Aceraceae GH: 00752818 Acer negundo violaceum (G. Kirchner) H. Jaeger USA: Rhode Island Woonsocket: Woonsocket E. F. Williams 1910-10-2
GH: 00772678 Acer pensylvanicum Linnaeus USA: Massachusetts Petersham: Petersham E. F. Williams 1910-6-3
GH: 00772874 Acer rubrum Linnaeus USA: Maine Mount Desert (Hancock County): Northeast Har... E. F. Williams 1910-8-4
GH: 00677140 Acer rubrum Linnaeus USA: Massachusetts Milton: Milton E. F. Williams 1910-4-2
GH: 00631089 Acer saccharinum Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-7
Adiantaceae GH: 00681499 Pellaea atropurpurea (Linnaeus) Link USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2
Alismataceae GH: 01032357 Alisma triviale Pursh USA: Vermont Norwich: Norwich E. F. Williams 1910-7-11
GH: 01080304 Sagittaria cuneata E. Sheldon USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-12
GH: 01080920 Sagittaria rigida Pursh USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-12
Anacardiaceae GH: 00690878 Rhus glabra Linnaeus USA: New Hampshire Norwich E. F. Williams 1910-7-8
Apiaceae GH: 00483665 Cicuta bulbifera Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-12
GH: 01050833 Cicuta maculata Linnaeus USA: Vermont Norwich: Norwich E. F. Williams 1910-7-8
GH: 01051001 Conioselinum chinense Britton, Stearn & Poggenburg USA: Maine Mount Desert Island E. F. Williams 1910-8-7
GH: 00523861 Conium maculatum Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-11
GH: 00447874 Daucus carota Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-9
GH: 01051327 Heracleum maximum W. Bartram USA: Massachusetts Deerfield: Deerfield E. F. Williams 1910-6-17
GH: 00266457 Heracleum sphondylium Linnaeus USA: Massachusetts Boston: Back Bay E. F. Williams 1910-8-27
GH: 00266457 Heracleum wilhelmsii Fischer & C. A. Meyer USA: Massachusetts Boston: Back Bay E. F. Williams 1910-8-27
GH: 01051613 Hydrocotyle umbellata Michaux USA: Massachusetts Plymouth: Plymouth E. F. Williams 1910-9-11
GH: 00673105 Panax quinquefolius Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1910-7-28
GH: 01025368 Sanicula odorata (Raf.) K.M. Pryer & L.R. Phillippe USA: Vermont Norwich: Norwich E. F. Williams 1910-7-8
Araliaceae GH: 00448354 Aralia nudicaulis Linnaeus USA: Maine Mount Desert (Hancock County): Northeast Har... E. F. Williams 1910-8-5
GH: 00282968 Aralia racemosa Linnaeus USA: Rhode Island Lincoln: E. F. Williams 1910-10-2
Aristolochiaceae GH: 00642319 Asarum canadense Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-6
Asclepiadaceae GH: 00572667 Asclepias incarnata Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-7
GH: 00572694 Asclepias incarnata Linnaeus USA: Vermont Norwich: Norwich E. F. Williams 1910-7-11
Aspidiaceae GH: 00695562 Polystichum acrostichoides (Michaux) Schott USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2
Aspleniaceae NEBC: 00701148 Asplenium trichomanes Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-7
Asteraceae GH: 00566168 Arctium lappa Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-13
GH: 00566194 Arctium lappa Linnaeus USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2
GH: 00531510 Artemisia absinthium Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-17
GH: 00531511 Artemisia absinthium Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1910-7-23
NEBC: 00531676 Artemisia pontica Linnaeus USA: Maine Portland: Portland E. F. Williams 1910-8-3
GH: 01021564 Baccharis halimifolia Linnaeus USA: Massachusetts Boston: Boston, in Back Bay lands E. F. Williams 1910-9-17
NEBC: 01038098 Bidens vulgata Greene USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2
GH: 00718130 Cota tinctoria (Linnaeus) J. Gay USA: Massachusetts Plymouth: Plymouth E. F. Williams 1910-9-11
GH: 01047467 Cyanus segetum Hill USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-13
GH: 00564029 Erigeron annuus (Linnaeus) Persoon USA: Maine Northeast Harbor E. F. Williams 1910-8-5
GH: 00535880 Erigeron philadelphicus Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-6
GH: 00535882 Erigeron philadelphicus Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1910-7-20
GH: 00535947 Erigeron philadelphicus Linnaeus USA: Massachusetts Deerfield: Deerfield E. F. Williams 1910-6-17
GH: 00535948 Erigeron philadelphicus Linnaeus USA: Massachusetts Greenfield: Greenfield E. F. Williams 1910-6-17
GH: 00753431 Eupatorium perfoliatum Linnaeus USA: Maine Mount Desert (Hancock County): Mount Desert E. F. Williams 1910-8-4
GH: 00535393 Galinsoga quadriradiata Ruiz & Pavon USA: Maine Northeast Harbor E. F. Williams 1910-8-5
GH: 01008160 Helianthus luxurians E. Watson USA: Vermont Norwich: Norwich E. F. Williams 1910-7-8
GH: 00535664 Helianthus tuberosus Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1910-7-31
GH: 00535790 Heliopsis helianthoides scabra (Dunal) Fernald USA: New Hampshire Warren: Warren E. F. Williams 1910-7-28
GH: 00833352 Hieracium kalmii Linnaeus USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2
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: 00718328 Iva xanthifolia Nuttall USA: Massachusetts Cambridge: Cambridge, on Brookline Street E. F. Williams 1910-8-20
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: 00725404 Lactuca hirsuta Muhlenberg ex Nuttall USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-7
GH: 00725413 Lactuca hirsuta Muhlenberg ex Nuttall USA: Vermont Norwich: Norwich E. F. Williams 1910-7-15
GH: 00718221 Matricaria discoidea de Candolle USA: Maine Portland: Portland E. F. Williams 1910-8-3
GH: 00576036 Onopordum acanthium Linnaeus USA: Rhode Island Lincoln: Lincoln, Lime Rock E. F. Williams 1910-10-2
GH: 00011325 Pluchea camphorata (Linnaeus) de Candolle USA: Massachusetts Boston: Back Bay E. F. Williams 1910-9-17
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
GH: 01066408 Pseudognaphalium macounii (Greene) Kartesz USA: New Hampshire Warren: Warren E. F. Williams 1910-7-31
GH: 01054013 Solidago altissima Linnaeus USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2
GH: 01054383 Solidago canadensis Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1910-7-28
GH: 01062893 Solidago flexicaulis Linnaeus USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2
GH: 01064514 Solidago sempervirens Linnaeus USA: Maine Mount Desert (Hancock County): Mount Desert E. F. Williams 1910-8-6
GH: 00685169 Solidago ulmifolia Muhlenberg USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2
GH: 00626276 Sonchus arvensis Linnaeus USA: Maine Portland: Portland E. F. Williams 1910-8-3
NEBC: 00637263 Sonchus arvensis Linnaeus USA: Massachusetts Plymouth: Plymouth E. F. Williams 1910-9-11
GH: 00637420 Sonchus asper (Linnaeus) Hill USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-9
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
GH: 00719680 Symphyotrichum novae-angliae (Linnaeus) G. L. Nesom USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2
GH: 00655090 Tanacetum vulgare crispum (Linnaeus) Fernald USA: New Hampshire Piermont: Piermont E. F. Williams 1910-7-26
GH: 00577103 Tussilago farfara Linnaeus USA: Massachusetts Stockbridge: Stockbridge E. F. Williams 1910-4-3
Athyriaceae GH: 00551388 Cystopteris bulbifera (Linnaeus) Bernhardi USA: Massachusetts Colrain: Colrain E. F. Williams 1910-6-18
NEBC: 00551694 Deparia acrostichoides (Swartz) M. Kato USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2
NEBC: 00551849 Matteuccia struthiopteris (Linnaeus) Todaro USA: Massachusetts South Lawrence E. F. Williams 1910-6-3
Betulaceae GH: 00567819 Betula pendula Roth USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-11
NEBC: 00746019 Corylus cornuta Marshall USA: Massachusetts Mount Washington: Washington E. F. Williams 1910-4-6
Bignoniaceae GH: 00685218 Catalpa bignonioides Walter USA: Massachusetts Boston: Boston, in Back bay E. F. Williams 1910-8-27
Boraginaceae GH: 00638519 Hackelia virginiana (Linnaeus) I. M. Johnston USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-14
NEBC: 00735052 Heliotropium amplexicaule Vahl USA: Massachusetts Cambridge: Cambridge, Huron Avenue E. F. Williams 1910-9-3
GH: 01019819 Lithospermum officinale Linnaeus USA: Massachusetts Colrain: Colrain, Valley of the Green River E. F. Williams 1910-6-18
GH: 00577177 Myosotis scorpioides Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-14
Brassicaceae GH: 00558061 Armoracia rusticana G. Gaertner, B. Meyer & Scherbius USA: New Hampshire Warren: Warren E. F. Williams 1910-7-31
GH: 00558072 Armoracia rusticana G. Gaertner, B. Meyer & Scherbius USA: Vermont Norwich: Norwich E. F. Williams 1910-7-8
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: 01023300 Boechera stricta (Graham) Shehbaz USA: Massachusetts Greenfield Town E. F. Williams 1910-6-17
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: 00593374 Brassica rapa Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-6
GH: 00593401 Brassica rapa Linnaeus USA: Vermont Norwich: Norwich E. F. Williams 1910-7-11
GH: 00592742 Camelina microcarpa Andrzejowski ex de Candolle USA: Massachusetts Greenfield: Greenfield E. F. Williams 1910-6-18
GH: 00606931 Hesperis matronalis Linnaeus USA: Massachusetts Cambridge: Cambridge, 12 Reservoir St. E. F. Williams 1910-8-21
GH: 00582436 Raphanus raphanistrum Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-11
GH: 00582453 Raphanus raphanistrum Linnaeus USA: Vermont Norwich: Norwich E. F. Williams 1910-7-11
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: 00735893 Rorippa palustris (Linnaeus) Besser USA: Maine Hanover: Hanover E. F. Williams 1910-7-7
GH: 00735972 Rorippa palustris (Linnaeus) Besser USA: New Hampshire Warren: Warren E. F. Williams 1910-7-23
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
GH: 00612221 Sinapis arvensis Linnaeus USA: Maine Somesville E. F. Williams 1910-8-6
GH: 00612255 Sinapis arvensis Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-11
GH: 00582631 Sisymbrium altissimum Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-13
Caesalpiniaceae GH: 01676011 Gleditsia triacanthos Linnaeus USA: Massachusetts Boston: Back bay lands E. F. Williams 1910-9-17
Campanulaceae NEBC: 00820532 Campanula latifolia Linnaeus USA: Vermont Norwich: Norwich E. F. Williams 1910-7-8
GH: 00633228 Campanula rapunculoides Linnaeus USA: Vermont Norwich: Norwich E. F. Williams 1910-7-11
GH: 00820491 Campanula rotundifolia Linnaeus USA: Massachusetts Greenfield: Greenfield E. F. Williams 1910-6-17
Cannabaceae GH: 00586098 Humulus lupuloides (E. Small) Tembrock USA: New Hampshire Warren: Warren E. F. Williams 1910-7-31
GH: 00586096 Humulus lupulus Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-13
GH: 00586098 Humulus lupulus Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1910-7-31
GH: 00586098 Humulus lupulus lupuloides E. Small USA: New Hampshire Warren: Warren E. F. Williams 1910-7-31
Caprifoliaceae NEBC: 00551153 Lonicera bella Zabel USA: Massachusetts Boston: Boston, Back Bay E. F. Williams 1910-8-27
NEBC: 00551154 Lonicera bella Zabel USA: Massachusetts Boston: Boston, Back Bay E. F. Williams 1910-9-17
NEBC: 00682567 Lonicera canadensis Bartram ex Marsh. USA: Massachusetts Lenox: Lenox E. F. Williams 1910-4-7
GH: 00682610 Lonicera dioica Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-17
GH: 00702013 Sambucus racemosa Linnaeus USA: Massachusetts Lenox: Lenox E. F. Williams 1910-4-6
GH: 00702126 Viburnum acerifolium Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1910-7-21
Caryophyllaceae GH: 00581112 Agrostemma githago Linnaeus USA: Maine Portland: Portland E. F. Williams 1910-8-3
GH: 00581133 Agrostemma githago Linnaeus USA: Vermont Norwich: Norwich E. F. Williams 1910-7-8
GH: 00820281 Atocion armeria (Linnaeus) Rafinesque USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-13
GH: 00525430 Lychnis chalcedonica Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-6
GH: 00689553 Minuartia michauxii Farwell USA: Massachusetts Greenfield Town E. F. Williams 1910-6-17
NEBC: 00612757 Sagina procumbens Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-11
GH: 00612972 Saponaria officinalis Linnaeus USA: Maine Portland: Portland E. F. Williams 1910-8-3
GH: 00612983 Saponaria officinalis Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-14
GH: 00602676 Silene dioica (Linnaeus) Clairville USA: Massachusetts Boston: Boston, Back Bay E. F. Williams 1910-9-17
GH: 00534068 Silene noctiflora Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-9
Chenopodiaceae GH: 00561513 Chenopodium album Linnaeus USA: New Hampshire Woodsville E. F. Williams 1910-7-19
GH: 00754726 Salicornia depressa Standley USA: Maine Cranberry Isles: Cranberry Isles E. F. Williams 1910-8-8
GH: 00754913 Salicornia maritima Wolff & Jefferies USA: Maine Cranberry Isles: Cranberry Isles E. F. Williams 1910-8-8
GH: 00643931 Spinacia oleracea Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1910-7-28
GH: 00629005 Suaeda calceoliformis (Hooker) Moquin-Tandon USA: Maine Cranberry Isles: Cranberry Isles E. F. Williams 1910-8-8
GH: 00660672 Suaeda maritima (Linnaeus) Dumortier USA: Maine Cranberry Isles: Cranberry Isles E. F. Williams 1910-8-8
NEBC: 00660677 Suaeda maritima (Linnaeus) Dumortier USA: Maine Mount Desert Island: Mount Desert Island E. F. Williams 1910-8-6
Cistaceae NEBC: 00573673 Lechea intermedia Leggett ex Britton USA: New Hampshire Wentworth: Wentworth E. F. Williams 1910-7-26
Commelinaceae GH: 00567768 Commelina communis Linnaeus USA: Massachusetts Cambridge: Cambridge, on Huron Ave. E. F. Williams 1910-9-3
Convolvulaceae GH: 00765057 Calystegia sepium appalachiana Brummitt USA: Vermont Norwich: Norwich E. F. Williams 1910-7-15
GH: 00633889 Ipomoea purpurea (Linnaeus) Roth USA: Massachusetts Cambridge: Cambridge, Huron Ave. E. F. Williams 1910-9-19
Cornaceae GH: 00760780 Cornus obliqua Rafinesque USA: New Hampshire Lebanon: Lebanon E. F. Williams 1910-7-11
GH: 00502553 Cornus rugosa Lamarck USA: New Hampshire Warren: Warren E. F. Williams 1910-7-21
GH: 00765514 Cornus stolonifera Michaux USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-13
GH: 00633926 Cornus stolonifera Michaux USA: Massachusetts Boston: Boston, Ipswich Street E. F. Williams 1910-8-20
Cucurbitaceae GH: 00744137 Cucurbita pepo Linnaeus USA: Maine Portland: Portland E. F. Williams 1910-8-3
NEBC: 00744143 Cucurbita pepo Linnaeus USA: Massachusetts Cambridge: Cambridge, on Huron Avenue E. F. Williams 1910-9-20
NEBC: 00744144 Cucurbita pepo Linnaeus USA: Massachusetts Cambridge: Cambridge, on Huron Ave. E. F. Williams 1910-9-20
NEBC: 00744145 Cucurbita pepo Linnaeus USA: Massachusetts Cambridge: Cambridge, Huron Avenue E. F. Williams 1910-9-12
GH: 00552880 Echinocystis lobata (Michaux) Torrey & A. Gray USA: Maine Mount Desert Island E. F. Williams 1910-8-4
GH: 00552930 Echinocystis lobata (Michaux) Torrey & A. Gray USA: Vermont Norwich: Norwich E. F. Williams 1910-7-11
GH: 01078976 Sicyos angulatus Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-9
Cyperaceae GH: 00229069 Carex debilis rudgei L. H. Bailey USA: New Hampshire Hanover: Faculty Pond E. F. Williams 1910-7-18
GH: 00229532 Carex deweyana deweyana USA: New Hampshire Hanover: By Mink Brook at the Basalt like le... E. F. Williams 1910-7-17
GH: 00229762 Carex digitalis digitalis USA: New Hampshire Hanover: Bank of Connecticut River E. F. Williams 1910-7-14
GH: 00232612 Carex echinata echinata USA: New Hampshire Wentworth: Lower Baker Pond E. F. Williams 1910-7-26
GH: 00241061 Carex folliculata Linnaeus USA: Maine Mount Desert (Hancock County): Northeast Har... E. F. Williams 1910-8-7
NEBC: 00869182 Carex lupulina Muhlenberg ex Willdenow USA: New Hampshire Wentworth: Wentworth E. F. Williams 1910-7-26
GH: 00895495 Carex normalis Mackenzie USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-9
GH: 01161428 Carex plantaginea Lamarck USA: Massachusetts Lenox: Lenox E. F. Williams 1910-4-6
GH: 01161801 Carex projecta Mackenzie USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-14
NEBC: 01161803 Carex projecta Mackenzie USA: New Hampshire Warren: Warren E. F. Williams 1910-7-20
GH: 00775868 Carex sparganioides Muhlenberg ex Willdenow USA: Massachusetts Colrain: Colrain E. F. Williams 1910-6-18
NEBC: 01029956 Carex swanii (Fernald) Mackenzie USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-18
GH: 01059262 Carex tenera Dewey USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-14
GH: 01058592 Carex vesicaria Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-14
GH: 01043271 Carex vulpinoidea Michaux USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-6
NEBC: 01043274 Carex vulpinoidea Michaux USA: New Hampshire Warren: Warren E. F. Williams 1910-7-25
GH: 01042135 Cladium mariscoides (Muhlenberg) Torrey USA: New Hampshire Wentworth: Wentworth E. F. Williams 1910-7-26
GH: 01061834 Eleocharis acicularis (Linnaeus) Roemer & Schultes USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-12
NEBC: 00714184 Eleocharis obtusa (Willdenow) Schultes USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-18
GH: 00766999 Eriophorum virginicum Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1910-7-28
GH: 01043070 Eriophorum viridicarinatum (Engelmann) Fernald USA: New Hampshire Warren: Warren E. F. Williams 1910-7-28
GH: 00894534 Scirpus atrocinctus Fernald USA: New Hampshire Warren: Warren E. F. Williams 1910-7-21
GH: 01160150 Scirpus cyperinus (Linnaeus) Kunth USA: New Hampshire Warren: Warren E. F. Williams 1910-7-21
NEBC: 01160151 Scirpus cyperinus (Linnaeus) Kunth USA: New Hampshire Wentworth: Wentworth E. F. Williams 1910-7-26
GH: 01160487 Scirpus expansus Fernald USA: New Hampshire Warren: Warren E. F. Williams 1910-7-26
NEBC: 01160488 Scirpus expansus Fernald USA: New Hampshire Warren: Warren E. F. Williams 1910-7-20
GH: 00892194 Scirpus hattorianus Makino USA: New Hampshire Warren: Warren E. F. Williams 1910-7-29
NEBC: 00808045 Scirpus maritimus ük. (A. Nelson) Kükenthal USA: Maine Great Cranberry Island E. F. Williams 1910-8-8
NEBC: 00808048 Scirpus maritimus ük. (A. Nelson) Kükenthal USA: Maine Mount Desert Island E. F. Williams 1910-8-5
GH: 00808275 Scirpus microcarpus J. Presl & C. Presl USA: New Hampshire Warren: Warren E. F. Williams 1910-7-20
GH: 01160890 Scirpus pedicellatus Fernald USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-7
GH: 01160893 Scirpus pedicellatus Fernald USA: New Hampshire Wentworth: Wentworth E. F. Williams 1910-7-26
Droseraceae GH: 00741751 Drosera intermedia Hayne USA: New Hampshire Wentworth: Wentworth E. F. Williams 1910-7-26
Dryopteridaceae NEBC: 00667216 Dryopteris boottii (Tuckerman) Underwood USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-17
NEBC: 00671124 Dryopteris cristata (Linnaeus) A. Gray USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-17
Dysphaniaceae GH: 00610452 Dysphania botrys (Linnaeus) Mosyakin & Clemants USA: Maine Portland: Portland E. F. Williams 1910-8-3
GH: 00610474 Dysphania botrys (Linnaeus) Mosyakin & Clemants USA: Massachusetts Plymouth: Plymouth E. F. Williams 1910-9-11
Equisetaceae NEBC: 00738892 Equisetum arvense Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-7
NEBC: 00674897 Equisetum hyemale affine (Engelmann) A. A. Eaton USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-7
NEBC: 00694730 Equisetum palustre Linnaeus USA: Vermont Norwich: Norwich E. F. Williams 1910-7-11
GH: 00706490 Equisetum scirpoides Michaux USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-18
GH: 00706500 Equisetum scirpoides Michaux USA: Massachusetts Colrain: Colrain E. F. Williams 1910-6-18
Ericaceae GH: 00517947 Epigaea repens Linnaeus USA: Massachusetts Lenox: Lenox E. F. Williams 1910-4-10
GH: 00061375 Pyrola chlorantha Swartz USA: New Hampshire Atwell Hill, Piermont E. F. Williams 1910-7-26
GH: 00061375 Pyrola chlorantha paucifolia Fernald USA: New Hampshire Atwell Hill, Piermont E. F. Williams 1910-7-26
Euphorbiaceae GH: 00699006 Chamaesyce maculata Gray USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-14
Fabaceae GH: 00580226 Amorpha fruticosa Linnaeus USA: Massachusetts Boston: Boston, Back Bay E. F. Williams 1910-9-17
GH: 00562431 Amphicarpaea bracteata comosa (Linnaeus) Fernald USA: Vermont Norwich: Norwich E. F. Williams 1910-7-12
NEBC: 00562445 Amphicarpaea bracteata comosa (Linnaeus) Fernald USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2
NEBC: 00879585 Anthyllis vulneraria Linnaeus USA: Connecticut Cromwell: Cromwell E. F. Williams 1910
GH: 00534642 Melilotus albus Medikus USA: Maine Portland: Portland E. F. Williams 1910-8-3
GH: 00534658 Melilotus albus Medikus USA: New Hampshire Warren: Warren E. F. Williams 1910-7-28
GH: 00578346 Robinia pseudoacacia Linnaeus USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2
GH: 00580283 Robinia pseudoacacia Linnaeus USA: Maine Somesville E. F. Williams 1910-8-6
GH: 00501566 Trifolium arvense Linnaeus USA: Vermont Norwich: Norwich E. F. Williams 1910-7-15
GH: 00586418 Trifolium campestre Schreber USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-11
GH: 00591721 Vicia hirsuta (Linnaeus) Gray USA: Massachusetts Somesville E. F. Williams 1910-8-6
Fagaceae GH: 00576983 Castanea dentata (Marshall) Borkhausen USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-17
GH: 00746237 Fagus grandifolia Ehrhart USA: Maine Mount Desert (Hancock County): Mount Desert E. F. Williams 1910-8-5
GH: 00727971 Quercus alba Linnaeus USA: New Hampshire West Lebanon E. F. Williams 1910-7-11
GH: 00676485 Quercus rubra Linnaeus USA: Maine Mount Desert (Hancock County): Mount Desert E. F. Williams 1910-8-6
Gentianaceae GH: 00726547 Gentiana clausa Rafinesque USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-9
Geraniaceae NEBC: 01068446 Geranium robertianum Linnaeus USA: Maine Mount Desert Island E. F. Williams 1910-8-6
Hypericaceae GH: 00715399 Hypericum ellipticum Hooker USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2
GH: 00765218 Hypericum perforatum Linnaeus USA: Maine Mount Desert Island: Mount Desert Island E. F. Williams 1910-8-4
Isoetaceae GH: 00744772 Isoetes riparia Engelmann USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-12
Juncaceae GH: 02099019 Juncus articulatus Linnaeus USA: Vermont Norwich: [data not captured] E. F. Williams 1910-7-11
GH: 00860202 Juncus greenei Oakes & Tuckerman USA: New Hampshire Warren: Warren E. F. Williams 1910-7-23
GH: 02397303 Juncus tenuis williamsii Fernald USA: New Hampshire Ditch near the Red Bridge, Warren E. F. Williams 1910-7-21
GH: 00734223 Luzula acuminata Rafinesque USA: Massachusetts Springfield: Springfield E. F. Williams 1910-6-18
Lamiaceae GH: 00656118 Clinopodium vulgare Linnaeus USA: Vermont Norwich: Norwich E. F. Williams 1910-7-15
GH: 00696476 Collinsonia canadensis Linnaeus USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2
GH: 00505897 Hedeoma pulegioides (Linnaeus) Persoon USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2
GH: 00696631 Lycopus americanus Muhlenberg ex W. P. C. Barton USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-7
GH: 00745559 Lycopus rubellus Moench USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2
GH: 00642021 Lycopus sherardii Steele (pro sp.) USA: Vermont Norwich: Norwich E. F. Williams 1910-7-11
NEBC: 00696924 Lycopus uniflorus Michaux USA: Maine Mount Desert Island: Mount Desert Island E. F. Williams 1910-8-5
GH: 01018152 Mentha canadensis Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-13
GH: 00573337 Mentha piperita Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1910-7-24
GH: 01853746 Monarda media Willdenow USA: New Hampshire Warren: [Prezy] Pt. farm E. F. Williams 1910-7-29
GH: 00648591 Pycnanthemum tenuifolium Schrader USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-13
GH: 00686147 Scutellaria galericulata Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-13
GH: 00686194 Scutellaria galericulata Linnaeus USA: Vermont Norwich: Norwich E. F. Williams 1910-7-11
GH: 00642745 Scutellaria lateriflora Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-14
GH: 00002057 Stachys tenuifolia platyphylla Fernald USA: Vermont Norwich: Sandy shore of Connecticut River E. F. Williams 1910-7-11
Lauraceae NEBC: 00505070 Lindera benzoin (Linnaeus) Blume USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2
GH: 00505071 Lindera benzoin (Linnaeus) Blume USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2
Lentibulariaceae GH: 00664589 Utricularia vulgaris macrorhiza (L. LeConte) R. T. Clausen USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-12
Lobeliaceae NEBC: 00755442 Lobelia inflata Linnaeus USA: Maine Northeast Harbor E. F. Williams 1910-8-4
Lythraceae NEBC: 00577413 Lythrum salicaria Linnaeus USA: Massachusetts Boston: Boston, Brookline Ave E. F. Williams 1910-8-20
Magnoliaceae GH: 00217765 Magnolia acuminata (Linnaeus) Linnaeus USA: Massachusetts Plymouth: Watson Place E. F. Williams 1910-9-11
NEBC: 00217771 Magnolia tripetala (Linnaeus) Linnaeus USA: Massachusetts Plymouth: Watson place E. F. Williams 1910-9-11
Malvaceae NEBC: 00675674 Gossypium hirsutum Linnaeus USA: Massachusetts Cambridge: Cambridge, Huron Avenue E. F. Williams 1910-9-12
NEBC: 00675675 Gossypium hirsutum Linnaeus USA: Massachusetts Cambridge: Cambridge, Huron Avenue E. F. Williams 1910-9-12
Myricaceae GH: 00563278 Morella pensylvanica (Mirbel) Kartesz USA: Maine Portland: Portland E. F. Williams 1910-8-3
Najadaceae GH: 01032047 Najas flexilis (Willdenow) Rostkoius & W. L. E. Schmidt USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2
Nymphaeaceae GH: 01014076 Nuphar variegata Engelmann ex Durand USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-12
NEBC: 01014077 Nuphar variegata Engelmann ex Durand USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-12
GH: 00832873 Nuphar variegata Engelmann ex Durand USA: Vermont Norwich: Norwich E. F. Williams 1910-7-15
GH: 01014385 Nymphaea odorata Aiton USA: Vermont Norwich: Norwich E. F. Williams 1910-7-15
NEBC: 01014386 Nymphaea odorata Aiton USA: Vermont Norwich: Norwich E. F. Williams 1910-7-15
Oleaceae GH: 00602095 Fraxinus americana Linnaeus USA: Maine Mount Desert Island: Mount Desert Island E. F. Williams 1910-8-5
Onagraceae GH: 01073628 Circaea canadensis canadensis (Linnaeus) Hill USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-17
GH: 01073633 Circaea canadensis canadensis (Linnaeus) Hill USA: New Hampshire West Lebanon E. F. Williams 1910-7-11
GH: 00745814 Ludwigia palustris (Linnaeus) Elliott USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-12
Ophioglossaceae GH: 00711519 Botrychium lanceolatum angustisegmentum (Pease & A. H. Moore) R. T. Clausen USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-17
Orchidaceae GH: 01016557 Goodyera tesselata Loddiges USA: New Hampshire Wentworth: Wentworth E. F. Williams 1910-7-26
GH: 00728574 Liparis liliifolia (Linnaeus) Richard ex Lindley USA: Massachusetts Greenfield: Greenfield E. F. Williams 1910-6-17
NEBC: 01055772 Platanthera hookeri (Torrey ex A. Gray) Lindley USA: New Hampshire Wentworth: Wentworth E. F. Williams 1910-7-26
GH: 00741048 Platanthera huronensis (Nuttall) Lindley USA: Massachusetts Colrain: Colrain E. F. Williams 1910-6-18
AMES: 00462591 Platanthera lacera (Michaux) G. Don USA: New Hampshire Warren: Warren E. F. Williams 1910-7-28
GH: 01063090 Spiranthes lacera (Rafinesque) Rafinesque USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-14
GH: 01008369 Spiranthes lucida (H. H. Eaton) Ames USA: Massachusetts Colrain: Colrain E. F. Williams 1910-6-18
NEBC: 01008612 Spiranthes romanzoffiana Chamisso USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-17
GH: 01008615 Spiranthes romanzoffiana Chamisso USA: New Hampshire Warren: Warren E. F. Williams 1 1910-7-22
GH: 01077991 Spiranthes romanzoffiana Chamisso USA: New Hampshire Warren: Warren E. F. Williams 2 1910-7-28
Orobanchaceae GH: 00630943 Melampyrum lineare Desrousseaux USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-13
NEBC: 00630951 Melampyrum lineare Desrousseaux USA: New Hampshire Warren: Warren E. F. Williams 1910-7-31
GH: 00503132 Pedicularis canadensis Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-6
Oxalidaceae NEBC: 01071406 Oxalis stricta Linnaeus USA: Maine Mount Desert (Hancock County): Mount Desert E. F. Williams 1910-8-5
GH: 00833734 Oxalis stricta Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-7
Papaveraceae GH: 00669949 Corydalis sempervirens (Linnaeus) Persoon USA: Massachusetts Greenfield Town E. F. Williams 1910-6-17
GH: 00583910 Sanguinaria canadensis Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-6
Parnassiaceae GH: 01078936 Parnassia glauca Rafinesque USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2
Phrymaceae GH: 00664669 Phryma leptostachya Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-13
GH: 00664706 Phryma leptostachya Linnaeus USA: Vermont Norwich: Norwich E. F. Williams 1910-7-8
Phytolaccaceae GH: 00755317 Phytolacca americana Linnaeus USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2
Pinaceae GH: 00230827 Larix laricina (Du Roi) Koch USA: Massachusetts West Stockbridge: E. F. Williams 1910-4-10
NEBC: 00774816 Pinus rigida Miller USA: Maine Mount Desert Island: Mount Desert Island E. F. Williams 1910-8-6
GH: 00629420 Pinus strobus Linnaeus USA: Maine Mount Desert Island: Mount Desert Island E. F. Williams 1910-8-5
GH: 00576762 Pinus sylvestris Linnaeus USA: Massachusetts Plymouth: Plymouth E. F. Williams 1910-9-11
Plantaginaceae GH: 00733993 Callitriche palustris Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-12
GH: 00650362 Penstemon digitalis Nuttall ex Sims USA: Vermont Norwich: Norwich E. F. Williams 1910-7-8
GH: 00582081 Plantago lanceolata Linnaeus USA: Vermont Norwich: Norwich E. F. Williams 1910-7-15
GH: 00655350 Veronica longifolia Linnaeus USA: New Hampshire Piermont: Piermont E. F. Williams 1910-7-26
GH: 00579147 Veronica serpyllifolia Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-7
GH: 00579148 Veronica serpyllifolia Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1910-7-22
Poaceae GH: 01175714 Agrostis scabra Willdenow USA: New Hampshire Warren: Warren E. F. Williams 1910-7-20
GH: 00764226 Andropogon gerardi Vitman USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2
GH: 00019481 Asperella hystrix bigelowiana Fernald USA: New Hampshire Hanover: Thin woods by the Conneticut River E. F. Williams 1910-7-13
GH: 00622981 Avena sativa Linnaeus USA: Maine Portland: Portland E. F. Williams 1910-8-3
GH: 00865581 Bromus ramosus Hudson USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-17
GH: 01045570 Calamagrostis canadensis (Michaux) P. Beauvois USA: Vermont Norwich: Norwich E. F. Williams 1910-7-11
GH: 00835772 Cinna latifolia (Treviranus ex Göppert) Grisebach USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-17
GH: 00609236 Dactylis glomerata Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-9
GH: 00609327 Dactylis glomerata Linnaeus USA: Vermont Norwich: Norwich E. F. Williams 1910-7-8
GH: 00689127 Digitaria filiformis (Linnaeus) Koeler USA: Rhode Island Woonsocket: Woonsocket E. F. Williams 1910-10-2
GH: 00594059 Digitaria sanguinalis (Linnaeus) Scopoli USA: Maine Portland: Portland E. F. Williams 1910-8-3
GH: 00594134 Echinochloa crus-galli (Linnaeus) P. Beauvois USA: Maine Portland: Portland E. F. Williams 1910-8-3
GH: 00878669 Glyceria borealis (Nash) Batchelder USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-12
GH: 00859409 Glyceria canadensis (Michaux) Trinius USA: New Hampshire Warren: Warren E. F. Williams 1910-7-21
GH: 01149041 Glyceria grandis S. Watson USA: New Hampshire Wentworth: Wentworth E. F. Williams 1910-7-26
GH: 01149229 Glyceria melicaria (Michx.) F.T. Hubbard USA: New Hampshire Warren: Warren E. F. Williams 1910-7-20
GH: 01149336 Glyceria obtusa (Muhlenberg) Trinius USA: Maine Mount Desert Island E. F. Williams 1910-8-6
GH: 01149577 Glyceria striata (Lamarck) Hitchcock USA: New Hampshire Warren: Warren E. F. Williams 1910-7-20
GH: 00613349 Hordeum vulgare Linnaeus USA: Maine Portland: Portland E. F. Williams 1910-8-3
GH: 00613356 Hordeum vulgare Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1910-7-28
GH: 00613357 Hordeum vulgare Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1910-7-23
GH: 00817733 Leersia virginica Willdenow USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2
GH: 00855806 Muhlenbergia mexicana (Linnaeus) Trinius USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2
GH: 01025521 Muhlenbergia sylvatica (Torrey) Torrey ex A. Gray USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2
GH: 01151926 Panicum dichotomiflorum Michaux USA: Massachusetts Boston: Boston, in Back Bay lands E. F. Williams 1910-8-27
GH: 00583172 Panicum miliaceum Linnaeus USA: Maine Portland: Portland E. F. Williams 1910-8-3
GH: 00611788 Phalaris arundinacea Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1910-7-31
GH: 00611892 Phalaris arundinacea Linnaeus USA: Massachusetts Greenfield: Greenfield E. F. Williams 1910-6-17
GH: 00606264 Poa compressa Linnaeus USA: Vermont Norwich: Norwich E. F. Williams 1910-7-11
NEBC: 01150393 Poa palustris Linnaeus USA: Vermont Norwich: Norwich E. F. Williams 1910-7-11
GH: 00595632 Schedonorus pratensis (Hudson) P. Beauvois USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-14
GH: 00598013 Secale cereale Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-13
GH: 00598202 Setaria pumila (Poiret) Roemer & Schultes USA: Maine Portland: Portland E. F. Williams 1910-8-3
GH: 00598344 Setaria verticillata (Linnaeus) P. Beauvois USA: Massachusetts Cambridge: Cambridge, on Huron Ave. E. F. Williams 1910-9-3
GH: 01174200 Spartina alterniflora Loiseleur-Deslongchamps USA: Maine Mount Desert (Hancock County): Mount Desert E. F. Williams 1910-8-6
GH: 01182047 Sphenopholis intermedia Rydberg USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-7
GH: 01182051 Sphenopholis intermedia Rydberg USA: New Hampshire Wentworth: Wentworth E. F. Williams 1910-7-26
GH: 00598083 Triticum aestivum Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1910-7-21
Polygalaceae GH: 00720435 Polygala sanguinea Linnaeus USA: Maine Portland: Portland E. F. Williams 1910-8-3
Polygonaceae GH: 00759003 Fagopyrum esculentum Moench USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-17
GH: 00642545 Polygonella articulata (Linnaeus) Meisner USA: New Hampshire Wentworth: Wentworth E. F. Williams 1910
GH: 00562849 Polygonum cuspidatum Siebold & Zuccarini USA: Massachusetts Boston: Boston, Back Bay E. F. Williams 1910-8-27
GH: 00749378 Polygonum orientale Linnaeus USA: Massachusetts Cambridge: Cambridge, 12 Reservoir St. E. F. Williams 1910-9-2
GH: 00552430 Polygonum persicaria Linnaeus USA: Maine Mount Desert Island E. F. Williams 1910-8-4
GH: 00562849 Reynoutria japonica Houttuyn USA: Massachusetts Boston: Boston, Back Bay E. F. Williams 1910-8-27
GH: 02006035 Rheum rhabarbarum Linnaeus USA: New Hampshire Warren: [data not captured] E. F. Williams 1910-7-31
GH: 00650027 Rumex britannica Linnaeus USA: Maine Cranberry Isles: Cranberry Isles E. F. Williams 1910-8-8
GH: 00759677 Rumex patientia Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-8
Pontederiaceae GH: 00855492 Pontederia cordata Linnaeus USA: Maine Mount Desert Island E. F. Williams 1910-8-6
Potamogetonaceae GH: 00700526 Potamogeton pusillus tenuissimus Mertens & Koch USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-12
Primulaceae GH: 00563538 Lysimachia nummularia Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-9
GH: 00563540 Lysimachia nummularia Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1910-7-20
Ranunculaceae GH: 01034687 Anemone cylindrica A. Gray USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2
GH: 00866589 Anemone virginiana riparia (Fernald) B. Boivin USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-6
GH: 00759868 Aquilegia vulgaris Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1910-7-24
GH: 00575821 Clematis virginiana Linnaeus USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2
NEBC: 00583843 Hepatica acutiloba de Candolle USA: Massachusetts Lenox: Lenox E. F. Williams 1910-4-3
GH: 01013220 Hepatica americana (de Candolle) Ker Gawler USA: Massachusetts Lenox: Lenox E. F. Williams 1910-4-6
GH: 01013227 Hepatica americana (de Candolle) Ker Gawler USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-17
Rhamnaceae GH: 00643744 Ceanothus americanus Linnaeus USA: Massachusetts Greenfield: Greenfield E. F. Williams 1910-6-17
GH: 00578483 Rhamnus cathartica Linnaeus USA: Rhode Island Woonsocket: Woonsocket E. F. Williams 1910-10-2
Rosaceae GH: 00649903 Agrimonia striata Michaux USA: New Hampshire Warren: Warren E. F. Williams 1910-7-28
GH: 00740696 Amelanchier stolonifera Wiegand USA: Massachusetts Quincy: Quincy E. F. Williams 1910-5-3
GH: 00709907 Crataegus Linnaeus USA: Massachusetts Petersham: Petersham E. F. Williams 1910-6-5
NEBC: 00709206 Crataegus macrosperma Ashe USA: Massachusetts Petersham: Petersham E. F. Williams 1910-6-5
GH: 00688119 Dalibarda repens Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-17
GH: 00703256 Filipendula rubra (Hill) B. L. Robinson USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-17
GH: 00688981 Geum canadense Jacquin USA: New Hampshire Lebanon: Lebanon E. F. Williams 1910-7-11
GH: 00724534 Geum canadense camporum (Rydb.) Fernald & Weath. USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-6
GH: 00669596 Geum fragarioides (Michaux) Smedmark USA: Vermont Norwich: Norwich E. F. Williams 1910-7-8
GH: 00669621 Geum fragarioides (Michaux) Smedmark USA: Massachusetts Colrain: Colrain E. F. Williams 1910-6-18
GH: 00565573 Geum rivale Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1910-7-28
GH: 00524506 Potentilla recta Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1910-7-28
GH: 00756433 Potentilla simplex Michaux USA: Maine Mount Desert Island: Mount Desert Island E. F. Williams 1910-8-5
GH: 01574902 Rosa cinnamomea Linnaeus USA: New Hampshire Hanover: [no additional data] E. F. Williams 1910-7-6
NEBC: 00653548 Rosa francofurtana Muenchh. USA: New Hampshire Norwich E. F. Williams 1910-7-8
GH: 00524759 Rosa gallica Linnaeus USA: New Hampshire Piermont: Piermont E. F. Williams 1910-7-26
GH: 00524915 Rosa rubiginosa Linnaeus USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2
GH: 00651295 Rubus occidentalis Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-7
GH: 00651296 Rubus occidentalis Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-7
Rubiaceae GH: 00614369 Cephalanthus occidentalis Linnaeus USA: New Hampshire Wentworth: Wentworth E. F. Williams 1910-7-26
Rutaceae GH: 00771417 Ptelea trifoliata Linnaeus USA: Massachusetts Boston: Boston, Back Bay E. F. Williams 1910-9-17
Salicaceae GH: 00659848 Populus balsamifera Linnaeus USA: Maine Cranberry Isles: Cranberry Isles E. F. Williams 1910-8-8
GH: 00688522 Populus grandidentata Michaux USA: Maine Mount Desert Island: Mount Desert Island E. F. Williams 1910-8-5
GH: 00771715 Populus nigra Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-9
GH: 00724281 Populus tremuloides Michaux USA: Maine Mount Desert Island: Mount Desert Island E. F. Williams 1910-8-5
GH: 00724872 Salix bebbiana Sargent USA: New Hampshire Warren: Warren E. F. Williams 1910-7-28
NEBC: 00649131 Salix bebbii Gandoger USA: Vermont Norwich: Norwich E. F. Williams 1910-7-8
GH: 00769065 Salix eriocephala Michaux USA: New Hampshire Wentworth: Wentworth E. F. Williams 1910-7-26
NEBC: 00769650 Salix lucida Muhlenberg USA: Maine Mount Desert (Hancock County): Mount Desert E. F. Williams 1910-8-7
GH: 00763555 Salix nigra Marshall USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-7
GH: 00523483 Salix purpurea Linnaeus USA: Maine Mount Desert Island: Mount Desert Island E. F. Williams 1910-8-4
GH: 00523517 Salix purpurea Linnaeus USA: Massachusetts Boston: Boston, Back Bay E. F. Williams 1910-9-17
GH: 00523371 Salix rubens F. v. P. v. Schrank USA: New Hampshire Warren: Warren E. F. Williams 1910-7-28
NEBC: 00748689 Salix sericea Marshall USA: New Hampshire Wentworth: Wentworth E. F. Williams 1910-7-26
Saxifragaceae GH: 01038618 Mitella diphylla Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-17
GH: 01008753 Mitella diphylla Linnaeus USA: Massachusetts Colrain: Colrain E. F. Williams 1910-6-18
GH: 00523195 Ribes rubrum Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-9
Scrophulariaceae GH: 00686816 Lindernia dubia (Linnaeus) Pennell USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-14
GH: 00668922 Mimulus ringens Linnaeus USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-7
Selaginellaceae GH: 00632542 Selaginella apoda (Linnaeus) C. Morren USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-7
Solanaceae GH: 00610116 Nicandra physalodes (Linnaeus) Gaertner USA: Maine Portland: Portland E. F. Williams 1910-8-3
NEBC: 01000437 Petunia atkinsiana (Sweet) D. Don ex W. H. Baxter USA: Massachusetts Cambridge: Huron Avenue E. F. Williams 1910-9-12
NEBC: 01000439 Petunia atkinsiana (Sweet) D. Don ex W. H. Baxter USA: Massachusetts Cambridge: Huron Avenue E. F. Williams 1910-9-3
NEBC: 00762534 Petunia integrifolia (Hooker) Schinz & Thellung USA: Massachusetts Cambridge: Cambridge, Huron Avenue E. F. Williams 1910-9-3
GH: 00762636 Physalis heterophylla Nees USA: Vermont Norwich: Norwich E. F. Williams 1910-7-15
NEBC: 00645318 Solanum emulans Rafinesque USA: Massachusetts Cambridge: Cambridge, on Fayerweather Street E. F. Williams 1910-9-15
GH: 00672593 Solanum lycopersicum Linnaeus USA: Massachusetts Cambridge: Cambridge, on Huron Ave. E. F. Williams 1910-9-19
Thymelaeaceae GH: 00523592 Daphne mezereum Linnaeus USA: Massachusetts Richmond: Richmond E. F. Williams 1910-4-10
Ulmaceae GH: 00721803 Celtis occidentalis Linnaeus USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2
GH: 00721888 Ulmus americana Linnaeus USA: Maine Mount Desert Island: Mount Desert Island E. F. Williams 1910-8-6
GH: 00721973 Ulmus rubra Muhlenberg USA: Rhode Island Lincoln: Lincoln E. F. Williams 1910-10-2
Urticaceae GH: 00658352 Boehmeria cylindrica (Linnaeus) Swartz USA: New Hampshire Hanover: Hanover E. F. Williams 1910-1-7
GH: 00705889 Pilea pumila (Linnaeus) A. Gray USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-9
GH: 00523615 Urtica dioica Linnaeus USA: Massachusetts Cambridge: Cambridge, Huron Ave. E. F. Williams 1910-9-14
GH: 00523642 Urtica dioica Linnaeus USA: Massachusetts Boston: Boston, Back Bay E. F. Williams 1910-9-17
Violaceae GH: 00760235 Viola adunca Smith USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-18
GH: 00560785 Viola labradorica Schrank USA: New Hampshire Hanover: Hanover E. F. Williams 1910-7-17
NEBC: 00702914 Viola rotundifolia Michaux USA: Massachusetts Lee: Lee E. F. Williams 1910-4-6
NEBC: 00702915 Viola rotundifolia Michaux USA: Massachusetts Lenox: Lenox E. F. Williams 1910-4-6
GH: 00771676 Viola tricolor Linnaeus USA: New Hampshire Warren: Warren E. F. Williams 1910-7-31
