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Index of Botanical Specimens

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Asteraceae
NEBC: 00359746 Hieracium paniculatum Linnaeus USA: Massachusetts Blue Hills Reservation E. F. Williams 1895-8-11

GH: 00833481 Hieracium paniculatum Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1908-7-26

GH: 00833511 Hieracium paniculatum Linnaeus USA: Vermont Granville: Granville E. F. Williams 1908-7-18

GH: 00833512 Hieracium paniculatum Linnaeus USA: Vermont Ripton: Ripton E. F. Williams 1908-7-11

NEBC: 00833652 Hieracium scabrum Michaux USA: Maine Mount Aziscohos E. F. Williams 1903-7-31

NEBC: 01028913 Hieracium scabrum Michaux USA: New Hampshire White Mountains E. F. Williams 1900

GH: 01028915 Hieracium scabrum Michaux USA: New Hampshire Randolph: Randolph E. F. Williams 1895-8-3

GH: 01071481 Hieracium scabrum Michaux USA: Vermont Ripton: Ripton E. F. Williams 1908-7-17

GH: 01071482 Hieracium scabrum Michaux USA: Vermont Hancock: Hancock E. F. Williams 1908-7-18

GH: 01071489 Hieracium scabrum Michaux USA: Vermont Rutland: Rutland E. F. Williams 1361 1899-8-29

GH: 01071498 Hieracium scabrum Michaux USA: Massachusetts Tewksbury: Tewksbury E. F. Williams 1901-10-27

GH: 01071499 Hieracium scabrum Michaux USA: Massachusetts Newbury: Newbury E. F. Williams 1 1899-8-7

GH: 01071522 Hieracium scabrum Michaux USA: Massachusetts Cohasset: Cohasset E. F. Williams 1901-8-25

GH: 01071549 Hieracium scabrum Michaux USA: Massachusetts Barnstable Town E. F. Williams 1898-9-5

GH: 01071559 Hieracium scabrum Michaux USA: Massachusetts Nantucket: Nantucket E. F. Williams 1 1894-9-9

GH: 00833812 Hieracium scabrum Michaux USA: Rhode Island Rumford E. F. Williams 1 1903-9-6

NEBC: 00359754 Hieracium venosum Linnaeus USA: Massachusetts Blue Hills Reservation E. F. Williams 1895-6-9

NEBC: 01071717 Hieracium venosum Linnaeus USA: Massachusetts Norwood: Norwood E. F. Williams 1899-6-4

GH: 01071589 Hieracium venosum Linnaeus USA: Massachusetts Barnstable Town E. F. Williams 1896-7-5

NEBC: 01071590 Hieracium venosum Linnaeus USA: Massachusetts Barnstable Town E. F. Williams 1896-7-5

GH: 01071612 Hieracium venosum Linnaeus USA: Massachusetts Falmouth: Falmouth E. F. Williams 1911-7-6

NEBC: 01071613 Hieracium venosum Linnaeus USA: Massachusetts Falmouth: Falmouth E. F. Williams 1911-7-6

GH: 01071633 Hieracium venosum Linnaeus USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-21

NEBC: 01071634 Hieracium venosum Linnaeus USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-21

GH: 01071670 Hieracium venosum Linnaeus USA: Rhode Island North Kingstown: North Kingstown E. F. Williams 1908-6-18

GH: 01833173 Hieracium venosum Linnaeus USA: New Jersey Locust: [data not captured] E. F. Williams 1900-6-17

GH: 00637881 Inula helenium Linnaeus USA: Maine York: [no additional data] E. F. Williams 1903-7-17

GH: 00637890 Inula helenium Linnaeus USA: New Hampshire Hanover: [no additional data] E. F. Williams 1910-7-13

GH: 00637895 Inula helenium Linnaeus USA: New Hampshire Warren: [no additional data] E. F. Williams 1910-7-31

GH: 00637902 Inula helenium Linnaeus USA: Vermont Maidstone: [no additional data] E. F. Williams 1906-7-28

NEBC: 00637917 Inula helenium Linnaeus USA: Massachusetts Boxford: [no additional data] E. F. Williams 1899-8-8

NEBC: 00637920 Inula helenium Linnaeus USA: Massachusetts Newbury: [no additional data] E. F. Williams 1899-8-7

NEBC: 00637921 Inula helenium Linnaeus USA: Massachusetts Newbury: [no additional data] E. F. Williams 1899-8-7

NEBC: 00359436 Ionactis linariifolia (Linnaeus) Greene USA: Massachusetts Blue Hills Reserv. Near Gardners Swamp E. F. Williams 1894-9-23

NEBC: 01015317 Ionactis linariifolius (Linnaeus) Greene USA: Massachusetts Waltham: Waltham, N. of Prospect Hill E. F. Williams 1895-10-6

GH: 01028032 Iva frutescens Linnaeus USA: Massachusetts Newbury: Newbury E. F. Williams 1899-8-7

NEBC: 01028033 Iva frutescens Linnaeus USA: Massachusetts Newbury: Newbury E. F. Williams 1902-8-24

NEBC: 01028049 Iva frutescens Linnaeus USA: Massachusetts Revere: Revere E. F. Williams 1896-8-30

GH: 01028050 Iva frutescens Linnaeus USA: Massachusetts Revere: Revere E. F. Williams 1896-8-30

GH: 01017372 Iva frutescens Linnaeus USA: Massachusetts Barnstable Town E. F. Williams 1896-9-7

NEBC: 01017373 Iva frutescens Linnaeus USA: Massachusetts Barnstable Town E. F. Williams 1896-9-7

GH: 01017397 Iva frutescens Linnaeus USA: Connecticut Guilford: Guilford E. F. Williams 1891-8-13

GH: 00718328 Iva xanthifolia Nuttall USA: Massachusetts Cambridge: Cambridge, on Brookline Street E. F. Williams 1910-8-20

NEBC: 00443410 Krigia virginica (Linnaeus) Willdenow USA: Massachusetts Boston: Stony Brook Reservation, Bearberry h... E. F. Williams 1897-5-30

NEBC: 00680336 Krigia virginica (Linnaeus) Willdenow USA: Massachusetts Lincoln: Lexington, Mt. Tabor [Mt. Tabor is ... E. F. Williams 1897-6-6

NEBC: 00680359 Krigia virginica (Linnaeus) Willdenow USA: Massachusetts Norwood: Norwood E. F. Williams 1 1905-5-19

GH: 00680447 Krigia virginica (Linnaeus) Willdenow USA: Rhode Island Middletown: Middletown E. F. Williams 1908-5-31

GH: 00680458 Krigia virginica (Linnaeus) Willdenow USA: Connecticut Lyme: Lyme E. F. Williams 1905-6-17

GH: 00680480 Krigia virginica (Linnaeus) Willdenow USA: Connecticut Stratford: Stratford E. F. Williams 2 1901-6-9

NEBC: 00833834 Lactuca biennis (Moench) Fernald USA: Maine Phillips: Phillips E. F. Williams 1903-8-4

GH: 01070042 Lactuca biennis (Moench) Fernald USA: New Hampshire Randolph: Randolph E. F. Williams 1896-8-1

NEBC: 01070043 Lactuca biennis (Moench) Fernald USA: New Hampshire Randolph: Randolph E. F. Williams 1896-7-31

GH: 01070092 Lactuca biennis (Moench) Fernald USA: Massachusetts Scituate: Scituate E. F. Williams 1901-9-8

GH: 01070096 Lactuca canadensis Linnaeus USA: Maine York: York E. F. Williams 1898-7-25

NEBC: 01070105 Lactuca canadensis Linnaeus USA: New Hampshire E. F. Williams 1900

GH: 01070118 Lactuca canadensis Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 1 1896-8-1

GH: 01070119 Lactuca canadensis Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 2 1896-8-1

NEBC: 01070124 Lactuca canadensis Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 1 1896-8-1

NEBC: 01070125 Lactuca canadensis Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 2 1896-8-1

GH: 01071767 Lactuca canadensis Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1908-7-24

GH: 01071768 Lactuca canadensis Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1908-7-23

GH: 01071769 Lactuca canadensis Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1908-7-24

NEBC: 01071770 Lactuca canadensis Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1908-7-24

NEBC: 01071771 Lactuca canadensis Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1908-7-24

GH: 01071801 Lactuca canadensis Linnaeus USA: Vermont Westmore: Westmore E. F. Williams 1896-7-26

GH: 01071807 Lactuca canadensis Linnaeus USA: Vermont Willoughby E. F. Williams 1896-7-24

GH: 01071822 Lactuca canadensis Linnaeus USA: Vermont Ripton: Ripton E. F. Williams 1908-7-17

GH: 01067654 Lactuca canadensis Linnaeus USA: Massachusetts Georgetown: Georgetown E. F. Williams 1906-8-3

GH: 01067655 Lactuca canadensis Linnaeus USA: Massachusetts Georgetown: Georgetown E. F. Williams 1906-8-3

GH: 01067656 Lactuca canadensis Linnaeus USA: Massachusetts Georgetown: Georgetown E. F. Williams 1906-8-9

GH: 01067657 Lactuca canadensis Linnaeus USA: Massachusetts Georgetown: Georgetown E. F. Williams 1906-8-9

NEBC: 01067694 Lactuca canadensis Linnaeus USA: Massachusetts Winchester: Winchester, Horn Pond Mt. E. F. Williams 1901-10-20

GH: 01067722 Lactuca canadensis Linnaeus USA: Massachusetts Wellesley: Wellesley E. F. Williams 1897-8-22

GH: 01067796 Lactuca canadensis Linnaeus USA: Massachusetts Ashfield: Ashfield E. F. Williams 1909-7-19

GH: 01067832 Lactuca canadensis Linnaeus USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2

GH: 01067833 Lactuca canadensis Linnaeus USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2

GH: 01834367 Lactuca canadensis Linnaeus USA: New Jersey Locust: [data not captured] E. F. Williams 1900-9-1

GH: 00009496 Lactuca canadensis obovata Wiegand USA: Massachusetts Wellesley: Maugus Hill E. F. Williams 1897-8-29

GH: 00725404 Lactuca hirsuta Muhlenberg ex Nuttall USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-7

GH: 00725412 Lactuca hirsuta Muhlenberg ex Nuttall USA: Vermont Salisbury: Salisbury E. F. Williams 1908-7-14

GH: 00725413 Lactuca hirsuta Muhlenberg ex Nuttall USA: Vermont Norwich: Norwich E. F. Williams 1910-7-15

NEBC: 00725414 Lactuca hirsuta Muhlenberg ex Nuttall USA: Vermont Salisbury: Salisbury E. F. Williams 1908-7-14

NEBC: 00725424 Lactuca hirsuta Muhlenberg ex Nuttall USA: Massachusetts Falmouth: Falmouth E. F. Williams 1911-7-13

GH: 00725435 Lactuca hirsuta Muhlenberg ex Nuttall USA: Massachusetts Ashfield: Ashfield E. F. Williams 1909-7-19

GH: 02530428 Lactuca indica Linnaeus USA: Maine Ashland: [no additional data] E. F. Williams 1901-8-9

GH: 00626144 Lactuca serriola Linnaeus USA: Maine Van Buren: Van Buren E. F. Williams 1901-8-13

GH: 00626157 Lactuca serriola Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1908-7-24

GH: 00626167 Lactuca serriola Linnaeus USA: Massachusetts Rockport: Rockport E. F. Williams 1897-8-15

GH: 00626192 Lactuca serriola Linnaeus USA: Massachusetts Boston: Boston E. F. Williams 1900-8-24

GH: 01834843 Lactuca serriola Linnaeus USA: Rhode Island Tiverton: [no additional data] E. F. Williams 1903-9-27

GH: 00626289 Lapsana communis Linnaeus USA: Massachusetts Revere: Revere E. F. Williams 1896-6-28

NEBC: 00626293 Lapsana communis Linnaeus USA: Massachusetts Revere: Revere E. F. Williams 1896-6-28

GH: 01835177 Lapsana communis Linnaeus USA: New Jersey [data not captured] E. F. Williams 1900-6-17

GH: 00637188 Leontodon saxatilis Lamarck USA: Rhode Island Middletown: Middletown E. F. Williams 1909-7-5

GH: 00626874 Leucanthemum vulgare Lamarck USA: Maine Mount Desert Island: Mount Desert Island E. F. Williams 1897-7-11

GH: 00626914 Leucanthemum vulgare Lamarck USA: New Hampshire Mount Washington E. F. Williams 1 1901-8-6

GH: 00626913 Leucanthemum vulgare Lamarck USA: New Hampshire Mount Washington E. F. Williams 2 1903-7-23

GH: 00626946 Leucanthemum vulgare Lamarck USA: Vermont Ripton: Ripton E. F. Williams 1908-7-4

NEBC: 00626947 Leucanthemum vulgare Lamarck USA: Vermont Ripton: Ripton E. F. Williams 1908-7-4

NEBC: 00626977 Leucanthemum vulgare Lamarck USA: Massachusetts Chestnut Hill [Boston/Brookline/Newton] E. F. Williams 1895-5-30

GH: 00718081 Leucanthemum vulgare Lamarck USA: Rhode Island Middletown: Middletown E. F. Williams 1908-5-30

NEBC: 00684914 Liatris scariosa novae-angliae Lunell USA: Massachusetts Newton: [no additional data] E. F. Williams 1893-9-18

NEBC: 00684755 Liatris scariosa novae-angliae Lunell USA: Massachusetts Boxford: Boxford E. F. Williams 1 1899-8-8

GH: 00734927 Liatris scariosa novae-angliae Lunell USA: Massachusetts Tewksbury: Tewksbury E. F. Williams 2 1899-9-24

GH: 00734928 Liatris scariosa novae-angliae Lunell USA: Massachusetts Dedham: Dedham E. F. Williams 1 1897-8-22

NEBC: 00734945 Liatris scariosa novae-angliae Lunell USA: Massachusetts Barnstable Town E. F. Williams 1896-9-6

NEBC: 00734952 Liatris scariosa novae-angliae Lunell USA: Massachusetts Barnstable Town E. F. Williams 1897-9-12

NEBC: 00734954 Liatris scariosa novae-angliae Lunell USA: Massachusetts Bourne: Bourne E. F. Williams 2 1901-9-15

NEBC: 00684855 Liatris scariosa novae-angliae Lunell USA: Massachusetts Nantucket: Nantucket E. F. Williams 1894-9-8

GH: 00718221 Matricaria discoidea de Candolle USA: Maine Portland: Portland E. F. Williams 1910-8-3

GH: 00718239 Matricaria discoidea de Candolle USA: New Hampshire Rye: Rye E. F. Williams 1903-6-14

GH: 00718300 Matricaria discoidea de Candolle USA: Rhode Island Newport: Newport E. F. Williams 1908-9-12

NEBC: 00359802 Mikania scandens (Linnaeus) Willdenow USA: Massachusetts Boston: Stony Brook Reservation [Hyde Park/W... E. F. Williams 1896-8-23

NEBC: 00359803 Mikania scandens (Linnaeus) Willdenow USA: Massachusetts Boston: Stony Brook Reservation [Hyde Park/W... E. F. Williams 1896-8-23

GH: 01019262 Mikania scandens (Linnaeus) Willdenow USA: Massachusetts Rowley: Rowley E. F. Williams 1906-9-3

NEBC: 01019263 Mikania scandens (Linnaeus) Willdenow USA: Massachusetts Topsfield: Topsfield E. F. Williams 1903-8-23

GH: 00575216 Nabalus albus (Linnaeus) Hooker USA: Massachusetts Concord: Concord E. F. Williams 1898-8-28

GH: 00575225 Nabalus albus (Linnaeus) Hooker USA: Massachusetts Newton: Newton, near Riverside rapids E. F. Williams 1897-9-5

GH: 00575226 Nabalus albus (Linnaeus) Hooker USA: Massachusetts Newton: Newton, near Riverside rapids E. F. Williams 1897-9-5

NEBC: 00575244 Nabalus albus (Linnaeus) Hooker USA: Massachusetts Wellesley: Wellesley E. F. Williams 1897-8-29

GH: 00502497 Nabalus boottii de Candolle USA: New Hampshire Mt. Washington E. F. Williams 1901-8-4

NEBC: 00502502 Nabalus boottii de Candolle USA: New Hampshire Mt. Washington E. F. Williams 1896-8-7

NEBC: 00502515 Nabalus boottii de Candolle USA: Vermont Mt. Mansfield E. F. Williams 1897-7-4

NEBC: 00502498 Nabalus boottii de Candolle USA: New Hampshire Mt. Washington E. F. Williams 1901-8-6

NEBC: 00502483 Nabalus boottii de Candolle USA: New Hampshire Mt. Washington: Great Gulf E. F. Williams 1893-7-11

GH: 02530430 Nabalus racemosus (Michaux) de Candolle USA: Maine Fort Kent: On the St. John E. F. Williams 1901-8-10

GH: 00680499 Nabalus serpentarius (Pursh) Hooker USA: Massachusetts Dedham: Dedham E. F. Williams 1901-10-6

NEBC: 00680512 Nabalus serpentarius (Pursh) Hooker USA: Massachusetts Westwood: Westwood E. F. Williams 1901-10-6

GH: 00680529 Nabalus serpentarius (Pursh) Hooker USA: Rhode Island Rumford E. F. Williams 1903-9-6

NEBC: 00443444 Nabalus trifoliolatus Cassini USA: Massachusetts Newton: Hammond pond, Chestnut Hill E. F. Williams 1895-11-3

NEBC: 00443445 Nabalus trifoliolatus Cassini USA: Massachusetts Boston: Stony Brook Reservation [Hyde Park/W... E. F. Williams 1896-9-13

NEBC: 00443446 Nabalus trifoliolatus Cassini USA: Massachusetts Boston: Stony Brook Reservation [Hyde Park/W... E. F. Williams 1896-9-13

NEBC: 01069074 Nabalus trifoliolatus Cassini USA: Massachusetts Wilmington E. F. Williams 1900-8-26

NEBC: 01020628 Oclemena acuminata (Michaux) Greene USA: Massachusetts Lincoln E. F. Williams 1902-10-5

GH: 00002822 Oclemena acuminata (Michaux) Greene USA: Massachusetts Lincoln: E. F. Williams 1902-10-5

NEBC: 00359441 Oclemena nemoralis (Aiton) Greene USA: Massachusetts Blue Hills Reservn. E. F. Williams 1895-9-22

GH: 00359875 Oclemena nemoralis (Aiton) Greene USA: Massachusetts Milton: Houghtons Pond, Blue Hills Reservati... E. F. Williams 1895-9-22

GH: 01015672 Oclemena nemoralis (Aiton) Greene USA: Massachusetts Tewksbury: Round Pond, Tewksbury E. F. Williams 1 1902-9-1

NEBC: 01015673 Oclemena nemoralis (Aiton) Greene USA: Massachusetts Tewksbury: Round Pond, Tewksbury E. F. Williams 1 1899-10-8

NEBC: 00725901 Omalotheca supina (Linnaeus) de Candolle USA: New Hampshire Mount Washington E. F. Williams 1896-8-7

NEBC: 00441125 Omalotheca supina (Linnaeus) de Candolle USA: New Hampshire Mount Washington E. F. Williams 1895-7-11

NEBC: 00725905 Omalotheca supina (Linnaeus) de Candolle USA: New Hampshire Mount Washington E. F. Williams 3 1893-7-30

NEBC: 00725910 Omalotheca supina (Linnaeus) de Candolle USA: New Hampshire Mount Washington E. F. Williams 1893-7-30

GH: 00576007 Onopordum acanthium Linnaeus USA: Massachusetts Georgetown: Georgetown E. F. Williams 1906-7-15

GH: 00576036 Onopordum acanthium Linnaeus USA: Rhode Island Lincoln: Lincoln, Lime Rock E. F. Williams 1910-10-2

NEBC: 00568789 Packera aurea (Linnaeus) A. Löve & D. Löve USA: Massachusetts Chestnut Hill E. F. Williams 1895-5-30

GH: 00011893 Packera aurea (Linnaeus) A. Löve & D. Löve USA: Massachusetts Tewksbury: [no additional data] E. F. Williams 1902-6-7

GH: 01008956 Packera obovata (Muhlenberg ex Willdenow) W. A. Weber & Á. Löve USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16

GH: 00568728 Packera öve Á. Löve & D. Löve USA: Vermont Wallingford: Wallingford E. F. Williams 1908-5-25

NEBC: 00359729 Packera paupercula (Michaux) A. Löve & D. Löve USA: Massachusetts Milton: Blue Hill [Blue Hills Reservation] E. F. Williams 1895-6-9

GH: 00443336 Packera paupercula (Michaux) A. Löve & D. Löve USA: Massachusetts Blue Hill, Blue Hills Reservation E. F. Williams 1901-7-4

GH: 01028264 Packera paupercula (Michaux) A. Löve & D. Löve USA: Maine Mount Katahdin E. F. Williams 1900-7-16

GH: 01038770 Packera paupercula (Michaux) A. Löve & D. Löve USA: New Hampshire Walpole: Walpole E. F. Williams 1901-7-28

NEBC: 01038822 Packera schweinitziana (Nutt.) W.A. Weber & Á. Löve USA: Maine Fort Kent: Fort Kent E. F. Williams 1 1901-8-9

NEBC: 01038860 Packera schweinitziana (Nutt.) W.A. Weber & Á. Löve USA: Maine Middle Dam E. F. Williams 1903-8-2

GH: 01028327 Packera schweinitziana (Nutt.) W.A. Weber & Á. Löve USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-23

GH: 01028370 Packera schweinitziana (Nutt.) W.A. Weber & Á. Löve USA: New Hampshire Mount Moosilauke E. F. Williams 1907-7-30

GH: 01028393 Packera schweinitziana (Nutt.) W.A. Weber & Á. Löve USA: Vermont Willoughby E. F. Williams 1894-7-29

GH: 01028411 Packera schweinitziana (Nutt.) W.A. Weber & Á. Löve USA: Vermont Ripton: Ripton E. F. Williams 1908-7-3

GH: 01017558 Petasites frigidus palmatus (Aiton) Cronquist USA: Massachusetts Franklin: Franklin E. F. Williams 1897-6-17

NEBC: 00637214 Picris hieracioides Linnaeus USA: Connecticut Lyme: Lyme E. F. Williams 1905-6-17

GH: 00637215 Picris hieracioides Linnaeus USA: Connecticut Lyme: Lyme E. F. Williams 1905-6-17

GH: 00011325 Pluchea camphorata (Linnaeus) de Candolle USA: Massachusetts Boston: Back Bay E. F. Williams 1910-9-17

NEBC: 01037139 Pluchea odorata succulenta (Fernald) Cronquist USA: Massachusetts Nahant: Nahant E. F. Williams 1894-9-16

NEBC: 01037150 Pluchea odorata succulenta (Fernald) Cronquist USA: Massachusetts Revere: Revere E. F. Williams 1896-8-22

NEBC: 01037184 Pluchea odorata succulenta (Fernald) Cronquist USA: Massachusetts Barnstable Town E. F. Williams 1898-9-5

GH: 00011325 Pluchea odorata succulenta (Fernald) Cronquist USA: Massachusetts Boston: Back Bay E. F. Williams 1910-9-17

GH: 00011325 Pluchea purpurascens succulenta Fernald USA: Massachusetts Boston: Back Bay E. F. Williams 1910-9-17

NEBC: 00443444 Prenanthes serpentaria Pursh USA: Massachusetts Newton: Hammond pond, Chestnut Hill E. F. Williams 1895-11-3

NEBC: 00443445 Prenanthes serpentaria Pursh USA: Massachusetts Boston: Stony Brook Reservation [Hyde Park/W... E. F. Williams 1896-9-13

NEBC: 00443444 Prenanthes trifoliolata (Cassini) Fernald USA: Massachusetts Newton: Hammond pond, Chestnut Hill E. F. Williams 1895-11-3

NEBC: 00443445 Prenanthes trifoliolata (Cassini) Fernald USA: Massachusetts Boston: Stony Brook Reservation [Hyde Park/W... E. F. Williams 1896-9-13

NEBC: 00443446 Prenanthes trifoliolata (Cassini) Fernald USA: Massachusetts Boston: Stony Brook Reservation [Hyde Park/W... E. F. Williams 1896-9-13

GH: 01066335 Pseudognaphalium macounii (Greene) Kartesz USA: Maine Wallagrass: Wallagrass E. F. Williams 1901-8-9

GH: 01066352 Pseudognaphalium macounii (Greene) Kartesz USA: Maine Bethel: Bethel E. F. Williams 1903-7-29

GH: 01066383 Pseudognaphalium macounii (Greene) Kartesz USA: New Hampshire Randolph: Randolph E. F. Williams 1896-8-3

GH: 01066730 Pseudognaphalium macounii (Greene) Kartesz USA: New Hampshire Randolph: Randolph E. F. Williams 1896-8-13

NEBC: 01066387 Pseudognaphalium macounii (Greene) Kartesz USA: New Hampshire Randolph: Randolph E. F. Williams 1896-8-13

NEBC: 01066402 Pseudognaphalium macounii (Greene) Kartesz USA: New Hampshire Randolph: Randolph E. F. Williams 1896-8-3

GH: 01066408 Pseudognaphalium macounii (Greene) Kartesz USA: New Hampshire Warren: Warren E. F. Williams 1910-7-31

NEBC: 01023209 Pseudognaphalium macounii (Greene) Kartesz USA: Massachusetts Burlington: Burlington gorge E. F. Williams 1900-8-26

GH: 01023210 Pseudognaphalium macounii (Greene) Kartesz USA: Massachusetts Burlington: Burlington gorge E. F. Williams 1900-8-26

NEBC: 00359695 Pseudognaphalium obtusifolium (Linnaeus) Hilliard & B. L. Burtt USA: Massachusetts Quincy: Rattlesnake hill, Blue Hills Reserva... E. F. Williams 1895-8-25

NEBC: 01023598 Pseudognaphalium obtusifolium (Linnaeus) Hilliard & B. L. Burtt USA: New Hampshire East Jaffrey E. F. Williams 1 1901-8-31

GH: 01023600 Pseudognaphalium obtusifolium (Linnaeus) Hilliard & B. L. Burtt USA: New Hampshire East Jaffrey E. F. Williams 1 1901-9-2

GH: 01023601 Pseudognaphalium obtusifolium (Linnaeus) Hilliard & B. L. Burtt USA: New Hampshire Newcastle E. F. Williams 2 1901-9-19

GH: 01023639 Pseudognaphalium obtusifolium (Linnaeus) Hilliard & B. L. Burtt USA: Massachusetts Rockport: Rockport E. F. Williams 1898-8-14

NEBC: 01023664 Pseudognaphalium obtusifolium (Linnaeus) Hilliard & B. L. Burtt USA: Massachusetts Weston: Weston E. F. Williams 1895-9-29

GH: 01023700 Pseudognaphalium obtusifolium (Linnaeus) Hilliard & B. L. Burtt USA: Massachusetts Bourne: Bourne E. F. Williams 1901-9-15

GH: 01023746 Pseudognaphalium obtusifolium (Linnaeus) Hilliard & B. L. Burtt USA: Rhode Island Rumford E. F. Williams 1903-9-6

GH: 01023748 Pseudognaphalium obtusifolium (Linnaeus) Hilliard & B. L. Burtt USA: Rhode Island Middletown: Middletown E. F. Williams 1908-9-12

GH: 00535995 Rudbeckia hirta Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-23

GH: 00626029 Rudbeckia hirta Linnaeus USA: Rhode Island Middletown: Middletown E. F. Williams 1909-7-3

GH: 00637020 Rudbeckia hirta pulcherrima Farwell USA: Vermont Willoughby E. F. Williams 1896-7-20

NEBC: 00637073 Rudbeckia hirta pulcherrima Farwell USA: Massachusetts Milton: Milton E. F. Williams 1895-6-30

GH: 00675108 Rudbeckia laciniata Linnaeus USA: New Hampshire Alstead: Alstead E. F. Williams 1901-7-27

NEBC: 00675109 Rudbeckia laciniata Linnaeus USA: New Hampshire Alstead: Alstead E. F. Williams 1901-7-27

GH: 00675120 Rudbeckia laciniata Linnaeus USA: Vermont East Middlebury E. F. Williams 1908-7-14

GH: 00735561 Rudbeckia laciniata Linnaeus USA: Massachusetts Boxford: Boxford E. F. Williams 1906-8-19

NEBC: 00718390 Scorzoneroides autumnalis (Linnaeus) Moench USA: Maine Mount Desert Island: Mount Desert Island E. F. Williams 1899-7-22

NEBC: 00718448 Scorzoneroides autumnalis (Linnaeus) Moench USA: New Hampshire Hampton: Hampton E. F. Williams 1901-9-22

GH: 00718472 Scorzoneroides autumnalis (Linnaeus) Moench USA: Massachusetts Manchester: Manchester E. F. Williams 1895-8-17

NEBC: 00718498 Scorzoneroides autumnalis (Linnaeus) Moench USA: Massachusetts Woburn: Woburn E. F. Williams 1895-9-1

NEBC: 00718529 Scorzoneroides autumnalis (Linnaeus) Moench USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-21

NEBC: 00718549 Scorzoneroides autumnalis (Linnaeus) Moench USA: Rhode Island Tiverton: Tiverton E. F. Williams 1903-9-27

GH: 00718591 Scorzoneroides autumnalis borealis (Ball) Greuter USA: Maine Cranberry Isles: Cranberry Isles E. F. Williams 1899-7-20

GH: 00011893 Senecio aureus Linnaeus USA: Massachusetts Tewksbury: [no additional data] E. F. Williams 1902-6-7

GH: 00011893 Senecio aureus intercursus Fernald USA: Massachusetts Tewksbury: [no additional data] E. F. Williams 1902-6-7

NEBC: 00359729 Senecio aureus balsamitae (Muhlenberg ex Willdenow) Torrey & A. Gray USA: Massachusetts Milton: Blue Hill [Blue Hills Reservation] E. F. Williams 1895-6-9

NEBC: 00359729 Senecio balsamitae praelongus Greenman USA: Massachusetts Milton: Blue Hill [Blue Hills Reservation] E. F. Williams 1895-6-9

GH: 00443336 Senecio balsamitae praelongus Greenman USA: Massachusetts Blue Hill, Blue Hills Reservation E. F. Williams 1901-7-4

NEBC: 00359729 Senecio pauperculus praelongus (Greenman) House USA: Massachusetts Milton: Blue Hill [Blue Hills Reservation] E. F. Williams 1895-6-9

GH: 00735207 Senecio sylvaticus Linnaeus USA: Maine Cranberry Isles: Cranberry Isles E. F. Williams 1899-7-20

GH: 00735209 Senecio sylvaticus Linnaeus USA: Maine Cranberry Isles: Cranberry Isles E. F. Williams 1897-7-17

NEBC: 00359559 Sericocarpus asteroides (Linnaeus) Britton, Sterns & Poggenburg USA: Massachusetts Blue Hills Reservn. E. F. Williams 1895-8-11

NEBC: 01079851 Sericocarpus asteroides (Linnaeus) Britton, Sterns & Poggenburg USA: Massachusetts Gloucester: Gloucester E. F. Williams 1897-8-15

NEBC: 01079860 Sericocarpus asteroides (Linnaeus) Britton, Sterns & Poggenburg USA: Massachusetts Rowley: Rowley E. F. Williams 1906-8-15

GH: 01079904 Sericocarpus asteroides (Linnaeus) Britton, Sterns & Poggenburg USA: Rhode Island Cumberland: Cumberland E. F. Williams 1903-9-13

NEBC: 00359559 Sericocarpus conyzoides Nees USA: Massachusetts Blue Hills Reservn. E. F. Williams 1895-8-11

GH: 00359562 Sericocarpus linifolius (Linnaeus) Britton, Stearn & Poggenburg USA: Massachusetts Blue Hill, Blue Hills Reservation E. F. Williams 1895-9-22

NEBC: 00359955 Sericocarpus linifolius (Linnaeus) Britton, Stearn & Poggenburg USA: Massachusetts Norwood: Edge of Purgatory Swamp E. F. Williams 1894-8-26

NEBC: 00359956 Sericocarpus linifolius (Linnaeus) Britton, Stearn & Poggenburg USA: Massachusetts Summit of Blue Hill [Blue Hills Reservation] E. F. Williams 1893-10-1

GH: 01077118 Sericocarpus linifolius (Linnaeus) Britton, Stearn & Poggenburg USA: Massachusetts Framingham: Framingham E. F. Williams 1901-7-7

NEBC: 01077029 Sericocarpus linifolius (Linnaeus) Britton, Stearn & Poggenburg USA: Massachusetts Falmouth: Falmouth E. F. Williams 1911-7-6

NEBC: 01077048 Sericocarpus linifolius (Linnaeus) Britton, Stearn & Poggenburg USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-22

GH: 00359562 Sericocarpus solidagineus (Michaux) Nees USA: Massachusetts Blue Hill, Blue Hills Reservation E. F. Williams 1895-9-22

NEBC: 00359956 Sericocarpus solidagineus (Michaux) Nees USA: Massachusetts Summit of Blue Hill [Blue Hills Reservation] E. F. Williams 1893-10-1

GH: 00578920 Silphium perfoliatum Linnaeus USA: Massachusetts Boston: Boston, edge of Back Bay Fens E. F. Williams 1900-8-24

GH: 01055233 Solidago altissima Linnaeus USA: Massachusetts Nantucket: Nantucket E. F. Williams 1894-9-8

GH: 01054013 Solidago altissima Linnaeus USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2

GH: 01052929 Solidago arguta Aiton USA: New Hampshire Crawfords E. F. Williams 1894-7-19

NEBC: 01052949 Solidago arguta Aiton USA: New Hampshire Franconia: near the Profile Hse. [House] far... E. F. Williams 1894-8-4

GH: 01077328 Solidago arguta Aiton USA: Rhode Island Cumberland: Cumberland E. F. Williams 1903-9-13

NEBC: 01054097 Solidago asperula Desfontaines USA: Massachusetts Revere: Revere E. F. Williams 1894-9-16

GH: 00553107 Solidago bicolor Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1908-7-28

GH: 00553108 Solidago bicolor Linnaeus USA: New Hampshire North Woodstock E. F. Williams 1908-8-6

GH: 00553205 Solidago bicolor Linnaeus USA: Massachusetts Boston: Boston, Fanueil near B. & A. R.R. tr... E. F. Williams 1893-9-30

NEBC: 00553211 Solidago bicolor Linnaeus USA: Massachusetts Canton: Canton E. F. Williams 1893-10-1

GH: 00553225 Solidago bicolor Linnaeus USA: Massachusetts Scituate: Scituate E. F. Williams 1893-9-17

NEBC: 00553210 Solidago bicolor Linnaeus USA: Massachusetts Blue Hills E. F. Williams 1895-10-27

GH: 00553287 Solidago bicolor Linnaeus USA: Rhode Island Cumberland: Cumberland E. F. Williams 1903-9-13

NEBC: 01054196 Solidago caesia Linnaeus USA: Massachusetts Arlington: Arlington E. F. Williams 1894-9-30

NEBC: 01054197 Solidago caesia Linnaeus USA: Massachusetts Blue Hills Reservation E. F. Williams 1895-10-27

GH: 01054223 Solidago caesia Linnaeus USA: Massachusetts Waltham: Waltham, Prospect Hill E. F. Williams 1893-10-15

NEBC: 01054250 Solidago caesia Linnaeus USA: Massachusetts Wellesley: Wellesley E. F. Williams 1899-10-1

NEBC: 01054252 Solidago caesia Linnaeus USA: Massachusetts Wellesley: Wellesley E. F. Williams 1899-10-1

NEBC: 01077513 Solidago caesia Linnaeus USA: Rhode Island Cumberland: Cumberland E. F. Williams 1903-9-13

GH: 01077539 Solidago canadensis Linnaeus USA: Maine Middle Dam E. F. Williams 1903-8-2

NEBC: 01054378 Solidago canadensis Linnaeus USA: New Hampshire Franconia: Franconia, near Profile House far... E. F. Williams 1894-8-4

GH: 01054383 Solidago canadensis Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1910-7-28

GH: 01054384 Solidago canadensis Linnaeus USA: New Hampshire Wentworth: Wentworth E. F. Williams 1908-8-1

GH: 01062455 Solidago canadensis Linnaeus USA: Vermont Rockingham: Rockingham E. F. Williams

GH: 01055380 Solidago flexicaulis Linnaeus USA: Maine Mount Desert Island E. F. Williams 1893-9-3

GH: 01055532 Solidago flexicaulis Linnaeus USA: Massachusetts Woburn: Woburn, Shaker Glen E. F. Williams 1895-9-1

NEBC: 01055538 Solidago flexicaulis Linnaeus USA: Massachusetts Wellesley: Wellesley E. F. Williams 1899-10-1

GH: 01062893 Solidago flexicaulis Linnaeus USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2

NEBC: 00359607 Solidago gigantea Aiton USA: Massachusetts Quincy: W. of Dome, Blue Hills Reservation E. F. Williams 1895-9-2

GH: 01055584 Solidago gigantea Aiton USA: New Hampshire Haverhill: Haverhill E. F. Williams 1908

GH: 01054472 Solidago gigantea Aiton USA: Massachusetts Woburn: Woburn, Shaker Glen E. F. Williams 1894-9-2

NEBC: 01054487 Solidago gigantea Aiton USA: Massachusetts Canton: Canton E. F. Williams 1895-9-8

GH: 01054533 Solidago gigantea Aiton USA: Massachusetts Conway: Conway E. F. Williams 1909-8-6

GH: 01054567 Solidago gigantea Aiton USA: Rhode Island Cumberland: Cumberland E. F. Williams 1903-9-13

NEBC: 01054568 Solidago gigantea Aiton USA: Rhode Island Cumberland: Cumberland E. F. Williams 1903-9-13

GH: 01054580 Solidago hispida Muhlenberg ex Willdenow USA: Maine Fort Kent: Fort Kent E. F. Williams 1900-7-23

GH: 01054581 Solidago hispida Muhlenberg ex Willdenow USA: Maine Fort Kent: Fort Kent E. F. Williams 1900-7-21

NEBC: 01054651 Solidago hispida Muhlenberg ex Willdenow USA: Vermont Willoughby E. F. Williams 1894-7-27

NEBC: 01054652 Solidago hispida Muhlenberg ex Willdenow USA: Vermont Willoughby E. F. Williams 1896-7-26

GH: 01054714 Solidago juncea Aiton USA: New Hampshire Seabrook: Seabrook E. F. Williams 1898-8-7

GH: 01054726 Solidago juncea Aiton USA: Vermont Newbury: Newbury E. F. Williams 1894-8-3

GH: 01054773 Solidago juncea Aiton USA: Massachusetts Reading: Reading E. F. Williams

GH: 01054779 Solidago juncea Aiton USA: Massachusetts Revere: Revere E. F. Williams 1894-8-19

GH: 01054787 Solidago juncea Aiton USA: Massachusetts Dedham: Dedham E. F. Williams 1897-8-22

GH: 01054841 Solidago juncea Aiton USA: Massachusetts Colrain: Colrain E. F. Williams 1909-8-4

NEBC: 01056114 Solidago latissimifolia Miller USA: Massachusetts Boston: Hyde Park, Readville, near race cour... E. F. Williams 1895-9-8

NEBC: 00725991 Solidago leiocarpa de Candolle USA: New Hampshire Thompson and Meserves E. F. Williams 1896-8-6

NEBC: 00725990 Solidago leiocarpa de Candolle USA: New Hampshire Thompson and Meserves E. F. Williams 1897-8-8

NEBC: 00725995 Solidago leiocarpa de Candolle USA: New Hampshire Thompson and Meserves E. F. Williams 1 1893-7-31

NEBC: 00725994 Solidago leiocarpa de Candolle USA: New Hampshire Hart's Location: Hart's Location E. F. Williams 2 1893-7-13

GH: 01054935 Solidago macrophylla Pursh USA: Maine Madawaska Lake E. F. Williams 1 1900-8-2

GH: 01054970 Solidago macrophylla Pursh USA: Maine Middle Dam E. F. Williams 1903-8-2

NEBC: 01054992 Solidago macrophylla Pursh USA: New Hampshire Mount Washington E. F. Williams 1896-8-7

NEBC: 01054993 Solidago macrophylla Pursh USA: New Hampshire Mount Washington E. F. Williams 1896-8-6

NEBC: 01077782 Solidago macrophylla Pursh USA: New Hampshire Mount Lafayette E. F. Williams 1894-8-5

GH: 01077784 Solidago macrophylla Pursh USA: New Hampshire Mount Moosilauke E. F. Williams 1907-7-30

NEBC: 01077785 Solidago macrophylla Pursh USA: New Hampshire Franconia: Profile House E. F. Williams 1894-8-4

NEBC: 01077791 Solidago macrophylla Pursh USA: New Hampshire Mount Monadnock E. F. Williams 1901-9-2

NEBC: 00359649 Solidago neglecta Torrey & A. Gray USA: Massachusetts Cedar swamp, Blue Hills Reserv. E. F. Williams 1895-8-25

NEBC: 00359631 Solidago nemoralis Aiton USA: Massachusetts Blue Hills Reserv. Near Gardner's swamp E. F. Williams 1894-9-23

GH: 01063256 Solidago nemoralis Aiton USA: New Hampshire Warren: Warren E. F. Williams 1908-7-27

GH: 01063257 Solidago nemoralis Aiton USA: New Hampshire Wentworth: Wentworth E. F. Williams 1908-8-1

GH: 01063330 Solidago nemoralis Aiton USA: Massachusetts Rockport: Rockport E. F. Williams 1893-9-25

NEBC: 01063355 Solidago nemoralis Aiton USA: Massachusetts Wayland: Wayland E. F. Williams 1893-9-10

GH: 01063375 Solidago nemoralis Aiton USA: Massachusetts Sharon: Sharon E. F. Williams 1897-10-17

GH: 01063400 Solidago nemoralis Aiton USA: Rhode Island Rumford E. F. Williams 1903-9-6

GH: 00359635 Solidago odora Aiton USA: Massachusetts Quincy: Blue Hills Reservation, Chickatawbut... E. F. Williams 1895-10-27

GH: 00359636 Solidago odora Aiton USA: Massachusetts Blue Hills Reservation E. F. Williams 1895-8-25

GH: 00359637 Solidago odora Aiton USA: Massachusetts Blue Hills Reservation E. F. Williams 1894-9-3

GH: 01064413 Solidago puberula Nuttall USA: Massachusetts Nantucket: Nantucket E. F. Williams 1903-9-19

GH: 01063520 Solidago puberula Nuttall USA: Massachusetts Rockport: Rockport E. F. Williams 1893-9-24

NEBC: 01063534 Solidago puberula Nuttall USA: Massachusetts Concord: Concord, Lowell R.R. [Railroad] tra... E. F. Williams 1896-9-27

GH: 01064350 Solidago puberula Nuttall USA: Massachusetts Melrose: Melrose Highland E. F. Williams 1888

NEBC: 00359643 Solidago rugosa Miller USA: Massachusetts Gardner's Swamp, Blue Hills [Reservation] E. F. Williams 1894-9-23

GH: 00501060 Solidago rugosa Miller USA: Massachusetts Blue Hills Reservation E. F. Williams 1895-10-27

GH: 00501306 Solidago rugosa Miller USA: Rhode Island Rumford E. F. Williams 1903-9-6

NEBC: 00359643 Solidago rugosa aspera (Aiton) Cronquist USA: Massachusetts Gardner's Swamp, Blue Hills [Reservation] E. F. Williams 1894-9-23

GH: 01064514 Solidago sempervirens Linnaeus USA: Maine Mount Desert (Hancock County): Mount Desert E. F. Williams 1910-8-6

GH: 01064553 Solidago sempervirens Linnaeus USA: New Hampshire Newcastle E. F. Williams 1901-9-19

GH: 01064613 Solidago sempervirens Linnaeus USA: Massachusetts Barnstable Town E. F. Williams 1897-9-12

NEBC: 01064649 Solidago sempervirens Linnaeus USA: Rhode Island Tiverton: Tiverton E. F. Williams 1903-9-27

NEBC: 01064670 Solidago sempervirens mexicana (Linnaeus) Semple USA: Massachusetts Barnstable Town E. F. Williams 1897-9-12

NEBC: 00359607 Solidago serotina gigantea (Aiton) A. Gray USA: Massachusetts Quincy: W. of Dome, Blue Hills Reservation E. F. Williams 1895-9-2

GH: 01064705 Solidago simplex randii (Porter) G. S. Ringius USA: Vermont Willoughby Mountain E. F. Williams 1894-7-31

GH: 01064728 Solidago speciosa Nuttall USA: Massachusetts Wellesley: Wellesley E. F. Williams 1899-10-1

NEBC: 01056808 Solidago squarrosa Nuttall USA: New Hampshire Franconia: Bull Mt. E. F. Williams 1908-8-7

NEBC: 00359649 Solidago uliginosa Nuttall USA: Massachusetts Cedar swamp, Blue Hills Reserv. E. F. Williams 1895-8-25

GH: 01056843 Solidago uliginosa Nuttall USA: Maine Fort Kent: Fort Kent E. F. Williams 1901-8-10

GH: 01056849 Solidago uliginosa Nuttall USA: Maine New Sweden: New Sweden E. F. Williams 1900-8-2

GH: 01056980 Solidago uliginosa Nuttall USA: Massachusetts Boxford: Boxford E. F. Williams 1906-8-19

NEBC: 01056981 Solidago uliginosa Nuttall USA: Massachusetts Boxford: Boxford E. F. Williams 1899-8-6

NEBC: 01063893 Solidago uliginosa Nuttall USA: Massachusetts Canton: Canton E. F. Williams 1893-10-1

GH: 00718887 Solidago ulmifolia Muhlenberg USA: Massachusetts Waltham: Waltham, Feake's hill [Mount Feake] E. F. Williams 1898-11-13

NEBC: 00718889 Solidago ulmifolia Muhlenberg USA: Massachusetts Winchester: Winchester, by Winter Pond E. F. Williams 1894-9-2

GH: 00685169 Solidago ulmifolia Muhlenberg USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2

NEBC: 00626243 Sonchus arvensis Linnaeus USA: Maine Fort Kent: Fort Kent E. F. Williams 1900-8-2

GH: 00626276 Sonchus arvensis Linnaeus USA: Maine Portland: Portland E. F. Williams 1910-8-3

GH: 00637232 Sonchus arvensis Linnaeus USA: Massachusetts Concord: Concord, Wheeler place E. F. Williams 1908-8-31

GH: 00637243 Sonchus arvensis Linnaeus USA: Massachusetts Revere: Revere E. F. Williams 1896-8-30

GH: 00637298 Sonchus arvensis Linnaeus USA: New Hampshire North Woodstock E. F. Williams 1908-8-6

GH: 00637305 Sonchus arvensis Linnaeus USA: New Hampshire Portsmouth: Portsmouth E. F. Williams 1899-7-31

NEBC: 00637263 Sonchus arvensis Linnaeus USA: Massachusetts Plymouth: Plymouth E. F. Williams 1910-9-11

GH: 00637375 Sonchus asper (Linnaeus) Hill USA: Maine Mount Desert Island: Mount Desert Island E. F. Williams 2 1899-7-17

GH: 00637376 Sonchus asper (Linnaeus) Hill USA: Maine Cranberry Isles: Cranberry Isles E. F. Williams 1 1899-7-24

GH: 00637420 Sonchus asper (Linnaeus) Hill USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-9

GH: 00637421 Sonchus asper (Linnaeus) Hill USA: New Hampshire Warren: Warren E. F. Williams 1908-7-24

GH: 00637463 Sonchus asper (Linnaeus) Hill USA: Massachusetts Revere: Revere E. F. Williams 1896-8-22

GH: 00637540 Sonchus oleraceus Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-15

GH: 00637541 Sonchus oleraceus Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-15

NEBC: 00637576 Sonchus oleraceus Linnaeus USA: Massachusetts Boston: Boston, Westland Ave. E. F. Williams 1896-8-28

GH: 00637580 Sonchus oleraceus Linnaeus USA: Massachusetts Milton: Milton E. F. Williams 1903-9-29

GH: 00637611 Sonchus oleraceus Linnaeus USA: Rhode Island Newport: Newport E. F. Williams 1908-9-12

NEBC: 00705213 Symphyotrichum anticostense (Fernald) G. L. Nesom USA: Maine Fort Fairfield: Fort Fairfield E. F. Williams 1902-8-15

NEBC: 00705229 Symphyotrichum concolor (Linnaeus) G. L. Nesom USA: Massachusetts Nantucket: Nantucket E. F. Williams 1903-9-20

NEBC: 01020890 Symphyotrichum cordifolium (Linnaeus) G. L. Nesom USA: Massachusetts Boston: Brighton, Faneuil [Village] E. F. Williams 1893-9-20

GH: 00359823 Symphyotrichum dumosum (Linnaeus) G. L. Nesom USA: Massachusetts Canton: Base of Big Blue Hill on Blue Hill A... E. F. Williams 1893-10-1

GH: 00692216 Symphyotrichum laeve (Linnaeus) A. Löve & D. Löve USA: Massachusetts Acton: South Acton E. F. Williams 1908-9-6

NEBC: 00692242 Symphyotrichum laeve (Linnaeus) A. Löve & D. Löve USA: Massachusetts Wayland: Wayland E. F. Williams 1893-9-10

GH: 00359421 Symphyotrichum lateriflorum (Linnaeus) Á. Löve & D. Löve USA: Massachusetts Quincy: near Babel rock, Blue Hills Reservat... E. F. Williams 1895-9-2

NEBC: 00697252 Symphyotrichum lateriflorum (Linnaeus) Á. Löve & D. Löve USA: Massachusetts Milton: Milton E. F. Williams 1893-10-1

GH: 00697260 Symphyotrichum lateriflorum (Linnaeus) Á. Löve & D. Löve USA: Massachusetts Bridgewater: Bridgewater E. F. Williams

NEBC: 00359442 Symphyotrichum novae-angliae (Linnaeus) G. L. Nesom USA: Massachusetts Canton: Western Base Big Blue Hill [Blue Hil... E. F. Williams 1893-10-1

NEBC: 00697332 Symphyotrichum novae-angliae (Linnaeus) G. L. Nesom USA: Massachusetts Danvers: Danvers E. F. Williams

GH: 00697355 Symphyotrichum novae-angliae (Linnaeus) G. L. Nesom USA: Massachusetts Winchester: Winchester E. F. Williams 1897-10-10

NEBC: 00719644 Symphyotrichum novae-angliae (Linnaeus) G. L. Nesom USA: Massachusetts Boston: Brighton, at Faneuil [Village] E. F. Williams 1893-9-20

GH: 00719680 Symphyotrichum novae-angliae (Linnaeus) G. L. Nesom USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2

GH: 00832376 Symphyotrichum novi-belgii (Linnaeus) G. L. Nesom USA: Maine Middle Dam E. F. Williams 1903-8-2

NEBC: 00719744 Symphyotrichum novi-belgii (Linnaeus) G. L. Nesom USA: Maine Cranberry Isles: Cranberry Isles E. F. Williams 1 1899-7-24

NEBC: 01031124 Symphyotrichum novi-belgii (Linnaeus) G. L. Nesom USA: New Hampshire Sargents E. F. Williams 1896-8-8

GH: 01031133 Symphyotrichum novi-belgii (Linnaeus) G. L. Nesom USA: New Hampshire Sargents E. F. Williams 1896-8-8

GH: 01031182 Symphyotrichum novi-belgii (Linnaeus) G. L. Nesom USA: New Hampshire Peterborough: Peterborough E. F. Williams 1901-9-2

NEBC: 01031245 Symphyotrichum novi-belgii (Linnaeus) G. L. Nesom USA: Massachusetts Rockport: Rockport E. F. Williams 1893-9-24

NEBC: 00697516 Symphyotrichum novi-belgii (Linnaeus) G. L. Nesom USA: Massachusetts Lexington: Lexington E. F. Williams 1893-10-1

NEBC: 00697532 Symphyotrichum novi-belgii (Linnaeus) G. L. Nesom USA: Massachusetts Weston: Weston, near Stony Brook Station E. F. Williams 1895-9-29

GH: 00697538 Symphyotrichum novi-belgii (Linnaeus) G. L. Nesom USA: Massachusetts Boston: Brighton, Faneuil [Village] E. F. Williams 1893-9-20

GH: 00697541 Symphyotrichum novi-belgii (Linnaeus) G. L. Nesom USA: Massachusetts Boston: Boston, Beacon St. E. F. Williams 1893-9-30

NEBC: 00697545 Symphyotrichum novi-belgii (Linnaeus) G. L. Nesom USA: Massachusetts Boston: Brighton, Faneuil [Village] E. F. Williams 1893-9-20

NEBC: 00697556 Symphyotrichum novi-belgii (Linnaeus) G. L. Nesom USA: Massachusetts Boston: Boston, c. [corner] Beacon St. & Com... E. F. Williams 1893-9-30

NEBC: 00697559 Symphyotrichum novi-belgii (Linnaeus) G. L. Nesom USA: Massachusetts Boston: Brighton, Faneuil [Village] E. F. Williams 1893-9-20

NEBC: 01031254 Symphyotrichum novi-belgii (Linnaeus) G. L. Nesom USA: Massachusetts Canton: Canton E. F. Williams 1 1900-9-23

GH: 01031292 Symphyotrichum novi-belgii (Linnaeus) G. L. Nesom USA: Massachusetts Scituate: Scituate E. F. Williams 1893-9-17

GH: 01031331 Symphyotrichum novi-belgii (Linnaeus) G. L. Nesom USA: Massachusetts Nantucket: Nantucket E. F. Williams 1 1903-9-19

GH: 01031370 Symphyotrichum novi-belgii (Linnaeus) G. L. Nesom USA: Rhode Island E. F. Williams 9

GH: 00872219 Symphyotrichum öve (Torr. & A. Gray)Á. Löve & D. Löve USA: Maine Crystal: Caribou bog. Crystal E. F. Williams 1901-8-19

GH: 00574584 Symphyotrichum patens (Aiton) G. L. Nesom USA: Massachusetts Concord: Concord, Fairhaven bay [Sudbury RIv... E. F. Williams 1893-10-8

GH: 00574596 Symphyotrichum patens (Aiton) G. L. Nesom USA: Massachusetts Waltham: Waltham, Feake's hill [Mount Feake] E. F. Williams 1898-11-13

NEBC: 00574597 Symphyotrichum patens (Aiton) G. L. Nesom USA: Massachusetts Wayland: Wayland E. F. Williams 1893-9-10

NEBC: 00574599 Symphyotrichum patens (Aiton) G. L. Nesom USA: Massachusetts Weston: Weston E. F. Williams 1895-9-29

NEBC: 00574615 Symphyotrichum patens (Aiton) G. L. Nesom USA: Massachusetts Sharon: Sharon E. F. Williams 1901-9-7

GH: 00574668 Symphyotrichum patens (Aiton) G. L. Nesom USA: Massachusetts Nantucket: Nantucket E. F. Williams 1903-9-19

NEBC: 00574677 Symphyotrichum patens (Aiton) G. L. Nesom USA: Rhode Island Cumberland: Cumberland E. F. Williams 1903-9-13

NEBC: 01031415 Symphyotrichum pilosum (Willdenow) G. L. Nesom USA: Massachusetts Bourne: Bourne E. F. Williams 1901-9-15

NEBC: 01031472 Symphyotrichum pilosum pringlei (A. Gray) G. L. Nesom USA: Vermont Willoughby E. F. Williams 1894-7-25

NEBC: 01031540 Symphyotrichum pilosum pringlei (A. Gray) G. L. Nesom USA: Massachusetts Weston: Weston, near Stony Brook R.R. [Railr... E. F. Williams 1895-9-29

GH: 01031541 Symphyotrichum pilosum pringlei (A. Gray) G. L. Nesom USA: Massachusetts Weston: Weston, near Stony Brook R.R. [Railr... E. F. Williams 1895-9-29

NEBC: 01031542 Symphyotrichum pilosum pringlei (A. Gray) G. L. Nesom USA: Massachusetts Weston: Weston E. F. Williams 1895-9-29

GH: 01031545 Symphyotrichum pilosum pringlei (A. Gray) G. L. Nesom USA: Massachusetts Woburn: Woburn, by Horn Pond E. F. Williams 1896-10-11

NEBC: 01031546 Symphyotrichum pilosum pringlei (A. Gray) G. L. Nesom USA: Massachusetts Woburn: Woburn E. F. Williams 1896-10-11

NEBC: 01031575 Symphyotrichum pilosum pringlei (A. Gray) G. L. Nesom USA: Massachusetts Plymouth: Plymouth E. F. Williams 1898-8-21

GH: 01031599 Symphyotrichum pilosum pringlei (A. Gray) G. L. Nesom USA: Massachusetts Barnstable Town E. F. Williams 1898-9-5

NEBC: 01031738 Symphyotrichum puniceum (Linnaeus) Á. Löve & D. Löve USA: Maine Middle Dam E. F. Williams 1903-8-2

NEBC: 00832457 Symphyotrichum puniceum (Linnaeus) Á. Löve & D. Löve USA: New Hampshire Mount Washington E. F. Williams 1901-8-6

GH: 00832462 Symphyotrichum puniceum (Linnaeus) Á. Löve & D. Löve USA: New Hampshire Mount Washington E. F. Williams 1 1901-8-6

NEBC: 01031832 Symphyotrichum puniceum (Linnaeus) Á. Löve & D. Löve USA: Massachusetts Lexington: Lexington E. F. Williams 1893-10-15

GH: 01031893 Symphyotrichum puniceum (Linnaeus) Á. Löve & D. Löve USA: Massachusetts Wellesley: Wellesley E. F. Williams 1899-10-1

GH: 00832879 Symphyotrichum racemosum (Elliott) G. L. Nesom USA: Maine Livermore Falls: Livermore Falls E. F. Williams

GH: 01014464 Symphyotrichum racemosum (Elliott) G. L. Nesom USA: Massachusetts Weston: Weston E. F. Williams 1895-9-29

NEBC: 01014470 Symphyotrichum racemosum (Elliott) G. L. Nesom USA: Massachusetts Boston: Boston E. F. Williams 1893-9-16

NEBC: 01014484 Symphyotrichum racemosum (Elliott) G. L. Nesom USA: Massachusetts Sharon: Sharon E. F. Williams 1 1899-9-10

GH: 01014490 Symphyotrichum racemosum (Elliott) G. L. Nesom USA: Massachusetts Sharon: Sharon E. F. Williams 1899-9-10

GH: 01014500 Symphyotrichum racemosum (Elliott) G. L. Nesom USA: Massachusetts Middleborough: Middleborough E. F. Williams 1901-9-6

GH: 01014560 Symphyotrichum racemosum (Elliott) G. L. Nesom USA: Rhode Island Cumberland: Cumberland E. F. Williams 1903-9-13

GH: 01014592 Symphyotrichum racemosum (Elliott) G. L. Nesom USA: Connecticut Bloomfield: Bloomfield E. F. Williams 1900-9-25

NEBC: 00359934 Symphyotrichum sp. USA: Massachusetts Blue Hills Reservation, near Gardner's Swamp E. F. Williams 1894-9-23

GH: 01021456 Symphyotrichum sp. USA: Massachusetts Lexington: Lexington E. F. Williams 1893-10-15

GH: 00834741 Symphyotrichum sp. USA: Massachusetts Weston: Weston, near Stony Brook Depot E. F. Williams 1895-10-6

GH: 01021498 Symphyotrichum sp. USA: Massachusetts Wayland: Wayland E. F. Williams 1893-9-10

GH: 01021464 Symphyotrichum sp. USA: Massachusetts Newton: Newtonville E. F. Williams 1893-9-18

GH: 01014622 Symphyotrichum subulatum (Michaux) G. L. Nesom USA: New Hampshire Hampton: Hampton E. F. Williams 1902-8-31

GH: 01014624 Symphyotrichum subulatum (Michaux) G. L. Nesom USA: New Hampshire Newcastle E. F. Williams 1901-9-19

NEBC: 01014625 Symphyotrichum subulatum (Michaux) G. L. Nesom USA: New Hampshire Newcastle E. F. Williams 1901-9-19

GH: 01014761 Symphyotrichum subulatum (Michaux) G. L. Nesom USA: Massachusetts Boston: Boston, c. [corner] Commonwealth Ave... E. F. Williams 1893-9-30

GH: 01014776 Symphyotrichum subulatum (Michaux) G. L. Nesom USA: Massachusetts Scituate: Scituate E. F. Williams 1896-9-6

GH: 01014801 Symphyotrichum subulatum (Michaux) G. L. Nesom USA: Rhode Island Newport: Newport E. F. Williams 1908-9-12

NEBC: 00832583 Symphyotrichum tardiflorum (Linnaeus) Greuter, M. V. Agabajan & Wagenitz USA: New Hampshire Mount Monadnock E. F. Williams 1901-9-2

GH: 00832644 Symphyotrichum tenuifolium (Linnaeus) G. L. Nesom USA: Massachusetts Barnstable Town E. F. Williams 1896-9-6

NEBC: 00832645 Symphyotrichum tenuifolium (Linnaeus) G. L. Nesom USA: Massachusetts Barnstable Town E. F. Williams 1896-9-7

NEBC: 00832646 Symphyotrichum tenuifolium (Linnaeus) G. L. Nesom USA: Massachusetts Barnstable Town E. F. Williams 1896-9-6

NEBC: 01016148 Symphyotrichum undulatum (Linnaeus) G. L. Nesom USA: Massachusetts Wayland: Wayland E. F. Williams 1893-9-10

NEBC: 01016149 Symphyotrichum undulatum (Linnaeus) G. L. Nesom USA: Massachusetts Weston: Weston E. F. Williams 1895-9-29

NEBC: 01016202 Symphyotrichum undulatum (Linnaeus) G. L. Nesom USA: Rhode Island Cumberland: Cumberland E. F. Williams 1903-9-13

NEBC: 01016218 Symphyotrichum undulatum (Linnaeus) G. L. Nesom USA: Rhode Island Tiverton: Tiverton E. F. Williams 1903-9-27

NEBC: 00638967 Tanacetum bipinnatum huronense (Nuttall) Breitung USA: Maine Allagash: Allagash E. F. Williams 1900-7-27

NEBC: 00638968 Tanacetum bipinnatum huronense (Nuttall) Breitung USA: Maine Fort Kent: Fort Kent E. F. Williams 1900-7-24

GH: 00638972 Tanacetum bipinnatum huronense (Nuttall) Breitung USA: Maine St. Francis E. F. Williams 1900-7-30

GH: 00638975 Tanacetum bipinnatum huronense (Nuttall) Breitung USA: Maine St. John E. F. Williams 1900-7-23

GH: 00655062 Tanacetum vulgare Linnaeus USA: New Hampshire Hampton Falls: Hampton Falls E. F. Williams 1901-9-22

GH: 00655064 Tanacetum vulgare Linnaeus USA: New Hampshire Newcastle E. F. Williams 1901-9-19

GH: 00718766 Tanacetum vulgare Linnaeus USA: Vermont Weybridge: Weybridge E. F. Williams 1908-7-8

GH: 00718789 Tanacetum vulgare Linnaeus USA: Massachusetts Quincy: Quincy E. F. Williams 1895-8-25

GH: 00718822 Tanacetum vulgare Linnaeus USA: Rhode Island Rumford E. F. Williams 1903-9-6

NEBC: 00655067 Tanacetum vulgare crispum (Linnaeus) Fernald USA: Maine Fort Fairfield: Fort Fairfield E. F. Williams 1901-8-18

GH: 00655090 Tanacetum vulgare crispum (Linnaeus) Fernald USA: New Hampshire Piermont: Piermont E. F. Williams 1910-7-26

GH: 00655101 Tanacetum vulgare crispum (Linnaeus) Fernald USA: Massachusetts Acton: South Acton E. F. Williams 1908-9-6

NEBC: 00655102 Tanacetum vulgare crispum (Linnaeus) Fernald USA: Massachusetts Acton: South Acton E. F. Williams 1908-9-6

GH: 00637696 Taraxacum brachyglossum Dahlstedt USA: Massachusetts Concord: Concord E. F. Williams 1898-5-8

GH: 00637696 Taraxacum erythrospermum Andrzejowski ex Besser USA: Massachusetts Concord: Concord E. F. Williams 1898-5-8

NEBC: 00637633 Taraxacum laevigatum (Willdenow) de Candolle USA: Maine Cranberry Isles: Cranberry Isles E. F. Williams 1899-7-24

NEBC: 00637664 Taraxacum laevigatum (Willdenow) de Candolle USA: New Hampshire Jaffrey: Jaffrey E. F. Williams 1898-5-30

GH: 00637677 Taraxacum laevigatum (Willdenow) de Candolle USA: Vermont Brandon: Brandon E. F. Williams 1908-5-21

GH: 00637696 Taraxacum laevigatum (Willdenow) de Candolle USA: Massachusetts Concord: Concord E. F. Williams 1898-5-8

NEBC: 00637705 Taraxacum laevigatum (Willdenow) de Candolle USA: Massachusetts Waltham: Waltham E. F. Williams 1898-5-1

GH: 00637707 Taraxacum laevigatum (Willdenow) de Candolle USA: Massachusetts Wilmington: Wilmington E. F. Williams 1899-5-14

GH: 00637709 Taraxacum laevigatum (Willdenow) de Candolle USA: Massachusetts Woburn: Woburn E. F. Williams 1895-5-12

GH: 00637710 Taraxacum laevigatum (Willdenow) de Candolle USA: Massachusetts Winchester: Winchester E. F. Williams 1895-5-12

GH: 00637750 Taraxacum laevigatum (Willdenow) de Candolle USA: Connecticut Southington: Southington E. F. Williams 1901-5-30

GH: 00637749 Taraxacum laevigatum (Willdenow) de Candolle USA: Connecticut Stratford: Stratford E. F. Williams 1901-6-9

GH: 00637676 Taraxacum laevigatum (Willdenow) de Candolle USA: Vermont E. F. Williams 1908-5-20

NEBC: 00637760 Taraxacum officinale F. H. Wiggers USA: Maine Fort Fairfield: Fort Fairfield E. F. Williams 1901-8-16

GH: 00626315 Taraxacum officinale F. H. Wiggers USA: Vermont Brandon: Brandon E. F. Williams 1908-5-21

GH: 00626363 Taraxacum officinale F. H. Wiggers USA: Massachusetts Brookline: Brookline, Country Club E. F. Williams 1896-5-17

GH: 00626365 Taraxacum officinale F. H. Wiggers USA: Massachusetts Canton: Canton E. F. Williams 1902-5-25

NEBC: 00587996 Taraxacum officinale F. H. Wiggers USA: Massachusetts Chestnut Hill [Boston/Brookline/Newton] E. F. Williams 1895-5-30

GH: 02591999 Taraxacum officinale F. H. Wiggers USA: New Hampshire Mt. Washington: opposite door of old Tip Top... E. F. Williams 1895-7-14

GH: 00718677 Tragopogon pratensis Linnaeus USA: Vermont Westmore: Westmore E. F. Williams 1898-6-16

NEBC: 00718678 Tragopogon pratensis Linnaeus USA: Vermont Westmore: Westmore E. F. Williams 1898-6-16

GH: 00718717 Tragopogon pratensis Linnaeus USA: Massachusetts Ashfield: Ashfield E. F. Williams 1907-7-5

GH: 00718727 Tragopogon pratensis Linnaeus USA: Massachusetts Williamstown: Williamstown E. F. Williams 1901-6-16

NEBC: 00576115 Tussilago farfara Linnaeus USA: New Hampshire Jaffrey: Jaffrey E. F. Williams 1898-5-29

GH: 00576126 Tussilago farfara Linnaeus USA: Vermont Willoughby E. F. Williams 1894-7-30

NEBC: 00576131 Tussilago farfara Linnaeus USA: Vermont Willoughby E. F. Williams 1896-7-26

GH: 00551008 Tussilago farfara Linnaeus USA: Vermont Wallingford: Wallingford E. F. Williams 1908-5-25

NEBC: 00577067 Tussilago farfara Linnaeus USA: Massachusetts Somerville: Somerville E. F. Williams 1897-4-13

NEBC: 00577070 Tussilago farfara Linnaeus USA: Massachusetts Somerville: Somerville Junction E. F. Williams 1897-4-13

NEBC: 00577088 Tussilago farfara Linnaeus USA: Massachusetts Shelburne: Shelburne E. F. Williams 1901-6-18

GH: 00577103 Tussilago farfara Linnaeus USA: Massachusetts Stockbridge: Stockbridge E. F. Williams 1910-4-3

NEBC: 00735279 Vernonia noveboracensis (Linnaeus) Michaux USA: Massachusetts Weston: Weston E. F. Williams 1897-9-5

GH: 01851201 Xanthium orientale Linnaeus USA: Massachusetts Gloucester: Bay View E. F. Williams 1897-8-15

GH: 01851202 Xanthium orientale Linnaeus USA: Massachusetts Revere: Point of PInes E. F. Williams 1897-5-23

GH: 00718859 Xanthium spinosum Linnaeus USA: Massachusetts Dedham: Dedham E. F. Williams 1898-10-2

GH: 00735413 Xanthium strumarium canadense (Mill.) Torr. & A. Gray USA: New Hampshire Newcastle E. F. Williams 1901-9-19

GH: 00691803 Xanthium strumarium canadense (Mill.) Torr. & A. Gray USA: Massachusetts Boston: Boston, St. Botolph St. E. F. Williams 1895-9-13

GH: 00691813 Xanthium strumarium canadense (Mill.) Torr. & A. Gray USA: Massachusetts Scituate: Scituate E. F. Williams 1899-10-29

GH: 00691814 Xanthium strumarium canadense (Mill.) Torr. & A. Gray USA: Massachusetts Revere: Revere E. F. Williams 1 1896-8-22

GH: 00691815 Xanthium strumarium canadense (Mill.) Torr. & A. Gray USA: Massachusetts Craigville: E. F. Williams 2 1899-9-5

NEBC: 00691819 Xanthium strumarium canadense (Mill.) Torr. & A. Gray USA: Massachusetts Revere: Revere E. F. Williams 1897-5-23

GH: 00691829 Xanthium strumarium canadense (Mill.) Torr. & A. Gray USA: Massachusetts North Scituate E. F. Williams 1897-9-6

Athyriaceae
GH: 00678349 Athyrium filix-femina angustum (Willdenow) G. Lawson USA: New Hampshire Randolph: Randolph E. F. Williams 1896-7-30

GH: 00678351 Athyrium filix-femina angustum (Willdenow) G. Lawson USA: New Hampshire Randolph: Randolph E. F. Williams 1894-7-7

NEBC: 00678362 Athyrium filix-femina angustum (Willdenow) G. Lawson USA: New Hampshire Mount Washington E. F. Williams 1903-7-23

GH: 00733575 Athyrium filix-femina angustum (Willdenow) G. Lawson USA: Vermont Hancock: Hancock E. F. Williams 1908-7-5

GH: 00733644 Athyrium filix-femina angustum (Willdenow) G. Lawson USA: Massachusetts Rowley: Rowley E. F. Williams 1899-8-9

GH: 00668633 Athyrium filix-femina angustum (Willdenow) G. Lawson USA: Massachusetts Concord: Concord E. F. Williams 1908-8-10

NEBC: 00668843 Athyrium filix-femina angustum (Willdenow) G. Lawson USA: Rhode Island Portsmouth: Portsmouth E. F. Williams 1911-6-18

GH: 00678500 Athyrium filix-femina cyclosorum Ruprecht USA: New Hampshire Ripton E. F. Williams 1908-7-7

GH: 00678505 Athyrium filix-femina cyclosorum Ruprecht USA: Massachusetts Rockport: Rockport E. F. Williams 1897-8-15

GH: 00678506 Athyrium filix-femina cyclosorum Ruprecht USA: Massachusetts Rowley: Rowley E. F. Williams 1899-8-9

GH: 00576292 Cystopteris bulbifera (Linnaeus) Bernhardi USA: Vermont Willoughby E. F. Williams 1894-7-22

NEBC: 00576296 Cystopteris bulbifera (Linnaeus) Bernhardi USA: Vermont Willoughby Mt. E. F. Williams 1894-8-1

NEBC: 00576299 Cystopteris bulbifera (Linnaeus) Bernhardi USA: Vermont Willoughby E. F. Williams 1896-7-23

GH: 00551386 Cystopteris bulbifera (Linnaeus) Bernhardi USA: Massachusetts Ashfield: Ashfield E. F. Williams 1907-7-13

GH: 00551388 Cystopteris bulbifera (Linnaeus) Bernhardi USA: Massachusetts Colrain: Colrain E. F. Williams 1910-6-18

NEBC: 00668598 Cystopteris fragilis (Linnaeus) Bernhardi USA: Vermont Mansfield E. F. Williams 1897-7-3

NEBC: 00746390 Cystopteris tenuis (Michaux) Desvaux USA: Maine Frenchville: Frenchville E. F. Williams 1 1900-7-20

GH: 00746409 Cystopteris tenuis (Michaux) Desvaux USA: Maine Grafton E. F. Williams 1895-7-26

NEBC: 00746413 Cystopteris tenuis (Michaux) Desvaux USA: Maine Grafton E. F. Williams 1895-7-26

GH: 00746446 Cystopteris tenuis (Michaux) Desvaux USA: New Hampshire Randolph: Randolph E. F. Williams 1 1896-8-14

NEBC: 00746576 Cystopteris tenuis (Michaux) Desvaux USA: Massachusetts Woburn: Woburn, Shaker Glen E. F. Williams 1 1895-5-12

GH: 00746595 Cystopteris tenuis (Michaux) Desvaux USA: Massachusetts Ashfield: Ashfield E. F. Williams 1907-7-14

NEBC: 00746621 Cystopteris tenuis (Michaux) Desvaux USA: Massachusetts Goshen: Goshen E. F. Williams 1907-6-18

NEBC: 00746675 Cystopteris tenuis (Michaux) Desvaux USA: Connecticut Southington: Southington E. F. Williams 1901-5-30

GH: 00551487 Deparia acrostichoides (Swartz) M. Kato USA: New Hampshire Randolph: Randolph E. F. Williams 1896-8-14

GH: 00551488 Deparia acrostichoides (Swartz) M. Kato USA: New Hampshire Mt. Adams E. F. Williams 10 1896-8-14

NEBC: 00551505 Deparia acrostichoides (Swartz) M. Kato USA: New Hampshire Randolph: Randolph E. F. Williams 1894-7-11

GH: 00551528 Deparia acrostichoides (Swartz) M. Kato USA: New Hampshire Alstead: Alstead E. F. Williams 10 1901-7-27

NEBC: 00551532 Deparia acrostichoides (Swartz) M. Kato USA: New Hampshire Alstead: Alstead E. F. Williams 1901-7-27

GH: 00551560 Deparia acrostichoides (Swartz) M. Kato USA: Vermont Granville: Granville E. F. Williams 1908-7-18

NEBC: 00551625 Deparia acrostichoides (Swartz) M. Kato USA: Massachusetts Ashfield: Ashfield E. F. Williams 1909-7-18

NEBC: 00551694 Deparia acrostichoides (Swartz) M. Kato USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2

GH: 00662399 Gymnocarpium dryopteris (Linnaeus) Newman USA: New Hampshire Warren: Warren E. F. Williams 1907-7-18

NEBC: 00662433 Gymnocarpium dryopteris (Linnaeus) Newman USA: New Hampshire E. F. Williams 2 1894-7-8

GH: 00662519 Gymnocarpium dryopteris (Linnaeus) Newman USA: Vermont Leicester: Leicester E. F. Williams 1908

GH: 00695458 Gymnocarpium dryopteris (Linnaeus) Newman USA: Connecticut Southington: Southington E. F. Williams 1901-5-30

GH: 00695491 Homalosorus pycnocarpos (Sprengel) Pichi Sermolli USA: New Hampshire Alstead: Alstead E. F. Williams 1901-7-27

GH: 00695504 Homalosorus pycnocarpos (Sprengel) Pichi Sermolli USA: Vermont Leicester: Leicester E. F. Williams 1908-5-22

NEBC: 00551761 Matteuccia struthiopteris (Linnaeus) Todaro USA: New Hampshire Dummer: Dummer E. F. Williams 1895-7-29

NEBC: 00551762 Matteuccia struthiopteris (Linnaeus) Todaro USA: New Hampshire Dummer: Dummer E. F. Williams 1895-7-29

NEBC: 00551779 Matteuccia struthiopteris (Linnaeus) Todaro USA: New Hampshire Warren: Warren E. F. Williams 1907-7-22

GH: 00551797 Matteuccia struthiopteris (Linnaeus) Todaro USA: New Hampshire Jefferson: Jefferson E. F. Williams 1894-7-17

NEBC: 00551800 Matteuccia struthiopteris (Linnaeus) Todaro USA: Vermont Willoughby E. F. Williams 1894-7-30

GH: 00577315 Matteuccia struthiopteris (Linnaeus) Todaro USA: Vermont Willoughby E. F. Williams 1894-7-30

NEBC: 00551849 Matteuccia struthiopteris (Linnaeus) Todaro USA: Massachusetts South Lawrence E. F. Williams 1910-6-3

NEBC: 00551874 Matteuccia struthiopteris (Linnaeus) Todaro USA: Massachusetts Ashfield: Ashfield E. F. Williams 1907-6-19

GH: 00746819 Onoclea sensibilis Linnaeus USA: Maine Middle Dam E. F. Williams 1903-8-2

NEBC: 00746883 Onoclea sensibilis Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-29

GH: 00746885 Onoclea sensibilis Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-29

GH: 00746897 Onoclea sensibilis Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1908-7-23

GH: 00746943 Onoclea sensibilis Linnaeus USA: Vermont Willoughby E. F. Williams 1894-7-31

NEBC: 00746983 Onoclea sensibilis Linnaeus USA: Massachusetts Boxford: Boxford E. F. Williams 1899-8-6

NEBC: 00662876 Onoclea sensibilis Linnaeus USA: Massachusetts Lexington: E. [East] Lexington E. F. Williams 1894-5-27

GH: 00662905 Onoclea sensibilis Linnaeus USA: Massachusetts Dedham: Dedham E. F. Williams 1901-7-21

GH: 00695872 Onoclea sensibilis Linnaeus USA: Rhode Island Middletown: Middletown E. F. Williams 1908-5-30

Aytoniaceae
NEBC: 00509943 Reboulia hemisphaerica (Linnaeus) Raddi USA: Massachusetts Sunderland: [data not captured] E. F. Williams 1895-6-2

Balsaminaceae
GH: 00484163 Impatiens capensis Meerburgh USA: New Hampshire Randolph: Randolph E. F. Williams 1895-8-1

GH: 00517996 Impatiens capensis Meerburgh USA: Vermont Ripton: Ripton E. F. Williams 1908-7-13

NEBC: 00484261 Impatiens capensis Meerburgh USA: Massachusetts Centreville E. F. Williams 1898-9-4

GH: 00484350 Impatiens capensis Meerburgh USA: Rhode Island Rumford E. F. Williams 1903-9-6

GH: 01069292 Impatiens pallida Nuttall USA: Massachusetts Ashfield: Ashfield E. F. Williams 1909-8-4

GH: 01069293 Impatiens pallida Nuttall USA: Massachusetts Ashfield: Ashfield E. F. Williams 1909-7-10

GH: 01069296 Impatiens pallida Nuttall USA: Massachusetts Colrain: Colrain E. F. Williams 1909-8-4

Bartramiaceae
NEBC: 00301825 Bartramia pomiformis Hedwig USA: Massachusetts Cascade, Middlesex Fells E. F. Williams 1895-4-19

NEBC: 00516853 Bartramia pomiformis Hedwig USA: Vermont Mount Mansfield: [data not captured] E. F. Williams 1897-7-7

NEBC: 00824817 Philonotis fontana (Hedwig) Bridel USA: Maine [data not captured] E. F. Williams 1900

NEBC: 00456166 Philonotis fontana (Hedwig) Bridel USA: New Hampshire [no additional data] E. F. Williams 1895-7-8

FH: 00824707 Philonotis sp. USA: Massachusetts Gloucester: [no additional data] E. F. Williams 1897-8-15

Berberidaceae
GH: 00606652 Berberis vulgaris Linnaeus USA: New Hampshire Rye: Rye E. F. Williams 1903-6-14

NEBC: 00606717 Berberis vulgaris Linnaeus USA: Massachusetts Chestnut Hill E. F. Williams 1895-5-30

GH: 00606724 Berberis vulgaris Linnaeus USA: Massachusetts Waltham: Waltham, Feake's hill [Mount Feake] E. F. Williams 1898-11-13

NEBC: 00606794 Berberis vulgaris Linnaeus USA: Rhode Island Cumberland: Cumberland E. F. Williams 1903-9-13

GH: 00832693 Caulophyllum giganteum (Farw.) Loconte & Blackwell USA: Massachusetts Concord: Concord E. F. Williams 1898-5-8

GH: 00832703 Caulophyllum giganteum (Farw.) Loconte & Blackwell USA: Vermont Leicester: Leicester E. F. Williams 1 1908-5-22

GH: 00832704 Caulophyllum giganteum (Farw.) Loconte & Blackwell USA: Vermont Hancock: Hancock E. F. Williams 1908-7-5

GH: 00697855 Caulophyllum thalictroides (Linnaeus) Michaux USA: New Hampshire Alstead: Alstead E. F. Williams 1901-7-27

NEBC: 00697864 Caulophyllum thalictroides (Linnaeus) Michaux USA: Vermont Willoughby E. F. Williams 1896-7-18

GH: 00697894 Caulophyllum thalictroides (Linnaeus) Michaux USA: Massachusetts Boxford: Boxford E. F. Williams 1906-8-9

NEBC: 00697908 Caulophyllum thalictroides (Linnaeus) Michaux USA: Massachusetts Ashfield: Ashfield E. F. Williams 1907-7-3

GH: 00834010 Podophyllum peltatum Linnaeus USA: Vermont East Middlebury E. F. Williams

GH: 00834016 Podophyllum peltatum Linnaeus USA: Massachusetts Concord: Concord E. F. Williams 1898-5-8

GH: 00834031 Podophyllum peltatum Linnaeus USA: Massachusetts Ashfield: Ashfield E. F. Williams 1909-8-8

Betulaceae
GH: 00579800 Alnus glutinosa (Linnaeus) Gaertner USA: Massachusetts Medford: Medford E. F. Williams 2 1899-4-30

NEBC: 00354790 Alnus incana (Linnaeus) Moench USA: Massachusetts Middlesex Fells Reserv. E. F. Williams 1895-4-19

NEBC: 00354791 Alnus incana (Linnaeus) Moench USA: Massachusetts Norwood: Purgatory E. F. Williams 1895-3-24

GH: 00354725 Alnus rugosa (Du Roi) Sprengel USA: Massachusetts Milton: Houghtons pond, Blue Hills Reserv. E. F. Williams 1895-8-11

NEBC: 00354790 Alnus rugosa (Du Roi) Sprengel USA: Massachusetts Middlesex Fells Reserv. E. F. Williams 1895-4-19

NEBC: 00354794 Alnus rugosa (Du Roi) Sprengel USA: Massachusetts Blue Hills Reservn. E. F. Williams 1895-8-11

GH: 00354725 Alnus serrulata (Aiton) Willdenow USA: Massachusetts Milton: Houghtons pond, Blue Hills Reserv. E. F. Williams 1895-8-11

NEBC: 00354790 Alnus serrulata (Aiton) Willdenow USA: Massachusetts Middlesex Fells Reserv. E. F. Williams 1895-4-19

NEBC: 00354794 Alnus serrulata (Aiton) Willdenow USA: Massachusetts Blue Hills Reservn. E. F. Williams 1895-8-11

GH: 00657613 Alnus viridis crispa (Aiton) Turrill USA: New Hampshire Crawford's Purchase E. F. Williams 1895-7-16

NEBC: 00657619 Alnus viridis crispa (Aiton) Turrill USA: New Hampshire White Mountains E. F. Williams 1907-10-2

NEBC: 00657633 Alnus viridis crispa (Aiton) Turrill USA: Vermont Willoughby E. F. Williams 1898-7-11

NEBC: 00657634 Alnus viridis crispa (Aiton) Turrill USA: Vermont Willoughby E. F. Williams 1905-5-19

NEBC: 00657636 Alnus viridis crispa (Aiton) Turrill USA: Vermont Willoughby E. F. Williams 1898-9-19

NEBC: 00657638 Alnus viridis crispa (Aiton) Turrill USA: Vermont Willoughby E. F. Williams 1901-5-26

NEBC: 00666966 Alnus viridis crispa (Aiton) Turrill USA: Vermont Willoughby E. F. Williams 1904-9-17

GH: 00312653 Betula alleghaniensis Britton USA: Massachusetts Middlesex Fells Reservation E. F. Williams 1895-4-19

NEBC: 00657862 Betula alleghaniensis Britton USA: Maine Bethel: Bethel E. F. Williams 1895-7-25

GH: 00636662 Betula alleghaniensis Britton USA: New Hampshire Warren: Warren E. F. Williams 1908-7-23

NEBC: 00636704 Betula alleghaniensis Britton USA: Vermont Willoughby E. F. Williams 1898-7-22

NEBC: 00636705 Betula alleghaniensis Britton USA: Vermont Willoughby E. F. Williams 1898-7-11

GH: 00636708 Betula alleghaniensis Britton USA: Vermont Lunenburg: Lunenburg E. F. Williams 1892-5-17

NEBC: 00636748 Betula alleghaniensis Britton USA: Massachusetts Burlington: Burlington E. F. Williams 1 1900-5-6

NEBC: 00627182 Betula alleghaniensis Britton USA: Massachusetts Blue Hills Reservation E. F. Williams 1903-2-1

GH: 00636775 Betula alleghaniensis Britton USA: Rhode Island North Kingstown: North Kingstown E. F. Williams 1908-6-17

GH: 00636776 Betula alleghaniensis Britton USA: Rhode Island North Kingstown: North Kingstown E. F. Williams 1908-6-17

NEBC: 00636821 Betula cordifolia Regel USA: Maine Mount Aziscoos E. F. Williams 1 1903-7-31

GH: 00634013 Betula cordifolia Regel USA: Maine Camden: Camden E. F. Williams 1902-7-20

NEBC: 00634014 Betula cordifolia Regel USA: Maine Camden: Camden E. F. Williams 1902-8-16

NEBC: 00634019 Betula cordifolia Regel USA: Maine Wells: Wells E. F. Williams 1900-8-23

GH: 00634020 Betula cordifolia Regel USA: Maine Wells: Wells E. F. Williams 1900-8-23

NEBC: 00634032 Betula cordifolia Regel USA: New Hampshire Mount Washington E. F. Williams 1 1895-7-11

NEBC: 00634033 Betula cordifolia Regel USA: New Hampshire Mount Washington E. F. Williams 1 1901-8-6

GH: 00634041 Betula cordifolia Regel USA: New Hampshire Mount Moosilauke E. F. Williams 1908-8-3

GH: 00634042 Betula cordifolia Regel USA: New Hampshire Mount Moosilauke E. F. Williams 1 1907-7-19

GH: 00657993 Betula cordifolia Regel USA: Vermont Mount Mansfield E. F. Williams 1897-7-2

GH: 00657992 Betula cordifolia Regel USA: New Hampshire Mount Washington E. F. Williams 1898-6-24

NEBC: 00657995 Betula cordifolia Regel USA: Vermont Mount Mansfield E. F. Williams 1897-7-2

NEBC: 00678883 Betula glandulosa Michaux USA: Maine Mount Katahdin E. F. Williams 1 1900-7-11

GH: 00678908 Betula glandulosa Michaux USA: New Hampshire Mount Washington E. F. Williams 1 1901-8-4

NEBC: 00678923 Betula glandulosa Michaux USA: New Hampshire Mount Washington E. F. Williams 1896-8-8

NEBC: 00678924 Betula glandulosa Michaux USA: New Hampshire Mount Washington E. F. Williams 1896-8-8

NEBC: 00678930 Betula glandulosa Michaux USA: New Hampshire Thompson and Meserves E. F. Williams 1 1898-6-24

NEBC: 00678929 Betula glandulosa Michaux USA: New Hampshire Thompson and Meserves E. F. Williams 2 1898-6-26

NEBC: 00678931 Betula glandulosa Michaux USA: New Hampshire Sargents E. F. Williams 3 1898-6-28

GH: 00678940 Betula glandulosa Michaux USA: Maine Mount Katahdin E. F. Williams 1900-7-11

GH: 00634428 Betula lenta Linnaeus USA: Vermont Wallingford: Wallingford E. F. Williams 1908-5-25

NEBC: 00634453 Betula lenta Linnaeus USA: Massachusetts Newton: Chestnut Hill, Mass., near Hammond p... E. F. Williams 1895-5-30

NEBC: 00634460 Betula lenta Linnaeus USA: Massachusetts Waltham: Waltham E. F. Williams 1897-5-16

NEBC: 00634465 Betula lenta Linnaeus USA: Massachusetts Woburn: Woburn, Shaker Glen E. F. Williams 1897-5-9

GH: 00312653 Betula lutea F. Michaux USA: Massachusetts Middlesex Fells Reservation E. F. Williams 1895-4-19

NEBC: 00678574 Betula minor (Tuckerman) Fernald USA: New Hampshire Mount Washington E. F. Williams 1895-7-8

NEBC: 00678577 Betula minor (Tuckerman) Fernald USA: New Hampshire Mount Washington E. F. Williams 1898-6-24

GH: 00678965 Betula nigra Linnaeus USA: Massachusetts South Lawrence E. F. Williams 1900-6-3

NEBC: 00678967 Betula nigra Linnaeus USA: Massachusetts South Lawrence E. F. Williams 1900-6-3

GH: 00634624 Betula papyrifera Marshall USA: Maine E. F. Williams 1901-2-27

GH: 00634673 Betula papyrifera Marshall USA: Vermont Westmore: Westmore E. F. Williams 1896-7-18

GH: 00634674 Betula papyrifera Marshall USA: Vermont Westmore: Westmore E. F. Williams 1896-7-18

GH: 00634697 Betula papyrifera Marshall USA: Vermont Middlebury: Middlebury E. F. Williams 1908-7-8

GH: 00634700 Betula papyrifera Marshall USA: Vermont Sudbury: Sudbury E. F. Williams 1908-5-23

GH: 00634727 Betula papyrifera Marshall USA: Massachusetts Boxford: Boxford E. F. Williams 1906-8-18

GH: 00627167 Betula papyrifera Marshall USA: Massachusetts Billerica: No. [North] Billerica E. F. Williams 1900-10-21

NEBC: 00727038 Betula papyrifera Marshall USA: Massachusetts Winchester: Winchester E. F. Williams 1897-5-9

GH: 00727042 Betula papyrifera Marshall USA: Massachusetts Middlesex Fells Reservation E. F. Williams 1 1896-5-3

GH: 00727043 Betula papyrifera Marshall USA: Massachusetts Winchester: Winchester E. F. Williams 2 1897-5-9

GH: 00727047 Betula papyrifera Marshall USA: Massachusetts Revere: Revere E. F. Williams 1896-6-28

A: 00727049 Betula papyrifera Marshall USA: Massachusetts Revere: Revere E. F. Williams 1896-8-30

GH: 00727050 Betula papyrifera Marshall USA: Massachusetts Revere: Revere E. F. Williams 1896-8-30

NEBC: 00727051 Betula papyrifera Marshall USA: Massachusetts Revere: Revere E. F. Williams 1896-8-30

GH: 00727060 Betula papyrifera Marshall USA: Massachusetts Norwood: Norwood E. F. Williams 1 1895-3-24

GH: 00567819 Betula pendula Roth USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-11

GH: 00627350 Betula populifolia Marshall USA: Maine Mount Desert Island: Mount Desert Island E. F. Williams 1899-7-18

GH: 00627415 Betula populifolia Marshall USA: New Hampshire Warren: Warren E. F. Williams 1908-8-2

GH: 00627460 Betula populifolia Marshall USA: Massachusetts Revere: Revere E. F. Williams 1896-6-28

GH: 00627561 Betula populifolia Marshall USA: Rhode Island Providence: Providence E. F. Williams 1904-5-22

GH: 00727099 Betula populifolia Marshall USA: Rhode Island Cumberland: Cumberland E. F. Williams 1904-5-15

GH: 00627566 Betula populifolia Marshall USA: Rhode Island Cumberland: Cumberland E. F. Williams

GH: 00627631 Betula populifolia Marsh. USA: New Hampshire Jaffrey: Jaffrey E. F. Williams 1 1899-5-30

GH: 00727167 Carpinus caroliniana virginiana (Marsh.) Furlow USA: Vermont Brandon: Brandon E. F. Williams 1908-5-23

NEBC: 00727220 Carpinus caroliniana virginiana (Marsh.) Furlow USA: Massachusetts Woburn: Winchester, Zion's Hill [Zion Hill i... E. F. Williams 1 1895-6-2

NEBC: 00727221 Carpinus caroliniana virginiana (Marsh.) Furlow USA: Massachusetts Hyde Park E. F. Williams 2 1895-6-9

GH: 00727305 Carpinus caroliniana virginiana (Marsh.) Furlow USA: Massachusetts Williamstown: Williamstown E. F. Williams 1 1901-6-17

GH: 00727317 Carpinus caroliniana virginiana (Marsh.) Furlow USA: Rhode Island North Kingstown: North Kingstown E. F. Williams 1908-6-17

NEBC: 00354771 Corylus americana Walter USA: Massachusetts Blue Hills Reservation E. F. Williams 1896-4-26

NEBC: 00354772 Corylus americana Walter USA: Massachusetts Blue Hills Reservation E. F. Williams 1896-4-26

NEBC: 00354773 Corylus americana Walter USA: Massachusetts Sharon: E. F. Williams 1896-7-12

GH: 00627858 Corylus americana Walter USA: New Hampshire Walpole: Walpole E. F. Williams 1901-7-28

GH: 00627869 Corylus americana Walter USA: Massachusetts Georgetown: Georgetown E. F. Williams 1906-7-14

GH: 00627935 Corylus americana Walter USA: Massachusetts Wilmington: Wilmington E. F. Williams 1900-4-21

GH: 00627936 Corylus americana Walter USA: Massachusetts Barnstable Town E. F. Williams 1896-4-19

GH: 00727582 Corylus cornuta Marshall USA: Vermont Willoughby Mountain E. F. Williams 1896-7-24

GH: 00727613 Corylus cornuta Marshall USA: Massachusetts Boxford: Boxford E. F. Williams 1906-8-9

NEBC: 00727618 Corylus cornuta Marshall USA: Massachusetts Burlington: Burlington E. F. Williams 1 1900-4-22

NEBC: 00727700 Corylus cornuta Marshall USA: Massachusetts Boston: West Roxbury E. F. Williams 1896-4-12

GH: 00727702 Corylus cornuta Marshall USA: Massachusetts Boston: West Roxbury,Cottage St. [Road] E. F. Williams 1896-4-12

GH: 00727701 Corylus cornuta Marshall USA: Massachusetts Canton: Canton E. F. Williams 1896-4-5

GH: 00727703 Corylus cornuta Marshall USA: Massachusetts Barnstable Town E. F. Williams 1896-4-18

GH: 00727704 Corylus cornuta Marshall USA: Massachusetts Blue Hills Reservation E. F. Williams 1896-4-26

NEBC: 00727724 Corylus cornuta Marshall USA: Massachusetts Barnstable Town E. F. Williams 1896-4-18

NEBC: 00727737 Corylus cornuta Marshall USA: Massachusetts Falmouth: Falmouth E. F. Williams 1911-7-11

NEBC: 00727739 Corylus cornuta Marshall USA: Massachusetts Falmouth: Falmouth E. F. Williams 1911-7-13

NEBC: 00746019 Corylus cornuta Marshall USA: Massachusetts Mount Washington: Washington E. F. Williams 1910-4-6

GH: 00746026 Corylus cornuta Marshall USA: Rhode Island Middletown: Middletown E. F. Williams 1909-4-18

NEBC: 00746089 Ostrya virginiana (Miller) K. Koch USA: Maine Mount Desert (Hancock County): Mount Desert E. F. Williams 1908-8-11

NEBC: 00662571 Ostrya virginiana (Miller) K. Koch USA: Massachusetts Boxford: Boxford E. F. Williams 1906-8-3

NEBC: 00662010 Ostrya virginiana (Miller) K. Koch USA: Massachusetts Woburn: Woburn, Shaker Glen E. F. Williams 1895-9-1

NEBC: 00662011 Ostrya virginiana (Miller) K. Koch USA: Massachusetts Norwood: Norwood E. F. Williams 1895-6-23

NEBC: 00746157 Ostrya virginiana (Miller) K. Koch USA: Rhode Island Middletown: Middletown E. F. Williams 1908-5-31

GH: 02103720 Ostrya virginiana glandulosa Sargent USA: Massachusetts [data not captured] E. F. Williams 1909-8-6

Bignoniaceae
GH: 00685218 Catalpa bignonioides Walter USA: Massachusetts Boston: Boston, in Back bay E. F. Williams 1910-8-27

GH: 02054798 Catalpa speciosa Teas USA: New Jersey Locust, N. J. E. F. Williams 1900-6-18

Blechnaceae
NEBC: 00628268 Woodwardia areolata (Linnaeus) T. Moore USA: Massachusetts Norwood: Norwood E. F. Williams 1894-8-26

NEBC: 00342701 Woodwardia virginica (Linnaeus) Smith USA: Massachusetts Gardners Swamp, Blue Hills Reservation E. F. Williams 1894-9-23

NEBC: 00342707 Woodwardia virginica (Linnaeus) Smith USA: Massachusetts Boston: Stony Brook Reserv. [Hyde Park/West ... E. F. Williams 1896-8-22

NEBC: 00708662 Woodwardia virginica (Linnaeus) Smith USA: Massachusetts Gosnold: Gosnold E. F. Williams 1911-7-10

NEBC: 00708663 Woodwardia virginica (Linnaeus) Smith USA: Massachusetts Gosnold: Gosnold E. F. Williams 1911-7-10

Boraginaceae
GH: 00685920 Amsinckia lycopsoides Lehmann USA: Connecticut Southington: Southington E. F. Williams 1901-5-30

GH: 00685945 Anchusa officinalis Linnaeus USA: Massachusetts Boston: Boston, Back Bay lands E. F. Williams 1903-6-23

GH: 00718910 Buglossoides arvensis (Linnaeus) I. M. Johnston USA: Massachusetts Burlington: Burlington E. F. Williams 1 1903-5-17

GH: 00718921 Buglossoides arvensis (Linnaeus) I. M. Johnston USA: Massachusetts Waltham: Waltham, Prospect Hill E. F. Williams 1897-5-16

GH: 01038372 Bulgossoides arvensis (Linnaeus) I. M. Johnston USA: Maine Washington: Washington E. F. Williams

GH: 00718979 Cynoglossum officinale Linnaeus USA: Massachusetts Dedham: Dedham E. F. Williams 1901-7-21

GH: 00718982 Cynoglossum officinale Linnaeus USA: Massachusetts Ashfield: Ashfield E. F. Williams 1907-7-14

NEBC: 00718983 Cynoglossum officinale Linnaeus USA: Massachusetts Ashfield: Ashfield E. F. Williams 1907-7-14

GH: 00718985 Cynoglossum officinale Linnaeus USA: Massachusetts Williamstown: Williamstown E. F. Williams 1901-6-17

NEBC: 00655302 Echium vulgare Linnaeus USA: Massachusetts Revere: Revere E. F. Williams 1894-8-19

NEBC: 00655318 Echium vulgare Linnaeus USA: Massachusetts Barnstable: Barnstable, Centerville E. F. Williams 1896-7-5

NEBC: 00655329 Echium vulgare Linnaeus USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-22

GH: 00638519 Hackelia virginiana (Linnaeus) I. M. Johnston USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-14

GH: 00638524 Hackelia virginiana (Linnaeus) I. M. Johnston USA: New Hampshire Alstead: Alstead E. F. Williams 1901-7-27

GH: 00638554 Hackelia virginiana (Linnaeus) I. M. Johnston USA: Massachusetts Newton: Newton, at Riverside E. F. Williams 1897-9-5

NEBC: 00638555 Hackelia virginiana (Linnaeus) I. M. Johnston USA: Massachusetts Newton: Newton, Riverside E. F. Williams 1897-9-5

NEBC: 00735052 Heliotropium amplexicaule Vahl USA: Massachusetts Cambridge: Cambridge, Huron Avenue E. F. Williams 1910-9-3

GH: 00716729 Lappula echinata Gilibert USA: Massachusetts Dedham: Dedham E. F. Williams 1901-7-21

GH: 01019819 Lithospermum officinale Linnaeus USA: Massachusetts Colrain: Colrain, Valley of the Green River E. F. Williams 1910-6-18

GH: 00676885 Lithospermum virginianum Linnaeus USA: Massachusetts Barnstable Town E. F. Williams 1896-7-5

NEBC: 00676886 Lithospermum virginianum Linnaeus USA: Massachusetts Barnstable Town E. F. Williams 1898-9-5

NEBC: 00676887 Lithospermum virginianum Linnaeus USA: Massachusetts Barnstable Town E. F. Williams 1896-7-5

GH: 00676896 Lithospermum virginianum Linnaeus USA: Massachusetts Nantucket: Nantucket E. F. Williams 1894-9-8

NEBC: 00638634 Mertensia maritima (Linnaeus) Gray USA: Maine Cranberry Isles: Great Cranberry Island E. F. Williams 1897-7-17

NEBC: 00638635 Mertensia maritima (Linnaeus) Gray USA: Maine Mount Desert (Hancock County): Seal Harbor E. F. Williams 1899-7-16

GH: 00638659 Mertensia maritima (Linnaeus) Gray USA: Maine Cranberry Isles: Little Cranberry Island E. F. Williams 1899-7-24

GH: 00638661 Mertensia maritima (Linnaeus) Gray USA: Maine Mount Desert (Hancock County): Little Harbor E. F. Williams 1893-9-3

GH: 00676977 Myosotis laxa Lehmann USA: Massachusetts Lincoln: Lexington, foot Mt. Tabor [Mt. Tabo... E. F. Williams 1897-6-6

NEBC: 00676997 Myosotis laxa Lehmann USA: Massachusetts Sharon: Sharon E. F. Williams 1896-6-17

GH: 00676999 Myosotis laxa Lehmann USA: Massachusetts Sharon: Sharon E. F. Williams 1896-6-17

NEBC: 00716765 Myosotis laxa Lehmann USA: Rhode Island Providence: Providence E. F. Williams 1896-5-20

GH: 00577177 Myosotis scorpioides Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-14

NEBC: 00577192 Myosotis scorpioides Linnaeus USA: New Hampshire Alstead: Alstead E. F. Williams 1901-7-27

GH: 00577199 Myosotis scorpioides Linnaeus USA: Vermont Barton: Barton E. F. Williams 1898-6-16

NEBC: 00577261 Myosotis scorpioides Linnaeus USA: Massachusetts Readville E. F. Williams 1895-9-8

GH: 00577271 Myosotis scorpioides Linnaeus USA: Massachusetts Scituate: Scituate E. F. Williams 1898-7-10

GH: 00577289 Myosotis scorpioides Linnaeus USA: Massachusetts Ashfield: Ashfield E. F. Williams 1909-7-9

GH: 00656695 Myosotis stricta Link ex Roemer & Schultes USA: Massachusetts Revere: Revere E. F. Williams 1897-5-23

GH: 00656694 Myosotis stricta Link ex Roemer & Schultes USA: Massachusetts Revere: Revere E. F. Williams 1897-6-12

GH: 00656697 Myosotis stricta Link ex Roemer & Schultes USA: Massachusetts Revere: Revere E. F. Williams 1897-6-12

GH: 00656701 Myosotis stricta Link ex Roemer & Schultes USA: Massachusetts Milton: Milton E. F. Williams 1901-5-12

NEBC: 00716827 Myosotis verna Nuttall USA: Massachusetts Walpole: Walpole E. F. Williams 1897-6-17

NEBC: 00716828 Myosotis verna Nuttall USA: Massachusetts Waltham: Waltham, Prospect Hill E. F. Williams 1897-5-16

NEBC: 00716838 Myosotis verna Nuttall USA: Massachusetts Revere: Revere E. F. Williams 1897-6-12

NEBC: 00716839 Myosotis verna Nuttall USA: Massachusetts Revere: Revere E. F. Williams 1897-5-23

NEBC: 00716879 Myosotis verna Nuttall USA: Rhode Island Providence: Providence E. F. Williams 185 1901-5-29

GH: 00716880 Myosotis verna Nuttall USA: Rhode Island Middletown: Middletown E. F. Williams 2 1908-5-31

GH: 00716886 Myosotis verna Nuttall USA: Connecticut Stratford: Stratford E. F. Williams 1904-6-9

GH: 00633133 Symphytum officinale Linnaeus USA: Massachusetts Georgetown: Georgetown E. F. Williams 1906-7-4

NEBC: 00633141 Symphytum officinale Linnaeus USA: Massachusetts Woburn: Woburn E. F. Williams 1896-5-30

GH: 00633143 Symphytum officinale Linnaeus USA: Massachusetts Woburn: Woburn E. F. Williams 1896-5-30

GH: 00633142 Symphytum officinale Linnaeus USA: Massachusetts Woburn: Woburn E. F. Williams 1898-11-20

NEBC: 00633149 Symphytum officinale Linnaeus USA: Massachusetts Canton: Canton E. F. Williams 1897-11-7

GH: 00633152 Symphytum officinale Linnaeus USA: Massachusetts West Falmouth E. F. Williams 1901-7-14

GH: 00633156 Symphytum officinale Linnaeus USA: Massachusetts Ashfield: Ashfield E. F. Williams 1909-7-19

NEBC: 00633157 Symphytum officinale Linnaeus USA: Massachusetts Ashfield: Ashfield E. F. Williams 1907-7-12

Brassicaceae
GH: 00617682 Arabidopsis lyrata (Linnaeus) O'Kane & Al-Shehbaz USA: Connecticut Stratford: Stratford E. F. Williams 1901-6-9

GH: 00992643 Arabidopsis lyrata (Linnaeus) O'Kane & Al-Shehbaz USA: New Jersey Sandy Hook [Middleton Township] E. F. Williams 1900-6-19

GH: 00295968 Arabis canadensis Linnaeus USA: Massachusetts Blue Hills Res. [Reservation] E. F. Williams 1900-6-25

NEBC: 00348532 Arabis canadensis Linnaeus USA: Massachusetts Milton: [Blue Hills Reservation] E. F. Williams 1895-6-9

GH: 00348569 Arabis laevigata (Muhlenberg ex Willdenow) Poiret USA: Massachusetts Boston: Bearberry Hill, Stony Brook Reserv. ... E. F. Williams 1897-5-30

NEBC: 00348570 Arabis laevigata (Muhlenberg ex Willdenow) Poiret USA: Massachusetts Boston: Stony Brook Reserv. [Hyde Park/West ... E. F. Williams 1897-5-30

GH: 00348569 Arabis missouriensis Greene USA: Massachusetts Boston: Bearberry Hill, Stony Brook Reserv. ... E. F. Williams 1897-5-30

GH: 01065403 Arabis pycnocarpa M. Hopkins USA: Vermont Brandon: Brandon E. F. Williams 1 1908-5-24

GH: 00348569 Arabis sp. USA: Massachusetts Boston: Bearberry Hill, Stony Brook Reserv. ... E. F. Williams 1897-5-30

NEBC: 00348570 Arabis sp. USA: Massachusetts Boston: Stony Brook Reserv. [Hyde Park/West ... E. F. Williams 1897-5-30

GH: 00348569 Arabis viridis Harger USA: Massachusetts Boston: Bearberry Hill, Stony Brook Reserv. ... E. F. Williams 1897-5-30

NEBC: 00348570 Arabis viridis Harger USA: Massachusetts Boston: Stony Brook Reserv. [Hyde Park/West ... E. F. Williams 1897-5-30

GH: 00348308 Armoracia lapathifolia Gilibert USA: Massachusetts Blue Hills Reservation E. F. Williams 1900-6-10

GH: 00348308 Armoracia rusticana G. Gaertner, B. Meyer & Scherbius USA: Massachusetts Blue Hills Reservation E. F. Williams 1900-6-10

GH: 00558061 Armoracia rusticana G. Gaertner, B. Meyer & Scherbius USA: New Hampshire Warren: Warren E. F. Williams 1910-7-31

GH: 00558070 Armoracia rusticana G. Gaertner, B. Meyer & Scherbius USA: Vermont Middlebury: Middlebury E. F. Williams 1908-5-27

GH: 00558072 Armoracia rusticana G. Gaertner, B. Meyer & Scherbius USA: Vermont Norwich: Norwich E. F. Williams 1910-7-8

GH: 00558076 Armoracia rusticana G. Gaertner, B. Meyer & Scherbius USA: Vermont Sudbury: Sudbury E. F. Williams 1908-5-23

GH: 00558106 Armoracia rusticana G. Gaertner, B. Meyer & Scherbius USA: Massachusetts Sharon: Sharon E. F. Williams 1896-6-17

GH: 00712860 Barbarea orthoceras Ledebour USA: New Hampshire Mount Washington E. F. Williams 1 1895-7-11

NEBC: 00712887 Barbarea stricta Andrzejowski USA: Massachusetts Chestnut Hill, Mass., Boylston St. E. F. Williams 1895-5-30

GH: 00712906 Barbarea stricta Andrzejowski USA: Rhode Island Middletown: Middletown E. F. Williams 1908-5-30

NEBC: 00610661 Barbarea verna (Miller) Ascherson USA: Connecticut Stratford: Stratford E. F. Williams 1901-6-9

GH: 00974834 Barbarea verna (Miller) Ascherson USA: New Jersey Locust [Middletown Township] E. F. Williams 1900-4-18

GH: 00974905 Barbarea vulgaris W. T. Aiton Canada: Quebec Province [data not captured] E. F. Williams 1905-8-3

GH: 00448698 Barbarea vulgaris W. T. Aiton USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-18

GH: 00448700 Barbarea vulgaris W. T. Aiton USA: New Hampshire Warren: Warren E. F. Williams 1910-7-21

GH: 00448745 Barbarea vulgaris W. T. Aiton USA: Vermont Norwich: Norwich E. F. Williams 1910-7-9

GH: 00448750 Barbarea vulgaris W. T. Aiton USA: Vermont Wallingford: Wallingford E. F. Williams 1908-5-25

NEBC: 00448810 Barbarea vulgaris W. T. Aiton USA: Massachusetts Revere: Revere E. F. Williams 1895-5-26

GH: 00448812 Barbarea vulgaris W. T. Aiton USA: Massachusetts Revere: Revere E. F. Williams 1895-5-26

GH: 00448897 Barbarea vulgaris W. T. Aiton USA: Rhode Island Lonsdale: Lonsdale E. F. Williams 1 1904-5-15

GH: 00448901 Barbarea vulgaris W. T. Aiton USA: Rhode Island Middletown: Middletown E. F. Williams 127 1909-7-5

NEBC: 00735089 Berteroa mutabilis (Ventenat) de Candolle USA: Massachusetts Dedham: Dedham E. F. Williams 1897-8-22

NEBC: 00735090 Berteroa mutabilis (Ventenat) de Candolle USA: Massachusetts Dedham: Dedham E. F. Williams 1897-8-22

GH: 00735092 Berteroa mutabilis (Ventenat) de Candolle USA: Massachusetts Dedham: Dedham E. F. Williams 1898-10-2

GH: 00735093 Berteroa mutabilis (Ventenat) de Candolle USA: Massachusetts Dedham: Dedham E. F. Williams 1897-8-22

GH: 00295968 Boechera canadensis (Linnaeus) Al-Shehbaz USA: Massachusetts Blue Hills Res. [Reservation] E. F. Williams 1900-6-25

NEBC: 00348532 Boechera canadensis (Linnaeus) Al-Shehbaz USA: Massachusetts Milton: [Blue Hills Reservation] E. F. Williams 1895-6-9

GH: 01065479 Boechera canadensis (Linnaeus) Al-Shehbaz USA: Massachusetts Lexington: Lexington E. F. Williams 1897-9-19

GH: 01007701 Boechera canadensis (Linnaeus) Al-Shehbaz USA: Massachusetts Revere: Revere E. F. Williams 1894-9-16

GH: 00348569 Boechera missouriensis (Greene) Al-Shehbaz USA: Massachusetts Boston: Bearberry Hill, Stony Brook Reserv. ... E. F. Williams 1897-5-30

NEBC: 00348570 Boechera missouriensis (Greene) Al-Shehbaz USA: Massachusetts Boston: Stony Brook Reserv. [Hyde Park/West ... E. F. Williams 1897-5-30

NEBC: 01037124 Boechera stricta (Graham) Shehbaz USA: Massachusetts Plum Island E. F. Williams 1899-8-4

NEBC: 01037128 Boechera stricta (Graham) Shehbaz USA: Massachusetts Chestnut Hill [Boston/Brookline/Newton] E. F. Williams 1896-5-17

GH: 01023300 Boechera stricta (Graham) Shehbaz USA: Massachusetts Greenfield Town E. F. Williams 1910-6-17

GH: 00348535 Brassica juncea (Linnaeus) Czernajew USA: Massachusetts Lincoln: at base of Mt. Tabor Mt. Tabor is i... E. F. Williams 1897-6-6

GH: 00348536 Brassica juncea (Linnaeus) Czernajew USA: Massachusetts near R. Wolcott place, Blue Hills Reserv. E. F. Williams 1895-9-22

GH: 00593178 Brassica juncea (Linnaeus) Czernajew USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-25

GH: 00593214 Brassica juncea (Linnaeus) Czernajew USA: Massachusetts E. F. Williams 1897-8-15

GH: 00593282 Brassica nigra (Linnaeus) W. D. J. Koch USA: Maine Portland: Portland E. F. Williams 1910-8-3

GH: 00593294 Brassica nigra (Linnaeus) W. D. J. Koch USA: New Hampshire Warren: Warren E. F. Williams 1910-7-31

GH: 00617012 Brassica nigra (Linnaeus) W. D. J. Koch USA: Vermont Ripton: Ripton E. F. Williams 1908-7-11

NEBC: 00617031 Brassica nigra (Linnaeus) W. D. J. Koch USA: Massachusetts Marshfield: Marshfield E. F. Williams 1896-10-4

GH: 00617034 Brassica nigra (Linnaeus) W. D. J. Koch USA: Massachusetts Marshfield: by Little's Creek, Seaview E. F. Williams 1896-10-4

GH: 00593296 Brassica nigra (Linnaeus) W. D. J. Koch USA: Rhode Island Tiverton: Tiverton E. F. Williams 1903-9-27

GH: 00593309 Brassica oleracea Linnaeus USA: Massachusetts Dedham: Dedham E. F. Williams 1897-6-13

NEBC: 00593369 Brassica rapa Linnaeus USA: New Hampshire Crawford E. F. Williams 1895-7-16

GH: 00593374 Brassica rapa Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-6

GH: 00593397 Brassica rapa Linnaeus USA: Vermont Ripton: Ripton E. F. Williams 1908-7-7

GH: 00593401 Brassica rapa Linnaeus USA: Vermont Norwich: Norwich E. F. Williams 1910-7-11

GH: 00593436 Brassica rapa Linnaeus USA: Massachusetts Winchester: Winchester E. F. Williams 1903-5-3

GH: 00592625 Brassica rapa Linnaeus USA: Massachusetts Ashfield: Ashfield E. F. Williams 1909-8-7

NEBC: 00757071 Braya humilis (C. A. Meyer) B. L. Robinson USA: Vermont Willoughby Mountain E. F. Williams 1 1894-8-1

GH: 01097485 Cakile edentula (Bigelow) Hooker Canada: Quebec Province [data not captured] E. F. Williams 1905-7-27

GH: 01023337 Cakile edentula (Bigelow) Hooker USA: Maine Cranberry Isles: Cranberry Isles E. F. Williams 1899-7-24

NEBC: 01023376 Cakile edentula (Bigelow) Hooker USA: New Hampshire Hampton Falls: Hampton Falls E. F. Williams 1901-9-22

GH: 01023377 Cakile edentula (Bigelow) Hooker USA: New Hampshire Newcastle E. F. Williams 1901-9-19

GH: 01023398 Cakile edentula (Bigelow) Hooker USA: Massachusetts Revere: Revere E. F. Williams 1 1896-8-22

GH: 01028219 Cakile edentula (Bigelow) Hooker USA: Massachusetts Revere: Revere E. F. Williams 1896-8-22

NEBC: 01023399 Cakile edentula (Bigelow) Hooker USA: Massachusetts Revere: Revere E. F. Williams 1896-8-22

GH: 01023430 Cakile edentula (Bigelow) Hooker USA: Massachusetts Barnstable Town E. F. Williams 1902-9-14

GH: 01023447 Cakile edentula (Bigelow) Hooker USA: Rhode Island Tiverton: Tiverton E. F. Williams 1903-9-27

GH: 00592742 Camelina microcarpa Andrzejowski ex de Candolle USA: Massachusetts Greenfield: Greenfield E. F. Williams 1910-6-18

GH: 00592778 Camelina sativa (Linnaeus) Crantz USA: New Hampshire Woodsville E. F. Williams 1908-8-8

GH: 00592794 Camelina sativa (Linnaeus) Crantz USA: Massachusetts Dedham: Dedham E. F. Williams 1897-6-27

NEBC: 00592802 Capsella bursa-pastoris (Linnaeus) Medikus USA: Maine Fort Kent: Fort Kent E. F. Williams 1901-8-12

GH: 00592842 Capsella bursa-pastoris (Linnaeus) Medikus USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-24

NEBC: 00592845 Capsella bursa-pastoris (Linnaeus) Medikus USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-24

GH: 00592887 Capsella bursa-pastoris (Linnaeus) Medikus USA: Vermont Ripton: Ripton E. F. Williams 1908-7-4

GH: 00592890 Capsella bursa-pastoris (Linnaeus) Medikus USA: Vermont Ripton: Ripton E. F. Williams 1908-7-3

GH: 00592895 Capsella bursa-pastoris (Linnaeus) Medikus USA: Vermont Wallingford: Wallingford E. F. Williams 1908-5-25

NEBC: 00592958 Capsella bursa-pastoris (Linnaeus) Medikus USA: Massachusetts Boston: Boston, Falmouth St. E. F. Williams 1896-6-11

NEBC: 00592965 Capsella bursa-pastoris (Linnaeus) Medikus USA: Massachusetts Dedham: Dedham E. F. Williams 1895-5-19

GH: 00592970 Capsella bursa-pastoris (Linnaeus) Medikus USA: Massachusetts Sharon: Sharon E. F. Williams 1897-10-17

GH: 00617302 Capsella bursa-pastoris (Linnaeus) Medikus USA: Rhode Island Lonsdale E. F. Williams 1 1904-5-15

GH: 00617312 Capsella bursa-pastoris (Linnaeus) Medikus USA: Connecticut Lyme: Lyme E. F. Williams 1905-6-17

NEBC: 00660161 Cardamine bellidifolia Linnaeus USA: New Hampshire Mount Washington E. F. Williams 1895-7-7

NEBC: 00660162 Cardamine bellidifolia Linnaeus USA: New Hampshire Mount Washington E. F. Williams 1901-8-6

GH: 00660197 Cardamine bulbosa (Schreber ex Muhlenberg) Britton, Stearn & Poggenburg USA: Massachusetts Woburn: Woburn, Shaker Glen E. F. Williams 1895-5-12

GH: 00757382 Cardamine diphylla (Michaux) Alph. Wood USA: Vermont Leicester: Leicester E. F. Williams 1908-5-22

GH: 00757383 Cardamine diphylla (Michaux) Alph. Wood USA: Vermont Brandon: Brandon E. F. Williams 1908-5-22

GH: 00757414 Cardamine diphylla (Michaux) Alph. Wood USA: Massachusetts Concord: Concord E. F. Williams 1898-5-8

NEBC: 00757415 Cardamine diphylla (Michaux) Alph. Wood USA: Massachusetts Concord: Concord E. F. Williams 1898-5-8

GH: 00757444 Cardamine diphylla (Michaux) Alph. Wood USA: Massachusetts Goshen: Goshen E. F. Williams 1907-6-18

NEBC: 00348541 Cardamine parviflora Linnaeus USA: Massachusetts Weston: Weston E. F. Williams 1897-5-16

NEBC: 00348541 Cardamine parviflora arenicola (Britton) O. E. Schulz USA: Massachusetts Weston: Weston E. F. Williams 1897-5-16

NEBC: 00757659 Cardamine parviflora arenicola (Britton) O. E. Schulz USA: Massachusetts Blue Hills Reservation E. F. Williams 1901-5-12

GH: 00558740 Cardamine pensylvanica Muhlenberg ex Willdenow USA: Maine Fort Kent: Fort Kent E. F. Williams 1901-8-11

GH: 00558758 Cardamine pensylvanica Muhlenberg ex Willdenow USA: Maine Mount Desert Island: Mount Desert Island E. F. Williams 1899-7-22

GH: 00558741 Cardamine pensylvanica Muhlenberg ex Willdenow USA: Maine Lincoln Plantation E. F. Williams 1903-7-30

GH: 00558760 Cardamine pensylvanica Muhlenberg ex Willdenow USA: Maine Fort Kent: Fort Kent E. F. Williams 1900-7-26

NEBC: 00579003 Cardamine pensylvanica Muhlenberg ex Willdenow USA: New Hampshire Dummer: Dummer E. F. Williams 1895-7-29

NEBC: 00579005 Cardamine pensylvanica Muhlenberg ex Willdenow USA: New Hampshire E. F. Williams 1896-8-11

GH: 00579112 Cardamine pensylvanica Muhlenberg ex Willdenow USA: Massachusetts South Lawrence E. F. Williams 1900-6-3

GH: 00579115 Cardamine pensylvanica Muhlenberg ex Willdenow USA: Massachusetts Arlington, Zion's hill bog [Woburn/Wincheste... E. F. Williams 1895-6-2

GH: 00579114 Cardamine pensylvanica Muhlenberg ex Willdenow USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16

NEBC: 00558815 Cardamine pensylvanica Muhlenberg ex Willdenow USA: Massachusetts Sharon: Sharon E. F. Williams 1896-6-17

GH: 00558945 Cardamine pensylvanica Muhlenberg ex Willdenow USA: Rhode Island Cumberland: Cumberland E. F. Williams 1904-5-29

NEBC: 00617390 Cardamine pratensis palustris Wimm. & Grab. USA: Vermont Wallingford: Wallingford E. F. Williams 1908-5-25

GH: 00617433 Conringia orientalis (Linnaeus) Dumortier USA: Massachusetts Dedham: Dedham E. F. Williams 1897-6-27

NEBC: 00660284 Draba arabisans Michaux USA: Vermont Mount Hor, above fern cave E. F. Williams 1894-7-20

NEBC: 00660292 Draba arabisans Michaux USA: Vermont Willoughby E. F. Williams 1896-7-24

NEBC: 00660303 Draba arabisans Michaux USA: Vermont Cambridge: Cambridge E. F. Williams 1897-7-5

GH: 00617540 Draba verna Linnaeus USA: Massachusetts Barnstable: Barnstable E. F. Williams 1897-4-19

GH: 00617538 Draba verna Linnaeus USA: Massachusetts Barnstable: Barnstable E. F. Williams 1897-4-19

GH: 00617539 Draba verna Linnaeus USA: Massachusetts Barnstable: Barnstable E. F. Williams 1897-4-19

NEBC: 00617544 Draba verna Linnaeus USA: Massachusetts Barnstable: Barnstable E. F. Williams 1897-4-19

GH: 00617557 Draba verna Linnaeus USA: Rhode Island Middletown: Middletown E. F. Williams 1908-5-30

GH: 00617725 Erysimum cheiranthoides Linnaeus USA: Maine Portland: Portland E. F. Williams 1897-7-20

NEBC: 00617727 Erysimum cheiranthoides Linnaeus USA: Maine Portland: Portland E. F. Williams 1897-7-20

GH: 00606931 Hesperis matronalis Linnaeus USA: Massachusetts Cambridge: Cambridge, 12 Reservoir St. E. F. Williams 1910-8-21

GH: 00606953 Hesperis matronalis Linnaeus USA: Massachusetts Walpole: Walpole E. F. Williams 1897-6-17

GH: 00606954 Hesperis matronalis Linnaeus USA: Massachusetts Wrentham: Wrentham E. F. Williams 1897

GH: 00606964 Hesperis matronalis Linnaeus USA: Massachusetts Walpole: E. F. Williams 1897-9-26

NEBC: 00675004 Iberis amara Linnaeus USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-23

NEBC: 00675005 Iberis amara Linnaeus USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-25

GH: 00564956 Lepidium campestre (Linnaeus) W. T. Aiton USA: Massachusetts Milton: Milton E. F. Williams 1895-6-30

GH: 00617857 Lepidium densiflorum Schrader USA: Maine Fort Fairfield: Fort Fairfield E. F. Williams 1901-8-16

GH: 00617883 Lepidium densiflorum Schrader USA: Maine Mount Desert Island: Mount Desert Island E. F. Williams 1899-7-28

GH: 00617914 Lepidium densiflorum Schrader USA: New Hampshire Randolph: Randolph E. F. Williams 1896-8-1

NEBC: 00582248 Lepidium densiflorum Schrader USA: New Hampshire Randolph: Randolph E. F. Williams 1896-8-1

GH: 00582255 Lepidium densiflorum Schrader USA: New Hampshire Warren: Warren E. F. Williams 1907-7-27

GH: 00582259 Lepidium densiflorum Schrader USA: New Hampshire Rye: Rye E. F. Williams 1903-6-14

NEBC: 00582314 Lepidium densiflorum Schrader USA: Massachusetts Boston: Boston, C. St. Botolph & Albermarle ... E. F. Williams 1896-6-8

NEBC: 00582319 Lepidium densiflorum Schrader USA: Massachusetts Milton: Milton E. F. Williams 1895-6-30

GH: 00582324 Lepidium densiflorum Schrader USA: Massachusetts Walpole: Walpole E. F. Williams 1896-6-7

NEBC: 00582325 Lepidium densiflorum Schrader USA: Massachusetts Walpole: Walpole E. F. Williams 1896-7-7

NEBC: 00582336 Lepidium densiflorum Schrader USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-25

GH: 00602046 Lepidium ruderale Linnaeus USA: Massachusetts Arlington Heights E. F. Williams 1896-5-30

GH: 00675011 Lepidium sativum Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams

GH: 01023541 Lepidium virginicum Linnaeus USA: New Hampshire Manchester: Manchester E. F. Williams 1 1903-11-18

NEBC: 01023806 Lepidium virginicum Linnaeus USA: Massachusetts Boston: Boston, C. Albermarle & St. Botolph ... E. F. Williams 1896-6-8

NEBC: 01023821 Lepidium virginicum Linnaeus USA: Massachusetts Milton: Milton E. F. Williams 1895-6-30

GH: 01023825 Lepidium virginicum Linnaeus USA: Massachusetts Walpole: Walpole E. F. Williams 1896-6-7

GH: 01023893 Lepidium virginicum Linnaeus USA: Rhode Island Tiverton: Tiverton E. F. Williams 1 1903-9-27

GH: 00612010 Lobularia maritima (Linnaeus) Desvaux USA: Massachusetts Cambridge: Cambridge, Mt. Auburn E. F. Williams 1897-8-28

GH: 00612015 Lobularia maritima (Linnaeus) Desvaux USA: Massachusetts Scituate: Scituate E. F. Williams 1 1899-10-29

NEBC: 00612019 Lobularia maritima (Linnaeus) Desvaux USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-30

NEBC: 00612059 Nasturtium officinale R. Brown USA: Massachusetts Arlington: Arlington, off Forest St. E. F. Williams 1896-5-30

GH: 00348308 Radicula armoracea (Linnaeus) B. L. Robinson USA: Massachusetts Blue Hills Reservation E. F. Williams 1900-6-10

GH: 00582389 Raphanus raphanistrum Linnaeus USA: Maine Mount Desert Island: Mount Desert Island E. F. Williams 1897-7-12

GH: 00582436 Raphanus raphanistrum Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-11

GH: 00582444 Raphanus raphanistrum Linnaeus USA: New Hampshire Hampton Falls: Hampton Falls E. F. Williams 1901-9-22

GH: 00582453 Raphanus raphanistrum Linnaeus USA: Vermont Norwich: Norwich E. F. Williams 1910-7-11

NEBC: 00582502 Raphanus raphanistrum Linnaeus USA: Massachusetts Scituate: Scituate E. F. Williams 1897-9-6

GH: 00612129 Raphanus raphanistrum Linnaeus USA: Rhode Island Tiverton: Tiverton E. F. Williams 1903-9-27

GH: 00602172 Raphanus raphanistrum Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-25

GH: 00602176 Raphanus raphanistrum Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-13

GH: 00602177 Raphanus raphanistrum Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-13

GH: 00602178 Raphanus raphanistrum Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-13

NEBC: 00602179 Raphanus raphanistrum Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-11

GH: 00602181 Raphanus sativus Linnaeus USA: Massachusetts Dedham: Dedham E. F. Williams 1897-6-27

NEBC: 00602182 Raphanus sativus Linnaeus USA: Massachusetts Dedham: Dedham E. F. Williams 1897-6-27

NEBC: 00602186 Raphanus sativus Linnaeus USA: Massachusetts Norwood: Norwood E. F. Williams 1897-6-27

GH: 00735913 Rorippa palustris (Linnaeus) Besser USA: Maine Van Buren: Van Buren E. F. Williams 1901-8-14

GH: 00735893 Rorippa palustris (Linnaeus) Besser USA: Maine Hanover: Hanover E. F. Williams 1910-7-7

GH: 00735905 Rorippa palustris (Linnaeus) Besser USA: Connecticut Stratford: Stratford E. F. Williams 1 1901-6-9

GH: 00735957 Rorippa palustris (Linnaeus) Besser USA: New Hampshire Jefferson: Jefferson E. F. Williams 1895-7-31

GH: 00735972 Rorippa palustris (Linnaeus) Besser USA: New Hampshire Warren: Warren E. F. Williams 1910-7-23

GH: 00675307 Rorippa palustris (Linnaeus) Besser USA: Vermont Hancock: Hancock E. F. Williams 1908-7-18

GH: 00675308 Rorippa palustris (Linnaeus) Besser USA: Vermont Salisbury: Salisbury E. F. Williams 1908-7-14

GH: 00675340 Rorippa palustris (Linnaeus) Besser USA: Massachusetts Boston: Boston, Bay State road E. F. Williams 1896-6-27

GH: 00733269 Rorippa palustris hispida (Desvaux) Rydberg USA: Vermont Ripton: Ripton E. F. Williams 1908-7-11

NEBC: 00733279 Rorippa palustris hispida (Desvaux) Rydberg USA: Massachusetts Cambridge: West Cambridge E. F. Williams 1897-8-28

GH: 00733283 Rorippa palustris hispida (Desvaux) Rydberg USA: Massachusetts Concord: Concord E. F. Williams 1896-9-30

NEBC: 00733284 Rorippa palustris hispida (Desvaux) Rydberg USA: Massachusetts Concord: Concord E. F. Williams 1896-9-30

GH: 00593924 Rorippa sylvestris (Linnaeus) Besser USA: Connecticut Stratford: Stratford E. F. Williams 1 1904-6-9

GH: 00593835 Rorippa sylvestris (Linnaeus) Besser USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-7

GH: 00593836 Rorippa sylvestris (Linnaeus) Besser USA: New Hampshire Lebanon: Lebanon E. F. Williams 1910-7-11

GH: 00593853 Rorippa sylvestris (Linnaeus) Besser USA: Vermont Norwich: Norwich E. F. Williams 1910-7-11

NEBC: 00593902 Rorippa sylvestris (Linnaeus) Besser USA: Rhode Island Middletown: Middletown E. F. Williams 1911-6-17

GH: 00612221 Sinapis arvensis Linnaeus USA: Maine Somesville E. F. Williams 1910-8-6

GH: 00612248 Sinapis arvensis Linnaeus USA: New Hampshire Mount Washington E. F. Williams 1 1901-8-6

GH: 00612251 Sinapis arvensis Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-25

NEBC: 00612253 Sinapis arvensis Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-25

GH: 00612255 Sinapis arvensis Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-11

GH: 00582544 Sinapis arvensis Linnaeus USA: Massachusetts Milton: Milton E. F. Williams 1900-6-24

GH: 00582568 Sinapis arvensis Linnaeus USA: Rhode Island Middletown: Middletown E. F. Williams 1909-7-3

GH: 00582609 Sisymbrium altissimum Linnaeus USA: Maine Portland: Portland E. F. Williams 1897-7-20

GH: 00582610 Sisymbrium altissimum Linnaeus USA: Maine Portland: Portland E. F. Williams 1897-7-20

NEBC: 00582611 Sisymbrium altissimum Linnaeus USA: Maine Portland: Portland E. F. Williams 1897-7-20

GH: 00582631 Sisymbrium altissimum Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-13

GH: 00582634 Sisymbrium altissimum Linnaeus USA: New Hampshire Woodville E. F. Williams 1908-8-8

GH: 00582655 Sisymbrium altissimum Linnaeus USA: Vermont Ferrisburg E. F. Williams 1908-7-21

GH: 00582656 Sisymbrium altissimum Linnaeus USA: Vermont Salisbury: Salisbury E. F. Williams 1908-7-14

NEBC: 00582698 Sisymbrium altissimum Linnaeus USA: Massachusetts Concord: Concord E. F. Williams 1908-6-20

NEBC: 00582722 Sisymbrium altissimum Linnaeus USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-23

GH: 00582783 Sisymbrium officinale (Linnaeus) Scopoli USA: Massachusetts Concord: Concord E. F. Williams 1908-6-20

GH: 00582867 Sisymbrium officinale leiocarpum de Candolle USA: Vermont Ripton: Ripton E. F. Williams 1908-7-11

GH: 00582887 Sisymbrium officinale leiocarpum de Candolle USA: Massachusetts Concord: Concord E. F. Williams 1908-6-20

GH: 00582888 Sisymbrium officinale leiocarpum de Candolle USA: Massachusetts Concord: Concord E. F. Williams 1908-6-20

NEBC: 00582892 Sisymbrium officinale leiocarpum de Candolle USA: Massachusetts Sudbury: East Sudbury E. F. Williams 1901-7-7

NEBC: 00582921 Sisymbrium officinale leiocarpum de Candolle USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-23

GH: 00582933 Sisymbrium officinale leiocarpum de Candolle USA: Rhode Island Tiverton: Tiverton E. F. Williams 1903-9-27

GH: 00582809 Sisymbrium officinale leiocarpum de Candolle USA: Maine Bethel: Bethel E. F. Williams 1895-7-25

GH: 00582847 Sisymbrium officinale leiocarpum de Candolle USA: New Hampshire Warren: Warren E. F. Williams 1908-7-21

NEBC: 01023963 Subularia aquatica Linnaeus USA: New Hampshire Franconia: Franconia E. F. Williams 1894-8-4

GH: 00582988 Thlaspi arvense Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1 1908-7-24

GH: 00602326 Thlaspi arvense Linnaeus USA: Massachusetts Concord: Concord E. F. Williams 1908-6-20

NEBC: 00602362 Thlaspi arvense Linnaeus USA: Rhode Island Middletown: Middletown E. F. Williams 1911-6-17

NEBC: 01066498 Turritis glabra Linnaeus USA: Vermont Waterbury: Waterbury E. F. Williams 1897-7-9

Bryaceae
GH: 00854678 Pohlia wahlenbergii (F. Weber & D. Mohr) A. L. Andrews USA: Rhode Island Middletown: Middletown E. F. Williams 1908-5-30

NEBC: 00854679 Pohlia wahlenbergii (F. Weber & D. Mohr) A. L. Andrews USA: Rhode Island Middletown: Middletown E. F. Williams 1909-7-5

NEBC: 00301905 Webera sessilis Lindberg USA: Massachusetts Blue Hill Path E. F. Williams 1895-1-13

Buxbaumiaceae
NEBC: 00301833 Buxbaumia aphylla Hedwig USA: Massachusetts Blue Hill Path E. F. Williams 1895-1-13

Cabombaceae
GH: 00502894 Brasenia schreberi J. F. Gmelin USA: Massachusetts Centreville E. F. Williams 1895-6-16

Cactaceae
GH: 00581071 Opuntia humifusa (Rafinesque) Rafinesque USA: Massachusetts Nantucket: Nantucket E. F. Williams 1903-9-20

GH: 01875679 Opuntia humifusa (Rafinesque) Rafinesque USA: New Jersey Locust E. F. Williams 1 1900-6-18

GH: 01875680 Opuntia humifusa (Rafinesque) Rafinesque USA: New Jersey Locust E. F. Williams 2 1900-9-1

GH: 01875682 Opuntia humifusa (Rafinesque) Rafinesque USA: New Jersey Sandy Hook E. F. Williams 1900-6-19

Caesalpiniaceae
GH: 00747175 Chamaecrista fasciculata (Michaux) Greene USA: Massachusetts Quincy: Quincy E. F. Williams 1904-8-14

NEBC: 00747185 Chamaecrista fasciculata (Michaux) Greene USA: Massachusetts Plymouth: Plymouth E. F. Williams 1898-8-21

NEBC: 00747186 Chamaecrista fasciculata (Michaux) Greene USA: Massachusetts Plymouth: Plymouth E. F. Williams 1898-8-21

NEBC: 00747188 Chamaecrista fasciculata (Michaux) Greene USA: Massachusetts Falmouth: Falmouth E. F. Williams 1911-7-13

NEBC: 00747219 Chamaecrista fasciculata (Michaux) Greene USA: Massachusetts Nantucket: Nantucket E. F. Williams 1911-7-29

GH: 00747231 Chamaecrista fasciculata (Michaux) Greene USA: Rhode Island Portsmouth: Portsmouth E. F. Williams 1907-9-19

GH: 00747287 Chamaecrista nictitans (Linnaeus) Moench USA: Massachusetts Winchester: Winchester, Winter Pond E. F. Williams 1901-10-20

NEBC: 00747289 Chamaecrista nictitans (Linnaeus) Moench USA: Massachusetts Winchester: Winchester, Winter Pond E. F. Williams 1901-10-13

NEBC: 00747290 Chamaecrista nictitans (Linnaeus) Moench USA: Massachusetts Winchester: Winchester, Edge, Winter Pond E. F. Williams 1894-9-2

NEBC: 00747293 Chamaecrista nictitans (Linnaeus) Moench USA: Massachusetts Winchester: Winchester, Winter Pond E. F. Williams 1896-10-11

NEBC: 00654331 Chamaecrista nictitans (Linnaeus) Moench USA: Massachusetts Sharon: Sharon E. F. Williams 1908-9-5

GH: 00654340 Chamaecrista nictitans (Linnaeus) Moench USA: Massachusetts Norwood: Norwood E. F. Williams 1909-9-7

NEBC: 00654358 Chamaecrista nictitans (Linnaeus) Moench USA: Massachusetts Barnstable Town E. F. Williams 1896-7-4

NEBC: 00654313 Chamaecrista nictitans (Linnaeus) Moench USA: Massachusetts Barnstable Town E. F. Williams 1896-9-6

GH: 00747307 Chamaecrista nictitans (Linnaeus) Moench USA: Rhode Island North Kingstown: North Kingstown E. F. Williams 1908-8-28

GH: 01852589 Chamaecrista nictitans (Linnaeus) Moench USA: New Jersey Locust [Middleton Township] E. F. Williams 1900-9-2

GH: 01676011 Gleditsia triacanthos Linnaeus USA: Massachusetts Boston: Back bay lands E. F. Williams 1910-9-17

GH: 01676012 Gleditsia triacanthos Linnaeus USA: Massachusetts Bourne: Cedarville road E. F. Williams 1898-8-21

GH: 00269332 Senna hebecarpa (Fernald) H. S. Irwin & Barneby USA: Massachusetts Weston: Weston E. F. Williams 1896-8-6

NEBC: 00269333 Senna hebecarpa (Fernald) H. S. Irwin & Barneby USA: Massachusetts Weston: Weston E. F. Williams 1896-8-6

GH: 00267225 Senna hebecarpa (Fernald) H. S. Irwin & Barneby USA: Massachusetts Weston: Weston E. F. Williams 1897-9-5

GH: 00267226 Senna hebecarpa (Fernald) H. S. Irwin & Barneby USA: Massachusetts Weston: Weston E. F. Williams 1894-10-14

Campanulaceae
NEBC: 00698194 Campanula aparinoides Pursh USA: New Hampshire Alstead: Alstead E. F. Williams 1901-7-27

GH: 00698218 Campanula aparinoides Pursh USA: Massachusetts Boxford: Boxford E. F. Williams 1906-8-19

NEBC: 00698226 Campanula aparinoides Pursh USA: Massachusetts Concord: Concord E. F. Williams 1898-8-28

GH: 00820209 Campanula aparinoides uliginosa (Rydberg) Gleason USA: Massachusetts Sharon: Sharon E. F. Williams 1896-7-12

NEBC: 00820532 Campanula latifolia Linnaeus USA: Vermont Norwich: Norwich E. F. Williams 1910-7-8

GH: 00633213 Campanula rapunculoides Linnaeus USA: New Hampshire Randolph: Randolph E. F. Williams 1897-7-25

GH: 00633228 Campanula rapunculoides Linnaeus USA: Vermont Norwich: Norwich E. F. Williams 1910-7-11

GH: 00656771 Campanula rapunculoides Linnaeus USA: Massachusetts Georgetown: Georgetown E. F. Williams 1906-7-4

GH: 00698336 Campanula rotundifolia Linnaeus USA: Maine St. John E. F. Williams 1900-7-23

GH: 00698350 Campanula rotundifolia Linnaeus USA: Maine Mount Katahdin E. F. Williams 1900-7-13

NEBC: 00820343 Campanula rotundifolia Linnaeus USA: Maine Mount Desert (Hancock County): Mount Desert E. F. Williams 1899-7-16

NEBC: 00820369 Campanula rotundifolia Linnaeus USA: New Hampshire Crawford E. F. Williams 1 1895-7-16

NEBC: 00820380 Campanula rotundifolia Linnaeus USA: New Hampshire Sargents E. F. Williams 1893-7-31

NEBC: 00820382 Campanula rotundifolia Linnaeus USA: New Hampshire Mount Monroe E. F. Williams 1 1895-7-8

NEBC: 00820381 Campanula rotundifolia Linnaeus USA: New Hampshire Mount Washington E. F. Williams 2 1895-7-10

NEBC: 00820384 Campanula rotundifolia Linnaeus USA: New Hampshire Mount Washington E. F. Williams 1895-7-10

GH: 00820403 Campanula rotundifolia Linnaeus USA: New Hampshire Mount Monroe E. F. Williams 1896-8-8

NEBC: 00820404 Campanula rotundifolia Linnaeus USA: New Hampshire Mount Monroe E. F. Williams 1896-8-8

NEBC: 00820476 Campanula rotundifolia Linnaeus USA: Massachusetts Concord: Concord E. F. Williams 1898-8-28

GH: 00820478 Campanula rotundifolia Linnaeus USA: Massachusetts Concord: Concord E. F. Williams 1908-8-9

GH: 00820491 Campanula rotundifolia Linnaeus USA: Massachusetts Greenfield: Greenfield E. F. Williams 1910-6-17

GH: 00820495 Campanula rotundifolia Linnaeus USA: Massachusetts Sunderland: Sunderland E. F. Williams 1911

NEBC: 00359346 Specularia perfoliata (Linnaeus) A. de Candolle USA: Massachusetts E. F. Williams

NEBC: 00359346 Triodanis perfoliata (Linnaeus) Nieuwland USA: Massachusetts E. F. Williams

NEBC: 00698978 Triodanis perfoliata (Linnaeus) Nieuwland USA: Maine Old Orchard Beach: Old Orchard Beach E. F. Williams 1906-8-9

GH: 00753011 Triodanis perfoliata (Linnaeus) Nieuwland USA: Massachusetts Arlington: Arlington, Turkey Hill E. F. Williams 1895-6-2

NEBC: 00753015 Triodanis perfoliata (Linnaeus) Nieuwland USA: Massachusetts Concord: Concord E. F. Williams 1908-6-20

GH: 00753016 Triodanis perfoliata (Linnaeus) Nieuwland USA: Massachusetts Framingham: Framingham, Nobscot Hill E. F. Williams 1901-7-7

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