NEBC: 01079348 [bad data, blank import] USA: New Hampshire Mount Monadnock E. F. Williams 1901-9-2
GH: 01161923 [bad data, blank import] USA: Massachusetts Scituate: Scituate E. F. Williams 1901-9-8
NEBC: 00436070 Bryoria implexa (Hoffmann) Brodo & D. Hawksworth USA: Maine [data not captured] E. F. Williams 1901-2-23
Aceraceae NEBC: 00752795 Acer negundo Linnaeus USA: New Hampshire Walpole: Walpole E. F. Williams 1901-7-28
NEBC: 00752796 Acer negundo Linnaeus USA: New Hampshire Walpole: Walpole E. F. Williams 1901-7-28
NEBC: 00338105 Acer pensylvanicum Linnaeus USA: Massachusetts on Blue Hill, Blue Hills Reservation E. F. Williams 1901-5-12
NEBC: 00772607 Acer pensylvanicum Linnaeus USA: Vermont Willoughby E. F. Williams 1901-5-28
GH: 00772118 Acer pensylvanicum Linnaeus USA: Massachusetts Milton: Milton E. F. Williams 1901-5-15
GH: 00772802 Acer pensylvanicum Linnaeus USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
GH: 00752897 Acer saccharinum Linnaeus USA: Maine Fort Kent: Fort Kent E. F. Williams 1901-8-10
NEBC: 00752830 Acer saccharum nigrum (Michx. f.) Britton USA: New Hampshire Alstead: Alstead E. F. Williams 1901-7-27
Aizoaceae GH: 00751212 Mollugo verticillata Linnaeus USA: New Hampshire Rye: Rye E. F. Williams 1901-9-19
Alismataceae GH: 01032342 Alisma triviale Pursh USA: New Hampshire Walpole: Walpole E. F. Williams 1 1901-7-28
GH: 01032406 Echinodorus tenellus (Martius) Buchenau USA: Massachusetts Winchester: Winchester, Winter Pond E. F. Williams 2 1901-10-13
Alliaceae GH: 00573156 Allium canadense Linnaeus USA: Connecticut Stratford: Stratford E. F. Williams 1901-6-9
GH: 00573157 Allium canadense Linnaeus USA: Connecticut Stratford: Stratford E. F. Williams 1901-6-9
NEBC: 00567367 Allium schoenoprasum Linnaeus USA: Maine Fort Kent: Fort Kent E. F. Williams 1901-8-10
GH: 00734297 Allium tricoccum Aiton USA: New Hampshire Alstead: Alstead E. F. Williams 1901-7-27
Amaranthaceae GH: 01928929 Acnida cannabina Moquin-Tandon USA: New Hampshire Hampton: [no additional data] E. F. Williams 1901-9-22
GH: 00614645 Amaranthus albus Linnaeus USA: Maine Fairfield: Fairfield E. F. Williams 1901-8-16
GH: 00614701 Amaranthus albus Linnaeus USA: New Hampshire Rye: Rye E. F. Williams 1901-9-19
GH: 01928929 Amaranthus cannabinus (Linnaeus) J. D. Sauer USA: New Hampshire Hampton: [no additional data] E. F. Williams 1901-9-22
Anacardiaceae GH: 01869307 Toxicodendron rydbergii (Small ex Rydberg) Greene Canada: New Brunswick Gorge of the Aroostook River E. F. Williams 1901-8-17
Apiaceae GH: 00483267 Angelica atropurpurea Linnaeus USA: Massachusetts Williamstown: Williamstown E. F. Williams 1901-6-15
GH: 01050958 Conioselinum chinense Britton, Stearn & Poggenburg USA: Maine Fort Fairfield: Fort Fairfield E. F. Williams 1901-8-15
NEBC: 01051089 Cryptotaenia canadensis (Linnaeus) de Candolle USA: New Hampshire Alstead: Alstead E. F. Williams 1901-7-27
GH: 01051184 Cryptotaenia canadensis (Linnaeus) de Candolle USA: Massachusetts Williamstown: Williamstown E. F. Williams 1901-6-17
GH: 01051736 Ligusticum scoticum Linnaeus USA: New Hampshire Rye: Rye E. F. Williams 1901-9-19
NEBC: 01009517 Osmorhiza longistylis (Torrey) de Candolle USA: New Hampshire Walpole: Walpole E. F. Williams 1901-7-28
GH: 01025426 Sanicula odorata (Raf.) K.M. Pryer & L.R. Phillippe USA: Connecticut Stratford: Stratford E. F. Williams 1901-6-9
Aquifoliaceae NEBC: 00760891 Ilex laevigata (Pursh) A. Gray USA: Massachusetts Tewksbury: Round Pond, Tewksbury E. F. Williams 1 1901-7-29
GH: 00773908 Ilex mucronata (Linnaeus) M. Powell, Savolainen & S. Andrews USA: Vermont Pownal: Pownal E. F. Williams 1 1901-6-17
Araceae GH: 01080258 Arisaema triphyllum (Linnaeus) Schott USA: Massachusetts Mount Greylock E. F. Williams 1 1901-6-16
GH: 00733794 Orontium aquaticum Linnaeus USA: Connecticut Southington: Southington E. F. Williams 1901-5-30
Araliaceae GH: 00448595 Aralia nudicaulis Linnaeus USA: Massachusetts Mt. Greylock E. F. Williams 1901-6-16
Aristolochiaceae GH: 00762025 Asarum canadense Linnaeus USA: Massachusetts Williamstown: Williamstown E. F. Williams 1 1901-6-17
GH: 00762037 Asarum canadense Linnaeus USA: Connecticut Southington: Southington E. F. Williams 1 1901-5-30
Asclepiadaceae NEBC: 00572794 Asclepias incarnata pulchra [delete] (Ehrhart ex Willdenow) Woodson USA: New Hampshire East Jaffrey E. F. Williams 1901-9-2
Asparagaceae GH: 00567426 Asparagus officinalis Linnaeus USA: New Hampshire Walpole: Walpole E. F. Williams 1901-7-28
Aspidiaceae NEBC: 00627682 Polystichum acrostichoides (Michaux) Schott USA: Massachusetts Westwood: Westwood E. F. Williams 1901-7-21
Aspleniaceae NEBC: 00701157 Asplenium trichomanes Linnaeus USA: New Hampshire Peterborough: Peterborough E. F. Williams 1901-9-2
Asteraceae GH: 00566721 Achillea millefolium Linnaeus USA: Maine Van Buren: Van Buren E. F. Williams 1901-8-14
NEBC: 00566854 Achillea millefolium Linnaeus USA: New Hampshire Mount Washington E. F. Williams 1901-8-6
NEBC: 00753232 Ageratina altissima (Linnaeus) R. M. King & H. Robinson USA: New Hampshire Mount Monadnock E. F. Williams 1901-9-2
GH: 00531269 Anthemis arvensis Linnaeus USA: Massachusetts Milton: Milton E. F. Williams 1901-7-4
NEBC: 00531301 Anthemis cotula Linnaeus USA: Maine Fort Fairfield: Fort Fairfield E. F. Williams 1901-8-16
GH: 00531369 Anthemis cotula Linnaeus USA: New Hampshire Newcastle E. F. Williams 1901-9-19
GH: 00566207 Arctium minus (Hill) Bernhardi USA: Maine Fort Kent: Fort Kent E. F. Williams 1901-8-12
NEBC: 00725604 Artemisia campestris caudata (Michaux) H. M. Hall & Clements USA: New Hampshire Hampton Falls: Hampton Falls E. F. Williams 1 1901-9-22
NEBC: 00531681 Artemisia pontica Linnaeus USA: New Hampshire Walpole: Walpole E. F. Williams 1901-7-28
NEBC: 00531688 Artemisia pontica Linnaeus USA: Massachusetts Tewksbury: Tewksbury E. F. Williams 1901-6-23
GH: 00872219 Aster junceus Aiton USA: Maine Crystal: Caribou bog. Crystal E. F. Williams 1901-8-19
GH: 01066825 Bidens cernua Linnaeus USA: Maine Fort Fairfield: Fort Fairfield E. F. Williams 1 1901-8-18
GH: 01066826 Bidens cernua Linnaeus USA: Maine Fort Kent: Fort Kent E. F. Williams 1 1901-8-12
NEBC: 00705295 Chrysopsis falcata (Pursh) Elliott USA: Massachusetts Falmouth: Falmouth E. F. Williams 1901-7-14
NEBC: 00705294 Chrysopsis falcata (Pursh) Elliott USA: Massachusetts Bourne: Bourne E. F. Williams 1901-9-15
NEBC: 00580895 Cirsium arvense (Linnaeus) Scopoli USA: Maine Grand Isle: Grand Isle E. F. Williams 1901-8-12
NEBC: 00580897 Cirsium arvense (Linnaeus) Scopoli USA: Maine Portage Lake: Portage Lake E. F. Williams 1901-8-9
NEBC: 00725810 Coreopsis rosea Nuttall USA: Massachusetts Barnstable Town E. F. Williams 1901-9-15
GH: 01019347 Doellingeria umbellata (Miller) Nees USA: Maine Fort Kent: Fort Kent E. F. Williams 1901-8-10
NEBC: 01019443 Doellingeria umbellata (Miller) Nees USA: New Hampshire Mount Washington E. F. Williams 1 1901-8-4
GH: 00834812 Erigeron canadensis Linnaeus USA: Maine Fort Kent: Fort Kent E. F. Williams 1 1901-8-12
GH: 02352429 Erigeron philadelphicus Linnaeus Canada: New Brunswick [data not captured] E. F. Williams 1901-8-17
NEBC: 00753402 Eupatorium hyssopifolium Linnaeus USA: Massachusetts Bourne: Bourne E. F. Williams 1901-9-15
NEBC: 00753403 Eupatorium hyssopifolium Linnaeus USA: Massachusetts Cape Cod E. F. Williams 1901-9-15
NEBC: 01034133 Eupatorium pilosum Walter USA: Massachusetts Bourne: Bourne E. F. Williams 1901-9-15
NEBC: 00568002 Eurybia macrophylla (Linnaeus) Cassini USA: New Hampshire Jaffrey: Jaffrey E. F. Williams 1901-9-2
GH: 01055075 Euthamia graminifolia (Linnaeus) Nuttall USA: Massachusetts Cohasset: Cohasset E. F. Williams 1901-8-25
NEBC: 01079736 Euthamia tenuifolia USA: Massachusetts Bourne: Bourne E. F. Williams 1901-9-15
GH: 01079739 Euthamia tenuifolia USA: Massachusetts Bourne: Bourne E. F. Williams 1901-9-15
GH: 01034858 Eutrochium dubium (Willdenow ex Poiret) E. E. Lamont USA: Massachusetts Cohasset: Cohasset E. F. Williams 1901-8-25
GH: 01034859 Eutrochium dubium (Willdenow ex Poiret) E. E. Lamont USA: Massachusetts Cohasset: Cohasset E. F. Williams 1901-8-25
NEBC: 01019166 Eutrochium maculatum foliosum (Fernald) E. E. Lamont USA: Maine Fort Fairfield: Fort Fairfield E. F. Williams 1901-8-15
GH: 01019167 Eutrochium maculatum foliosum (Fernald) E. E. Lamont USA: Maine Fort Fairfield: Fort Fairfield E. F. Williams 1901-8-15
GH: 01053813 Gnaphalium uliginosum Linnaeus USA: Maine Fort Kent: Fort Kent E. F. Williams 1 1901-8-12
GH: 01053815 Gnaphalium uliginosum Linnaeus USA: Maine Frenchville: Frenchville E. F. Williams 2 1901-8-12
GH: 00587569 Hieracium aurantiacum Linnaeus USA: Massachusetts Williamstown: Williamstown E. F. Williams 1901-6-17
NEBC: 01067302 Hieracium gronovii Linnaeus USA: Massachusetts Bourne: Bourne E. F. Williams 1 1901-9-15
GH: 01071498 Hieracium scabrum Michaux USA: Massachusetts Tewksbury: Tewksbury E. F. Williams 1901-10-27
GH: 01071522 Hieracium scabrum Michaux USA: Massachusetts Cohasset: Cohasset E. F. Williams 1901-8-25
GH: 00680480 Krigia virginica (Linnaeus) Willdenow USA: Connecticut Stratford: Stratford E. F. Williams 2 1901-6-9
GH: 01070092 Lactuca biennis (Moench) Fernald USA: Massachusetts Scituate: Scituate E. F. Williams 1901-9-8
NEBC: 01067694 Lactuca canadensis Linnaeus USA: Massachusetts Winchester: Winchester, Horn Pond Mt. E. F. Williams 1901-10-20
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: 00626914 Leucanthemum vulgare Lamarck USA: New Hampshire Mount Washington E. F. Williams 1 1901-8-6
NEBC: 00734954 Liatris scariosa novae-angliae Lunell USA: Massachusetts Bourne: Bourne E. F. Williams 2 1901-9-15
GH: 00502497 Nabalus boottii de Candolle USA: New Hampshire Mt. Washington E. F. Williams 1901-8-4
NEBC: 00502498 Nabalus boottii de Candolle USA: New Hampshire Mt. Washington E. F. Williams 1901-8-6
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: 01008956 Packera obovata (Muhlenberg ex Willdenow) W. A. Weber & Á. Löve USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
GH: 00443336 Packera paupercula (Michaux) A. Löve & D. Löve USA: Massachusetts Blue Hill, Blue Hills Reservation E. F. Williams 1901-7-4
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
GH: 01066335 Pseudognaphalium macounii (Greene) Kartesz USA: Maine Wallagrass: Wallagrass E. F. Williams 1901-8-9
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: 01023700 Pseudognaphalium obtusifolium (Linnaeus) Hilliard & B. L. Burtt USA: Massachusetts Bourne: Bourne E. F. Williams 1901-9-15
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
NEBC: 00718448 Scorzoneroides autumnalis (Linnaeus) Moench USA: New Hampshire Hampton: Hampton E. F. Williams 1901-9-22
GH: 00443336 Senecio balsamitae praelongus Greenman USA: Massachusetts Blue Hill, Blue Hills Reservation E. F. Williams 1901-7-4
GH: 01077118 Sericocarpus linifolius (Linnaeus) Britton, Stearn & Poggenburg USA: Massachusetts Framingham: Framingham E. F. Williams 1901-7-7
NEBC: 01077791 Solidago macrophylla Pursh USA: New Hampshire Mount Monadnock E. F. Williams 1901-9-2
GH: 01064553 Solidago sempervirens Linnaeus USA: New Hampshire Newcastle E. F. Williams 1901-9-19
GH: 01056843 Solidago uliginosa Nuttall USA: Maine Fort Kent: Fort Kent E. F. Williams 1901-8-10
GH: 01031182 Symphyotrichum novi-belgii (Linnaeus) G. L. Nesom USA: New Hampshire Peterborough: Peterborough E. F. Williams 1901-9-2
GH: 00872219 Symphyotrichum öve (Torr. & A. Gray)Á. Löve & D. Löve USA: Maine Crystal: Caribou bog. Crystal E. F. Williams 1901-8-19
NEBC: 00574615 Symphyotrichum patens (Aiton) G. L. Nesom USA: Massachusetts Sharon: Sharon E. F. Williams 1901-9-7
NEBC: 01031415 Symphyotrichum pilosum (Willdenow) G. L. Nesom USA: Massachusetts Bourne: Bourne E. F. Williams 1901-9-15
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
GH: 01014500 Symphyotrichum racemosum (Elliott) G. L. Nesom USA: Massachusetts Middleborough: Middleborough E. F. Williams 1901-9-6
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
NEBC: 00832583 Symphyotrichum tardiflorum (Linnaeus) Greuter, M. V. Agabajan & Wagenitz USA: New Hampshire Mount Monadnock E. F. Williams 1901-9-2
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
NEBC: 00655067 Tanacetum vulgare crispum (Linnaeus) Fernald USA: Maine Fort Fairfield: Fort Fairfield E. F. Williams 1901-8-18
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
NEBC: 00637760 Taraxacum officinale F. H. Wiggers USA: Maine Fort Fairfield: Fort Fairfield E. F. Williams 1901-8-16
GH: 00718727 Tragopogon pratensis Linnaeus USA: Massachusetts Williamstown: Williamstown E. F. Williams 1901-6-16
NEBC: 00577088 Tussilago farfara Linnaeus USA: Massachusetts Shelburne: Shelburne E. F. Williams 1901-6-18
GH: 00735413 Xanthium strumarium canadense (Mill.) Torr. & A. Gray USA: New Hampshire Newcastle E. F. Williams 1901-9-19
Athyriaceae NEBC: 00746675 Cystopteris tenuis (Michaux) Desvaux USA: Connecticut Southington: Southington E. F. Williams 1901-5-30
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: 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: 00662905 Onoclea sensibilis Linnaeus USA: Massachusetts Dedham: Dedham E. F. Williams 1901-7-21
Berberidaceae GH: 00697855 Caulophyllum thalictroides (Linnaeus) Michaux USA: New Hampshire Alstead: Alstead E. F. Williams 1901-7-27
Betulaceae NEBC: 00657638 Alnus viridis crispa (Aiton) Turrill USA: Vermont Willoughby E. F. Williams 1901-5-26
NEBC: 00634033 Betula cordifolia Regel USA: New Hampshire Mount Washington E. F. Williams 1 1901-8-6
GH: 00678908 Betula glandulosa Michaux USA: New Hampshire Mount Washington E. F. Williams 1 1901-8-4
GH: 00634624 Betula papyrifera Marshall USA: Maine E. F. Williams 1901-2-27
GH: 00727305 Carpinus caroliniana virginiana (Marsh.) Furlow USA: Massachusetts Williamstown: Williamstown E. F. Williams 1 1901-6-17
GH: 00627858 Corylus americana Walter USA: New Hampshire Walpole: Walpole E. F. Williams 1901-7-28
Boraginaceae GH: 00685920 Amsinckia lycopsoides Lehmann USA: Connecticut Southington: Southington E. F. Williams 1901-5-30
GH: 00718979 Cynoglossum officinale Linnaeus USA: Massachusetts Dedham: Dedham E. F. Williams 1901-7-21
GH: 00718985 Cynoglossum officinale Linnaeus USA: Massachusetts Williamstown: Williamstown E. F. Williams 1901-6-17
GH: 00638524 Hackelia virginiana (Linnaeus) I. M. Johnston USA: New Hampshire Alstead: Alstead E. F. Williams 1901-7-27
GH: 00716729 Lappula echinata Gilibert USA: Massachusetts Dedham: Dedham E. F. Williams 1901-7-21
NEBC: 00577192 Myosotis scorpioides Linnaeus USA: New Hampshire Alstead: Alstead E. F. Williams 1901-7-27
GH: 00656701 Myosotis stricta Link ex Roemer & Schultes USA: Massachusetts Milton: Milton E. F. Williams 1901-5-12
NEBC: 00716879 Myosotis verna Nuttall USA: Rhode Island Providence: Providence E. F. Williams 185 1901-5-29
GH: 00633152 Symphytum officinale Linnaeus USA: Massachusetts West Falmouth E. F. Williams 1901-7-14
Brassicaceae GH: 00617682 Arabidopsis lyrata (Linnaeus) O'Kane & Al-Shehbaz USA: Connecticut Stratford: Stratford E. F. Williams 1901-6-9
NEBC: 00610661 Barbarea verna (Miller) Ascherson USA: Connecticut Stratford: Stratford E. F. Williams 1901-6-9
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
NEBC: 00592802 Capsella bursa-pastoris (Linnaeus) Medikus USA: Maine Fort Kent: Fort Kent E. F. Williams 1901-8-12
NEBC: 00660162 Cardamine bellidifolia Linnaeus USA: New Hampshire Mount Washington E. F. Williams 1901-8-6
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: 00579114 Cardamine pensylvanica Muhlenberg ex Willdenow USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
GH: 00617857 Lepidium densiflorum Schrader USA: Maine Fort Fairfield: Fort Fairfield E. F. Williams 1901-8-16
GH: 00582444 Raphanus raphanistrum Linnaeus USA: New Hampshire Hampton Falls: Hampton Falls E. F. Williams 1901-9-22
GH: 00735913 Rorippa palustris (Linnaeus) Besser USA: Maine Van Buren: Van Buren E. F. Williams 1901-8-14
GH: 00735905 Rorippa palustris (Linnaeus) Besser USA: Connecticut Stratford: Stratford E. F. Williams 1 1901-6-9
GH: 00612248 Sinapis arvensis Linnaeus USA: New Hampshire Mount Washington E. F. Williams 1 1901-8-6
NEBC: 00582892 Sisymbrium officinale leiocarpum de Candolle USA: Massachusetts Sudbury: East Sudbury E. F. Williams 1901-7-7
Caesalpiniaceae 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
Campanulaceae NEBC: 00698194 Campanula aparinoides Pursh USA: New Hampshire Alstead: Alstead E. F. Williams 1901-7-27
GH: 00753016 Triodanis perfoliata (Linnaeus) Nieuwland USA: Massachusetts Framingham: Framingham, Nobscot Hill E. F. Williams 1901-7-7
GH: 00753157 Triodanis perfoliata (Linnaeus) Nieuwland USA: Connecticut Stratford: Stratford E. F. Williams 1901-6-9
Cannabaceae A: 00591387 Humulus japonicus Siebold & Zuccarini USA: Maine Madawaska: Madawaska E. F. Williams 1901-8-12
Caprifoliaceae NEBC: 00682620 Lonicera dioica Linnaeus USA: New Hampshire Walpole: Walpole E. F. Williams 1901-7-28
GH: 00682707 Lonicera dioica Linnaeus USA: Massachusetts Williamstown: Williamstown E. F. Williams 1901-6-17
GH: 00682733 Lonicera dioica Linnaeus USA: Connecticut Southington: Southington E. F. Williams 1 1901-5-30
GH: 00721017 Sambucus nigra canadensis (L.) R. Bolli USA: New Hampshire Mount Washington E. F. Williams 1901-8-5
GH: 00721207 Sambucus racemosa Linnaeus USA: Maine Stacyville: Stacyville E. F. Williams 1 1901-2-27
GH: 00702011 Sambucus racemosa Linnaeus USA: Massachusetts Mount Graylock E. F. Williams 1901-6-16
GH: 00702315 Viburnum acerifolium Linnaeus USA: Massachusetts Williamstown: Williamstown E. F. Williams 1901-6-17
GH: 00687869 Viburnum lantanoides Michaux USA: Massachusetts Mount Graylock E. F. Williams 1901-6-16
GH: 00702394 Viburnum lantanoides Michaux USA: Maine Stacyville: Stacyville E. F. Williams 1 1901-2-27
Caryophyllaceae GH: 00581148 Agrostemma githago Linnaeus USA: Massachusetts Sudbury: East Sudbury E. F. Williams 1901-7-7
GH: 00564681 Cerastium fontanum vulgare (Hartman) Greuter & Burdet USA: New Hampshire Mount Washington E. F. Williams 1901-8-6
GH: 00564852 Cerastium fontanum vulgare (Hartman) Greuter & Burdet USA: Massachusetts Mt. Greylock E. F. Williams 1901-6-16
NEBC: 00698587 Honckenya peploides robusta (Fernald) Hultén USA: Massachusetts Falmouth: Falmouth E. F. Williams 1901-7-14
GH: 00581204 Scleranthus annuus Linnaeus USA: New Hampshire Peterborough: Peterborough E. F. Williams 1901-9-2
GH: 00602656 Scleranthus annuus Linnaeus USA: Connecticut Stratford: Stratford E. F. Williams 1 1901-6-9
GH: 00602748 Silene latifolia alba (Miller) Greuter & Burdet USA: New Hampshire Hanover: Hanover E. F. Williams 1901-7-18
GH: 00525731 Spergula arvensis Linnaeus USA: Maine Van Buren: Van Buren E. F. Williams 1901-8-13
NEBC: 00525822 Spergula arvensis Linnaeus USA: Massachusetts Milton: Milton E. F. Williams 1901-5-12
GH: 00693224 Spergularia canadensis (Persoon) G. Don USA: New Hampshire Hampton: Hampton E. F. Williams 1901-9-22
NEBC: 00693225 Spergularia canadensis (Persoon) G. Don USA: New Hampshire Hampton: Hampton E. F. Williams 1901-9-22
GH: 00693227 Spergularia canadensis (Persoon) G. Don USA: New Hampshire Rye: Rye E. F. Williams 1901-9-19
GH: 00693359 Spergularia marina (Linnaeus) Grisebach USA: New Hampshire Rye: Rye E. F. Williams 1 1901-9-19
GH: 00693874 Stellaria borealis Bigelow USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
NEBC: 01034000 Stellaria longifolia Muhlenberg ex Willdenow USA: New Hampshire Walpole: Walpole E. F. Williams 1901-7-28
GH: 00581771 Stellaria media (Linnaeus) Villars USA: Maine Fort Kent: Fort Kent E. F. Williams 1 1901-8-12
GH: 00581677 Vaccaria hispanica (Miller) Rauschert USA: Massachusetts Dedham: Dedham E. F. Williams 1 1901-7-21
Chenopodiaceae GH: 00670074 Atriplex dioica (Nuttall) J. F. Macbride USA: New Hampshire Newcastle E. F. Williams 1901-9-19
NEBC: 00670075 Atriplex dioica (Nuttall) J. F. Macbride USA: New Hampshire Newcastle E. F. Williams 1 1901-9-19
GH: 00670135 Atriplex glabriuscula Edmondston USA: New Hampshire Newcastle E. F. Williams 1901-9-19
GH: 00650753 Atriplex littoralis Linnaeus USA: New Hampshire Rye: Rye E. F. Williams 1901-9-19
GH: 00650771 Atriplex mucronata Rafinesque USA: New Hampshire Hampton Falls: Hampton Falls E. F. Williams 1901-9-22
GH: 00650770 Atriplex mucronata Rafinesque USA: New Hampshire Rye: Rye E. F. Williams 1901-9-19
GH: 00598460 Atriplex patula Linnaeus USA: Maine Van Buren: Van Buren E. F. Williams 1901-8-14
GH: 00561331 Chenopodium album Linnaeus USA: Maine Fort Kent: Fort Kent E. F. Williams 1901-8-12
GH: 00598980 Chenopodium glaucum Linnaeus USA: Massachusetts Sudbury: East Sudbury E. F. Williams 1901-7-7
GH: 00670684 Chenopodium macrocalycium Aellen USA: New Hampshire Rye: Rye E. F. Williams 1901-9-19
GH: 00670773 Chenopodium rubrum Linnaeus USA: New Hampshire Hampton: Hampton E. F. Williams 1 1901-9-22
GH: 00670774 Chenopodium rubrum Linnaeus USA: New Hampshire Newcastle E. F. Williams 2 1901-9-19
NEBC: 00670831 Chenopodium simplex (Torrey) Rafinesque USA: New Hampshire Walpole: Walpole E. F. Williams 1901-7-28
GH: 00754634 Salicornia bigelovii Torrey USA: New Hampshire Rye: Rye E. F. Williams 1901-9-19
GH: 00754633 Salicornia bigelovii Torrey USA: New Hampshire Hampton: Hampton E. F. Williams 1901-9-22
NEBC: 00754635 Salicornia bigelovii Torrey USA: New Hampshire Rye: Rye E. F. Williams 1901-9-19
GH: 00754783 Salicornia depressa Standley USA: New Hampshire Rye: Rye E. F. Williams 1 1901-9-19
NEBC: 00754784 Salicornia depressa Standley USA: New Hampshire Rye: Rye E. F. Williams 1901-9-19
GH: 00732318 Salsola kali Linnaeus USA: New Hampshire Newcastle E. F. Williams 1 1901-9-19
GH: 00732319 Salsola kali Linnaeus USA: New Hampshire Rye: Rye E. F. Williams 1 1901-9-19
NEBC: 00732516 Suaeda linearis (Elliott) Moquin-Tandon USA: New Hampshire Hampton Falls: Hampton Falls E. F. Williams 1901-9-22
NEBC: 00732518 Suaeda linearis (Elliott) Moquin-Tandon USA: New Hampshire Rye: Rye E. F. Williams 1901-9-19
NEBC: 00660736 Suaeda maritima (Linnaeus) Dumortier USA: New Hampshire Rye: Rye E. F. Williams 1901-9-19
NEBC: 00660737 Suaeda maritima (Linnaeus) Dumortier USA: New Hampshire Rye: Rye E. F. Williams 1901-9-19
Cistaceae NEBC: 00573693 Lechea intermedia Leggett ex Britton USA: New Hampshire Rye: Rye E. F. Williams 1901-9-19
Cornaceae GH: 00773537 Cornus alternifolia Linnaeus f. USA: Massachusetts Mount Greylock E. F. Williams 1 1901-6-16
GH: 00773755 Cornus intermedia (Farr) Calder & Roy L. Taylor USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
A: 02018393 Cornus rugosa Lamarck Canada: New Brunswick Four Falls E. F. Williams 1901-8-14
GH: 02018854 Cornus stolonifera Michaux Canada: New Brunswick On the St. John - opposite mouth of the Tobi... E. F. Williams 1901-8-14
GH: 00765407 Cornus stolonifera Michaux USA: Maine Fort Fairfield: Fort Fairfield E. F. Williams 1901-8-17
Cupressaceae GH: 02107217 Thuja occidentalis Linnaeus Canada: New Brunswick [data not captured] E. F. Williams 1901-8-14
Cyperaceae GH: 01182779 Bulbostylis capillaris (Linnaeus) Kunth ex C. B. Clarke USA: New Hampshire Hampton: Hampton E. F. Williams 1901-9-22
GH: 01182778 Bulbostylis capillaris (Linnaeus) Kunth ex C. B. Clarke USA: New Hampshire East Jaffrey E. F. Williams 1901-8-31
NEBC: 01182780 Bulbostylis capillaris (Linnaeus) Kunth ex C. B. Clarke USA: New Hampshire Hampton: Hampton E. F. Williams 1901-9-22
NEBC: 00214928 Carex appalachica J. M. Webber & P. W. Ball USA: Massachusetts Williamstown: Mount Greylock E. F. Williams 1901-6-16
GH: 00221097 Carex arctata Boott USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
GH: 00218216 Carex blanda Dewey USA: Connecticut Stratford: E. F. Williams 1901-6-9
NEBC: 00218685 Carex brunnescens (Persoon) Poiret USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
NEBC: 00221740 Carex capillaris Linnaeus USA: New Hampshire Alpine Garden, Mount Washington E. F. Williams 1901-8-5
GH: 00222607 Carex communis L. H. Bailey USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
GH: 00228438 Carex crinita crinita USA: Massachusetts Dedham: Wigwam Pond E. F. Williams 1901-7-21
NEBC: 00229647 Carex deweyana deweyana USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
GH: 00229731 Carex diandra Schrank USA: Massachusetts Williamstown: E. F. Williams 1901-6-17
NEBC: 00229774 Carex digitalis digitalis USA: New Hampshire Alstead: E. F. Williams 1901-7-28
NEBC: 00241385 Carex glaucodea Tuckerman ex Olney USA: Massachusetts Blue Hills Reservation, near summit of Blue ... E. F. Williams 1901-7-4
NEBC: 00248070 Carex gracillima Schweinitz USA: Connecticut Stratford: E. F. Williams 1901-3-9
GH: 00248203 Carex granularis Muhlenberg ex Willdenow USA: Massachusetts Williamstown: E. F. Williams 1901-6-17
GH: 00248203 Carex granularis haleana (Olney) Porter USA: Massachusetts Williamstown: E. F. Williams 1901-6-17
NEBC: 00248365 Carex grisea Wahlenberg USA: Connecticut Stratford: E. F. Williams 1901-6-9
GH: 00248203 Carex haleana Olney USA: Massachusetts Williamstown: E. F. Williams 1901-6-17
GH: 00260497 Carex hirtifolia Mackenzie USA: New Hampshire Alstead: Cold River bottom E. F. Williams 1901-7-27
GH: 00254640 Carex hystericina Muhlenberg ex Willdenow USA: Massachusetts Williamstown: E. F. Williams 1901-6-15
GH: 00299158 Carex intumescens Rudge USA: Massachusetts Westwood: Purgatory Swamp E. F. Williams 1901-7-21
GH: 00299593 Carex laevivaginata (Kükenthal) Mackenzie USA: Massachusetts Williamstown: E. F. Williams 1901-5-17
NEBC: 00299787 Carex lasiocarpa americana Fernald USA: Massachusetts Tewksbury: Round Pond E. F. Williams 1901-6-23
NEBC: 00892411 Carex laxiculmis Schweinitz USA: Massachusetts Williamstown: Williamstown E. F. Williams 1901-6-17
GH: 01030689 Carex longii Mackenzie USA: Connecticut Hartford: Hartford E. F. Williams 1901-6-18
GH: 00726086 Carex muehlenbergii Schkuhr ex Willdenow USA: Massachusetts Framingham: Framingham, Nobscot Hill E. F. Williams 1901-7-7
NEBC: 00717093 Carex muehlenbergii enervis Boott USA: Massachusetts Framingham: Framingham, Nobscot hill E. F. Williams 1901-7-7
GH: 00807268 Carex normalis Mackenzie USA: Massachusetts Williamstown: Williamstown E. F. Williams 1901-6-18
GH: 00807296 Carex normalis Mackenzie USA: Connecticut Hartford: Hartford E. F. Williams 1901
NEBC: 00895761 Carex novae-angliae Schweinitz USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
NEBC: 00802107 Carex rosea Schkuhr ex Willdenow USA: Connecticut Hartford: Hartford E. F. Williams 1901-6-20
NEBC: 00717275 Carex schweinitzii Dewey ex Schweinitz USA: Massachusetts Williamstown: Williamstown E. F. Williams 1901-6-17
GH: 00714635 Carex scoparia Schkuhr ex Willdenow USA: Massachusetts Sudbury: Sudbury, Nobscot Hill E. F. Williams 1901-7-7
GH: 00248203 Carex shriveri Britton USA: Massachusetts Williamstown: E. F. Williams 1901-6-17
NEBC: 00802501 Carex siccata Dewey USA: Massachusetts Tewksbury: Tewksbury E. F. Williams 1901-6-23
GH: 01029989 Carex swanii (Fernald) Mackenzie USA: New Hampshire Alstead: Alstead E. F. Williams 1901-7-28
NEBC: 01060032 Carex swanii (Fernald) Mackenzie USA: Massachusetts Sudbury: Sudbury, Nobscot hill E. F. Williams 82 1901-7-7
NEBC: 00339520 Carex virescens Muhlenberg ex Willdenow USA: Massachusetts Blue Hill, Blue Hills Reservation E. F. Williams 1901-7-4
GH: 00874949 Cladium mariscoides (Muhlenberg) Torrey USA: Maine Crystal: Crystal E. F. Williams 1901-8-19
NEBC: 01042298 Cyperus bipartitus Torrey USA: New Hampshire East Jaffrey E. F. Williams 1 1901-9-2
GH: 01042623 Cyperus dentatus Torrey USA: Massachusetts Bourne: Bourne E. F. Williams 2 1901-9-15
NEBC: 01043676 Cyperus diandrus Torrey USA: Massachusetts Bourne: Bourne E. F. Williams 1901-9-15
NEBC: 01061552 Cyperus lupulinus macilentus (Fernald) Marcks USA: New Hampshire Walpole: Walpole E. F. Williams 1 1901-7-28
GH: 01047063 Cyperus squarrosus Linnaeus USA: New Hampshire Walpole: Walpole E. F. Williams 1901-7-28
NEBC: 01047065 Cyperus squarrosus Linnaeus USA: New Hampshire Walpole: Walpole E. F. Williams 1901-7-28
NEBC: 01047335 Dulichium arundinaceum (Linnaeus) Britton USA: Massachusetts Middleborough: Middleborough E. F. Williams 928 1901-8-11
GH: 01048080 Eleocharis erythropoda Steudel USA: New Hampshire Walpole: Walpole E. F. Williams 1901-7-28
NEBC: 01047259 Eleocharis flavescens olivacea (Torrey) Gleason USA: Massachusetts Scituate: Scituate E. F. Williams 1901-9-8
GH: 01047292 Eleocharis flavescens olivacea (Torrey) Gleason USA: Massachusetts Westwood: Westwood E. F. Williams 1 1901-10-6
NEBC: 01048341 Eleocharis intermedia (Muhlenberg) Schultes USA: Maine Fort Fairfield: Fort Fairfield E. F. Williams 1 1901-8-17
NEBC: 01048342 Eleocharis intermedia (Muhlenberg) Schultes USA: Maine Fort Fairfield: Fort Fairfield E. F. Williams 1901-8-18
NEBC: 00714205 Eleocharis obtusa (Willdenow) Schultes USA: New Hampshire Hampton: Hampton E. F. Williams 1 1901-9-22
GH: 00714207 Eleocharis obtusa (Willdenow) Schultes USA: New Hampshire Hampton: Hampton E. F. Williams 1901-9-22
GH: 00714227 Eleocharis obtusa (Willdenow) Schultes USA: New Hampshire East Jaffrey E. F. Williams 1901-8-31
NEBC: 00717690 Eleocharis obtusa (Willdenow) Schultes USA: Massachusetts Sharon: Sharon E. F. Williams 1 1901-9-7
GH: 00638043 Eleocharis obtusa (Willdenow) Schultes USA: Massachusetts Bourne: Bourne E. F. Williams 1901-9-15
NEBC: 00714388 Eleocharis ovata (Roth) Roemer & Schultes USA: Maine Fort Kent: Fort Kent E. F. Williams 1901-8-12
NEBC: 00714396 Eleocharis ovata (Roth) Roemer & Schultes USA: Maine Van Buren: Van Buren E. F. Williams 1901-8-13
NEBC: 01048577 Eleocharis parvula (Roemer & Schultes) Link ex Bluff, Nees & Schauer USA: New Hampshire Hampton: Hampton E. F. Williams 1901-9-22
GH: 01048578 Eleocharis parvula (Roemer & Schultes) Link ex Bluff, Nees & Schauer USA: New Hampshire Hampton: Hampton E. F. Williams 1901-9-22
GH: 01048645 Eleocharis quinqueflora (Hartmann) O. Schwarz USA: Maine Fort Fairfield: Fort Fairfield E. F. Williams 1901-8-18
GH: 00766205 Lipocarpha micrantha (Vahl) G. C. Tucker USA: Massachusetts Winchester: Winchester, Winter Pond E. F. Williams 2 1901-10-20
NEBC: 00894559 Scirpus atrocinctus Fernald USA: New Hampshire Alstead: Alstead E. F. Williams 1901-7-27
GH: 01160195 Scirpus cyperinus (Linnaeus) Kunth USA: New Hampshire East Jaffrey E. F. Williams 1901-8-31
GH: 00027995 Scirpus debilis williamsii Fernald USA: Massachusetts Sharon: Lake Massapoag E. F. Williams 1901-9-7
GH: 00027996 Scirpus debilis williamsii Fernald USA: Massachusetts Sharon: Lake Massapoag E. F. Williams 1901-9-7
NEBC: 00638684 Scirpus hallii A. Gray USA: Massachusetts Winchester: Winchester, Winter Pond E. F. Williams 1901-8-20
GH: 01160834 Scirpus pedicellatus Fernald USA: Maine Frenchville: Frenchville E. F. Williams 1901-8-12
GH: 00808921 Scirpus pendulus Muhlenberg USA: Vermont Middlebury: Middlebury E. F. Williams 1901-7-8
NEBC: 00638746 Scirpus purshianus Fernald USA: Massachusetts Winchester: Winchester, Winter Pond E. F. Williams 1901-10-13
NEBC: 00807584 Scirpus smithii A. Gray USA: Massachusetts Westwood: Westwood E. F. Williams 1901-10-6
NEBC: 01161092 Scirpus subterminalis Torrey USA: New Hampshire East Jaffrey E. F. Williams 1901-8-31
Droseraceae NEBC: 00741975 Drosera linearis Goldie USA: Maine Crystal: Crystal E. F. Williams 1901-8-19
GH: 00754366 Drosera rotundifolia Linnaeus USA: Maine Crystal: Crystal E. F. Williams 1901-8-19
Dryopteridaceae GH: 00708761 Dryopteris campyloptera (Kunze) Clarkson USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
NEBC: 00551204 Dryopteris goldiana (Hooker) A. Gray USA: New Hampshire Alstead: Alstead E. F. Williams 1901-7-27
Equisetaceae NEBC: 00674920 Equisetum hyemale affine (Engelmann) A. A. Eaton USA: New Hampshire Peterborough: Peterborough E. F. Williams 1901-9-2
GH: 00674924 Equisetum hyemale affine (Engelmann) A. A. Eaton USA: New Hampshire Alstead: Alstead E. F. Williams 1 1901-7-27
NEBC: 00674971 Equisetum hyemale affine (Engelmann) A. A. Eaton USA: Vermont Pownal: Pownal E. F. Williams 1901-6-17
NEBC: 00706196 Equisetum litorale Kühlewein ex Rupr. (pro sp.) USA: New Hampshire Walpole: Walpole E. F. Williams 1901-7-28
NEBC: 00709261 Equisetum mackaii (Newm.) Brichan USA: Maine Fort Kent: Fort Kent E. F. Williams 1901-8-10
Ericaceae GH: 01718920 Moneses uniflora (Linnaeus) A. Gray Canada: New Brunswick south of Grand Falls E. F. Williams 1901-8-14
GH: 00553753 Monotropa uniflora Linnaeus USA: Maine Hamlin: Hamlin E. F. Williams 1901-8-14
GH: 00717380 Pyrola minor Linnaeus USA: Maine Van Buren: Van Buren E. F. Williams 1901-8-13
GH: 00463040 Vaccinium angustifolium Aiton USA: Massachusetts Mt. Greylock E. F. Williams 1901-6-16
GH: 00461655 Vaccinium angustifolium Aiton USA: New Hampshire Mt. Washington: Mt. Washington E. F. Williams 1901-8-6
Euphorbiaceae NEBC: 01078191 Acalypha gracilens A. Gray USA: New Hampshire Hampton Falls: Hampton Falls E. F. Williams 1 1901-9-22
NEBC: 01078208 Acalypha gracilens A. Gray USA: Massachusetts Winchester: Winchester, Winter Pond E. F. Williams 2 1901-10-13
GH: 01078223 Acalypha gracilens A. Gray USA: Massachusetts Franklin: Franklin E. F. Williams 1901-10-3
GH: 01078224 Acalypha gracilens A. Gray USA: Massachusetts Bourne: Bourne E. F. Williams 2 1901-9-15
NEBC: 01078644 Acalypha rhomboidea Rafinesque USA: New Hampshire Hampton Falls: Hampton Falls E. F. Williams 1 1901-9-22
GH: 00712757 Chamaesyce polygonifolia (Linnaeus) Small USA: Maine Rye E. F. Williams 1901-9-19
NEBC: 00712758 Chamaesyce polygonifolia (Linnaeus) Small USA: Maine Rye E. F. Williams 1901-9-19
Fabaceae GH: 00747592 Baptisia tinctoria (Linnaeus) Ventenat USA: Massachusetts Framingham: Framingham, Nobscot hill E. F. Williams 1901-1-7
GH: 00747908 Desmodium canadense (Linnaeus) de Candolle USA: New Hampshire Walpole: Walpole E. F. Williams 1901-7-28
GH: 00643169 Lathyrus japonicus glaber (Seringe) Fernald USA: New Hampshire Newcastle E. F. Williams 1901-9-19
GH: 00643256 Lathyrus palustris Linnaeus USA: Maine Fort Fairfield: Fort Fairfield E. F. Williams 1901-8-15
GH: 00739707 Lespedeza angustifolia (Pursh) Elliot USA: Massachusetts Bourne: Bourne E. F. Williams 1 1901-9-15
GH: 00739817 Lespedeza capitata Michaux USA: Massachusetts Winchester: Winchester, Horn Pond Mt. E. F. Williams 1 1901-10-20
NEBC: 00739819 Lespedeza capitata Michaux USA: Massachusetts Winchester: Winchester E. F. Williams 1 1901-10-13
GH: 00711685 Lespedeza capitata Michaux USA: Massachusetts Bourne: Bourne E. F. Williams 1901-9-15
GH: 00639880 Lespedeza virginica (Linnaeus) Britton USA: Massachusetts Winchester: Winchester, Winter Pond region E. F. Williams 1901-10-20
GH: 00534394 Medicago lupulina Linnaeus USA: Massachusetts Williamstown: Williamstown E. F. Williams 1901-6-18
NEBC: 00534395 Medicago lupulina Linnaeus USA: Massachusetts Williamstown: Williamstown E. F. Williams 1901-6-18
NEBC: 00711885 Tephrosia virginiana (Linnaeus) Persoon USA: Massachusetts West Falmouth E. F. Williams 1901-7-14
GH: 00586959 Trifolium repens Linnaeus USA: Connecticut Stratford: Stratford E. F. Williams 1 1901-6-9
Fagaceae GH: 00727839 Fagus grandifolia Ehrhart USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
GH: 00695072 Fagus grandifolia Ehrhart USA: Connecticut Stratford: Stratford E. F. Williams 2 1901-6-9
GH: 00443493 Quercus ilicifolia Wangenheim USA: Massachusetts Summit of Blue Hill, Blue Hills Reservation E. F. Williams 1901-7-4
NEBC: 00746773 Quercus prinoides Willdenow USA: Massachusetts Bourne: Bourne E. F. Williams 1 1901-9-15
Gentianaceae GH: 00726878 Gentiana linearis Froelich USA: New Hampshire East Jaffrey E. F. Williams 1901-8-31
NEBC: 00726949 Gentianella amarella (Linnaeus) Börner USA: Maine Van Buren: Van Buren E. F. Williams 1 1901-8-13
Geraniaceae GH: 01068491 Geranium robertianum Linnaeus USA: New Hampshire Alstead: Alstead E. F. Williams 1901-7-27
GH: 01070563 Geranium robertianum Linnaeus USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
Haloragaceae NEBC: 01017905 Myriophyllum humile (Rafinesque) Morong USA: Massachusetts Scituate: Scituate E. F. Williams 1901-9-8
GH: 01071175 Proserpinaca palustris crebra Fernald & Griscom USA: New Hampshire East Jaffrey E. F. Williams 1 1901-8-31
Hamamelidaceae GH: 00640326 Hamamelis virginiana Linnaeus USA: Maine Penobscot: Penobscot E. F. Williams 1901-2-27
GH: 00640452 Hamamelis virginiana Linnaeus USA: New Hampshire Alstead: Alstead E. F. Williams 1 1901-7-28
GH: 00640479 Hamamelis virginiana Linnaeus USA: Vermont Pownal: Pownal E. F. Williams 1901-6-17
Hydrophyllaceae GH: 00716643 Hydrophyllum virginianum Linnaeus USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
Hypericaceae NEBC: 00750765 Hypericum adpressum Barton USA: Massachusetts Bourne: Bourne E. F. Williams 1901-9-15
NEBC: 00750767 Hypericum adpressum Barton USA: Massachusetts Bourne: Bourne E. F. Williams 1901-9-15
GH: 00750768 Hypericum adpressum Barton USA: Massachusetts Bourne: Bourne E. F. Williams 1901-9-15
GH: 00750769 Hypericum adpressum Barton USA: Massachusetts Bourne: Bourne E. F. Williams 1901-9-15
GH: 00750771 Hypericum adpressum Barton USA: Massachusetts Bourne: Bourne E. F. Williams 1901-9-15
NEBC: 00715333 Hypericum ellipticum Hooker USA: New Hampshire Walpole: Walpole E. F. Williams 1 1901-7-28
Iridaceae GH: 00894194 Sisyrinchium montanum crebrum Fernald USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
Isoetaceae GH: 00738374 Isoetes echinospora Durieu USA: Maine Fort Kent: Fort Kent E. F. Williams 1 1901-8-11
NEBC: 00744410 Isoetes echinospora Durieu USA: Vermont Mount Mansfield E. F. Williams 2472 1901-8-14
Juncaceae GH: 01026604 Juncus alpinoarticulatus Chaix USA: Maine Fort Kent: Fort Kent E. F. Williams 1901-8-12
GH: 00864971 Juncus articulatus Linnaeus USA: New Hampshire Alstead: Alstead E. F. Williams 1901-7-28
GH: 00765590 Juncus brachycarpus Engelmann USA: Massachusetts Scituate: Scituate E. F. Williams 1901-9-8
NEBC: 00765593 Juncus brachycarpus Engelmann USA: Massachusetts Scituate: Scituate E. F. Williams 1901-9-8
GH: 01025727 Juncus brachycephalus (Engelmann) Buchenau USA: Maine Fort Fairfield: Fort Fairfield E. F. Williams 1901-8-15
NEBC: 01025921 Juncus brevicaudatus (Engelmann) Fernald USA: New Hampshire Mount Washington E. F. Williams 1901-8-6
GH: 01174657 Juncus bufonius Linnaeus USA: Maine Van Buren: Van Buren E. F. Williams 1901-8-13
NEBC: 01174659 Juncus bufonius Linnaeus USA: Maine Van Buren: Van Buren E. F. Williams 1901-8-13
GH: 01174759 Juncus bufonius Linnaeus USA: New Hampshire Newcastle E. F. Williams 1 1901-9-19
GH: 00860687 Juncus greenei Oakes & Tuckerman USA: Massachusetts Framingham: Framingham, Nobscot hill E. F. Williams 1901-7-7
GH: 00860688 Juncus greenei Oakes & Tuckerman USA: Massachusetts West Falmouth E. F. Williams 1901-7-14
GH: 00878966 Juncus secundus P. Beauvois ex Poiret USA: Massachusetts Framingham: Framingham, Nobscot hill E. F. Williams 1901-7-7
NEBC: 01148333 Juncus tenuis Willdenow USA: Maine Fort Fairfield: Fort Fairfield E. F. Williams 1901-8-18
NEBC: 01148326 Juncus tenuis Willdenow USA: Maine Van Buren: Van Buren E. F. Williams 1901-8-13
NEBC: 01148325 Juncus tenuis Willdenow USA: Maine Van Buren: Van Buren E. F. Williams 1901-8-13
NEBC: 01148324 Juncus tenuis Willdenow USA: Maine Van Buren: Van Buren E. F. Williams 1901-8-13
GH: 01150267 Juncus tenuis Willdenow USA: Massachusetts Framingham: Framingham, Nobscot hill E. F. Williams 1901-7-7
GH: 02397293 Juncus tenuis williamsii Fernald USA: Maine Van Buren E. F. Williams 3312 1901-8-13
GH: 00775986 Juncus vaseyi Engelmann USA: Maine Fort Kent: Fort Kent E. F. Williams 1901-8-10
GH: 00734248 Luzula acuminata Rafinesque USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
GH: 01150919 Luzula multiflora (Ehrhart) Lejeune USA: New Hampshire Mount Washington E. F. Williams 1901-8-5
NEBC: 01150920 Luzula multiflora (Ehrhart) Lejeune USA: New Hampshire Mount Washington E. F. Williams 1 1901-8-5
GH: 00880267 Luzula multiflora (Ehrhart) Lejeune USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
GH: 00880365 Luzula parviflora (Ehrhart) Desvaux USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
Juncaginaceae GH: 00684005 Triglochin maritima Linnaeus USA: Maine Crystal: Crystal E. F. Williams 1901-8-19
GH: 00684069 Triglochin maritima Linnaeus USA: New Hampshire Hampton: Hampton E. F. Williams 1901-9-22
Lamiaceae GH: 00656103 Clinopodium vulgare Linnaeus USA: New Hampshire Alstead: Alstead E. F. Williams 1901-7-27
GH: 00696519 Lycopus americanus Muhlenberg ex W. P. C. Barton USA: Maine Madawaska: Madawaska E. F. Williams 1901-8-12
NEBC: 01047855 Mentha canadensis Linnaeus USA: Maine Fort Fairfield: Fort Fairfield E. F. Williams 1901-8-15
GH: 00751767 Prunella vulgaris lanceolata (W. P. C. Barton) Fernald USA: New Hampshire Hampton: Hampton E. F. Williams 1901-9-22
NEBC: 00648771 Pycnanthemum virginianum (Linnaeus) B. L. Robinson & Fernald USA: Massachusetts Dedham: Dedham E. F. Williams 1901-10-6
NEBC: 00691638 Satureja hortensis Linnaeus USA: Maine Van Buren: Van Buren E. F. Williams 1901-8-13
NEBC: 00707583 Stachys hyssopifolia Michaux USA: Massachusetts Bourne: Bourne E. F. Williams 1901-9-15
GH: 00593995 Teucrium canadense Linnaeus USA: New Hampshire Rye: Rye E. F. Williams 1901-9-19
NEBC: 00593997 Teucrium canadense Linnaeus USA: New Hampshire Rye: Rye E. F. Williams 1901-9-19
NEBC: 00602406 Teucrium canadense virginicum (Linnaeus) Eaton USA: New Hampshire Walpole: Walpole E. F. Williams 1901-7-28
NEBC: 00645068 Trichostema dichotomum Linnaeus USA: New Hampshire East Jaffrey E. F. Williams 1 1901-8-31
NEBC: 00645069 Trichostema dichotomum Linnaeus USA: New Hampshire Hampton: Hampton E. F. Williams 2 1901-9-22
Lentibulariaceae GH: 00568246 Utricularia cornuta Michaux USA: Massachusetts Falmouth: Falmouth E. F. Williams 2 1901-7-14
NEBC: 00736266 Utricularia purpurea Walter USA: New Hampshire East Jaffrey E. F. Williams 1 1901-8-31
Liliaceae NEBC: 00880399 Aletris farinosa Linnaeus USA: Massachusetts West Falmouth E. F. Williams 1901-7-14
GH: 00560636 Clintonia borealis (Aiton) Rafinesque USA: Massachusetts Mt. Greylock E. F. Williams 1901-6-16
NEBC: 00880584 Erythronium americanum Ker Gawler USA: Massachusetts Arlington: Arlington, Turkey Hill swamp E. F. Williams 1901-5-5
NEBC: 00673360 Lilium canadense Linnaeus USA: Massachusetts Sudbury: Sudbury, Nobscot hill E. F. Williams 1901-7-7
NEBC: 00505629 Maianthemum canadense Desfontaines USA: Massachusetts Mt. Greylock E. F. Williams 1901-6-16
GH: 00817430 Maianthemum racemosum (Linnaeus) Link USA: Massachusetts Williamstown: Williamstown E. F. Williams 1901-6-15
NEBC: 00810098 Streptopus amplexifolius (Linnaeus) de Candolle USA: New Hampshire Mount Washington E. F. Williams 1901-8-6
GH: 01030779 Streptopus amplexifolius (Linnaeus) de Candolle USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
NEBC: 01030995 Streptopus lanceolatus (Aiton) Reveal USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
GH: 00869384 Trillium erectum Linnaeus USA: Connecticut Southington: Southington E. F. Williams 1901-5-30
Linaceae GH: 00761139 Linum usitatissimum Linnaeus USA: Maine Fort Fairfield: Fort Fairfield E. F. Williams 1901-8-16
NEBC: 00761140 Linum usitatissimum Linnaeus USA: Maine Fort Fairfield: Fort Fairfield E. F. Williams 1901-8-16
Lobeliaceae GH: 01798127 Lobelia inflata Linnaeus Canada: New Brunswick Grand Falls E. F. Williams 1901-8-14
GH: 00698775 Lobelia inflata Linnaeus USA: New Hampshire Walpole: Walpole E. F. Williams 1901-7-28
GH: 01798338 Lobelia kalmii Linnaeus Canada: New Brunswick Mouth of the Limestone River, Four Falls E. F. Williams 1901-8-14
GH: 00691124 Lobelia kalmii Linnaeus USA: New Hampshire Walpole: Walpole E. F. Williams 1 1901-7-28
Loranthaceae GH: 00648279 Arceuthobium pusillum Peck USA: Maine Fort Kent: Fort Kent E. F. Williams 1 1901-8-10
Lycopodiaceae NEBC: 00214573 Diphasiastrum habereri (House) Holub USA: Maine Fort Kent: Stevens Mountain E. F. Williams 1901-8-11
GH: 02163585 Diphasiastrum sabinifolium (Willdenow) Holub Canada: New Brunswick Grand Falls E. F. Williams 1901-8-14
NEBC: 00214647 Diphasiastrum sabinifolium (Willdenow) Holub USA: Maine Fort Kent: Stevens Mountain E. F. Williams 1901-8-11
GH: 00214798 Diphasiastrum sitchense (Ruprecht) Holub USA: New Hampshire Mount Washington, off the carriage road near... E. F. Williams 1901-8
NEBC: 00690556 Lycopodium clavatum Linnaeus USA: New Hampshire Mount Washington E. F. Williams 1901-8-6
GH: 00632380 Spinulum canadense (Nessel) A. Haines USA: New Hampshire Mount Washington E. F. Williams 1901-8-5
Lythraceae GH: 00612311 Lythrum hyssopifolia Linnaeus USA: New Hampshire Newcastle E. F. Williams 1901-9-19
Malvaceae GH: 00761360 Alcea rosea Linnaeus USA: Maine Fort Fairfield: Fort Fairfield E. F. Williams 1901-8-18
GH: 02201683 Malva aegyptia Linnaeus Canada: New Brunswick On geo. Everett farm - Establ. 42 yrs. Aroos... E. F. Williams 1901-8-17
GH: 00761541 Malva heterophylla Linnaeus USA: Maine Ashland: Ashland E. F. Williams 1901-8-9
Nyctaginaceae NEBC: 00771044 Mirabilis nyctaginea (Michaux) MacMillan USA: Massachusetts Dedham: Dedham E. F. Williams 1901-7-21
Onagraceae GH: 01618771 Chamerion angustifolium circumvagum (Mosquin) Hoch USA: Maine Hamlin: Toussaint Stream E. F. Williams 1901-8-14
NEBC: 01073743 Circaea canadensis canadensis (Linnaeus) Hill USA: Massachusetts Westwood: Westwood E. F. Williams 1901-7-21
GH: 01074564 Epilobium ciliatum Rafinesque USA: Maine Fort Kent: Fort Kent E. F. Williams 3 1901-8-9
NEBC: 00745692 Epilobium lactiflorum Haussknecht USA: New Hampshire Mount Washington E. F. Williams 1901-8-4
NEBC: 01041125 Epilobium leptophyllum Rafinesque USA: Maine Fort Fairfield: Fort Fairfield E. F. Williams 2 1901-8-18
NEBC: 01040912 Epilobium palustre Linnaeus USA: Maine Fort Kent: Fort Kent E. F. Williams 1901-8-11
NEBC: 01040913 Epilobium palustre Linnaeus USA: Maine Van Buren: Van Buren E. F. Williams 1901-8-13
NEBC: 01040986 Epilobium palustre Linnaeus USA: New Hampshire Mount Washington E. F. Williams 2 1901-8-6
NEBC: 01040988 Epilobium palustre Linnaeus USA: New Hampshire Mount Washington E. F. Williams 1901-8-4
GH: 01057760 Epilobium strictum Muhlenberg USA: Maine Crystal: Crystal E. F. Williams 1 1901-8-19
GH: 00745995 Ludwigia polycarpa Short & R. Peter USA: Massachusetts Winchester: Winchester, Round Pond E. F. Williams 1901-10-20
GH: 00415835 Oenothera perennis Linnaeus USA: Massachusetts Framingham: Framingham, Nobscot hill E. F. Williams 1901-7-7
Ophioglossaceae NEBC: 00654762 Botrychium dissectum Sprengel USA: Massachusetts Scituate: Scituate E. F. Williams 1 1901-9-8
NEBC: 00654763 Botrychium dissectum Sprengel USA: Massachusetts Scituate: Scituate E. F. Williams 3 1901-9-8
GH: 00739145 Botrychium lanceolatum angustisegmentum (Pease & A. H. Moore) R. T. Clausen USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
NEBC: 00739496 Botrychium matricariifolium A. Brown USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
GH: 00690407 Botrychium virginianum (Linnaeus) Swartz USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
Orchidaceae GH: 00834474 Coeloglossum viride bracteata (Muhlenberg) Grey USA: Massachusetts Mount Greylock E. F. Williams 1 1901-6-16
GH: 01938082 Corallorhiza maculata (Rafinesque) Rafinesque Canada: New Brunswick George Everett farm. Four Falls Grand Falls ... E. F. Williams 2 1901-8-17
GH: 00728414 Cypripedium reginae Walter USA: Massachusetts Williamstown: Williamstown E. F. Williams 1901-6-17
GH: 01021628 Goodyera tesselata Loddiges USA: New Hampshire Alstead: Alstead E. F. Williams 2 1901-7-27
GH: 01021627 Goodyera tesselata Loddiges USA: New Hampshire Walpole: Walpole E. F. Williams 3 1901-7-28
NEBC: 01016764 Listera auriculata Wiegand USA: Maine Van Buren: Van Buren E. F. Williams 2 1901-8-13
GH: 01021888 Malaxis unifolia Michaux USA: Maine Fort Kent: Fort Kent E. F. Williams 1901-8-11
NEBC: 01062277 Platanthera clavellata (Michaux) Luer USA: Massachusetts Westwood: Westwood E. F. Williams 1901-7-21
AMES: 02045367 Platanthera huronensis (Nuttall) Lindley Canada: New Brunswick Valley of the St. John river Opposite mouth ... E. F. Williams 1901-8-14
AMES: 02045368 Platanthera huronensis (Nuttall) Lindley Canada: New Brunswick Mouth of the Limestone river Four Falls E. F. Williams 1901-8-17
NEBC: 00728799 Platanthera huronensis (Nuttall) Lindley USA: Maine Ashland: Ashland E. F. Williams 2 1901-8-9
AMES: 00462607 Platanthera lacera (Michaux) G. Don USA: New Hampshire Alstead: Alstead E. F. Williams 1901-7-28
GH: 01056327 Platanthera orbiculata (Pursh) Lindley USA: Massachusetts Mount Greylock E. F. Williams 1 1901-6-16
GH: 01056406 Spiranthes cernua (Linnaeus) Richard USA: New Hampshire Hampton: Hampton E. F. Williams 1901-9-22
NEBC: 01063107 Spiranthes lacera (Rafinesque) Rafinesque USA: New Hampshire Alstead: Alstead E. F. Williams 1 1901-7-27
GH: 01008375 Spiranthes lucida (H. H. Eaton) Ames USA: Massachusetts Williamstown: Williamstown E. F. Williams 1 1901-6-17
NEBC: 01008488 Spiranthes romanzoffiana Chamisso USA: Maine Winterville E. F. Williams 1901-8-9
NEBC: 01008622 Spiranthes romanzoffiana Chamisso USA: New Hampshire Walpole: Walpole E. F. Williams 1901-7-28
Orobanchaceae GH: 00762929 Agalinis maritima (Rafinesque) Rafinesque USA: New Hampshire Hampton: Hampton E. F. Williams 1901-9-22
GH: 00762946 Agalinis maritima (Rafinesque) Rafinesque USA: New Hampshire Hampton: Hampton E. F. Williams 1901-9-22
GH: 00642987 Agalinis paupercula (A. Gray) Britton USA: New Hampshire Hampton: Hampton E. F. Williams 1901-9-22
GH: 00645614 Agalinis paupercula borealis Pennell USA: New Hampshire Hampton: Hampton E. F. Williams 2 1901-9-22
NEBC: 00664027 Agalinis tenuifolia (Vahl) Rafinesque USA: Massachusetts Brookline: Brookline, side of South St. E. F. Williams 2619 1901-9-30
GH: 00679473 Euphrasia oakesii Wettstein USA: New Hampshire Mount Washington E. F. Williams 1901-8-6
GH: 01178558 Orobanche uniflora Linnaeus USA: Massachusetts Williamstown: Williamstown E. F. Williams 1 1901-6-16
GH: 00503234 Pedicularis canadensis Linnaeus USA: Massachusetts Williamstown: Williamstown E. F. Williams 1901-6-17
Oxalidaceae GH: 00100455 Oxalis dillenii dillenii USA: New Hampshire Alstead: E. F. Williams 1901-7-27
NEBC: 00282798 Oxalis dillenii dillenii USA: New Hampshire Alstead: E. F. Williams 1901-7-27
NEBC: 01071335 Oxalis montana Rafinesque USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
GH: 00100455 Oxalis stricta Linnaeus USA: New Hampshire Alstead: E. F. Williams 1901-7-27
NEBC: 00282798 Oxalis stricta Linnaeus USA: New Hampshire Alstead: E. F. Williams 1901-7-27
GH: 00100455 Oxalis stricta piletocarpa Wiegand USA: New Hampshire Alstead: E. F. Williams 1901-7-27
NEBC: 00282798 Oxalis stricta piletocarpa Wiegand USA: New Hampshire Alstead: E. F. Williams 1901-7-27
NEBC: 00669723 Oxalis violacea Linnaeus USA: Connecticut Stratford: Stratford E. F. Williams 1901-6-9
Papaveraceae GH: 00759522 Papaver rhoeas Linnaeus USA: Maine Van Buren: Van Buren E. F. Williams 1901-8-13
Parnassiaceae GH: 01057008 Parnassia glauca Rafinesque USA: Maine Fort Fairfield: Fort Fairfield E. F. Williams 1901-8-15
GH: 01057009 Parnassia glauca Rafinesque USA: Maine Fort Kent: Fort Kent E. F. Williams 1901-8-10
Penthoraceae GH: 01028461 Penthorum sedoides Linnaeus USA: New Hampshire Hampton: Hampton E. F. Williams 1901-9-2
NEBC: 01028518 Penthorum sedoides Linnaeus USA: Massachusetts Winchester: Winchester, Winter Pond E. F. Williams 1901-10-20
Phrymaceae GH: 00664679 Phryma leptostachya Linnaeus USA: New Hampshire Alstead: Alstead E. F. Williams 1901-7-27
Plantaginaceae NEBC: 00633511 Linaria vulgaris Miller USA: Maine Fort Fairfield: Fort Fairfield E. F. Williams 1901-8-16
GH: 00633565 Linaria vulgaris Miller USA: New Hampshire Newcastle E. F. Williams 1901-9-19
GH: 00617191 Plantago major Linnaeus USA: Maine Fort Kent: Fort Kent E. F. Williams 1901-8-12
GH: 00593656 Plantago major Linnaeus USA: New Hampshire Mount Washington E. F. Williams 1 1901-8-6
GH: 00650673 Plantago maritima juncoides (Lamarck) A. Gray USA: New Hampshire Rye: Rye E. F. Williams 1901-9-19
GH: 00707166 Veronica americana Schweinitz ex Bentham USA: Massachusetts Williamstown: Williamstown E. F. Williams 1901-6-17
GH: 00656522 Veronica arvensis Linnaeus USA: Vermont Pownal: Pownal E. F. Williams 1901-6-17
GH: 00655330 Veronica latifolia Linnaeus USA: Maine Van Buren: Van Buren E. F. Williams 1901-8-13
GH: 00656897 Veronica officinalis Linnaeus USA: Connecticut Stratford: Stratford E. F. Williams 1901-6-9
Platanaceae GH: 00648440 Platanus occidentalis Linnaeus USA: New Hampshire Walpole: Walpole E. F. Williams 1901-7-28
Plumbaginaceae GH: 00729671 Limonium carolinianum (Walter) Britton USA: New Hampshire Rye: Rye E. F. Williams 1 1901-9-19
Poaceae NEBC: 00338278 Agrostis alba Linnaeus USA: Massachusetts Blue Hills Reservation E. F. Williams 1901-7-4
GH: 00622270 Agrostis capillaris Linnaeus USA: Massachusetts Framingham: Framingham, Nobscot hill E. F. Williams 1901-7-7
GH: 00835064 Agrostis scabra Willdenow USA: Connecticut Hartford: Hartford E. F. Williams 1901-7-16
NEBC: 00338278 Agrostis stolonifera Linnaeus USA: Massachusetts Blue Hills Reservation E. F. Williams 1901-7-4
GH: 00835153 Agrostis stolonifera Linnaeus USA: Massachusetts Cape Cod E. F. Williams 1 1901-7-14
NEBC: 00835410 Alopecurus aequalis Sobolewsky USA: Maine Madawaska: Madawaska E. F. Williams 1901-8-12
GH: 00835470 Alopecurus aequalis Sobolewsky USA: Massachusetts Winchester: Winchester, Winter Pond E. F. Williams 1901-10-20
GH: 00246119 Ammophila arenaria (Linnaeus) Link USA: New Hampshire Little Harbor - Newcastle E. F. Williams 1901-9-19
GH: 00246119 Ammophila arundinacea Host USA: New Hampshire Little Harbor - Newcastle E. F. Williams 1901-9-19
GH: 00246119 Ammophila breviligulata Fernald USA: New Hampshire Little Harbor - Newcastle E. F. Williams 1901-9-19
NEBC: 00689765 Ammophila breviligulata Fernald USA: New Hampshire Newcastle E. F. Williams 1901-9-19
NEBC: 00764165 Andropogon gerardi Vitman USA: Massachusetts Bourne: Bourne E. F. Williams 1901-9-15
NEBC: 00764166 Andropogon gerardi Vitman USA: Massachusetts Bourne: Bourne E. F. Williams 1901-9-15
GH: 01175245 Aristida dichotoma Michaux USA: New Hampshire Hampton: Hampton E. F. Williams 1901-9-22
NEBC: 01045116 Calamagrostis canadensis (Michaux) P. Beauvois USA: Massachusetts Dedham: Dedham E. F. Williams 1901-7-21
NEBC: 00878294 Cinna latifolia (Treviranus ex Göppert) Grisebach USA: Maine Fort Kent: Fort Kent E. F. Williams 1901-8-9
GH: 00878295 Cinna latifolia (Treviranus ex Göppert) Grisebach USA: Maine Hamlin: Hamlin E. F. Williams 1901-8-14
NEBC: 00860424 Deschampsia flexuosa (Linnaeus) Trinius USA: Massachusetts West Falmouth E. F. Williams 1 1901-7-14
NEBC: 00764736 Dichanthelium clandestinum (Linnaeus) Gould USA: New Hampshire Alstead: Alstead E. F. Williams 1901-7-27
NEBC: 00764781 Dichanthelium clandestinum (Linnaeus) Gould USA: Massachusetts Sudbury: East Sudbury E. F. Williams 1901-7-7
NEBC: 00339287 Dichanthelium depauperatum (Muhlenberg) Gould USA: Massachusetts Blue Hills Reservation E. F. Williams 1901-7-4
GH: 01151177 Dichanthelium linearifolium (Scribner) Gould USA: Massachusetts Sudbury: East Sudbury E. F. Williams 1901-7-7
GH: 01151178 Dichanthelium linearifolium (Scribner) Gould USA: Massachusetts Williamstown: Williamstown E. F. Williams 1901-6-17
NEBC: 01151241 Dichanthelium oligosanthes scribnerianum (Nash) Freckmann & Lelong USA: Massachusetts Sudbury: Sudbury E. F. Williams 1901-7-7
GH: 00875585 Dichanthelium oligosanthes scribnerianum (Nash) Freckmann & Lelong USA: Connecticut Stratford: Stratford E. F. Williams 1 1901-6-9
GH: 00609420 Digitaria ischaemum (Schreber) Muhlenberg USA: Maine Fort Fairfield: Fort Fairfield E. F. Williams 1901-8-15
NEBC: 00853719 Distichlis spicata (Linnaeus) Greene USA: New Hampshire Rye: Rye E. F. Williams 1901-9-19
NEBC: 01151400 Echinochloa walteri (Pursh) A. Heller USA: Massachusetts Scituate: Scituate E. F. Williams 1901-9-8
GH: 00817109 Elymus canadensis Linnaeus USA: Connecticut Windsor: Windsor E. F. Williams 1901-8-1
GH: 00853813 Eragrostis spectabilis (Pursh) Steudel USA: New Hampshire Alstead: Alstead E. F. Williams 1901-7-27
GH: 00860579 Festuca subverticillata (Persoon) E. B. Alexeev USA: Massachusetts Mount Greylock E. F. Williams 1 1901-6-16
GH: 00860597 Festuca subverticillata (Persoon) E. B. Alexeev USA: Connecticut Stratford: Stratford E. F. Williams 2 1901-6-9
NEBC: 00613273 Hordeum jubatum Linnaeus USA: New Hampshire Hampton Falls: Hampton Falls E. F. Williams 1901-9-22
GH: 00853859 Muhlenbergia frondosa (Poiret) Fernald USA: Maine Madawaska: Madawaska E. F. Williams 1901-8-12
GH: 00864683 Muhlenbergia glomerata (Willdenow) Trinius USA: New Hampshire Hampton: Hampton E. F. Williams 1 1901-9-22
GH: 00864783 Muhlenbergia mexicana (Linnaeus) Trinius USA: Maine Fort Kent: Fort Kent E. F. Williams 1901-8-10
GH: 00855845 Muhlenbergia richardsonis (Trinius) Rydberg USA: Maine Fort Kent: Fort Kent E. F. Williams 1901-8-10
NEBC: 00855846 Muhlenbergia richardsonis (Trinius) Rydberg USA: Maine Fort Kent: Fort Kent E. F. Williams 1901-8-10
GH: 01151794 Panicum capillare occidentale Rydberg USA: New Hampshire Rye: Rye E. F. Williams 1901-9-19
NEBC: 00339287 Panicum depauperatum Muhlenberg USA: Massachusetts Blue Hills Reservation E. F. Williams 1901-7-4
NEBC: 00339287 Panicum depauperatum psilophyllum Fernald USA: Massachusetts Blue Hills Reservation E. F. Williams 1901-7-4
NEBC: 00855612 Paspalum setaceum muehlenbergii (Nash) D. Banks USA: New Hampshire Jaffrey: Jaffrey E. F. Williams 1901-8-31
NEBC: 00611869 Phalaris arundinacea Linnaeus USA: Massachusetts Dedham: Dedham E. F. Williams 1901-7-21
GH: 00583339 Phleum pratense Linnaeus USA: Maine Van Buren: Van Buren E. F. Williams 1901-8-13
NEBC: 00583401 Phleum pratense Linnaeus USA: New Hampshire Mount Washington E. F. Williams 1901-8-5
GH: 01149934 Poa alsodes A. Gray USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
GH: 01149954 Poa alsodes A. Gray USA: Connecticut Southington: Southington E. F. Williams 1901-5-30
NEBC: 00606216 Poa compressa Linnaeus USA: New Hampshire Mt. Washington E. F. Williams 1 1901-8-5
GH: 00579825 Poa compressa Linnaeus USA: Massachusetts Williamstown: Williamstown E. F. Williams 1901-6-18
NEBC: 01150334 Poa palustris Linnaeus USA: New Hampshire Mount Washington E. F. Williams 1901-8-5
NEBC: 01150451 Poa palustris Linnaeus USA: Massachusetts Dedham: Dedham E. F. Williams 1901-7-21
NEBC: 00704810 Poa palustris Linnaeus USA: Massachusetts Cape Cod E. F. Williams 1901-7-14
GH: 01148573 Poa palustris Linnaeus USA: Connecticut Hartford: Hartford E. F. Williams 1901-7-26
GH: 00614186 Setaria viridis (Linnaeus) P. Beauvois USA: Maine Fort Kent: Fort Kent E. F. Williams 1901-8-12
GH: 00614449 Sorghum bicolor (Linnaeus) Moench USA: Massachusetts Cataumet E. F. Williams 1901-9-15
GH: 00879284 Spartina alterniflora Loiseleur-Deslongchamps USA: New Hampshire Rye: Rye E. F. Williams 1901-9-19
NEBC: 01175117 Spartina pectinata Link USA: Massachusetts Bourne: Bourne E. F. Williams 1901-9-15
GH: 01182136 Sphenopholis intermedia Rydberg USA: Connecticut Stratford: Stratford E. F. Williams 1901-6-9
GH: 01182337 Torreyochloa pallida fernaldii (Hitchc.) Dore ex Koyama & Kawano USA: Massachusetts Sudbury: E. [East] Sudbury, Sudbury river ma... E. F. Williams 1901-7-7
GH: 00879600 Triplasis purpurea (Walter) Chapman USA: New Hampshire Rye: Rye E. F. Williams 1901-9-19
Polygalaceae GH: 00720704 Polygala sanguinea Linnaeus USA: New Hampshire Newcastle E. F. Williams 1901-9-19
NEBC: 00720705 Polygala sanguinea Linnaeus USA: New Hampshire Newcastle E. F. Williams 1901-9-19
NEBC: 00505966 Polygala verticillata Linnaeus USA: New Hampshire Walpole: Walpole E. F. Williams 1901-7-28
GH: 00505965 Polygala verticillata Linnaeus USA: New Hampshire Walpole: Walpole E. F. Williams 1901-7-28
Polygonaceae NEBC: 00736903 Antenoron virginianum (Linnaeus) Roberty & Vautier USA: New Hampshire Alstead: Alstead E. F. Williams 1901-7-27
GH: 00761975 Fagopyrum esculentum Moench USA: Maine Fort Fairfield: Fort Fairfield E. F. Williams 1 1901-8-16
NEBC: 00749418 Polygonum aviculare aviculare Linnaeus USA: Maine Fort Kent: Fort Kent E. F. Williams 1901-8-12
NEBC: 00749419 Polygonum aviculare aviculare Linnaeus USA: Maine Fort Kent: Fort Kent E. F. Williams 1901-8-12
NEBC: 00749735 Polygonum aviculare neglectum (Bess) Arcangeli USA: New Hampshire Hampton: Hampton E. F. Williams 1901-9-22
GH: 00645137 Polygonum careyi Olney USA: New Hampshire Peterborough: Peterborough E. F. Williams 1901-9-2
GH: 00630376 Polygonum coccineum Muhlenberg ex Willdenow USA: Massachusetts Bourne: Bourne E. F. Williams 1901-9-15
GH: 00751459 Polygonum convolvulus Linnaeus USA: New Hampshire Mount Washington E. F. Williams 1 1901-8-6
GH: 00751474 Polygonum convolvulus Linnaeus USA: New Hampshire Newcastle E. F. Williams 1901-9-19
GH: 00731851 Polygonum lapathifolium Linnaeus USA: Maine Fort Kent: Fort Kent E. F. Williams 1901-8-12
GH: 00731856 Polygonum lapathifolium Linnaeus USA: Maine Van Buren: Van Buren E. F. Williams 1901-8-14
NEBC: 00552532 Polygonum persicaria Linnaeus USA: New Hampshire Monadnock E. F. Williams 1901-9-2
NEBC: 00736152 Polygonum prolificum (Small) B. L. Robinson USA: New Hampshire Hampton Falls: Hampton Falls E. F. Williams 1901-9-22
NEBC: 00736156 Polygonum prolificum (Small) B. L. Robinson USA: New Hampshire Rye: Rye E. F. Williams 1901-9-19
NEBC: 00729002 Polygonum punctatum confertiflorum (Meisner) Fassett USA: Massachusetts Scituate: Scituate E. F. Williams 1901-9-8
GH: 00736830 Polygonum scandens Linnaeus USA: New Hampshire Hampton: Hampton E. F. Williams 1901-9-22
NEBC: 00736903 Polygonum virginianum Linnaeus USA: New Hampshire Alstead: Alstead E. F. Williams 1901-7-27
Portulacaceae GH: 00675573 Claytonia caroliniana Michaux USA: Massachusetts Adams: Mt. Greylock E. F. Williams 1901-6-16
GH: 00759727 Portulaca oleracea Linnaeus USA: New Hampshire Hampton: Hampton E. F. Williams 1901-9-22
Pteridaceae GH: 00216858 Adiantum pedatum Linnaeus USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
Ranunculaceae GH: 01034473 Actaea rubra (Aiton) Willdenow USA: Massachusetts Adams: Adams E. F. Williams 1901-6-16
NEBC: 01034523 Anemone canadensis Linnaeus USA: Maine Fort Kent: Fort Kent E. F. Williams 1901-8-10
NEBC: 01034612 Anemone cylindrica A. Gray USA: New Hampshire Alstead: Alstead E. F. Williams 1901-7-28
NEBC: 00753713 Anemone virginiana Linnaeus USA: New Hampshire Alstead: Alstead E. F. Williams 1901-7-28
GH: 00485300 Aquilegia canadensis Linnaeus USA: Maine South Chesterville E. F. Williams 1901
GH: 01657983 Coptis trifolia (Linnaeus) Salisbury Canada: New Brunswick Woods south of Grand Falls village E. F. Williams 1901-8-14
NEBC: 00553607 Coptis trifolia (Linnaeus) Salisbury USA: Massachusetts Westwood: Westwood E. F. Williams 1901-7-21
NEBC: 01565072 Halerpestes cymbalaria (Pursh) Green USA: New Hampshire Hampton: [no additional data] E. F. Williams 1901-9-22
GH: 00485521 Ranunculus acris Linnaeus USA: Maine Madawaska: Madawaska E. F. Williams 1901-8-12
GH: 00485604 Ranunculus acris Linnaeus USA: New Hampshire Mt. Washington E. F. Williams 1901-8-5
GH: 00485605 Ranunculus acris Linnaeus USA: New Hampshire Mt. Washington E. F. Williams 1901-8-5
NEBC: 00485639 Ranunculus acris Linnaeus USA: New Hampshire Peterborough: Summit--Pack Monadnock [Mounta... E. F. Williams 1901-9-2
GH: 00692607 Ranunculus hispidus caricetorum (Greene) T. Duncan USA: Massachusetts Williamstown: Williamstown E. F. Williams 1901-6-17
NEBC: 00719259 Ranunculus recurvatus Poiret USA: Massachusetts Mount Greylock E. F. Williams 1 1901-6-16
GH: 01031058 Thalictrum pubescens Pursh USA: Maine Cumberland: Cumberland E. F. Williams 1901-8-8
GH: 00832670 Thalictrum thalictroides (Linnaeus) A. J. Eames & B. Boivin USA: Connecticut Stratford: Stratford E. F. Williams 1901-6-9
Rhamnaceae NEBC: 00643632 Ceanothus americanus Linnaeus USA: New Hampshire Walpole: Walpole E. F. Williams 1901-7-28
Rosaceae GH: 00661618 Amelanchier bartramiana (Tausch) M. Roemer USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
NEBC: 00423399 Amelanchier oblongifolia micropetala B. L. Robinson USA: Massachusetts Milton: Summit of Blue Hill, Blue Hills Rese... E. F. Williams 1901-5-12
NEBC: 00423399 Amelanchier sp. USA: Massachusetts Milton: Summit of Blue Hill, Blue Hills Rese... E. F. Williams 1901-5-12
NEBC: 00423399 Amelanchier spicata (Lamarck) K. Koch USA: Massachusetts Milton: Summit of Blue Hill, Blue Hills Rese... E. F. Williams 1901-5-12
GH: 01758693 Crataegus chrysocarpa Ashe Canada: New Brunswick Gorge of the Aroostook River E. F. Williams 1901-8-17
GH: 00694298 Crataegus keepii Sargent USA: Maine Biddeford: Biddeford E. F. Williams 1901-7-23
GH: 00768245 Crataegus macracantha Loddiges ex Loudon USA: Connecticut Stratford: Stratford E. F. Williams 4a 1901-6-1
NEBC: 00703363 Fragaria vesca Linnaeus USA: Massachusetts Woburn: Woburn, Shaker Glen E. F. Williams 1901-5-5
GH: 00524145 Fragaria vesca Linnaeus USA: Massachusetts E. F. Williams 1 1901-6-16
GH: 00524170 Fragaria vesca americana Porter USA: Connecticut Southington: Southington E. F. Williams 1 1901-5-30
GH: 00659975 Fragaria virginiana Miller USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
GH: 00688615 Geum aleppicum strictum Fernald USA: Maine Hamlin: Hamlin E. F. Williams 1901-8-14
GH: 00565712 Geum rivale Linnaeus USA: Massachusetts Williamstown: Williamstown E. F. Williams 1901-6-15
GH: 00710617 Potentilla canadensis Linnaeus USA: New Hampshire Alstead: Alstead E. F. Williams 1901-7-28
GH: 00561107 Potentilla norvegica Linnaeus USA: New Hampshire Mt. Washington E. F. Williams 1901-8-5
NEBC: 00561108 Potentilla norvegica Linnaeus USA: New Hampshire Mt. Washington E. F. Williams 1901-8-5
NEBC: 00653095 Potentilla simplex Michaux USA: New Hampshire Alstead: Alstead E. F. Williams 1901-7-27
NEBC: 00653096 Potentilla simplex Michaux USA: New Hampshire Alstead: Alstead E. F. Williams 1901-7-27
GH: 00644585 Potentilla simplex Michaux USA: Connecticut Stratford: Stratford E. F. Williams 1901-6-9
NEBC: 00632906 Prunus nigra Aiton USA: New Hampshire Alstead: Alstead E. F. Williams 1 1901-7-28
NEBC: 00632910 Prunus nigra Aiton USA: New Hampshire Alstead: Alstead E. F. Williams 1 1901-7-28
GH: 00743171 Prunus pensylvanica Linnaeus f. USA: Massachusetts Mount Greylock E. F. Williams 1 1901-6-16
GH: 00743174 Prunus pumila depressa (Pursh) Gleason USA: Maine Wassataquoik River E. F. Williams 1901-7-17
GH: 00738253 Prunus virginiana Linnaeus USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
NEBC: 00423434 Pyrus arbutifolia atropurpurea (Britton) B. L. Robinson USA: Massachusetts Summit of Blue Hill, Blue Hills Reservation ... E. F. Williams 1901-7-4
GH: 00062263 Rubus allegheniensis Porter USA: New Hampshire Alstead: Hill pasture E. F. Williams 1901-7-28
GH: 00062264 Rubus allegheniensis Porter USA: New Hampshire Alstead: Hill pasture E. F. Williams 1901-7-28
GH: 00703950 Rubus idaeus strigosus (Michaux) Maximowicz USA: New Hampshire Mount Washington E. F. Williams 1901-8-5
GH: 00062263 Rubus nigrobaccus calycosus Fernald USA: New Hampshire Alstead: Hill pasture E. F. Williams 1901-7-28
GH: 00062264 Rubus nigrobaccus calycosus Fernald USA: New Hampshire Alstead: Hill pasture E. F. Williams 1901-7-28
GH: 00641531 Rubus pubescens Rafinesque USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
NEBC: 00524972 Sanguisorba canadensis Linnaeus USA: New Hampshire Hampton: Hampton E. F. Williams 1901-9-22
GH: 00747143 Sorbus decora (Sargent) C. K. Schneider USA: Massachusetts Mount Greylock E. F. Williams 1 1901-6-16
NEBC: 00747144 Sorbus decora (Sargent) C. K. Schneider USA: Massachusetts Williamstown: Williamstown E. F. Williams 1901-6-16
GH: 00710095 Spiraea tomentosa Linnaeus USA: New Hampshire Alstead: Alstead E. F. Williams 1 1901-7-28
NEBC: 00710112 Spiraea tomentosa Linnaeus USA: New Hampshire Pack Monadnock Mountain E. F. Williams 1901-9-2
Rubiaceae GH: 00614386 Cephalanthus occidentalis Linnaeus USA: New Hampshire Walpole: Walpole E. F. Williams 1901-7-28
GH: 00698074 Galium palustre Linnaeus USA: Massachusetts Williamstown: Williamstown E. F. Williams 1 1901-6-17
GH: 00820001 Galium trifidum Linnaeus USA: Maine Fort Fairfield: Fort Fairfield E. F. Williams 1901-8-18
NEBC: 00503342 Galium triflorum Michaux USA: New Hampshire Walpole: Walpole E. F. Williams 1901-7-28
GH: 00503480 Galium triflorum Michaux USA: Massachusetts Mt. Greylock E. F. Williams 1901-6-16
Salicaceae NEBC: 00771770 Populus jackii Sargent USA: New Hampshire Walpole: Walpole E. F. Williams 1901-7-28
GH: 00653222 Salix bebbiana Sargent USA: Massachusetts Mount Greylock E. F. Williams 1 1901-6-16
GH: 00441699 Salix eriocephala Michaux USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
NEBC: 00769566 Salix lucida Muhlenberg USA: Maine Fort Kent: Fort Kent E. F. Williams 1901-8-11
GH: 00523532 Salix purpurea Linnaeus USA: Massachusetts Barnstable: Barnstable E. F. Williams 1901-9-15
GH: 00641183 Salix sericea Marshall USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
Sarraceniaceae NEBC: 00231068 Sarracenia purpurea Linnaeus USA: Maine Crystal: Caribou bog E. F. Williams 1901-8-19
GH: 00568643 Sarracenia purpurea Linnaeus USA: Maine Crystal: Crystal E. F. Williams 1901-8-19
Saxifragaceae GH: 01008302 Heuchera americana Linnaeus USA: Connecticut Stratford: Stratford E. F. Williams 1901-6-9
NEBC: 01008303 Heuchera americana Linnaeus USA: Connecticut Stratford: Stratford E. F. Williams 1901-6-9
GH: 01028089 Mitella diphylla Linnaeus USA: Massachusetts Mount Greylock E. F. Williams 1 1901-6-16
NEBC: 01028104 Mitella diphylla Linnaeus USA: Connecticut Southington: Southington E. F. Williams 2 1901-5-30
GH: 01028142 Mitella nuda Linnaeus USA: Maine Van Buren: Van Buren E. F. Williams 2 1901-8-13
GH: 00665335 Ribes glandulosum Grauer USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
GH: 00730941 Ribes lacustre Poiret USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
GH: 00563202 Saxifraga pensylvanica Linnaeus USA: Massachusetts Williamstown: Williamstown E. F. Williams 1901-6-15
GH: 00575142 Saxifraga virginiensis Michaux USA: Massachusetts Mt. Greylock E. F. Williams 1901-6-16
Scrophulariaceae GH: 00686830 Lindernia dubia (Linnaeus) Pennell USA: New Hampshire Walpole: Walpole E. F. Williams 1901-7-28
GH: 00668925 Mimulus ringens Linnaeus USA: New Hampshire Walpole: Walpole E. F. Williams 1901-7-28
NEBC: 00630350 Scrophularia lanceolata Pursh USA: New Hampshire Alstead: Alstead E. F. Williams 1901-7-27
GH: 00686739 Scrophularia lanceolata Pursh USA: Connecticut Stratford: Stratford E. F. Williams 1901-6-9
GH: 00630587 Scrophularia marilandica Linnaeus USA: Connecticut Canton: Canton E. F. Williams 1901-8-21
Smilacaceae NEBC: 01030284 Smilax glauca Walter USA: Massachusetts Westwood: Westwood E. F. Williams 1901-10-6
Solanaceae GH: 00630144 Solanum emulans Rafinesque USA: New Hampshire Walpole: Walpole, on the Conn. [Connecticut ... E. F. Williams 1901-7-28
Thelypteridaceae NEBC: 00342648 Parathelypteris noveboracensis (Linnaeus) Ching USA: Massachusetts Blue Hills Reservation E. F. Williams 1901-7-4
NEBC: 00342648 Thelypteris noveboracensis (Linnaeus) Nieuwland USA: Massachusetts Blue Hills Reservation E. F. Williams 1901-7-4
NEBC: 00652153 Thelypteris noveboracensis (Linnaeus) Nieuwland USA: Massachusetts Westwood: Westwood E. F. Williams 1901-7-21
GH: 00652200 Thelypteris noveboracensis (Linnaeus) Nieuwland USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
Thymelaeaceae NEBC: 00754318 Dirca palustris Linnaeus USA: Connecticut Southington: Southington E. F. Williams 1 1901-5-30
Trilliaceae GH: 00573246 Medeola virginiana Linnaeus USA: Massachusetts Lanesborough: Lanesborough E. F. Williams 1901-6-16
Ulmaceae GH: 00730358 Ulmus rubra Muhlenberg USA: New Hampshire Walpole: Walpole E. F. Williams 1901-7-28
Urticaceae GH: 00648002 Laportea canadensis (Linnaeus) Weddell USA: Maine Grand Isle: Grand Isle E. F. Williams 1901-8-12
NEBC: 00648064 Laportea canadensis (Linnaeus) Weddell USA: New Hampshire Alstead: Alstead E. F. Williams 1901-7-27
GH: 00648160 Laportea canadensis (Linnaeus) Weddell USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
Verbenaceae NEBC: 00716907 Verbena hastata Linnaeus USA: Maine Fort Fairfield: Fort Fairfield E. F. Williams 1901-8-16
GH: 00716988 Verbena hastata Linnaeus USA: New Hampshire Walpole: Walpole E. F. Williams 1901-7-28
GH: 00696287 Verbena hastata Linnaeus USA: Massachusetts Winchester: Winchester E. F. Williams 1 1901-10-20
GH: 00696288 Verbena hastata Linnaeus USA: Massachusetts Dedham: Dedham E. F. Williams 2 1901-10-6
GH: 00668773 Verbena urticifolia Linnaeus USA: New Hampshire Walpole: Walpole E. F. Williams 1901-7-28
Violaceae GH: 00771612 Viola arvensis Murray USA: Massachusetts Milton: Milton E. F. Williams 1901-5-12
GH: 00773275 Viola canadensis Linnaeus USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
NEBC: 00504364 Viola cucullata Aiton USA: Massachusetts Mt. Greylock E. F. Williams 1901-6-16
GH: 00504494 Viola cucullata Aiton USA: New Hampshire Newcastle Island E. F. Williams 1901-9-19
GH: 00721115 Viola pubescens Aiton USA: Massachusetts Mount Greylock E. F. Williams 1901-6-16
GH: 00649465 Viola sororia Willdenow USA: Massachusetts Mount Greylock E. F. Williams 1 1901-6-16
GH: 00684613 Viola subsinuata (Greene) Greene (pro sp.) USA: Connecticut Southington: Southington E. F. Williams 1901-5-30