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Cyperaceae
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