GH: 00735003 Hyssopus officinalis Linnaeus USA: Massachusetts Burlington: Burlington, near farm E. F. Williams 1 1898-11-20
NEBC: 00749228 Lamium amplexicaule Linnaeus USA: Massachusetts Boston: West Roxbury E. F. Williams 1898-5-12
GH: 00749249 Lamium amplexicaule Linnaeus USA: Massachusetts Nantucket: Nantucket E. F. Williams 1 1903-9-20
GH: 00749295 Lamium maculatum Linnaeus USA: Massachusetts Winchester: Winchester E. F. Williams 1897-5-9
GH: 00558174 Leonurus cardiaca Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1908-7-24
GH: 00558199 Leonurus cardiaca Linnaeus USA: Vermont Middlebury: Middlebury E. F. Williams 1908-7-14
GH: 00558311 Leonurus cardiaca Linnaeus USA: Massachusetts Waltham: Waltham, Prospect Hill E. F. Williams 1895-10-6
NEBC: 00558317 Leonurus cardiaca Linnaeus USA: Massachusetts Boston: Boston E. F. Williams 1896-6-20
GH: 00558350 Leonurus cardiaca Linnaeus USA: Massachusetts Buckland: Buckland E. F. Williams 1907-7-10
GH: 00558378 Leonurus cardiaca Linnaeus USA: Rhode Island Wickford E. F. Williams 1909
GH: 01552023 Leonurus cardiaca Linnaeus USA: New Jersey Sandy Hook [Middletown Township] E. F. Williams 1900-6-19
GH: 00696519 Lycopus americanus Muhlenberg ex W. P. C. Barton USA: Maine Madawaska: Madawaska E. F. Williams 1901-8-12
GH: 00696540 Lycopus americanus Muhlenberg ex W. P. C. Barton USA: Maine Rangeley: Rangeley E. F. Williams 1903-8-4
NEBC: 00696617 Lycopus americanus Muhlenberg ex W. P. C. Barton USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-28
GH: 00696618 Lycopus americanus Muhlenberg ex W. P. C. Barton USA: New Hampshire Randolph: Randolph E. F. Williams 1896-7-29
GH: 00696631 Lycopus americanus Muhlenberg ex W. P. C. Barton USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-7
GH: 00658096 Lycopus americanus Muhlenberg ex W. P. C. Barton USA: Vermont Granville: Granville E. F. Williams 1908-7-18
GH: 00658097 Lycopus americanus Muhlenberg ex W. P. C. Barton USA: Vermont Ripton: Ripton E. F. Williams 1908-7-4
GH: 00658127 Lycopus americanus Muhlenberg ex W. P. C. Barton USA: Massachusetts Rockport: Rockport E. F. Williams 1897-8-15
NEBC: 00658525 Lycopus americanus Muhlenberg ex W. P. C. Barton USA: Massachusetts Dedham: Dedham E. F. Williams 1897-8-22
GH: 00658532 Lycopus americanus Muhlenberg ex W. P. C. Barton USA: Massachusetts Wellesley: Wellesley E. F. Williams 1899-10-1
NEBC: 00696715 Lycopus americanus Muhlenberg ex W. P. C. Barton USA: Massachusetts Barnstable Town E. F. Williams 1896-9-7
GH: 00696716 Lycopus americanus Muhlenberg ex W. P. C. Barton USA: Massachusetts Barnstable Town E. F. Williams 1896-9-6
NEBC: 00696757 Lycopus americanus Muhlenberg ex W. P. C. Barton USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-29
GH: 00696758 Lycopus americanus Muhlenberg ex W. P. C. Barton USA: Massachusetts Nantucket: Nantucket E. F. Williams 1894-9-9
GH: 00658547 Lycopus americanus Muhlenberg ex W. P. C. Barton USA: Rhode Island Tiverton: Tiverton E. F. Williams 1903-9-27
GH: 00696808 Lycopus amplectens Rafinesque USA: Massachusetts Barnstable Town E. F. Williams 1896-9-6
GH: 00696809 Lycopus amplectens Rafinesque USA: Massachusetts Barnstable Town E. F. Williams 1896-9-6
NEBC: 00696810 Lycopus amplectens Rafinesque USA: Massachusetts Barnstable Town E. F. Williams 1896-9-6
GH: 00696816 Lycopus amplectens Rafinesque USA: Massachusetts Falmouth: Falmouth E. F. Williams 3449 1911-7-29
NEBC: 00696817 Lycopus amplectens Rafinesque USA: Massachusetts Falmouth: Falmouth E. F. Williams 1911-7-12
GH: 00696836 Lycopus amplectens Rafinesque USA: Massachusetts Nantucket: Nantucket E. F. Williams 1894-9-8
GH: 00443500 Lycopus rubellus Moench USA: Massachusetts Boston: Stony Brook Reserv. [Hyde Park/West ... E. F. Williams 1896-9-13
GH: 00745559 Lycopus rubellus Moench USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2
GH: 00642021 Lycopus sherardii Steele (pro sp.) USA: Vermont Norwich: Norwich E. F. Williams 1910-7-11
NEBC: 00696891 Lycopus uniflorus Michaux USA: Maine Magalloway E. F. Williams 1 1903-7-30
NEBC: 00696924 Lycopus uniflorus Michaux USA: Maine Mount Desert Island: Mount Desert Island E. F. Williams 1910-8-5
GH: 00658656 Lycopus uniflorus Michaux USA: Maine York: York E. F. Williams 1 1898-7-24
GH: 00658675 Lycopus uniflorus Michaux USA: New Hampshire Piermont: Piermont E. F. Williams 1908-8-1
GH: 00658677 Lycopus uniflorus Michaux USA: New Hampshire Warren: Warren E. F. Williams 1908-7-23
NEBC: 00658738 Lycopus uniflorus Michaux USA: Massachusetts Boxford: Boxford E. F. Williams 1906-8-26
GH: 00658782 Lycopus uniflorus Michaux USA: Massachusetts Scituate: Scituate E. F. Williams 1 1898-9-11
NEBC: 00658809 Lycopus uniflorus Michaux USA: Massachusetts Gosnold: Gosnold E. F. Williams 1911-7-10
NEBC: 00658862 Lycopus uniflorus Michaux USA: Rhode Island Cumberland: Cumberland E. F. Williams 1903-9-13
GH: 00443500 Lycopus virginicus Linnaeus USA: Massachusetts Boston: Stony Brook Reserv. [Hyde Park/West ... E. F. Williams 1896-9-13
GH: 00658933 Lycopus virginicus Linnaeus USA: Massachusetts Georgetown: Georgetown E. F. Williams 1906-9-3
NEBC: 00749169 Marrubium vulgare Linnaeus USA: Massachusetts Gosnold: Gosnold E. F. Williams 1911-7-10
NEBC: 00749173 Marrubium vulgare Linnaeus USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-26
GH: 00751530 Mentha arvensis Linnaeus USA: New Hampshire Wentworth: Wentworth E. F. Williams 1908-8-1
GH: 00759332 Mentha arvensis Linnaeus USA: Massachusetts Boxford: Boxford E. F. Williams 1899-8-3
GH: 00759345 Mentha arvensis Linnaeus USA: Massachusetts Concord: Concord, "Conantum" E. F. Williams 1908-8-9
NEBC: 00759348 Mentha arvensis Linnaeus USA: Massachusetts Lincoln: Lincoln E. F. Williams 1896-8-29
GH: 00759362 Mentha arvensis Linnaeus USA: Massachusetts Winchester: Winchester, Winter Pond E. F. Williams 1896-10-11
NEBC: 00759363 Mentha arvensis Linnaeus USA: Massachusetts Winchester: Winchester, Winter Pond E. F. Williams 1896-10-11
GH: 00759389 Mentha arvensis Linnaeus USA: Massachusetts Nantucket: Nantucket E. F. Williams 1894-9-8
NEBC: 01047855 Mentha canadensis Linnaeus USA: Maine Fort Fairfield: Fort Fairfield E. F. Williams 1901-8-15
NEBC: 01047857 Mentha canadensis Linnaeus USA: Maine Fort Kent: Fort Kent E. F. Williams 1900-8-1
GH: 01047918 Mentha canadensis Linnaeus USA: Maine Lincoln: Lincoln E. F. Williams 1903-7-30
GH: 01018135 Mentha canadensis Linnaeus USA: New Hampshire Dummer: Dummer E. F. Williams 1895-7-29
GH: 01018141 Mentha canadensis Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-29
NEBC: 01018142 Mentha canadensis Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-29
GH: 01018152 Mentha canadensis Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-13
NEBC: 01018154 Mentha canadensis Linnaeus USA: New Hampshire Wentworth: Wentworth E. F. Williams 1908-8-1
GH: 01018155 Mentha canadensis Linnaeus USA: New Hampshire Wentworth: Wentworth E. F. Williams 1908-8-1
NEBC: 01018180 Mentha canadensis Linnaeus USA: Vermont Willoughby E. F. Williams 1896-7-22
GH: 01018242 Mentha canadensis Linnaeus USA: Massachusetts Sharon: Sharon E. F. Williams 1897-10-17
GH: 01018262 Mentha canadensis Linnaeus USA: Massachusetts Ashfield: Ashfield E. F. Williams 1909-8-1
GH: 01018283 Mentha canadensis Linnaeus USA: Rhode Island Rumford E. F. Williams 1903-9-6
GH: 00751943 Mentha gracilis Sole USA: New Hampshire Hampton: Hampton E. F. Williams 1902-8-31
GH: 00751944 Mentha gracilis Sole USA: New Hampshire Hampton: Hampton E. F. Williams 1902-8-31
GH: 00751953 Mentha gracilis Sole USA: Massachusetts Lincoln: Lincoln E. F. Williams 1896-8-29
GH: 00611457 Mentha piperita Linnaeus USA: Massachusetts Weston: Weston, Riverside E. F. Williams 1897-9-5
NEBC: 00611463 Mentha piperita Linnaeus USA: Massachusetts Dedham: Dedham E. F. Williams 1897-8-22
NEBC: 00611464 Mentha piperita Linnaeus USA: Massachusetts Dedham: Dedham E. F. Williams 1894-10-28
GH: 00611495 Mentha piperita Linnaeus USA: Massachusetts Ashfield: Ashfield E. F. Williams 1909-7-19
GH: 00573337 Mentha piperita Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1910-7-24
GH: 00749074 Mentha spicata Linnaeus USA: Massachusetts Georgetown: Georgetown E. F. Williams 1902-8-24
GH: 00749082 Mentha spicata Linnaeus USA: Massachusetts Weston: Weston, Riverside E. F. Williams 1897-9-5
GH: 00749104 Mentha spicata Linnaeus USA: Massachusetts Ashfield: Ashfield E. F. Williams 1909-8-6
GH: 00759192 Monarda didyma Linnaeus USA: Massachusetts Wellesley: Wellesley E. F. Williams 1897-8-29
GH: 00759213 Monarda didyma Linnaeus USA: New Hampshire Errol: Errol E. F. Williams 1895-7-26
GH: 00759218 Monarda didyma Linnaeus USA: Vermont Hancock: Hancock E. F. Williams 1908-7-18
GH: 00642137 Monarda fistulosa mollis (Linnaeus) Bentham USA: Massachusetts Wellesley: Wellesley E. F. Williams 1899-10-1
GH: 00642152 Monarda fistulosa mollis (Linnaeus) Bentham USA: Rhode Island East Providence: East Providence E. F. Williams 1895-7-28
GH: 00759223 Monarda media Willdenow USA: New Hampshire Hampton: Hampton E. F. Williams 1902-8-31
GH: 00581876 Nepeta cataria Linnaeus USA: New Hampshire Hampton: Hampton E. F. Williams 1 1902-8-31
GH: 00581896 Nepeta cataria Linnaeus USA: Vermont Hancock: Hancock E. F. Williams 1908-7-7
GH: 00581897 Nepeta cataria Linnaeus USA: Vermont Brandon: Brandon E. F. Williams 1 1908-5-24
GH: 00591280 Nepeta cataria Linnaeus USA: Massachusetts Nahant: Nahant E. F. Williams 1894-9-16
GH: 00591289 Nepeta cataria Linnaeus USA: Massachusetts Newton: Newton Lower Falls E. F. Williams 1897-8-29
GH: 00591290 Nepeta cataria Linnaeus USA: Massachusetts Barnstable Town E. F. Williams 1897-9-12
GH: 00759181 Nepeta cataria Linnaeus USA: Connecticut Rumford E. F. Williams 1903-9-6
GH: 00375483 Prunella vulgaris Linnaeus USA: Massachusetts Milton: Hillside St., Blue Hills Reserv. E. F. Williams 1895-6-30
GH: 00591108 Prunella vulgaris Linnaeus USA: Rhode Island Cumberland: Cumberland E. F. Williams 1903-9-13
GH: 00375483 Prunella vulgaris lanceolata (W. P. C. Barton) Piper & Beattie USA: Massachusetts Milton: Hillside St., Blue Hills Reserv. E. F. Williams 1895-6-30
GH: 00375483 Prunella vulgaris lanceolata (W. P. C. Barton) Fernald USA: Massachusetts Milton: Hillside St., Blue Hills Reserv. E. F. Williams 1895-6-30
GH: 00751729 Prunella vulgaris lanceolata (W. P. C. Barton) Fernald USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-28
NEBC: 00751732 Prunella vulgaris lanceolata (W. P. C. Barton) Fernald USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-28
GH: 00751740 Prunella vulgaris lanceolata (W. P. C. Barton) Fernald USA: New Hampshire Mount Washington E. F. Williams 1 1897-8-8
GH: 00751741 Prunella vulgaris lanceolata (W. P. C. Barton) Fernald USA: New Hampshire Mount Washington E. F. Williams 1 1903-7-23
GH: 00751767 Prunella vulgaris lanceolata (W. P. C. Barton) Fernald USA: New Hampshire Hampton: Hampton E. F. Williams 1901-9-22
GH: 00751791 Prunella vulgaris lanceolata (W. P. C. Barton) Fernald USA: Vermont Ripton: Ripton E. F. Williams 1908-7-3
GH: 00751825 Prunella vulgaris lanceolata (W. P. C. Barton) Fernald USA: Massachusetts Lincoln: Lincoln E. F. Williams 1898-8-28
GH: 00751865 Prunella vulgaris lanceolata (W. P. C. Barton) Fernald USA: Massachusetts Barnstable Town E. F. Williams 1896-7-5
NEBC: 00375487 Pycnanthemum flexuosum (Walter) Britton, Sterns & Poggenburg USA: Massachusetts Big Blue Hill, Blue Hills Reservn. E. F. Williams 1895-9-22
NEBC: 00375485 Pycnanthemum incanum (Linnaeus) Michaux USA: Massachusetts Blue Hills Reservn. E. F. Williams 1895-9-22
GH: 00443479 Pycnanthemum incanum (Linnaeus) Michaux USA: Massachusetts Summit of Blue Hill, Blue Hills Reserv. E. F. Williams 1895-9-22
GH: 00642201 Pycnanthemum incanum (Linnaeus) Michaux USA: Massachusetts Lincoln: Lincoln E. F. Williams 1896-8-29
GH: 00696684 Pycnanthemum incanum (Linnaeus) Michaux USA: Massachusetts Blue Hills Reservation E. F. Williams 1895-10-27
NEBC: 00375487 Pycnanthemum linifolium (Willdenow) Pursh USA: Massachusetts Big Blue Hill, Blue Hills Reservn. E. F. Williams 1895-9-22
GH: 00642251 Pycnanthemum muticum (Michaux) Persoon USA: Massachusetts Georgetown: Georgetown E. F. Williams 1906-7-18
NEBC: 00642266 Pycnanthemum muticum (Michaux) Persoon USA: Massachusetts Concord: Concord E. F. Williams 1896-9-27
NEBC: 00642267 Pycnanthemum muticum (Michaux) Persoon USA: Massachusetts Concord: Concord E. F. Williams 1894-10-21
NEBC: 00648497 Pycnanthemum muticum (Michaux) Persoon USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-20
NEBC: 00375487 Pycnanthemum tenuifolium Schrader USA: Massachusetts Big Blue Hill, Blue Hills Reservn. E. F. Williams 1895-9-22
GH: 00648591 Pycnanthemum tenuifolium Schrader USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-13
GH: 00648614 Pycnanthemum tenuifolium Schrader USA: Massachusetts Georgetown: Georgetown E. F. Williams 1906-8-9
NEBC: 00648636 Pycnanthemum tenuifolium Schrader USA: Massachusetts Norwood: Norwood E. F. Williams 1895-9-15
GH: 00648752 Pycnanthemum virginianum (Linnaeus) B. L. Robinson & Fernald USA: Massachusetts Boxford: Boxford E. F. Williams 1899-8-3
NEBC: 00648753 Pycnanthemum virginianum (Linnaeus) B. L. Robinson & Fernald USA: Massachusetts Boxford: Boxford E. F. Williams 1899-8-3
GH: 00648756 Pycnanthemum virginianum (Linnaeus) B. L. Robinson & Fernald USA: Massachusetts Newbury: Newbury E. F. Williams 1898-7-31
GH: 00648757 Pycnanthemum virginianum (Linnaeus) B. L. Robinson & Fernald USA: Massachusetts Concord: Concord E. F. Williams 1896-9-27
NEBC: 00648758 Pycnanthemum virginianum (Linnaeus) B. L. Robinson & Fernald USA: Massachusetts Arlington: Arlington, towards Zion's Hill E. F. Williams 1894-9-30
NEBC: 00648760 Pycnanthemum virginianum (Linnaeus) B. L. Robinson & Fernald USA: Massachusetts Concord: Concord E. F. Williams 1896-9-27
NEBC: 00648771 Pycnanthemum virginianum (Linnaeus) B. L. Robinson & Fernald USA: Massachusetts Dedham: Dedham E. F. Williams 1901-10-6
NEBC: 00648780 Pycnanthemum virginianum (Linnaeus) B. L. Robinson & Fernald USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-29
NEBC: 00648833 Pycnanthemum virginianum (Linnaeus) B. L. Robinson & Fernald USA: Connecticut Farmington: Farmington E. F. Williams 1902-8-2
NEBC: 00648849 Salvia officinalis Linnaeus USA: Rhode Island Portsmouth: Portsmouth E. F. Williams 1911-6-18
NEBC: 00691638 Satureja hortensis Linnaeus USA: Maine Van Buren: Van Buren E. F. Williams 1901-8-13
NEBC: 00648880 Scutellaria galericulata Linnaeus USA: Maine E. F. Williams 1 1900-7-28
GH: 00648919 Scutellaria galericulata Linnaeus USA: Maine Middle Dam E. F. Williams 1903-8-2
NEBC: 00686066 Scutellaria galericulata Linnaeus USA: Maine Cranberry Isles: Cranberry Isles E. F. Williams 1897-7-17
NEBC: 00686146 Scutellaria galericulata Linnaeus USA: New Hampshire Wentworth: Wentworth E. F. Williams 1908-7-29
GH: 00686147 Scutellaria galericulata Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-13
NEBC: 00686156 Scutellaria galericulata Linnaeus USA: New Hampshire Epsom: Epsom E. F. Williams 1902
GH: 00686175 Scutellaria galericulata Linnaeus USA: Vermont Willoughby E. F. Williams 1 1896-7-25
NEBC: 00686178 Scutellaria galericulata Linnaeus USA: Vermont Willoughby E. F. Williams 1896-7-22
GH: 00686194 Scutellaria galericulata Linnaeus USA: Vermont Norwich: Norwich E. F. Williams 1910-7-11
GH: 00686246 Scutellaria galericulata Linnaeus USA: Massachusetts Sharon: Sharon E. F. Williams 1896-7-5
GH: 00686254 Scutellaria galericulata Linnaeus USA: Massachusetts Barnstable Town E. F. Williams 1896-7-5
NEBC: 00375441 Scutellaria lateriflora Linnaeus USA: Massachusetts Boston: Stony Brook Reserv. [Hyde Park/West ... E. F. Williams 1896-9-13
GH: 00443499 Scutellaria lateriflora Linnaeus USA: Massachusetts Boston: Stony Brook Reserv. [Hyde Park/West ... E. F. Williams 1896-9-13
NEBC: 00686545 Scutellaria lateriflora Linnaeus USA: Maine Fort Kent: Fort Kent E. F. Williams 1 1900-7-26
NEBC: 00686572 Scutellaria lateriflora Linnaeus USA: Maine Lincoln: Lincoln E. F. Williams 2 1903-7-30
GH: 00686578 Scutellaria lateriflora Linnaeus USA: Maine Rangeley Lakes E. F. Williams 1903-8-2
NEBC: 00642704 Scutellaria lateriflora Linnaeus USA: Maine Litchfield: Litchfield E. F. Williams
GH: 00642726 Scutellaria lateriflora Linnaeus USA: New Hampshire Dummer: Dummer E. F. Williams 1895-7-29
GH: 00642729 Scutellaria lateriflora Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 1 1897-7-29
GH: 00642745 Scutellaria lateriflora Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-14
GH: 00642789 Scutellaria lateriflora Linnaeus USA: Vermont Hancock: Hancock E. F. Williams 1908-7-18
GH: 00762356 Scutellaria lateriflora Linnaeus USA: Massachusetts Boxford: Boxford E. F. Williams 1902-8-24
GH: 00762425 Scutellaria lateriflora Linnaeus USA: Massachusetts Ashfield: Ashfield E. F. Williams 1909-8-1
GH: 00762460 Scutellaria lateriflora Linnaeus USA: Rhode Island Tiverton: Tiverton E. F. Williams 1903-9-27
GH: 00707483 Stachys hispida Pursh USA: Massachusetts Boston: Hyde Park, Readville E. F. Williams 1900-9-23
GH: 00707511 Stachys hispida Pursh USA: Massachusetts Sharon: Sharon E. F. Williams 1896-7-12
NEBC: 00707514 Stachys hispida Pursh USA: Massachusetts Sharon: Sharon E. F. Williams 1896-7-12
NEBC: 00707567 Stachys hyssopifolia Michaux USA: Massachusetts Plymouth: Plymouth E. F. Williams 1909-8-14
NEBC: 00707576 Stachys hyssopifolia Michaux USA: Massachusetts Barnstable Town E. F. Williams 1896-9-6
NEBC: 00707583 Stachys hyssopifolia Michaux USA: Massachusetts Bourne: Bourne E. F. Williams 1901-9-15
GH: 01699337 Stachys palustris Linnaeus Canada: New Brunswick Saint John: [no additional data] E. F. Williams 1902-7-22
GH: 00002057 Stachys tenuifolia platyphylla Fernald USA: Vermont Norwich: Sandy shore of Connecticut River E. F. Williams 1910-7-11
GH: 00593995 Teucrium canadense Linnaeus USA: New Hampshire Rye: Rye E. F. Williams 1901-9-19
NEBC: 00593997 Teucrium canadense Linnaeus USA: New Hampshire Rye: Rye E. F. Williams 1901-9-19
NEBC: 00581008 Teucrium canadense Linnaeus USA: Massachusetts Rockport: Rockport E. F. Williams 1897-8-15
GH: 00581042 Teucrium canadense Linnaeus USA: Massachusetts Scituate: Scituate E. F. Williams 1897-9-6
NEBC: 00525049 Teucrium canadense Linnaeus USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-31
NEBC: 00525055 Teucrium canadense Linnaeus USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-23
NEBC: 00525057 Teucrium canadense Linnaeus USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-22
GH: 00525060 Teucrium canadense Linnaeus USA: Massachusetts Gloucester: Gloucester E. F. Williams 1897-8-15
GH: 00593956 Teucrium canadense occidentale (A. Gray) E.M. McClint. & Epling USA: Vermont Clarendon: Clarendon E. F. Williams 1902-7-30
NEBC: 00602406 Teucrium canadense virginicum (Linnaeus) Eaton USA: New Hampshire Walpole: Walpole E. F. Williams 1901-7-28
NEBC: 00612549 Teucrium occidentale boreale (E.P. Bicknell) Ferna USA: Massachusetts Rockport: Rockport E. F. Williams 1897-8-15
GH: 00612402 Thymus pulegioides Linnaeus USA: Massachusetts Topsfield: Topsfield E. F. Williams 1903-8-23
GH: 00612404 Thymus pulegioides Linnaeus USA: Massachusetts Bedford: Bedford Springs, Sweetwater place E. F. Williams 1907-8-17
NEBC: 00645068 Trichostema dichotomum Linnaeus USA: New Hampshire East Jaffrey E. F. Williams 1 1901-8-31
NEBC: 00645069 Trichostema dichotomum Linnaeus USA: New Hampshire Hampton: Hampton E. F. Williams 2 1901-9-22
GH: 00686649 Trichostema dichotomum Linnaeus USA: Massachusetts Weston: Weston E. F. Williams 1895-9-29
GH: 00630506 Trichostema dichotomum Linnaeus USA: Massachusetts Barnstable Town E. F. Williams 1896-9-7
GH: 00686635 Trichostema dichotomum Linnaeus USA: Rhode Island Rumford E. F. Williams 1 1903-9-6
Lauraceae NEBC: 00348284 Benzoin aestivale (Linnaeus) Nees USA: Massachusetts Boston: Stony Brook Reservation [Hyde Park/W... E. F. Williams 1896-9-13
NEBC: 00348229 Lindera benzoin (Linnaeus) Blume USA: Massachusetts Waltham: Prospect Hill E. F. Williams 1897-5-16
NEBC: 00348230 Lindera benzoin (Linnaeus) Blume USA: Massachusetts Blue Hills Reservation E. F. Williams 1894-9-3
NEBC: 00348284 Lindera benzoin (Linnaeus) Blume USA: Massachusetts Boston: Stony Brook Reservation [Hyde Park/W... E. F. Williams 1896-9-13
NEBC: 00348285 Lindera benzoin (Linnaeus) Blume USA: Massachusetts Norwood: Purgatory E. F. Williams 1895-6-23
GH: 00504994 Lindera benzoin (Linnaeus) Blume USA: Massachusetts Canton: Canton E. F. Williams 1895-5-5
GH: 00505003 Lindera benzoin (Linnaeus) Blume USA: Massachusetts Norwood: Norwood E. F. Williams 1895-9-15
NEBC: 00505070 Lindera benzoin (Linnaeus) Blume USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2
GH: 00505071 Lindera benzoin (Linnaeus) Blume USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2
NEBC: 00505082 Lindera benzoin (Linnaeus) Blume USA: Rhode Island Portsmouth: Portsmouth E. F. Williams 1911-6-18
NEBC: 00348233 Sassafras albidum (Nuttall) Nees USA: Massachusetts Boston: West Roxbury E. F. Williams 1897-5-30
NEBC: 00348296 Sassafras albidum (Nuttall) Nees USA: Massachusetts Milton: Hillside St., Blue Hills Reserv. E. F. Williams 1895-6-30
GH: 00674284 Sassafras albidum (Nuttall) Nees USA: Vermont Pownal: Pownal E. F. Williams 1560 1899-9-8
GH: 00683041 Sassafras albidum (Nuttall) Nees USA: Massachusetts Boston: West Roxbury, Cottage St. E. F. Williams 1896-4-12
GH: 00683042 Sassafras albidum (Nuttall) Nees USA: Massachusetts Norwood: Norwood E. F. Williams 1895-9-15
GH: 00674455 Sassafras albidum (Nuttall) Nees USA: Massachusetts Revere: Revere E. F. Williams 1895-4-19
GH: 00683043 Sassafras albidum (Nuttall) Nees USA: Massachusetts Revere: Revere E. F. Williams 1907-7-8
GH: 00683048 Sassafras albidum (Nuttall) Nees USA: Massachusetts Milton: Milton E. F. Williams 4 1896-9-27
GH: 00683058 Sassafras albidum (Nuttall) Nees USA: Massachusetts Milton: Milton E. F. Williams 1896-9-27
NEBC: 00683067 Sassafras albidum (Nuttall) Nees USA: Massachusetts Milton: Milton E. F. Williams 1896-9-27
NEBC: 00683134 Sassafras albidum (Nuttall) Nees USA: Massachusetts East Charlemont E. F. Williams 1909-8-4
GH: 00683176 Sassafras albidum (Nuttall) Nees USA: Rhode Island Cumberland: Cumberland E. F. Williams 1 1904-5-15
NEBC: 00683333 Sassafras albidum (Nuttall) Nees USA: Rhode Island North Kingstown: North Kingstown E. F. Williams 1908-6-17
NEBC: 00348233 Sassafras officinale Nees & Ebermaier USA: Massachusetts Boston: West Roxbury E. F. Williams 1897-5-30
NEBC: 00348296 Sassafras officinale Nees & Ebermaier USA: Massachusetts Milton: Hillside St., Blue Hills Reserv. E. F. Williams 1895-6-30
NEBC: 00348296 Sassafras variifolium (Salisbury) Kuntze USA: Massachusetts Milton: Hillside St., Blue Hills Reserv. E. F. Williams 1895-6-30
Lemnaceae GH: 00635994 Lemna minor Linnaeus USA: Massachusetts Woburn: Woburn, Horn Pond E. F. Williams 1896-10-11
NEBC: 00875110 Lemna minor Linnaeus USA: Massachusetts Nantucket: Nantucket E. F. Williams
NEBC: 00875262 Lemna trisulca Linnaeus USA: Massachusetts Lincoln: Lincoln E. F. Williams 1902-9-5
NEBC: 00875271 Lemna trisulca Linnaeus USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-23
GH: 00339856 Lemna valdiviana Philippi USA: Massachusetts Blue Hill river, Blue Hills Reserv., near Hu... E. F. Williams 1895-6-30
NEBC: 00678532 Lemna valdiviana Philippi USA: Massachusetts Sharon: Sharon E. F. Williams 1896-6-17
NEBC: 00678543 Lemna valdiviana Philippi USA: Massachusetts Falmouth: Falmouth E. F. Williams 1911-7-16
GH: 00875200 Spirodela polyrrhiza (Linnaeus) Schleiden USA: Massachusetts Boston: Hyde Park, Neponset River at Paul's ... E. F. Williams 1895-6-9
Lentibulariaceae NEBC: 00775271 Pinguicula vulgaris Linnaeus USA: Vermont Cambridge: Cambridge E. F. Williams 1897-7-5
NEBC: 00775275 Pinguicula vulgaris Linnaeus USA: Vermont Cambridge: Cambridge E. F. Williams 1897-7-5
GH: 00574915 Utricularia cornuta Michaux USA: Maine Fort Kent: Fort Kent E. F. Williams 1900-7-26
GH: 00568155 Utricularia cornuta Michaux USA: New Hampshire Crawfords E. F. Williams 1895-7-17
GH: 00568156 Utricularia cornuta Michaux USA: New Hampshire Wentworth: Wentworth E. F. Williams 1908-8-1
GH: 00568247 Utricularia cornuta Michaux USA: Massachusetts Tewksbury: Round Pond, Tewksbury E. F. Williams 1 1900-8-12
GH: 00568246 Utricularia cornuta Michaux USA: Massachusetts Falmouth: Falmouth E. F. Williams 2 1901-7-14
GH: 00574916 Utricularia cornuta Michaux USA: Maine Allagash River at Twin Brooks E. F. Williams 1900-7-28
NEBC: 00731532 Utricularia gibba Linnaeus USA: Massachusetts Wellesley: Wellesley E. F. Williams 1897-8-29
GH: 00731533 Utricularia gibba Linnaeus USA: Massachusetts Wellesley: Wellesley E. F. Williams 1897-8-29
NEBC: 00731559 Utricularia gibba Linnaeus USA: Massachusetts Barnstable Town E. F. Williams 1897-9-12
GH: 00731563 Utricularia gibba Linnaeus USA: Massachusetts Barnstable Town E. F. Williams 1897-9-12
NEBC: 00731565 Utricularia gibba Linnaeus USA: Massachusetts Barnstable Town E. F. Williams 1896-9-6
GH: 00731568 Utricularia gibba Linnaeus USA: Massachusetts Barnstable Town E. F. Williams 1896-9-6
NEBC: 00736266 Utricularia purpurea Walter USA: New Hampshire East Jaffrey E. F. Williams 1 1901-8-31
GH: 00736292 Utricularia purpurea Walter USA: Massachusetts Weston: Weston, Charles River, Riverside E. F. Williams 1898-8-6
GH: 00736340 Utricularia purpurea Walter USA: Massachusetts Barnstable Town E. F. Williams 2 1898-9-5
NEBC: 00664362 Utricularia radiata Small USA: Massachusetts Winchester: Winchester, Winter Pond E. F. Williams 1896-10-11
GH: 00664446 Utricularia resupinata B. D. Greene ex Bigelow USA: New Hampshire Wentworth: Wentworth E. F. Williams 1908-7-29
GH: 00664461 Utricularia resupinata B. D. Greene ex Bigelow USA: Massachusetts Tewksbury: Round Pond, Tewksbury E. F. Williams 3 1899-10-8
GH: 00664463 Utricularia resupinata B. D. Greene ex Bigelow USA: Massachusetts Tewksbury: Round Pond, Tewksbury E. F. Williams 2 1900-8-12
GH: 00664464 Utricularia resupinata B. D. Greene ex Bigelow USA: Massachusetts Tewksbury: Long Pond, Tewksbury E. F. Williams 4 1900-8-12
GH: 00775291 Utricularia subulata Linnaeus USA: Massachusetts Barnstable Town E. F. Williams 1898-9-4
GH: 00664589 Utricularia vulgaris macrorhiza (Leconte) R.T. Clausen USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-12
NEBC: 00664660 Utricularia vulgaris macrorhiza (Leconte) R.T. Clausen USA: Massachusetts Winchester: Winchester, Winter Pond E. F. Williams 1894-9-2
NEBC: 00736422 Utricularia vulgaris macrorhiza (Leconte) R.T. Clausen USA: Massachusetts Norwood: Norwood E. F. Williams 1896-6-21
GH: 00736424 Utricularia vulgaris macrorhiza (Leconte) R.T. Clausen USA: Massachusetts Norwood: Norwood E. F. Williams 1895-6-23
GH: 00736423 Utricularia vulgaris macrorhiza (Leconte) R.T. Clausen USA: Massachusetts Norwood: Norwood E. F. Williams 1896-6-21
Liliaceae NEBC: 00880398 Aletris farinosa Linnaeus USA: Massachusetts Falmouth: Falmouth E. F. Williams 1911-7-6
NEBC: 00880399 Aletris farinosa Linnaeus USA: Massachusetts West Falmouth E. F. Williams 1901-7-14
NEBC: 00817122 Aletris farinosa Linnaeus USA: Massachusetts Nantucket: Nantucket E. F. Williams 1903-9-20
GH: 00560340 Clintonia borealis (Aiton) Rafinesque USA: Maine Mt. Katahdin E. F. Williams 1900-7-11
NEBC: 00560418 Clintonia borealis (Aiton) Rafinesque USA: New Hampshire Gorham: Gorham E. F. Williams 1895-8-5
NEBC: 00560430 Clintonia borealis (Aiton) Rafinesque USA: New Hampshire Thompson and Meserves E. F. Williams 1893-7-13
NEBC: 00560431 Clintonia borealis (Aiton) Rafinesque USA: New Hampshire Sargents Purchase: Sargents Purchase E. F. Williams 1895-7-8
GH: 00560433 Clintonia borealis (Aiton) Rafinesque USA: New Hampshire Randolph: Randolph E. F. Williams 1896-7-31
NEBC: 00560439 Clintonia borealis (Aiton) Rafinesque USA: New Hampshire Crawford Notch E. F. Williams 1895-7-16
NEBC: 00560254 Clintonia borealis (Aiton) Rafinesque USA: New Hampshire Sargent's Purchase E. F. Williams 1895-7-8
GH: 00560506 Clintonia borealis (Aiton) Rafinesque USA: Vermont Mt. Mansfield E. F. Williams 1897-7-3
NEBC: 00560554 Clintonia borealis (Aiton) Rafinesque USA: Massachusetts Canton: Canton E. F. Williams 1902-5-25
GH: 00560608 Clintonia borealis (Aiton) Rafinesque USA: Massachusetts Ashfield: Ashfield E. F. Williams 1907-6-18
GH: 00560636 Clintonia borealis (Aiton) Rafinesque USA: Massachusetts Mt. Greylock E. F. Williams 1901-6-16
GH: 00560449 Clintonia borealis (Aiton) Rafinesque USA: New Hampshire Benton: Summit of Mt. Moosilauke E. F. Williams 1907-7-19
GH: 00567559 Convallaria majalis Linnaeus USA: Vermont Brandon: Brandon E. F. Williams 1908-5-21
GH: 00567577 Convallaria majalis Linnaeus USA: Massachusetts Franklin Town E. F. Williams 1904-5-29
NEBC: 00817219 Erythronium americanum Ker Gawler USA: New Hampshire Carroll: Carroll E. F. Williams 2 1898-6-20
GH: 00817247 Erythronium americanum Ker Gawler USA: Vermont Mount Willoughby E. F. Williams 1 1898-6-15
NEBC: 00817249 Erythronium americanum Ker Gawler USA: Vermont Mount Willoughby E. F. Williams 1898-6-15
GH: 00817259 Erythronium americanum Ker Gawler USA: Vermont Leicester: Leicester E. F. Williams 1908-5-22
NEBC: 00880584 Erythronium americanum Ker Gawler USA: Massachusetts Arlington: Arlington, Turkey Hill swamp E. F. Williams 1901-5-5
GH: 00880645 Erythronium americanum Ker Gawler USA: Massachusetts Hawley: Hawley E. F. Williams 1907-6-19
GH: 00567602 Hemerocallis fulva (Linnaeus) Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1908-7-27
GH: 00567614 Hemerocallis fulva (Linnaeus) Linnaeus USA: Vermont Ripton: Ripton E. F. Williams 1908-7-11
GH: 00567633 Hemerocallis fulva (Linnaeus) Linnaeus USA: Massachusetts Barnstable Town E. F. Williams 1896-7-5
NEBC: 00567634 Hemerocallis fulva (Linnaeus) Linnaeus USA: Massachusetts Barnstable Town E. F. Williams 1896-7-5
GH: 00567638 Hemerocallis fulva (Linnaeus) Linnaeus USA: Massachusetts Charlemont: Charlemont E. F. Williams 1907-7-10
GH: 00567645 Hemerocallis fulva (Linnaeus) Linnaeus USA: Rhode Island Middletown: Middletown E. F. Williams 1909-7-4
GH: 00567654 Hemerocallis lilioasphodelus Linnaeus USA: Massachusetts Buckland: Buckland E. F. Williams 1907-7-10
GH: 00573054 Lilium canadense Linnaeus USA: Connecticut Lenington E. F. Williams 1906-7-28
GH: 00673464 Lilium canadense Linnaeus USA: Maine Gilead: Gilead E. F. Williams 1906-7-2
GH: 00673487 Lilium canadense Linnaeus USA: New Hampshire Cambridge: Cambridge E. F. Williams 1906-7-25
NEBC: 00673499 Lilium canadense Linnaeus USA: New Hampshire Shelburne: Shelburne E. F. Williams 1906-7-23
NEBC: 00673501 Lilium canadense Linnaeus USA: New Hampshire Jefferson: Jefferson E. F. Williams 1895-7-20
NEBC: 00673340 Lilium canadense Linnaeus USA: Massachusetts Georgetown: Georgetown E. F. Williams 1906-7-14
NEBC: 00673360 Lilium canadense Linnaeus USA: Massachusetts Sudbury: Sudbury, Nobscot hill E. F. Williams 1901-7-7
GH: 00673408 Lilium canadense Linnaeus USA: Massachusetts Ashfield: Ashfield E. F. Williams 1907-7-13
NEBC: 00567675 Lilium lancifolium Thunberg USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-25
GH: 00567677 Lilium lancifolium Thunberg USA: Vermont Willoughby E. F. Williams 1896-7-22
NEBC: 00567679 Lilium lancifolium Thunberg USA: Vermont Willoughby E. F. Williams 1896-7-22
GH: 00567682 Lilium lancifolium Thunberg USA: Massachusetts Georgetown: Georgetown E. F. Williams 1906-7-5
GH: 00567683 Lilium lancifolium Thunberg USA: Massachusetts Groveland: Groveland E. F. Williams 1906-8-9
NEBC: 00567697 Lilium lancifolium Thunberg USA: Rhode Island Portsmouth: Portsmouth E. F. Williams 1911-6-18
GH: 00354176 Lilium philadelphicum Linnaeus USA: Massachusetts Milton: Randolph Ave., Blue Hills Reserv., M... E. F. Williams 1895-6-30
GH: 00880711 Lilium philadelphicum Linnaeus USA: Maine Bethel: Bethel E. F. Williams 1906-7-23
GH: 00880753 Lilium philadelphicum Linnaeus USA: Maine Kittery: Kittery E. F. Williams 1895-8-27
GH: 00880757 Lilium philadelphicum Linnaeus USA: Maine Mount Agamenticus E. F. Williams 1903-7-17
GH: 00880760 Lilium philadelphicum Linnaeus USA: Maine Shelburne E. F. Williams 1903-7-28
GH: 00880768 Lilium philadelphicum Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1907-7-22
GH: 00880769 Lilium philadelphicum Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1913-7-8
GH: 00880786 Lilium philadelphicum Linnaeus USA: New Hampshire Seabrook: Seabrook E. F. Williams 1898-8-7
GH: 00880805 Lilium philadelphicum Linnaeus USA: Vermont Ripton: Ripton E. F. Williams 1908-7-8
GH: 00880806 Lilium philadelphicum Linnaeus USA: Vermont Middlebury: Middlebury E. F. Williams 1908-7-8
NEBC: 01182589 Lilium philadelphicum Linnaeus USA: Massachusetts Boxford: Boxford E. F. Williams 1906-7-15
NEBC: 01182591 Lilium philadelphicum Linnaeus USA: Massachusetts Georgetown: Georgetown E. F. Williams 1906-7-11
NEBC: 01182602 Lilium philadelphicum Linnaeus USA: Massachusetts Middleton: Middleton E. F. Williams 1906-7-16
NEBC: 01182643 Lilium philadelphicum Linnaeus USA: Massachusetts Barnstable Town E. F. Williams 1896-7-5
NEBC: 01182676 Lilium philadelphicum Linnaeus USA: Massachusetts Charlemont: Charlemont E. F. Williams 1907-7-10
GH: 00029963 Lilium philadelphicum flaviflorum E. F. Williams USA: New Hampshire Warren: E. F. Williams 1913-7-8
GH: 00880875 Lilium superbum Linnaeus USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-29
NEBC: 00880876 Lilium superbum Linnaeus USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-29
NEBC: 00880877 Lilium superbum Linnaeus USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-29
NEBC: 00354119 Maianthemum canadense Desfontaines USA: Massachusetts Wilmington: E. F. Williams 1902-5-19
NEBC: 00505303 Maianthemum canadense Desfontaines USA: Maine Mt. Katahdin E. F. Williams 1900-7-9
GH: 00505383 Maianthemum canadense Desfontaines USA: New Hampshire Mount Washington E. F. Williams 1 1893-7-13
NEBC: 00505386 Maianthemum canadense Desfontaines USA: New Hampshire Mount Washington E. F. Williams 1895-7-11
GH: 00505382 Maianthemum canadense Desfontaines USA: New Hampshire Mount Washington E. F. Williams 2 1895-7-8
GH: 00505384 Maianthemum canadense Desfontaines USA: New Hampshire Mount Washington E. F. Williams 3 1895-7-10
GH: 00505385 Maianthemum canadense Desfontaines USA: New Hampshire Mount Washington E. F. Williams 4 1895-7-11
GH: 00505434 Maianthemum canadense Desfontaines USA: New Hampshire Rye: Rye E. F. Williams 1903-6-14
GH: 00505467 Maianthemum canadense Desfontaines USA: Vermont Mt. Mansfield E. F. Williams 1897-7-3
NEBC: 00505495 Maianthemum canadense Desfontaines USA: Massachusetts Manchester: Manchester E. F. Williams 1895-8-18
NEBC: 00505629 Maianthemum canadense Desfontaines USA: Massachusetts Mt. Greylock E. F. Williams 1901-6-16
NEBC: 00505672 Maianthemum canadense Desfontaines USA: Rhode Island Portsmouth: Portsmouth E. F. Williams 1911-6-18
GH: 00660111 Maianthemum racemosum (Linnaeus) Link USA: New Hampshire Warren: Warren E. F. Williams 1908-7-26
GH: 00817321 Maianthemum racemosum (Linnaeus) Link USA: Vermont Willoughby E. F. Williams 1898-6-10
GH: 00817430 Maianthemum racemosum (Linnaeus) Link USA: Massachusetts Williamstown: Williamstown E. F. Williams 1901-6-15
GH: 00868261 Maianthemum racemosum (Linnaeus) Link USA: Rhode Island Cumberland: Cumberland E. F. Williams 1903-9-13
NEBC: 00817902 Maianthemum stellatum (Linnaeus) Link USA: Maine Allagash River E. F. Williams 1900-7-28
GH: 01182896 Maianthemum stellatum (Linnaeus) Link USA: Massachusetts Barnstable Town E. F. Williams 1895-6-16
GH: 01182897 Maianthemum stellatum (Linnaeus) Link USA: Massachusetts Revere: Revere E. F. Williams 1897-5-23
NEBC: 01182898 Maianthemum stellatum (Linnaeus) Link USA: Massachusetts Revere: Revere E. F. Williams 1896-8-22
GH: 00868283 Maianthemum trifolium (Linnaeus) Sloboda USA: Maine Wissataquoik Valley E. F. Williams 2 1900-7-17
GH: 00868284 Maianthemum trifolium (Linnaeus) Sloboda USA: Maine Cranberry Isles: Cranberry Isles E. F. Williams 1899-7-20
GH: 00868373 Maianthemum trifolium (Linnaeus) Sloboda USA: New Hampshire Mount Monadnock E. F. Williams 1894-6-17
GH: 00868388 Maianthemum trifolium (Linnaeus) Sloboda USA: Vermont Mount Mansfield E. F. Williams 1897-7-4
NEBC: 00868389 Maianthemum trifolium (Linnaeus) Sloboda USA: Vermont Mount Mansfield E. F. Williams 1897-7-2
NEBC: 00564242 Ornithogalum umbellatum Linnaeus USA: Rhode Island Portsmouth: Portsmouth E. F. Williams 1911-6-18
GH: 01049004 Polygonatum pubescens (Willdenow) Pursh USA: New Hampshire Warren: Warren E. F. Williams 1908-7-28
GH: 01049063 Polygonatum pubescens (Willdenow) Pursh USA: Vermont Brandon: Brandon E. F. Williams 1 1908-5-21
NEBC: 00868851 Polygonatum pubescens (Willdenow) Pursh USA: Massachusetts Plum Island E. F. Williams 1 1899-8-4
NEBC: 01049087 Polygonatum pubescens (Willdenow) Pursh USA: Massachusetts Lincoln: Lincoln, Mt. Tabor E. F. Williams 1898-5-1
NEBC: 01049094 Polygonatum pubescens (Willdenow) Pursh USA: Massachusetts Woburn: Woburn E. F. Williams 1895-5-12
NEBC: 00868544 Polygonatum pubescens (Willdenow) Pursh USA: Massachusetts Norwood: Norwood E. F. Williams 1 1895-6-23
NEBC: 00868834 Polygonatum pubescens (Willdenow) Pursh USA: Massachusetts Norwood: Norwood E. F. Williams 2 1895-9-15
GH: 00868596 Polygonatum pubescens (Willdenow) Pursh USA: Massachusetts Ashfield: Ashfield E. F. Williams 1909-8-8
GH: 00868630 Polygonatum pubescens (Willdenow) Pursh USA: Rhode Island Lonsdale E. F. Williams 1904-5-15
GH: 00655901 Scilla siberica Andrews USA: Massachusetts Concord: Concord E. F. Williams 1905-4-23
GH: 00655902 Scilla siberica Andrews USA: Massachusetts Concord: Concord, on G. F. Wheeler farm E. F. Williams 1908-5-10
NEBC: 00810077 Streptopus amplexifolius (Linnaeus) de Candolle USA: New Hampshire Benton: Benton E. F. Williams 1907-7-19
NEBC: 00810096 Streptopus amplexifolius (Linnaeus) de Candolle USA: New Hampshire Jefferson: Jefferson E. F. Williams 1895-7-20
NEBC: 00810098 Streptopus amplexifolius (Linnaeus) de Candolle USA: New Hampshire Mount Washington E. F. Williams 1901-8-6
NEBC: 00810099 Streptopus amplexifolius (Linnaeus) de Candolle USA: New Hampshire Mount Washington E. F. Williams 1895-7-8
NEBC: 00810104 Streptopus amplexifolius (Linnaeus) de Candolle USA: New Hampshire Crawford E. F. Williams 1895-7-16
GH: 01030779 Streptopus amplexifolius (Linnaeus) de Candolle USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
NEBC: 01030809 Streptopus lanceolatus (Aiton) Reveal USA: Maine Mount Katahdin E. F. Williams 1900-7-10
NEBC: 01030869 Streptopus lanceolatus (Aiton) Reveal USA: New Hampshire Mount Washington E. F. Williams 1893-7-12
NEBC: 01030872 Streptopus lanceolatus (Aiton) Reveal USA: New Hampshire Sargents E. F. Williams 1895-7-8
NEBC: 01030874 Streptopus lanceolatus (Aiton) Reveal USA: New Hampshire Mount Madison E. F. Williams 1895-7-23
GH: 01030895 Streptopus lanceolatus (Aiton) Reveal USA: New Hampshire Mount Moosilauke E. F. Williams 1907-7-19
NEBC: 01030995 Streptopus lanceolatus (Aiton) Reveal USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
NEBC: 00575931 Trillium cernuum Linnaeus USA: Massachusetts Woburn: Woburn, Shaker Glen E. F. Williams 1895-5-12
NEBC: 00575935 Trillium cernuum Linnaeus USA: Massachusetts Canton: Canton E. F. Williams 1893-5-21
NEBC: 00575954 Trillium cernuum Linnaeus USA: Massachusetts Scituate: Scituate E. F. Williams 1899-8-13
NEBC: 01044180 Trillium erectum Linnaeus USA: New Hampshire Mount Madison E. F. Williams 1895-7-23
GH: 00810274 Trillium erectum Linnaeus USA: Vermont Brandon: Brandon E. F. Williams 1 1908-5-21
GH: 00869367 Trillium erectum Linnaeus USA: Massachusetts Ashfield: Ashfield E. F. Williams 1907-6-18
GH: 00869384 Trillium erectum Linnaeus USA: Connecticut Southington: Southington E. F. Williams 1901-5-30
GH: 00655829 Trillium grandiflorum (Michaux) Salisbury USA: Vermont Sudbury: Sudbury E. F. Williams 1908-5-23
GH: 00655833 Trillium grandiflorum (Michaux) Salisbury USA: Massachusetts Concord: Concord E. F. Williams 1898-5-8
NEBC: 00810393 Trillium undulatum Willdenow USA: Maine Mount Katahdin E. F. Williams 1900-7-9
GH: 00810409 Trillium undulatum Willdenow USA: Maine Grafton E. F. Williams 1 1895-7-26
NEBC: 00810417 Trillium undulatum Willdenow USA: Maine Mount Aziscoos E. F. Williams 1 1903-7-31
NEBC: 00810457 Trillium undulatum Willdenow USA: New Hampshire Mount Clinton E. F. Williams 1895-7-18
NEBC: 00810555 Trillium undulatum Willdenow USA: Vermont Mount Mansfield E. F. Williams 1897-7-2
GH: 00810564 Trillium undulatum Willdenow USA: Vermont Leicester: Leicester E. F. Williams 1908-5-22
NEBC: 00810599 Trillium undulatum Willdenow USA: Massachusetts Norwood: Norwood E. F. Williams 1895-5-19
GH: 00810649 Trillium undulatum Willdenow USA: Massachusetts Ashfield: Ashfield E. F. Williams 1907-6-18
GH: 00810732 Uvularia grandiflora Smith USA: Vermont Brandon: Brandon E. F. Williams 1908-5-22
GH: 00810724 Uvularia grandiflora Smith USA: Vermont Sudbury: Sudbury E. F. Williams 1908-5-23
NEBC: 00810723 Uvularia grandiflora Smith USA: Vermont Sudbury: Sudbury E. F. Williams 1908-5-23
GH: 00810775 Uvularia perfoliata Linnaeus USA: Massachusetts Georgetown: Georgetown E. F. Williams 1899-8-1
NEBC: 00810776 Uvularia perfoliata Linnaeus USA: Massachusetts Georgetown: Georgetown E. F. Williams 1899-8-1
GH: 00810798 Uvularia perfoliata Linnaeus USA: Massachusetts Sudbury: Sudbury E. F. Williams 1900-5-30
NEBC: 00810805 Uvularia perfoliata Linnaeus USA: Massachusetts Revere: Revere E. F. Williams 1895-5-26
NEBC: 00810810 Uvularia perfoliata Linnaeus USA: Massachusetts Revere: Revere E. F. Williams 1897-6-12
NEBC: 00810813 Uvularia perfoliata Linnaeus USA: Massachusetts Revere: Revere E. F. Williams 1897-5-23
GH: 00869541 Uvularia sessilifolia Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1907-7-31
GH: 00869561 Uvularia sessilifolia Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 2 1896-8-14
GH: 00868967 Uvularia sessilifolia Linnaeus USA: New Hampshire Willoughby Mountain E. F. Williams 1 1896-7-21
NEBC: 00869644 Uvularia sessilifolia Linnaeus USA: Vermont Willoughby E. F. Williams 1896-7-21
NEBC: 00869677 Uvularia sessilifolia Linnaeus USA: Massachusetts Chestnut Hill [Boston/Brookline/Newton] E. F. Williams 1895-5-30
NEBC: 00869702 Uvularia sessilifolia Linnaeus USA: Massachusetts Woburn: Woburn, Shaker Glen E. F. Williams 1895-5-12
NEBC: 00869703 Uvularia sessilifolia Linnaeus USA: Massachusetts Canton: Canton E. F. Williams 1895-5-5
NEBC: 00869714 Uvularia sessilifolia Linnaeus USA: Massachusetts Norwood: Norwood E. F. Williams 1895-6-23
NEBC: 00869863 Veratrum viride Aiton USA: New Hampshire Mount Washington E. F. Williams 1897-8-4
GH: 00869882 Veratrum viride Aiton USA: Vermont Willoughby Mountain E. F. Williams 1896-7-24
GH: 00869926 Veratrum viride Aiton USA: Massachusetts Ashfield: Ashfield E. F. Williams 1909-7-18
Linaceae NEBC: 00741225 Linum intercursum E. P. Bicknell USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-26
NEBC: 00741224 Linum intercursum E. P. Bicknell USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-30
NEBC: 00741226 Linum intercursum E. P. Bicknell USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-29
NEBC: 00741258 Linum medium texanum (Planchon) Fernald USA: Massachusetts Barnstable Town E. F. Williams 1896-9-7
GH: 02053941 Linum striatum Walter USA: New Jersey Locust [Middletown Township] E. F. Williams 1900-9-2
GH: 00761139 Linum usitatissimum Linnaeus USA: Maine Fort Fairfield: Fort Fairfield E. F. Williams 1901-8-16
NEBC: 00761140 Linum usitatissimum Linnaeus USA: Maine Fort Fairfield: Fort Fairfield E. F. Williams 1901-8-16
NEBC: 00761219 Linum usitatissimum Linnaeus USA: Massachusetts Barnstable: Barnstable E. F. Williams 1896-7-5
GH: 00761221 Linum usitatissimum Linnaeus USA: Massachusetts Barnstable: Barnstable E. F. Williams 1896-7-5
GH: 00586514 Linum usitatissimum Linnaeus USA: Massachusetts Revere: Revere E. F. Williams 1896-6-28
GH: 00761220 Linum usitatissimum Linnaeus USA: Massachusetts Blue Hills Reservation E. F. Williams 1895-10-27
GH: 00415112 Linum virginianum Linnaeus USA: Massachusetts Quincy: near Babel rock, Blue Hills Reserv. E. F. Williams 1895-9-2
NEBC: 00415114 Linum virginianum Linnaeus USA: Massachusetts Quincy: near Babel Rock, Blue Hills Reservn. E. F. Williams 1895-9-2
NEBC: 01070611 Linum virginianum Linnaeus USA: Massachusetts Sharon: Sharon E. F. Williams 1896-7-12
NEBC: 01070648 Linum virginianum Linnaeus USA: Massachusetts Falmouth: Falmouth E. F. Williams 1911-7-11
NEBC: 01070649 Linum virginianum Linnaeus USA: Massachusetts Falmouth: Falmouth E. F. Williams 1911-7-12
GH: 01070657 Linum virginianum Linnaeus USA: Massachusetts Barnstable Town E. F. Williams 1896-9-7
GH: 01070679 Linum virginianum Linnaeus USA: Rhode Island Rumford E. F. Williams 1903-9-6
Lobeliaceae GH: 00375951 Lobelia cardinalis Linnaeus USA: Massachusetts Blue Hills Reservation E. F. Williams 1895-8-11
GH: 00820608 Lobelia cardinalis Linnaeus USA: New Hampshire Wentworth: Wentworth E. F. Williams 1908-7-29
NEBC: 00820658 Lobelia cardinalis Linnaeus USA: Massachusetts South Georgetown E. F. Williams 1899-8-1
GH: 00820821 Lobelia dortmanna Linnaeus USA: Maine Mount Desert (Hancock County): Mount Desert E. F. Williams 1899-7-25
GH: 00820895 Lobelia dortmanna Linnaeus USA: New Hampshire Wentworth: Wentworth E. F. Williams 1908-7-29
NEBC: 00820966 Lobelia dortmanna Linnaeus USA: Massachusetts Barnstable Town E. F. Williams 1896-7-4
GH: 00820967 Lobelia dortmanna Linnaeus USA: Massachusetts Barnstable Town E. F. Williams 1896-7-4
GH: 00820999 Lobelia dortmanna Linnaeus USA: Rhode Island Cumberland: Cumberland E. F. Williams
GH: 01798127 Lobelia inflata Linnaeus Canada: New Brunswick Grand Falls E. F. Williams 1901-8-14
NEBC: 00755442 Lobelia inflata Linnaeus USA: Maine Northeast Harbor E. F. Williams 1910-8-4
GH: 00698755 Lobelia inflata Linnaeus USA: New Hampshire Jefferson: Jefferson E. F. Williams 1895-7-20
GH: 00698775 Lobelia inflata Linnaeus USA: New Hampshire Walpole: Walpole E. F. Williams 1901-7-28
GH: 00698774 Lobelia inflata Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1908-7-22
GH: 00698830 Lobelia inflata Linnaeus USA: Vermont Ripton: Ripton E. F. Williams 1908-7-15
GH: 00698831 Lobelia inflata Linnaeus USA: Vermont Salisbury: Salisbury E. F. Williams 1908-7-14
GH: 00698832 Lobelia inflata Linnaeus USA: Vermont Granville: Granville E. F. Williams 1908-7-18
GH: 00698869 Lobelia inflata Linnaeus USA: Massachusetts Woburn: Woburn E. F. Williams 1895-9-1
GH: 00698939 Lobelia inflata Linnaeus USA: Rhode Island Rumford E. F. Williams 1903-9-6
GH: 01966013 Lobelia inflata Linnaeus USA: Maine On the Allegash river near Twin Brooks E. F. Williams 1900-7-28
GH: 01966014 Lobelia inflata Linnaeus USA: Maine Mount Desert (Hancock County): Beech Hill E. F. Williams 1899-7-27
GH: 01966015 Lobelia inflata Linnaeus USA: Maine Fort Kent: [no additional data] E. F. Williams 1900-8-1
GH: 01798338 Lobelia kalmii Linnaeus Canada: New Brunswick Mouth of the Limestone River, Four Falls E. F. Williams 1901-8-14
NEBC: 00691092 Lobelia kalmii Linnaeus USA: Maine Fort Kent: Fort Kent E. F. Williams 2 1900-8-1
NEBC: 00691091 Lobelia kalmii Linnaeus USA: Maine Allagash: Allagash E. F. Williams 1 1900-7-27
GH: 00691124 Lobelia kalmii Linnaeus USA: New Hampshire Walpole: Walpole E. F. Williams 1 1901-7-28
GH: 01798978 Lobelia siphilitica Linnaeus USA: New York Scarsdale E. F. Williams 1906-8-12
NEBC: 00375958 Lobelia spicata Lamarck USA: Massachusetts Blue Hills Reservn. E. F. Williams 1895-8-11
NEBC: 00725283 Lobelia spicata Lamarck USA: Massachusetts Sharon: Sharon E. F. Williams 1896-7-12
Loranthaceae GH: 00648279 Arceuthobium pusillum Peck USA: Maine Fort Kent: Fort Kent E. F. Williams 1 1901-8-10
Lycopodiaceae GH: 00647789 Dendrolycopodium dendroideum (Michaux) A. Haines USA: New Hampshire Randolph: Randolph E. F. Williams 1893-7-24
GH: 00647831 Dendrolycopodium dendroideum (Michaux) A. Haines USA: Vermont Ripton: Ripton E. F. Williams 1908-7-7
GH: 00647832 Dendrolycopodium dendroideum (Michaux) A. Haines USA: Vermont Wallingford: Wallingford E. F. Williams 1908-5-25
NEBC: 00647759 Dendrolycopodium dendroideum (Michaux) A. Haines USA: Maine Middle Dam E. F. Williams 1903-1-2
NEBC: 00740078 Dendrolycopodium hickeyi (W. H. Wagner, Beitel & R. C. Moran) A. Haines USA: Massachusetts Falmouth: Falmouth E. F. Williams 1911-7-14
GH: 00139370 Diphasiastrum complanatum (Linnaeus) Holub USA: New Hampshire "Cape Horn", Mount Washington E. F. Williams 1903-7-23
NEBC: 00214050 Diphasiastrum digitatum (Dillenius ex A. Braun) Holub USA: Vermont Ripton: Bread Loaf Inn E. F. Williams 1908-7-7
NEBC: 00214208 Diphasiastrum digitatum (Dillenius ex A. Braun) Holub USA: Massachusetts Burlington: E. F. Williams 1898-11-20
NEBC: 00214292 Diphasiastrum digitatum (Dillenius ex A. Braun) Holub USA: Massachusetts Falmouth: Jenkins Pond E. F. Williams 1911-7-14
NEBC: 00135942 Diphasiastrum digitatum (Dillenius ex A. Braun) Holub USA: New Hampshire Warren: Breezy Point E. F. Williams 1908-7-22
GH: 00214367 Diphasiastrum digitatum (Dillenius ex A. Braun) Holub USA: Massachusetts Colrain: Catamount Hill near the dens E. F. Williams 1909-8-4
NEBC: 00214137 Diphasiastrum digitatum (Dillenius ex A. Braun) Holub USA: Vermont Wallingford: E. F. Williams 1908-5-25
NEBC: 00214205 Diphasiastrum digitatum (Dillenius ex A. Braun) Holub USA: Massachusetts Georgetown: South Georgetown E. F. Williams 1899-8-2
NEBC: 00214573 Diphasiastrum habereri (House) Holub USA: Maine Fort Kent: Stevens Mountain E. F. Williams 1901-8-11
GH: 02163585 Diphasiastrum sabinifolium (Willdenow) Holub Canada: New Brunswick Grand Falls E. F. Williams 1901-8-14
NEBC: 00214647 Diphasiastrum sabinifolium (Willdenow) Holub USA: Maine Fort Kent: Stevens Mountain E. F. Williams 1901-8-11
GH: 00214653 Diphasiastrum sabinifolium (Willdenow) Holub USA: Maine Fort Kent: Stevens Mountain E. F. Williams 1900-7-22
GH: 00214798 Diphasiastrum sitchense (Ruprecht) Holub USA: New Hampshire Mount Washington, off the carriage road near... E. F. Williams 1901-8
NEBC: 00214792 Diphasiastrum sitchense (Ruprecht) Holub USA: Maine Fort Kent: Stevens Mountain E. F. Williams 1900-7-22
GH: 02163745 Diphasiastrum tristachyum (Pursh) Holub Canada: New Brunswick in St. Francis Parish E. F. Williams 1900-7-29
GH: 00216717 Diphasiastrum tristachyum (Pursh) Holub USA: Massachusetts Ashfield: Bronson's Hill E. F. Williams 1909-7-20
NEBC: 00214890 Diphasiastrum tristachyum (Pursh) Holub USA: Maine Mount Desert (Hancock County): Near Jordan P... E. F. Williams 1893-9-3
NEBC: 00139507 Diphasiastrum tristachyum (Pursh) Holub USA: Massachusetts Burlington: E. F. Williams 1898-11-20
GH: 00216777 Diphasiastrum verecundum A. V. Gilman USA: Maine Southwest Harbor: Mount Desert Island, Beech... E. F. Williams 1899-7-27
GH: 00216776 Diphasiastrum verecundum A. V. Gilman USA: New Hampshire Randolph: Near C. Reed E. F. Williams 1893-7-24
NEBC: 00354500 Huperzia appalachiana Mickel & Beitel USA: New Hampshire Thompson & Meserves Purchase: Summit of Mt. ... E. F. Williams 1896-8-11
NEBC: 00354500 Huperzia appressa (Desvaux) A. Löve & D. Löve USA: New Hampshire Thompson & Meserves Purchase: Summit of Mt. ... E. F. Williams 1896-8-11
NEBC: 00733082 Huperzia appressa (Desvaux) A. Löve & D. Löve USA: Vermont Mount Mansfield E. F. Williams 1897-7-2
NEBC: 00733095 Huperzia appressa (Desvaux) A. Löve & D. Löve USA: Vermont Underhill: Underhill E. F. Williams 1897-7-7
NEBC: 00354499 Huperzia josephbeitelii A. Haines USA: New Hampshire "Cape Horn" Mt. Washington E. F. Williams 1896-8-6
NEBC: 00743636 Huperzia josephbeitelii A. Haines USA: New Hampshire Mount Washington E. F. Williams 1895-7-7
NEBC: 00743694 Huperzia lucidula (Michaux) Trevisan USA: Maine Mount Azicoos E. F. Williams 1903-1-31
GH: 00661369 Huperzia lucidula (Michaux) Trevisan USA: Vermont Hancock: Hancock E. F. Williams 1908-7-5
GH: 00661370 Huperzia lucidula (Michaux) Trevisan USA: Vermont Leicester: Leicester E. F. Williams 1908
NEBC: 00354499 Huperzia sp. USA: New Hampshire "Cape Horn" Mt. Washington E. F. Williams 1896-8-6
NEBC: 00354445 Lycopodiella copelandii (Eiger) Cranfill USA: Massachusetts Barnstable: Craigville E. F. Williams 1898-9-5
NEBC: 00354446 Lycopodiella inundata (Linnaeus) Holub USA: Massachusetts Tewksbury: Round Pond E. F. Williams 1899-10-8
NEBC: 00720834 Lycopodium clavatum Linnaeus USA: Maine Fort Kent: Fort Kent E. F. Williams 1900-7-22
GH: 00720838 Lycopodium clavatum Linnaeus USA: Maine Fort Kent: Fort Kent E. F. Williams 1900-7-22
GH: 00720870 Lycopodium clavatum Linnaeus USA: Maine North Oxford E. F. Williams 1903-8-2
NEBC: 00690556 Lycopodium clavatum Linnaeus USA: New Hampshire Mount Washington E. F. Williams 1901-8-6
GH: 00690648 Lycopodium clavatum Linnaeus USA: Vermont Ripton: Ripton E. F. Williams 1908-7-6
GH: 00690737 Lycopodium clavatum Linnaeus USA: Massachusetts Heath: Heath E. F. Williams 1909-7-17
GH: 00216777 Lycopodium complanatum Linnaeus USA: Maine Southwest Harbor: Mount Desert Island, Beech... E. F. Williams 1899-7-27
GH: 00216777 Lycopodium complanatum flabelliforme Fernald USA: Maine Southwest Harbor: Mount Desert Island, Beech... E. F. Williams 1899-7-27
NEBC: 00354445 Lycopodium inundatum bigelovii Tuckerman USA: Massachusetts Barnstable: Craigville E. F. Williams 1898-9-5
NEBC: 00354446 Lycopodium inundatum bigelovii Tuckerman USA: Massachusetts Tewksbury: Round Pond E. F. Williams 1899-10-8
NEBC: 00772221 Lycopodium lagopus (Laestadius ex C. Hartman) G. Zinserling ex Kuzeneva USA: New Hampshire Mount Washington E. F. Williams 1903-7-23
NEBC: 00772253 Lycopodium lagopus (Laestadius ex C. Hartman) G. Zinserling ex Kuzeneva USA: New Hampshire Mount Moosilauke E. F. Williams 1908-8-3
NEBC: 00354500 Lycopodium selago Linnaeus USA: New Hampshire Thompson & Meserves Purchase: Summit of Mt. ... E. F. Williams 1896-8-11
NEBC: 00354499 Lycopodium selago Linnaeus USA: New Hampshire "Cape Horn" Mt. Washington E. F. Williams 1896-8-6
GH: 00216777 Lycopodium sp. USA: Maine Southwest Harbor: Mount Desert Island, Beech... E. F. Williams 1899-7-27
GH: 02076428 Spinulum annotinum (Linnaeus) A. Haines Canada: Nova Scotia Cape Breton Island: Pass between Big Bras d'... E. F. Williams 1912-9-13
GH: 00742288 Spinulum annotinum (Linnaeus) A. Haines USA: Maine Mount Katahdin E. F. Williams 1 1900-7-11
GH: 00742317 Spinulum annotinum (Linnaeus) A. Haines USA: Maine Middle Dam E. F. Williams 1903-8-2
NEBC: 00742383 Spinulum annotinum (Linnaeus) A. Haines USA: New Hampshire Mount Washington E. F. Williams 1895-7-8
NEBC: 00742385 Spinulum annotinum (Linnaeus) A. Haines USA: New Hampshire Mount Washington E. F. Williams 1 1903-7-23
NEBC: 00742393 Spinulum annotinum (Linnaeus) A. Haines USA: New Hampshire Randolph: Randolph E. F. Williams 1893-7-24
GH: 00632296 Spinulum annotinum (Linnaeus) A. Haines USA: Massachusetts Ashfield: Ashfield E. F. Williams 1909-8-2
NEBC: 00632373 Spinulum canadense (Nessel) A. Haines USA: New Hampshire Mount Washington E. F. Williams 1903-7-23
NEBC: 00632375 Spinulum canadense (Nessel) A. Haines USA: New Hampshire Mount Washington E. F. Williams 1893-7-8
NEBC: 00632377 Spinulum canadense (Nessel) A. Haines USA: New Hampshire Mount Washington E. F. Williams 1895-7-10
NEBC: 00632378 Spinulum canadense (Nessel) A. Haines USA: New Hampshire Mount Washington E. F. Williams 1895-7-8
GH: 00632380 Spinulum canadense (Nessel) A. Haines USA: New Hampshire Mount Washington E. F. Williams 1901-8-5
Lythraceae GH: 00415802 Decodon verticillatus (Linnaeus) Elliott USA: Massachusetts Boston: Stony Brook Reservation [Hyde Park/W... E. F. Williams 1896-8-23
GH: 00415803 Decodon verticillatus (Linnaeus) Elliott USA: Massachusetts Boston: Stony Brook Reservation [Hyde Park/W... E. F. Williams 1896-8-23
NEBC: 01026294 Decodon verticillatus (Linnaeus) Elliott USA: Massachusetts Newton: Newton, Charles River E. F. Williams 1897-9-5
GH: 01026295 Decodon verticillatus (Linnaeus) Elliott USA: Massachusetts Charles River E. F. Williams 1897-9-5
GH: 01013979 Decodon verticillatus (Linnaeus) Elliott USA: Massachusetts Barnstable Town E. F. Williams 1897-9-12
GH: 00415803 Decodon verticillatus laevigatus Torrey & A. Gray USA: Massachusetts Boston: Stony Brook Reservation [Hyde Park/W... E. F. Williams 1896-8-23
NEBC: 00612301 Lythrum hyssopifolia Linnaeus USA: Maine York: York E. F. Williams 1898-7-24
GH: 00612311 Lythrum hyssopifolia Linnaeus USA: New Hampshire Newcastle E. F. Williams 1901-9-19
NEBC: 00612336 Lythrum hyssopifolia Linnaeus USA: Massachusetts Revere: Revere E. F. Williams 1896-6-28
NEBC: 00612342 Lythrum hyssopifolia Linnaeus USA: Massachusetts Revere: Revere E. F. Williams 1896-6-28
NEBC: 00577413 Lythrum salicaria Linnaeus USA: Massachusetts Boston: Boston, Brookline Ave E. F. Williams 1910-8-20
NEBC: 00576250 Lythrum salicaria Linnaeus USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-23
NEBC: 00576251 Lythrum salicaria Linnaeus USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-23
GH: 00717992 Rotala ramosior (Linnaeus) Koehne USA: Massachusetts Sharon: Sharon E. F. Williams 1899-9-10
NEBC: 00717996 Rotala ramosior (Linnaeus) Koehne USA: Massachusetts Sharon: Sharon E. F. Williams 1899-9-10
NEBC: 00717999 Rotala ramosior (Linnaeus) Koehne USA: Massachusetts Sharon: Sharon E. F. Williams 1899-9-10
NEBC: 00725002 Rotala ramosior (Linnaeus) Koehne USA: Massachusetts Sharon: Sharon E. F. Williams 1899-9-10
GH: 00283768 Trapa natans Linnaeus USA: Massachusetts Concord: Sudbury River E. F. Williams 1908-8-16
NEBC: 00283771 Trapa natans Linnaeus USA: Massachusetts Concord: Sudbury River E. F. Williams 1908-8-16
GH: 00283772 Trapa natans Linnaeus USA: Massachusetts Concord: Sudbury River E. F. Williams 1896-9-20
GH: 00577311 Trapa natans Linnaeus USA: Massachusetts Concord: Concord E. F. Williams 1908-8-16
Magnoliaceae GH: 00217765 Magnolia acuminata (Linnaeus) Linnaeus USA: Massachusetts Plymouth: Watson Place E. F. Williams 1910-9-11
NEBC: 00217767 Magnolia acuminata (Linnaeus) Linnaeus USA: Massachusetts Ashfield: E. F. Williams 1909-8-8
NEBC: 00217771 Magnolia tripetala (Linnaeus) Linnaeus USA: Massachusetts Plymouth: Watson place E. F. Williams 1910-9-11
NEBC: 00217783 Magnolia virginiana Linnaeus USA: Massachusetts Gloucester: Magnolia, Cape Ann E. F. Williams 1896-6-13
NEBC: 00217784 Magnolia virginiana Linnaeus USA: Massachusetts Gloucester: Magnolia E. F. Williams 1896-6-13
Malvaceae GH: 00751257 Abutilon theophrasti Medikus USA: Massachusetts Boston: Boston, Parker St E. F. Williams 1896-8-27
NEBC: 00751260 Abutilon theophrasti Medikus USA: Massachusetts Boston: Boston, Back Bay E. F. Williams 1896-8-27
GH: 00751259 Abutilon theophrasti Medikus USA: Massachusetts Boston: Hyde Park, Readville E. F. Williams 1900-9-23
GH: 00751283 Abutilon theophrasti Medikus USA: New Jersey Locust: Locust E. F. Williams 1 1900-9-1
GH: 00761360 Alcea rosea Linnaeus USA: Maine Fort Fairfield: Fort Fairfield E. F. Williams 1901-8-18
NEBC: 00761372 Alcea rosea Linnaeus USA: Rhode Island Middletown: Middletown E. F. Williams 1911-6-17
NEBC: 00675674 Gossypium hirsutum Linnaeus USA: Massachusetts Cambridge: Cambridge, Huron Avenue E. F. Williams 1910-9-12
NEBC: 00675675 Gossypium hirsutum Linnaeus USA: Massachusetts Cambridge: Cambridge, Huron Avenue E. F. Williams 1910-9-12
GH: 00660428 Hibiscus moscheutos Linnaeus USA: Massachusetts Scituate: Scituate E. F. Williams 1897-9-6
GH: 00660429 Hibiscus moscheutos Linnaeus USA: Massachusetts Scituate: Scituate E. F. Williams 1897-9-6
NEBC: 00660430 Hibiscus moscheutos Linnaeus USA: Massachusetts Scituate: Scituate E. F. Williams 1899-8-13
GH: 00660454 Hibiscus moscheutos Linnaeus USA: Massachusetts Barnstable Town E. F. Williams 1896-9-7
GH: 02201215 Hibiscus moscheutos Linnaeus USA: New Jersey Locust [Middletown Township] E. F. Williams 1900-9-2
GH: 00751307 Hibiscus trionum Linnaeus USA: Massachusetts Dedham: Dedham E. F. Williams 1897-8-22
GH: 02201683 Malva aegyptia Linnaeus Canada: New Brunswick On geo. Everett farm - Establ. 42 yrs. Aroos... E. F. Williams 1901-8-17
GH: 00761405 Malva alcea Linnaeus USA: Massachusetts Walpole: Walpole E. F. Williams 1897-9-26
GH: 00761541 Malva heterophylla Linnaeus USA: Maine Ashland: Ashland E. F. Williams 1901-8-9
GH: 00761544 Malva heterophylla Linnaeus USA: Maine Upton: Upton E. F. Williams 1906-7-24
GH: 00761545 Malva heterophylla Linnaeus USA: New Hampshire Cambridge: Cambridge E. F. Williams 1906-7-25
GH: 00761554 Malva heterophylla Linnaeus USA: Massachusetts Middletown E. F. Williams 1909-7-5
GH: 00761556 Malva laciniata Linnaeus USA: Vermont Willoughby E. F. Williams 1 1896-7-26
GH: 00586517 Malva laciniata Linnaeus USA: Vermont Willoughby E. F. Williams 2 1896-7-26
GH: 00761557 Malva laciniata Linnaeus USA: Vermont Ripton: Ripton E. F. Williams 1908-7-7
GH: 00761558 Malva laciniata Linnaeus USA: Vermont Ripton: Ripton E. F. Williams 1908-7-7
GH: 00761560 Malva laciniata Linnaeus USA: Massachusetts Barnstable Town E. F. Williams 1896-7-4
GH: 00761595 Malva neglecta Wallroth USA: New Hampshire Hampton: Hampton E. F. Williams 1902-8-31
GH: 00761650 Malva neglecta Wallroth USA: Massachusetts Barnstable: Barnstable E. F. Williams 1896-7-5
NEBC: 00761685 Malva neglecta Wallroth USA: Rhode Island Tiverton: Tiverton E. F. Williams 1903-9-27
GH: 00761718 Malva verticillata Linnaeus USA: Vermont Burlington: Burlington E. F. Williams 1 1896-7-14
GH: 00679302 Sida hermaphrodita (Linnaeus) Rusby USA: Massachusetts Boston: Boston, Edge of Back Bay Fens E. F. Williams 1900-8-24
Marchantiaceae FH: 00506509 Marchantia polymorpha Linnaeus USA: New Hampshire Mt. Washington: [data not captured] E. F. Williams 1895-7-10
FH: 00506510 Marchantia polymorpha Linnaeus USA: New Hampshire Crawford Notch (Carroll County): [no additio... E. F. Williams 1895-7-16
FH: 00506513 Marchantia polymorpha Linnaeus USA: New Hampshire Mt. Washington: [data not captured] E. F. Williams 1893-7
Marsileaceae NEBC: 00579754 Marsilea quadrifolia Linnaeus USA: Massachusetts Concord: Concord river E. F. Williams 1896-9-20
NEBC: 00579755 Marsilea quadrifolia Linnaeus USA: Massachusetts Concord: Concord E. F. Williams 1899-9-17
GH: 00579756 Marsilea quadrifolia Linnaeus USA: Massachusetts Concord: Concord E. F. Williams 1893
NEBC: 00579753 Marsilea quadrifolia Linnaeus USA: Massachusetts Concord: Concord E. F. Williams 1899-9-17
Melastomataceae GH: 01069599 Rhexia virginica Linnaeus USA: Massachusetts Concord: Concord E. F. Williams 1908-8-9
NEBC: 01069627 Rhexia virginica Linnaeus USA: Massachusetts Wellesley: Wellesley E. F. Williams 1897-8-29
Mniaceae FH: 00900061 Rhizomnium punctatum (Hedwig) T. J. Koponen USA: New Hampshire [data not captured] E. F. Williams 1898-7-2
Moraceae NEBC: 00354891 Morus alba Linnaeus USA: Massachusetts Milton: Hillside St., Blue Hills Reservation E. F. Williams 1895-8-11
NEBC: 00354897 Morus alba Linnaeus USA: Massachusetts Canton: Old Houghton place, Blue Hills Reser... E. F. Williams 1899-5-21
NEBC: 00359005 Morus alba Linnaeus USA: Massachusetts Canton: Old Houghton place, Blue Hills Reser... E. F. Williams 1899-5-21
GH: 00741162 Morus rubra Linnaeus USA: Massachusetts Arlington: Arlington Heights E. F. Williams 1894-9-30
Myricaceae NEBC: 00354544 Comptonia peregrina (Linnaeus) J. M. Coulter USA: Massachusetts Blue Hills Reservation E. F. Williams 1896-4-26
NEBC: 00354549 Comptonia peregrina (Linnaeus) J. M. Coulter USA: Massachusetts Middlesex Fells Reserv. E. F. Williams 1895-4-19
NEBC: 00354550 Comptonia peregrina (Linnaeus) J. M. Coulter USA: Massachusetts Canton: Pecunit St. E. F. Williams 1895-5-5
NEBC: 00354551 Comptonia peregrina (Linnaeus) J. M. Coulter USA: Massachusetts Newton: Hammond pond woods, Chestnut Hill E. F. Williams 1895-11-3
NEBC: 00354554 Comptonia peregrina (Linnaeus) J. M. Coulter USA: Massachusetts Milton: Wildcat notch, Blue Hills Reservatio... E. F. Williams 1896-4-26
NEBC: 00354555 Comptonia peregrina (Linnaeus) J. M. Coulter USA: Massachusetts Holbrook: E. F. Williams 1899-6-18
NEBC: 00666755 Comptonia peregrina (Linnaeus) J. M. Coulter USA: Massachusetts Arlington: Arlington E. F. Williams 1895-6-2
GH: 00443480 Morella carolinensis (Miller) Small USA: Massachusetts Blue Hills Reserv. E. F. Williams 1895-8-11
GH: 00563508 Morella pensylvanica (Mirbel) Kartesz USA: Connecticut Lyme: Lyme E. F. Williams 1905-6-17
GH: 00563278 Morella pensylvanica (Mirbel) Kartesz USA: Maine Portland: Portland E. F. Williams 1910-8-3
NEBC: 00563350 Morella pensylvanica (Mirbel) Kartesz USA: Massachusetts Milton: Milton E. F. Williams 1896-5-24
NEBC: 00563356 Morella pensylvanica (Mirbel) Kartesz USA: Massachusetts Dedham: Dedham E. F. Williams 1895-3-24
NEBC: 00563355 Morella pensylvanica (Mirbel) Kartesz USA: Massachusetts Centreville E. F. Williams 1895-6-17
NEBC: 00354544 Myrica asplenifolia Linnaeus USA: Massachusetts Blue Hills Reservation E. F. Williams 1896-4-26
NEBC: 00354549 Myrica asplenifolia Linnaeus USA: Massachusetts Middlesex Fells Reserv. E. F. Williams 1895-4-19
NEBC: 00354550 Myrica asplenifolia Linnaeus USA: Massachusetts Canton: Pecunit St. E. F. Williams 1895-5-5
NEBC: 00354551 Myrica asplenifolia Linnaeus USA: Massachusetts Newton: Hammond pond woods, Chestnut Hill E. F. Williams 1895-11-3
NEBC: 00354554 Myrica asplenifolia Linnaeus USA: Massachusetts Milton: Wildcat notch, Blue Hills Reservatio... E. F. Williams 1896-4-26
NEBC: 00354555 Myrica asplenifolia Linnaeus USA: Massachusetts Holbrook: E. F. Williams 1899-6-18
GH: 00443480 Myrica carolinensis Miller USA: Massachusetts Blue Hills Reserv. E. F. Williams 1895-8-11
GH: 00443480 Myrica cerifera Linnaeus USA: Massachusetts Blue Hills Reserv. E. F. Williams 1895-8-11
NEBC: 00354563 Myrica gale Linnaeus USA: Massachusetts edge of Blue Hill river, Blue Hills Reservat... E. F. Williams 1896-4-26
GH: 00443496 Myrica gale Linnaeus USA: Massachusetts Randolph: Blue Hill River at Ponkapoag trail... E. F. Williams 1896-4-26
GH: 00563903 Myrica gale Linnaeus USA: Maine Fort Kent: Fort Kent E. F. Williams 1900-7-21
GH: 00563904 Myrica gale Linnaeus USA: Maine Madawaska: Madawaska E. F. Williams 1900-8-2
GH: 00565042 Myrica gale Linnaeus USA: New Hampshire Wentworth: Wentworth E. F. Williams 1908-7-29
NEBC: 00565169 Myrica gale Linnaeus USA: Massachusetts Wareham: Wareham E. F. Williams 1895-3-31
NEBC: 00565168 Myrica gale Linnaeus USA: Massachusetts Blue Hills Reservation E. F. Williams 1895-6-30
NEBC: 00565175 Myrica gale Linnaeus USA: Massachusetts Barnstable: Barnstable E. F. Williams 1896-4-19
NEBC: 00565177 Myrica gale Linnaeus USA: Massachusetts Barnstable: Barnstable E. F. Williams 1896-7-5
GH: 00565185 Myrica gale Linnaeus USA: Massachusetts Barnstable: Barnstable E. F. Williams 1896-4-19
NEBC: 00565207 Myrica gale Linnaeus USA: Massachusetts Gosnold: Gosnold E. F. Williams 1911-7-10
GH: 00565094 Myrica gale Linnaeus USA: Vermont Willoughby: [no additional data] E. F. Williams 1896-7-22
NEBC: 00565095 Myrica gale Linnaeus USA: Vermont Willoughby: [no additional data] E. F. Williams 1896-7-22
Najadaceae NEBC: 01009984 Najas flexilis (Willdenow) Rostkoius & W. L. E. Schmidt USA: Maine Falmouth: Falmouth E. F. Williams 1903-8-13
NEBC: 01032005 Najas flexilis (Willdenow) Rostkoius & W. L. E. Schmidt USA: Massachusetts Wenham: Wenham E. F. Williams
GH: 01032016 Najas flexilis (Willdenow) Rostkoius & W. L. E. Schmidt USA: Massachusetts Canton: Canton E. F. Williams 1894-9-3
NEBC: 01032029 Najas flexilis (Willdenow) Rostkoius & W. L. E. Schmidt USA: Massachusetts Barnstable Town E. F. Williams 2 1896-9-4
GH: 01032047 Najas flexilis (Willdenow) Rostkoius & W. L. E. Schmidt USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2
NEBC: 01010689 Najas gracillima (A. Braun ex Engelmann) Magnus USA: Massachusetts Needham: Needham E. F. Williams
Nyctaginaceae NEBC: 00771044 Mirabilis nyctaginea (Michaux) MacMillan USA: Massachusetts Dedham: Dedham E. F. Williams 1901-7-21
Nymphaeaceae NEBC: 00832818 Nuphar microphylla (Persoon) Fernald USA: Massachusetts Concord: Concord, Sudbury river E. F. Williams 1908-8-16
NEBC: 00832819 Nuphar microphylla (Persoon) Fernald USA: Massachusetts E. F. Williams
GH: 00832820 Nuphar microphylla (Persoon) Fernald USA: Massachusetts Concord: Concord,Sudbury river E. F. Williams 1908-8-16
GH: 00832821 Nuphar microphylla (Persoon) Fernald USA: Massachusetts Concord: Concord, Sudbury river E. F. Williams 1908-8-16
GH: 00832825 Nuphar microphylla (Persoon) Fernald USA: Massachusetts Concord: Concord, Sudbury river E. F. Williams 1893-10-8
GH: 01014279 Nuphar rubrodisca Morong USA: Massachusetts Concord: Concord, Sudbury river E. F. Williams 1908-8-16
GH: 01031993 Nuphar rubrodisca Morong USA: Massachusetts Concord: Concord, Sudbury river E. F. Williams 1908-9-5
GH: 01014280 Nuphar rubrodisca Morong USA: Massachusetts Concord: Concord, Subury river E. F. Williams 1908-8-16
NEBC: 01014281 Nuphar rubrodisca Morong USA: Massachusetts Concord: Concord, Sudbury River E. F. Williams 3324 1908-8-16
GH: 00834121 Nuphar variegata Engelmann ex Durand USA: Maine Mount Desert Island E. F. Williams 1899-7-25
GH: 01014070 Nuphar variegata Engelmann ex Durand USA: New Hampshire Crawford E. F. Williams 1898-7-4
GH: 01014076 Nuphar variegata Engelmann ex Durand USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-12
NEBC: 01014077 Nuphar variegata Engelmann ex Durand USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-12
GH: 01014078 Nuphar variegata Engelmann ex Durand USA: New Hampshire Wentworth: Wentworth E. F. Williams 1908-7-29
GH: 00832873 Nuphar variegata Engelmann ex Durand USA: Vermont Norwich: Norwich E. F. Williams 1910-7-15
NEBC: 01014140 Nuphar variegata Engelmann ex Durand USA: Massachusetts Norwood: Norwood E. F. Williams 1897-8-22
GH: 01014365 Nymphaea odorata Aiton USA: New Hampshire Wentworth: Wentworth E. F. Williams 1908-7-29
NEBC: 01014366 Nymphaea odorata Aiton USA: New Hampshire Wentworth: Wentworth E. F. Williams 1908-7-29
GH: 01014385 Nymphaea odorata Aiton USA: Vermont Norwich: Norwich E. F. Williams 1910-7-15
NEBC: 01014386 Nymphaea odorata Aiton USA: Vermont Norwich: Norwich E. F. Williams 1910-7-15
GH: 01014678 Nymphaea odorata Aiton USA: Massachusetts Barnstable Town E. F. Williams 1897-9-12
GH: 01014684 Nymphaea odorata Aiton USA: Massachusetts Barnstable Town E. F. Williams 1895-6-16
Nyssaceae GH: 01010445 Nyssa sylvatica Marshall USA: Massachusetts Norwood: Norwood E. F. Williams 1895-6-23
NEBC: 01010514 Nyssa sylvatica Marshall USA: Massachusetts Gosnold: Gosnold E. F. Williams 1911-7-10
GH: 01010571 Nyssa sylvatica Marshall USA: Connecticut Lyme: Lyme E. F. Williams 1905-6-17
Oleaceae GH: 01847704 Fraxinus americana Linnaeus Canada: Nova Scotia Middle River E. F. Williams 1912-9-12
NEBC: 00375208 Fraxinus americana Linnaeus USA: Massachusetts Canton: Hemenway farm E. F. Williams 1896-4-5
NEBC: 00375209 Fraxinus americana Linnaeus USA: Massachusetts Milton: Hillside St., Blue Hills Reservation E. F. Williams 1896-4-26
NEBC: 00375210 Fraxinus americana Linnaeus USA: Massachusetts Middlesex Fells Reservation E. F. Williams 1896-5-3
GH: 00602095 Fraxinus americana Linnaeus USA: Maine Mount Desert Island: Mount Desert Island E. F. Williams 1910-8-5
GH: 00593639 Fraxinus americana Linnaeus USA: New Hampshire Jefferson: Jefferson E. F. Williams 1895-7-30
NEBC: 00593799 Fraxinus americana Linnaeus USA: Massachusetts Winchester: Winchester E. F. Williams 1897-5-9
NEBC: 00593805 Fraxinus americana Linnaeus USA: Massachusetts Woburn: Woburn E. F. Williams 1897-5-9
NEBC: 00593804 Fraxinus americana Linnaeus USA: Massachusetts Winchester: Winchester E. F. Williams 1897-5-9
NEBC: 01076822 Fraxinus pennsylvanica Marshall USA: Massachusetts Newton: Charles River, Auburndale E. F. Williams 1897-9-5
GH: 01076823 Fraxinus pennsylvanica Marshall USA: Massachusetts Newton: Charles River, Auburndale E. F. Williams 516 1897-5-17
NEBC: 01076834 Fraxinus pennsylvanica Marshall USA: Massachusetts Newton: Newton, In Charles river E. F. Williams 1897-5-16
NEBC: 01076854 Fraxinus pennsylvanica Marshall USA: Massachusetts Newton: Newton, Charles River, Auburndale E. F. Williams 1897-5-16
GH: 00578887 Ligustrum vulgare Linnaeus USA: Massachusetts Arlington: Arlington E. F. Williams 1894-9-30
GH: 00578886 Ligustrum vulgare Linnaeus USA: Massachusetts Winchester: Winchester, Horn Pond Mt. E. F. Williams 1896-10-11
GH: 00578902 Ligustrum vulgare Linnaeus USA: Rhode Island North Kingstown: North Kingstown E. F. Williams 1908-6-17
GH: 00578903 Ligustrum vulgare Linnaeus USA: Rhode Island Middletown: Middletown E. F. Williams 1908-5-31
GH: 01850673 Ligustrum vulgare Linnaeus USA: New Jersey Locust E. F. Williams 1 1900-6-16
GH: 00593583 Syringa vulgaris Linnaeus USA: New Hampshire Jaffrey: Jaffrey E. F. Williams 1905-5-2
GH: 00593587 Syringa vulgaris Linnaeus USA: Vermont Brandon: Brandon E. F. Williams 1908-5-21
GH: 00593597 Syringa vulgaris Linnaeus USA: Massachusetts Wilmington: Wilmington E. F. Williams 1899-5-14
GH: 00598610 Syringa vulgaris Linnaeus USA: Massachusetts Wilmington: Wilmington E. F. Williams 1899-6-11
GH: 00593610 Syringa vulgaris Linnaeus USA: Massachusetts Williamsburg: Williamsburg E. F. Williams 1907-6-16
NEBC: 00593612 Syringa vulgaris Linnaeus USA: Rhode Island Portsmouth: Portsmouth E. F. Williams 1911-6-18
GH: 00593614 Syringa vulgaris Linnaeus USA: Connecticut Lyme: Lyme E. F. Williams 1905-6-17
Onagraceae NEBC: 01039410 Chamaenerion angustifolium (Linnaeus) Scopoli USA: New Hampshire Mount Washington E. F. Williams 1897-8-8
GH: 01618764 Chamerion angustifolium circumvagum (Mosquin) Hoch USA: New Hampshire Randolph: [no additional data] E. F. Williams 1896-7-31
GH: 01618765 Chamerion angustifolium circumvagum (Mosquin) Hoch USA: Vermont Westmore: Willoughby notch E. F. Williams 1896-7-18
GH: 01618767 Chamerion angustifolium circumvagum (Mosquin) Hoch USA: New Hampshire Oakes Gulf above timberline, Mt. Washington E. F. Williams 1895-7-8
GH: 01618770 Chamerion angustifolium circumvagum (Mosquin) Hoch USA: New Hampshire Randolph: [no additional data] E. F. Williams 1895-8-1
GH: 01618771 Chamerion angustifolium circumvagum (Mosquin) Hoch USA: Maine Hamlin: Toussaint Stream E. F. Williams 1901-8-14
GH: 01618773 Chamerion angustifolium circumvagum (Mosquin) Hoch USA: Maine Rangeley Plantation: [no additional data] E. F. Williams 1903-8-3
GH: 01618780 Chamerion angustifolium circumvagum (Mosquin) Hoch USA: Massachusetts Buckland: [no additional data] E. F. Williams 1907-7-10
GH: 01074033 Circaea alpina Linnaeus USA: Maine North-East Harbor E. F. Williams 2 1899-7-27
GH: 01074008 Circaea alpina Linnaeus USA: Maine Mount Desert Island E. F. Williams 1 1899-7-20
NEBC: 01074035 Circaea alpina Linnaeus USA: Maine Cranberry Isles: Cranberry Isles E. F. Williams 1899-7-20
NEBC: 01074081 Circaea alpina Linnaeus USA: New Hampshire Hart's Location: Hart's Location E. F. Williams 1895-7-19
GH: 01039976 Circaea alpina Linnaeus USA: Massachusetts Norwood: Norwood E. F. Williams 1895-6-23
NEBC: 01039977 Circaea alpina Linnaeus USA: Massachusetts Norwood: Norwood E. F. Williams 1895-6-23
GH: 01073617 Circaea canadensis canadensis (Linnaeus) Hill USA: Maine York: York E. F. Williams 1898-7-24
GH: 01073628 Circaea canadensis canadensis (Linnaeus) Hill USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-17
GH: 01073633 Circaea canadensis canadensis (Linnaeus) Hill USA: New Hampshire West Lebanon E. F. Williams 1910-7-11
GH: 01073669 Circaea canadensis canadensis (Linnaeus) Hill USA: Vermont East Middlebury E. F. Williams 1908-7-14
GH: 01073695 Circaea canadensis canadensis (Linnaeus) Hill USA: Massachusetts Boxford: Boxford E. F. Williams 1906-7-15
GH: 01073696 Circaea canadensis canadensis (Linnaeus) Hill USA: Massachusetts South Georgetown E. F. Williams 1899-8-2
NEBC: 01073698 Circaea canadensis canadensis (Linnaeus) Hill USA: Massachusetts South Georgetown E. F. Williams 1899-8-2
GH: 01073725 Circaea canadensis canadensis (Linnaeus) Hill USA: Massachusetts Newton: Newton, Hammond pond E. F. Williams 1895-11-3
GH: 01073724 Circaea canadensis canadensis (Linnaeus) Hill USA: Massachusetts Woburn: Woburn, Shaker Glen E. F. Williams 1895-9-1
NEBC: 01073743 Circaea canadensis canadensis (Linnaeus) Hill USA: Massachusetts Westwood: Westwood E. F. Williams 1901-7-21
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