Aceraceae NEBC: 00580818 Acer pseudoplatanus Linnaeus USA: Massachusetts Uxbridge: Uxbridge J. W. Robbins
NEBC: 00752839 Acer saccharum nigrum (Michx. f.) Britton USA: Vermont Williston: Williston J. W. Robbins 29
GH: 00752840 Acer saccharum nigrum (Michx. f.) Britton USA: Vermont Hyde Park: Hyde Park J. W. Robbins
GH: 00752841 Acer saccharum nigrum (Michx. f.) Britton USA: Vermont Williston: Williston J. W. Robbins
GH: 00752859 Acer saccharum nigrum (Michx. f.) Britton USA: Vermont Castleton: Castleton J. W. Robbins
GH: 00752860 Acer saccharum nigrum (Michx. f.) Britton USA: Vermont Castleton: Castleton J. W. Robbins
Alismataceae NEBC: 01032294 Alisma subcordatum Pursh USA: Connecticut New Haven: New Haven J. W. Robbins 125
Alliaceae GH: 00680657 Allium tricoccum Aiton USA: Connecticut Colebrook: Colebrook J. W. Robbins
NEBC: 00680658 Allium tricoccum Aiton USA: Connecticut Colebrook: Colebrook J. W. Robbins
Amaranthaceae NEBC: 00689969 Amaranthus pumilus Rafinesque USA: Rhode Island Newport: Newport J. W. Robbins
NEBC: 00689970 Amaranthus pumilus Rafinesque USA: Massachusetts Martha's Vineyard J. W. Robbins
NEBC: 00689968 Amaranthus pumilus Rafinesque USA: Massachusetts Martha's Vineyard J. W. Robbins
Anacardiaceae NEBC: 00752726 Toxicodendron rydbergii (Small ex Rydberg) Greene USA: Connecticut New Haven: New Haven J. W. Robbins 30
Apiaceae NEBC: 00483278 Angelica atropurpurea Linnaeus USA: Connecticut J. W. Robbins 48
NEBC: 01050954 Cicuta maculata Linnaeus USA: Connecticut New Haven: New Haven J. W. Robbins
NEBC: 01051660 Hydrocotyle umbellata Michaux USA: Connecticut New Haven: New Haven J. W. Robbins
Aquifoliaceae NEBC: 00767432 Ilex laevigata (Pursh) A. Gray USA: Connecticut Windsor: Windsor J. W. Robbins
NEBC: 00767433 Ilex laevigata (Pursh) A. Gray USA: Connecticut J. W. Robbins
NEBC: 00713213 Ilex mucronata (Linnaeus) M. Powell, Savolainen & S. Andrews USA: Connecticut Winchester: Winchester J. W. Robbins 25
NEBC: 00713214 Ilex mucronata (Linnaeus) M. Powell, Savolainen & S. Andrews USA: Connecticut Winchester: Winchester J. W. Robbins 25
Araceae NEBC: 01032982 Calla palustris Linnaeus USA: Connecticut Norfolk: Norfolk J. W. Robbins 123
NEBC: 00764302 Symplocarpus foetidus (Linnaeus) Salisbury ex W. P. C. Barton USA: Connecticut New Haven: New Haven J. W. Robbins 123
Aspleniaceae GH: 00681737 Asplenium ruta-muraria Linnaeus USA: Vermont J. W. Robbins
Asteraceae GH: 00531516 Artemisia absinthium Linnaeus USA: Vermont Ferrisburg J. W. Robbins
NEBC: 00531521 Artemisia absinthium Linnaeus USA: Vermont Bennington: Bennington J. W. Robbins
NEBC: 00061981 Packera schweinitziana (Nutt.) W.A. Weber & Á. Löve USA: Vermont Brownington: J. W. Robbins
NEBC: 00061982 Packera schweinitziana (Nutt.) W.A. Weber & Á. Löve USA: Vermont Brownington: J. W. Robbins
NEBC: 00061981 Senecio aureus lanceolatus Oakes USA: Vermont Brownington: J. W. Robbins
NEBC: 00061982 Senecio aureus lanceolatus Oakes USA: Vermont Brownington: J. W. Robbins
NEBC: 00061982 Senecio robbinsii Oakes ex Rusby USA: Vermont Brownington: J. W. Robbins
NEBC: 00061981 Senecio robbinsii Oakes ex Rusby USA: Vermont Brownington: J. W. Robbins
GH: 00872791 Solidago simplex racemosa (Greene) G. S. Ringius USA: Vermont Onion [Winooski] River J. W. Robbins
NEBC: 01056927 Solidago uliginosa Nuttall USA: Vermont Fair Haven: Fair Haven J. W. Robbins 55
Balsaminaceae NEBC: 00484323 Impatiens capensis Meerburgh USA: Connecticut Colebrook: Colebrook J. W. Robbins 23
NEBC: 00484324 Impatiens capensis Meerburgh USA: Connecticut Colebrook: J. W. Robbins
Betulaceae NEBC: 00636780 Betula alleghaniensis Britton USA: Connecticut Colebrook: Colebrook J. W. Robbins 103
NEBC: 00627000 Betula cordifolia Regel USA: Vermont Duxbury: Duxbury J. W. Robbins 103
NEBC: 00634583 Betula lenta Linnaeus USA: Connecticut Colebrook: Colebrook J. W. Robbins 103
NEBC: 00634584 Betula lenta Linnaeus USA: Connecticut Colebrook: Colebrook J. W. Robbins 103
NEBC: 00727346 Carpinus caroliniana virginiana (Marsh.) Furlow USA: Connecticut Colebrook: Colebrook J. W. Robbins 103
NEBC: 00746174 Ostrya virginiana (Miller) K. Koch USA: Connecticut Colebrook: Colebrook J. W. Robbins 103
Blechnaceae NEBC: 00628429 Woodwardia virginica (Linnaeus) Smith USA: Vermont Colchester: Colchester J. W. Robbins
GH: 00708669 Woodwardia virginica (Linnaeus) Smith USA: Connecticut Monroe: Monroe J. W. Robbins
Boraginaceae NEBC: 01582020 Lithospermum officinale Linnaeus USA: Connecticut Canaan: [no additional data] J. W. Robbins
Brachytheciaceae NEBC: 00787491 Brachythecium acutum (Mitten) Sullivant USA: Massachusetts Uxbridge: [no additional data] J. W. Robbins
NEBC: 00787829 Brachythecium plumosum (Hedwig) Bruch, Schimper & C. Gümbel USA: Massachusetts Uxbridge: [no additional data] J. W. Robbins
NEBC: 00790442 Brachythecium rutabulum (Hedwig) Schimper USA: Massachusetts Uxbridge: [no additional data] J. W. Robbins
NEBC: 00625838 Bryoandersonia illecebra (Hedwig) H. Robinson USA: Massachusetts Uxbridge: [no additional data] J. W. Robbins
Brassicaceae NEBC: 00617649 Arabidopsis lyrata (Linnaeus) O'Kane & Al-Shehbaz USA: Massachusetts Mount Washington: Mount Washington J. W. Robbins 10
GH: 00992622 Arabidopsis lyrata (Linnaeus) O'Kane & Al-Shehbaz USA: Michigan Isle Royale: Isle Royale, near Light house J. W. Robbins
NEBC: 00617347 Cardamine pratensis Linnaeus USA: Vermont Albany: Albany J. W. Robbins
NEBC: 00617385 Cardamine pratensis Linnaeus USA: Connecticut J. W. Robbins J. W. Robbins 10
NEBC: 01023493 Lepidium coronopus (Linnaeus) Al-Shehbaz USA: Rhode Island Newport: Newport J. W. Robbins
NEBC: 01023494 Lepidium coronopus (Linnaeus) Al-Shehbaz USA: Rhode Island Newport: Newport J. W. Robbins
Buxbaumiaceae NEBC: 00799820 Buxbaumia aphylla Hedwig USA: Massachusetts Uxbridge: [no additional data] J. W. Robbins
Caesalpiniaceae NEBC: 00654366 Chamaecrista nictitans (Linnaeus) Moench USA: Massachusetts Martha's Vineyard J. W. Robbins 32
Caprifoliaceae NEBC: 00682577 Lonicera canadensis Bartram ex Marsh. USA: Rhode Island J. W. Robbins
GH: 02038187 Lonicera hirsuta Eaton USA: [no additional data] J. W. Robbins
NEBC: 00611222 Viburnum nudum cassinoides (Linnaeus) Torrey & A. Gray USA: Vermont Colchester: Colchester J. W. Robbins
Caryophyllaceae NEBC: 00820256 Arenaria serpyllifolia Linnaeus USA: Connecticut Canaan: Canaan J. W. Robbins
NEBC: 00564730 Cerastium fontanum vulgare (Hartman) Greuter & Burdet USA: Vermont Danby: Danby J. W. Robbins 15
NEBC: 00698619 Honckenya peploides robusta (Fernald) Hultén USA: Connecticut Waterford: Waterford J. W. Robbins
NEBC: 00575548 Silene caroliniana pensylvanica (Michaux) Fernald USA: Massachusetts Uxbridge: Uxbridge J. W. Robbins
NEBC: 00534045 Silene latifolia Poiret USA: Maine Hallowell: Hallowell J. W. Robbins 15
NEBC: 00602944 Silene noctiflora Linnaeus USA: Connecticut Colebrook: Colebrook J. W. Robbins 15
NEBC: 00534045 Silene noctiflora Linnaeus USA: Maine Hallowell: Hallowell J. W. Robbins 15
NEBC: 00693512 Spergularia marina (Linnaeus) Grisebach USA: Connecticut Guilford: Guilford J. W. Robbins 15
Ceratophyllaceae NEBC: 00834179 Ceratophyllum demersum Linnaeus USA: Vermont Newport J. W. Robbins 106
Chenopodiaceae NEBC: 00732380 Salsola kali Linnaeus USA: Connecticut New Haven: New Haven J. W. Robbins 87
Cistaceae NEBC: 00817431 Crocanthemum bicknellii (Fernald) Janchen USA: Connecticut J. W. Robbins 13
Convolvulaceae NEBC: 01582009 Ipomoea pandurata Conzatti & L. C. Smith USA: Connecticut New Milford: [no additional data] J. W. Robbins
Cornaceae NEBC: 00713167 Cornus canadensis Linnaeus USA: Connecticut Winchester: Winchester J. W. Robbins
NEBC: 00767220 Cornus florida Linnaeus USA: Vermont Castleton: Castleton J. W. Robbins
NEBC: 00767219 Cornus florida Linnaeus USA: Vermont Castleton: Castleton J. W. Robbins
NEBC: 00502683 Cornus rugosa Lamarck USA: Connecticut Norfolk: Norfolk J. W. Robbins
GH: 01962336 Cornus sericea Linnaeus USA: Vermont Hubbardton: [no additional data] J. W. Robbins
GH: 01962336 Cornus stolonifera Michaux USA: Vermont Hubbardton: [no additional data] J. W. Robbins
Crassulaceae NEBC: 00591516 Sedum acre Linnaeus USA: Connecticut New Haven: New Haven J. W. Robbins 36
Cyperaceae NEBC: 00221792 Carex arctogena H. Smith USA: New Hampshire Alpine region of White Mountains J. W. Robbins
GH: 00249705 Carex aurea Nuttall USA: Vermont Burlington: J. W. Robbins
NEBC: 00221742 Carex capillaris Linnaeus USA: New Hampshire Alpine regions of White Mountains J. W. Robbins
NEBC: 00874316 Carex sprengelii Dewey ex Sprengel USA: Vermont Duxbury: Duxbury J. W. Robbins
NEBC: 00714082 Carex tenuiflora Wahlenberg USA: Vermont Derby: Derby J. W. Robbins
NEBC: 00766454 Carex tonsa rugosperma (Mackenzie) Crins USA: Maine Augusta: Augusta J. W. Robbins
NEBC: 01059768 Carex tribuloides Wahlenberg USA: Vermont Otter Creek J. W. Robbins
NEBC: 01048635 Eleocharis parvula (Roemer & Schultes) Link ex Bluff, Nees & Schauer USA: Rhode Island Block Island J. W. Robbins
GH: 01029286 Scirpus verecundus Fernald USA: Connecticut New Haven: New Haven J. W. Robbins
NEBC: 00714720 Scleria triglomerata Michaux USA: Massachusetts Hadley: Hadley J. W. Robbins
Droseraceae GH: 01143974 Drosera linearis Goldie : Lake Superior: [no additional data] J. W. Robbins
Dryopteridaceae NEBC: 00551271 Dryopteris goldiana (Hooker) A. Gray USA: Vermont Castleton: Castleton J. W. Robbins 131
Elaeagnaceae NEBC: 00712850 Shepherdia canadensis Nuttall USA: Vermont Mount Independence J. W. Robbins 95
Elatinaceae NEBC: 01000408 Elatine minima (Nuttall) Fischer ex C. A. Meyer USA: Maryland Borders of Pomonkey Creek [Bryans Road] J. W. Robbins
Entodontaceae NEBC: 00796642 Entodon cladorrhizans (Hedwig) Müller Halle USA: Massachusetts Uxbridge: [no additional data] J. W. Robbins
NEBC: 00796855 Entodon seductrix (Hedwig) Müller Halle USA: Massachusetts Uxbridge: [no additional data] J. W. Robbins
Ericaceae NEBC: 00726308 Empetrum nigrum Linnaeus USA: Vermont Duxbury: Summit Camel's Rump [Hump] J. W. Robbins 105
GH: 01719263 Monotropa hypopitys Linnaeus USA: in peninsula Keweenaw J. W. Robbins
GH: 00519760 Vaccinium corymbosum Linnaeus USA: Massachusetts Uxbridge: Uxbridge J. W. Robbins
NEBC: 00517213 Vaccinium pallidum Aiton USA: Massachusetts Natick: Natick J. W. Robbins 58
Euphorbiaceae NEBC: 01078277 Acalypha gracilens A. Gray USA: Connecticut New Haven: New Haven J. W. Robbins 98
NEBC: 01069423 Acalypha rhomboidea Rafinesque USA: Connecticut Winchester: Winchester J. W. Robbins 98
NEBC: 00643038 Euphorbia peplus Linnaeus USA: Rhode Island Newport: Newport J. W. Robbins 98
Fabaceae NEBC: 00580256 Amorpha fruticosa Linnaeus USA: Connecticut New Haven: New Haven J. W. Robbins 32
NEBC: 00064209 Astragalus robbinsii (Oakes) A. Gray USA: Vermont Burlington: Brewster's gully of the Onion J. W. Robbins
GH: 02129893 Medicago polymorpha Linnaeus USA: Michigan [data not captured] J. W. Robbins
NEBC: 00064209 Phaca robbinsii Oakes USA: Vermont Burlington: Brewster's gully of the Onion J. W. Robbins
NEBC: 00643441 Phaseolus polystachios (Linnaeus) Britton USA: Connecticut New Haven: New Haven J. W. Robbins 32
NEBC: 00504897 Trifolium pratense Linnaeus USA: Connecticut Canaan: Canaan J. W. Robbins 32
Fagaceae NEBC: 00746332 Fagus grandifolia Ehrhart USA: Vermont Cambridge: Cambridge J. W. Robbins 103
GH: 00695396 Quercus ilicifolia Wangenheim USA: Massachusetts Uxbridge: Uxbridge J. W. Robbins
NEBC: 00662671 Quercus palustris Münchhausen USA: Massachusetts Northbridge: Northbridge J. W. Robbins 103
Fontinalaceae NEBC: 00540750 Dichelyma falcatum (Hedwig) Myrin USA: Massachusetts Uxbridge: [no additional data] J. W. Robbins
Funariaceae FH: 00964126 Funaria hygrometrica Hedwig USA: Connecticut Colebrook J. W. Robbins 100
FH: 00964126 Physcomitrium pyriforme (Hedwig) Hampe USA: Connecticut Colebrook J. W. Robbins 100
Gentianaceae GH: 02166452 Halenia deflexa (Smith) Grisebach USA: Michigan in peninsula Keweenaw J. W. Robbins 69
NEBC: 00775541 Sabatia kennedyana Fernald USA: Massachusetts New Bedford: New Bedford J. W. Robbins 69
Geraniaceae NEBC: 01070270 Geranium bicknellii Britton USA: Vermont Castleton: Castleton J. W. Robbins 23
NEBC: 01067567 Geranium carolinianum confertiflorum Fernald USA: Rhode Island J. W. Robbins
NEBC: 01070584 Geranium robertianum Linnaeus USA: Connecticut Colebrook: Colebrook J. W. Robbins 23
Grimmiaceae FH: 00964124 Hedwigia ciliata (Hedwig) P. Beauvois USA: Connecticut Holebrook J. W. Robbins
Haloragaceae NEBC: 01028626 Myriophyllum humile (Rafinesque) Morong USA: Connecticut Winchester: Winchester J. W. Robbins 39
NEBC: 01028655 Proserpinaca palustris crebra Fernald & Griscom USA: Connecticut New Haven: New Haven J. W. Robbins 39
Hamamelidaceae NEBC: 00649060 Hamamelis virginiana Linnaeus USA: Connecticut Colebrook: Colebrook J. W. Robbins
Hypericaceae GH: 00774110 Hypericum boreale (Britton) E. P. Bicknell USA: Massachusetts Uxbridge: Uxbridge J. W. Robbins
GH: 00774111 Hypericum boreale (Britton) E. P. Bicknell USA: Massachusetts Uxbridge: Uxbridge J. W. Robbins
GH: 00067587 Hypericum canadense majus A. Gray : North America (CA, US, MX): Lake Superior J. W. Robbins 31c
GH: 00067587 Hypericum majus (A. Gray) Britton : North America (CA, US, MX): Lake Superior J. W. Robbins 31c
GH: 00774507 Hypericum majus (A. Gray) Britton USA: Massachusetts Uxbridge: Uxbridge J. W. Robbins
GH: 00629109 Hypericum mutilum Linnaeus USA: Massachusetts Uxbridge: Uxbridge J. W. Robbins
GH: 00067587 Hypericum sp. : North America (CA, US, MX): Lake Superior J. W. Robbins 31c
Hypnaceae NEBC: 00840820 Hypnum cupressiforme imponens (Hedwig) Boulay USA: Massachusetts Uxbridge: [no additional data] J. W. Robbins
NEBC: 00841016 Hypnum curvifolium Hedwig USA: Massachusetts Uxbridge: [no additional data] J. W. Robbins
Iridaceae NEBC: 01044283 Iris versicolor Linnaeus USA: Connecticut Colebrook: Colebrook J. W. Robbins 113
NEBC: 00954708 Sisyrinchium angustifolium Miller USA: Connecticut Colebrook: [no additional data] J. W. Robbins
Isoetaceae GH: 02073022 Isoetes riparia Engelmann USA: Massachusetts Uxbridge: [no additional data] J. W. Robbins
Juglandaceae NEBC: 00622064 Carya ovata (Miller) K. Koch USA: Connecticut Canaan: Canaan J. W. Robbins
NEBC: 00622065 Carya ovata (Miller) K. Koch USA: Connecticut Colebrook: Colebrook J. W. Robbins
NEBC: 00622845 Juglans nigra Linnaeus USA: Connecticut Salisbury: Salisbury J. W. Robbins
NEBC: 00622844 Juglans nigra Linnaeus USA: Connecticut Harwinton: Harwinton J. W. Robbins
Juncaceae GH: 00860039 Juncus filiformis Linnaeus USA: Vermont Ferrisburg J. W. Robbins
GH: 01045826 Juncus nodosus Linnaeus USA: Michigan J. W. Robbins
Lamiaceae NEBC: 00707391 Blephilia hirsuta (Pursh) Bentham USA: Vermont Craftsbury: Craftsbury J. W. Robbins 82
NEBC: 01582006 Lamium amplexicaule Linnaeus USA: Connecticut Monroe: [no additional data] J. W. Robbins
GH: 00612558 Pycnanthemum verticillatum (Michaux) Persoon USA: Vermont Colchester: Colchester J. W. Robbins
NEBC: 01582004 Salvia sclarea Linnaeus USA: Connecticut New Haven: [no additional data] J. W. Robbins
Lauraceae NEBC: 00683361 Sassafras albidum (Nuttall) Nees USA: Connecticut Canaan: Canaan J. W. Robbins 93
Lentibulariaceae GH: 01976135 Utricularia subulata Linnaeus USA: New York Long Island: [no additional data] J. W. Robbins
Liliaceae NEBC: 00712502 Chamaelirium luteum (Linnaeus) A. Gray USA: Connecticut Monroe: Monroe J. W. Robbins
NEBC: 00817258 Erythronium americanum Ker Gawler USA: Vermont Duxbury: Duxbury J. W. Robbins 116
NEBC: 01030171 Maianthemum stellatum (Linnaeus) Link USA: Connecticut Canaan: Canaan J. W. Robbins 116
NEBC: 01030936 Streptopus lanceolatus (Aiton) Reveal USA: Vermont Castine J. W. Robbins 116
NEBC: 00573026 Trillium cernuum Linnaeus USA: Connecticut Canaan: Canaan J. W. Robbins
NEBC: 00869399 Trillium erectum Linnaeus USA: Connecticut Canaan: Canaan J. W. Robbins
Lycopodiaceae GH: 00632259 Spinulum annotinum (Linnaeus) A. Haines USA: Vermont Castleton: Castleton J. W. Robbins 133
Lythraceae NEBC: 00725016 Rotala ramosior (Linnaeus) Koehne USA: Connecticut New Haven: New Haven J. W. Robbins
Meesiaceae FH: 00845218 Meesia longiseta Hedwig USA: Connecticut Norfolk: [no additional data] J. W. Robbins
FH: 01091583 Meesia longiseta Hedwig USA: Connecticut Norfolk: marshes J. W. Robbins
Menispermaceae NEBC: 00834100 Menispermum canadense Linnaeus USA: Connecticut Canaan: Canaan J. W. Robbins
Moraceae NEBC: 00741158 Morus rubra Linnaeus USA: Vermont Pownal: Pownal J. W. Robbins 99
Nymphaeaceae NEBC: 01014711 Nymphaea odorata Aiton USA: Massachusetts Uxbridge: Uxbridge, Pout Pond J. W. Robbins
Onagraceae NEBC: 01040630 Epilobium coloratum Biehler USA: Vermont Brownington: Brownington J. W. Robbins
NEBC: 00573871 Ludwigia alternifolia Linnaeus USA: Massachusetts Boston: Boston J. W. Robbins
NEBC: 00816298 Oenothera parviflora Linnaeus USA: Connecticut Winchester: Winchester J. W. Robbins 42
Ophioglossaceae NEBC: 00679102 Ophioglossum pusillum Rafinesque USA: New Hampshire Lincoln: Lincoln J. W. Robbins 132
Orchidaceae NEBC: 00728219 Cypripedium arietinum R. Brown USA: Vermont Fair Haven: Fair Haven J. W. Robbins
NEBC: 00728556 Galearis spectabilis (Linnaeus) Rafinesque USA: Connecticut Canaan: Canaan J. W. Robbins
NEBC: 00728555 Galearis spectabilis (Linnaeus) Rafinesque USA: Connecticut Norfolk: Norfolk J. W. Robbins
AMES: 02051044 Listera convallarioides (Swartz) Nuttall ex Elliott USA: Michigan [no additional data] J. W. Robbins 154
NEBC: 01056331 Platanthera orbiculata (Pursh) Lindley USA: Connecticut Colebrook: Colebrook J. W. Robbins 110
NEBC: 00700757 Tipularia discolor (Pursh) Nuttall USA: Massachusetts Marthas Vineyard J. W. Robbins
Orobanchaceae NEBC: 01582021 Aureolaria flava (Linnaeus) Farwell USA: Connecticut New Haven: [no additional data] J. W. Robbins
GH: 02082029 Melampyrum lineare Desrousseaux USA: Michigan Portage Lake J. W. Robbins 69a
Orthotrichaceae NEBC: 00825913 Orthotrichum cupulatum Hoffmann ex Bridel USA: Massachusetts Uxbridge: [no additional data] J. W. Robbins
Papaveraceae NEBC: 00669976 Corydalis sempervirens (Linnaeus) Persoon USA: Connecticut Winchester: Winchester J. W. Robbins
NEBC: 00669977 Corydalis sempervirens (Linnaeus) Persoon USA: Connecticut New Haven: New Haven J. W. Robbins
NEBC: 00722177 Dicentra canadensis (Goldie) Walpers USA: Connecticut Colebrook: Colebrook J. W. Robbins
Phrymaceae NEBC: 01582014 Phryma leptostachya Linnaeus USA: Connecticut New Haven: [no additional data] J. W. Robbins
Plagiotheciaceae NEBC: 00849321 Plagiothecium sylvaticum (Bridel) Schimper USA: New England: [data not captured] J. W. Robbins
Plantaginaceae NEBC: 00775011 Callitriche palustris Linnaeus USA: New Hampshire Craftsbury J. W. Robbins 39
GH: 01998610 Collinsia parviflora Lindley USA: Michigan [data not captured] J. W. Robbins 160
NEBC: 01582018 Linaria canadensis (Linnaeus) Dumont Courset USA: Connecticut New Haven: [no additional data] J. W. Robbins
GH: 00707177 Veronica americana Schweinitz ex Bentham USA: Connecticut Colebrook: Colebrook J. W. Robbins
NEBC: 01582008 Veronica americana Schweinitz ex Bentham USA: Connecticut Colebrook: [no additional data] J. W. Robbins
NEBC: 01582016 Veronica scutellata Linnaeus USA: Connecticut New Haven: [no additional data] J. W. Robbins
Poaceae NEBC: 00595099 Deschampsia caespitosa (Linnaeus) P. Beauvois USA: Maine Taconic falls, Kennebec River [probably the ... J. W. Robbins
NEBC: 00700175 Sphenopholis obtusata (Michaux) Scribner USA: Vermont Newport: Newport J. W. Robbins
Polygalaceae NEBC: 01583741 Polygala nuttallii Torr. & A. Gray USA: Massachusetts Martha's Vineyard: J. W. Robbins
Polygonaceae NEBC: 00736920 Antenoron virginianum (Linnaeus) Roberty & Vautier USA: Vermont Castleton: Castleton J. W. Robbins 89
NEBC: 00762721 Polygonum careyi Olney USA: Massachusetts Amherst: Amherst J. W. Robbins 89
NEBC: 00722283 Polygonum erectum Linnaeus USA: Connecticut Norfolk: Norfolk J. W. Robbins 89
GH: 00689226 Polygonum glaucum Nuttall USA: Massachusetts Uxbridge: Uxbridge J. W. Robbins
NEBC: 00866143 Polygonum prolificum (Small) B. L. Robinson USA: Connecticut Stratford: Stratford J. W. Robbins 89
NEBC: 00736920 Polygonum virginianum Linnaeus USA: Vermont Castleton: Castleton J. W. Robbins 89
NEBC: 00650067 Rumex britannica Linnaeus USA: Vermont Alburg J. W. Robbins 89
NEBC: 00675651 Rumex maritimus fueginus (Philippi) Dusén USA: Rhode Island Block Island J. W. Robbins 89
NEBC: 00759669 Rumex obtusifolius Linnaeus USA: Connecticut New Haven: New Haven J. W. Robbins 89
Polytrichaceae NEBC: 00522237 Atrichum angustatum (Bridel) Bruch & Schimper USA: Massachusetts Uxbridge: [no additional data] J. W. Robbins
Pontederiaceae NEBC: 00700413 Heteranthera dubia MacMillan USA: Vermont J. W. Robbins 117
NEBC: 00700450 Heteranthera reniformis Ruiz & Pavon USA: Connecticut Derby: Derby J. W. Robbins 117
Portulacaceae NEBC: 00759810 Claytonia virginica Linnaeus USA: Connecticut Canaan: Canaan J. W. Robbins 16
Potamogetonaceae GH: 00022668 Potamogeton gemmiparus J. W. Robbins ex Morong USA: in stagnis et fossis vallis fluvii Blackston... J. W. Robbins
GH: 00273587 Potamogeton gemmiparus J. W. Robbins ex Morong USA: New England: J. W. Robbins
GH: 00273588 Potamogeton gemmiparus J. W. Robbins ex Morong USA: New England: J. W. Robbins
GH: 00273590 Potamogeton gemmiparus J. W. Robbins ex Morong USA: New England: J. W. Robbins
GH: 00273585 Potamogeton gramineus Linnaeus USA: Rhode Island Apponaug Pond J. W. Robbins
GH: 01050697 Potamogeton gramineus Linnaeus USA: Rhode Island Warwick: e lacu ad Apponaug R.I. J. W. Robbins
GH: 00273585 Potamogeton gramineus myriophyllus J. W. Robbins USA: Rhode Island Apponaug Pond J. W. Robbins
GH: 01050697 Potamogeton gramineus myriophyllus J. W. Robbins USA: Rhode Island Warwick: e lacu ad Apponaug R.I. J. W. Robbins
GH: 01050697 Potamogeton gramineus myriophyllus (J. W. Robbins) Morong USA: Rhode Island Warwick: e lacu ad Apponaug R.I. J. W. Robbins
GH: 00273585 Potamogeton heterophyllus myriophyllus (J. W. Robbins) Morong USA: Rhode Island Apponaug Pond J. W. Robbins
NEBC: 00026446 Potamogeton oakesianus J. W. Robbins USA: Massachusetts Uxbridge: J. W. Robbins
GH: 00306062 Potamogeton pulcher Tuckerman USA: Massachusetts Stoneham: [Middlesex Fells Reservation] Spot... J. W. Robbins
GH: 00306064 Potamogeton pulcher Tuckerman USA: Massachusetts Stoneham: [Middlesex Fells Reservation] Spot... J. W. Robbins
GH: 00273587 Potamogeton pusillus Linnaeus USA: New England: J. W. Robbins
GH: 00022668 Potamogeton pusillus gemmiparus J. W. Robbins USA: in stagnis et fossis vallis fluvii Blackston... J. W. Robbins
GH: 00273587 Potamogeton pusillus gemmiparus J. W. Robbins USA: New England: J. W. Robbins
GH: 00273588 Potamogeton pusillus gemmiparus J. W. Robbins USA: New England: J. W. Robbins
GH: 00273590 Potamogeton pusillus gemmiparus J. W. Robbins USA: New England: J. W. Robbins
GH: 00700696 Potamogeton pusillus tenuissimus Mertens & Koch USA: Massachusetts J. W. Robbins
GH: 00700699 Potamogeton pusillus tenuissimus Mertens & Koch USA: Massachusetts J. W. Robbins
GH: 00700700 Potamogeton pusillus tenuissimus Mertens & Koch USA: Massachusetts J. W. Robbins
NEBC: 00700710 Potamogeton pusillus tenuissimus Mertens & Koch USA: Massachusetts Uxbridge: Uxbridge J. W. Robbins
Primulaceae GH: 01920776 Lysimachia borealis (Rafinesque) U. Manns & Anderberg USA: Michigan Keweenaw Co. J. W. Robbins 38a
NEBC: 00502794 Lysimachia hybrida Michaux USA: Connecticut New Haven: New Haven J. W. Robbins
NEBC: 00502793 Lysimachia hybrida Michaux USA: Connecticut New Haven: New Haven J. W. Robbins 286
Ranunculaceae NEBC: 00562161 Actaea pachypoda Elliott USA: Rhode Island Colebrook J. W. Robbins
NEBC: 01034506 Actaea rubra (Aiton) Willdenow USA: Connecticut Acton J. W. Robbins
GH: 00015809 Anemone cylindrica alba Oakes USA: Vermont Castleton J. W. Robbins
NEBC: 00485499 Aquilegia canadensis Linnaeus USA: Connecticut Canaan: Canaan J. W. Robbins
NEBC: 01565131 Halerpestes cymbalaria (Pursh) Green USA: Massachusetts Pittsfield: [no additional data] J. W. Robbins
NEBC: 00595951 Hepatica acutiloba de Candolle USA: Vermont Whiting: Whiting J. W. Robbins
NEBC: 00768642 Ranunculus ambigens S. Watson USA: Connecticut New Haven: New Haven J. W. Robbins
NEBC: 01015801 Ranunculus flabellaris Rafinesque USA: Vermont Albany: Albany J. W. Robbins
NEBC: 00692428 Ranunculus flammula Linnaeus USA: Maine Bowdoinham: Bowdoinham J. W. Robbins
NEBC: 01034779 Ranunculus flammula filiformis (Michaux) Hooker USA: Maine Winthrop: Winthrop J. W. Robbins
GH: 01664313 Ranunculus flammula filiformis (Michaux) Hooker USA: Michigan Lake Superior J. W. Robbins
NEBC: 00719020 Ranunculus pensylvanicus Linnaeus f. USA: Vermont Albany: Albany J. W. Robbins
NEBC: 00580616 Ranunculus repens Linnaeus USA: Connecticut Colebrook: Colebrook J. W. Robbins
Rhamnaceae GH: 01789831 Ceanothus herbaceus Rafinesque USA: Vermont Burlington: [no additional data] J. W. Robbins
Rhytidiaceae NEBC: 00900493 Rhytidiadelphus loreus (Hedwig) Warnstorf USA: Massachusetts Uxbridge: [data not captured] J. W. Robbins
Rosaceae NEBC: 00661581 Amelanchier bartramiana (Tausch) M. Roemer USA: Vermont Duxbury: 3/4s up Camels Rump [Hump] J. W. Robbins 33
NEBC: 00661634 Amelanchier humilis Wiegand USA: Vermont North Hero: North Hero J. W. Robbins 33
NEBC: 02577701 Aronia arbutifolia (Linnaeus) Persoon USA: Connecticut Canaan: [no additional data] J. W. Robbins
NEBC: 00709434 Crataegus punctata Jacquin USA: Vermont Charlotte: Charlotte J. W. Robbins 33
NEBC: 00724428 Geum canadense Jacquin USA: Massachusetts Revere: Revere J. W. Robbins
NEBC: 00724519 Geum canadense Jacquin USA: Connecticut Colebrook: Colebrook J. W. Robbins 33
NEBC: 00669603 Geum fragarioides (Michaux) Smedmark USA: Vermont Castleton: Castleton J. W. Robbins 33
GH: 00653141 Potentilla simplex Michaux USA: Massachusetts [no additional data] J. W. Robbins
NEBC: 00517961 Prunus americana Marshall USA: Vermont Castleton: Castleton J. W. Robbins 33
GH: 01603528 Rubus canadensis Linnaeus USA: Michigan Keweenaw Co. L. Sup. J. W. Robbins 23a
NEBC: 01620295 Rubus hispidus Linnaeus USA: Massachusetts Uxbridge: [no additional data] J. W. Robbins
NEBC: 01620298 Sanguisorba canadensis Linnaeus USA: Connecticut [no additional data] J. W. Robbins
Rubiaceae GH: 00670437 Houstonia longifolia Gaertner USA: Maine Winslow: Winslow J. W. Robbins
GH: 00670462 Houstonia longifolia Gaertner USA: Vermont Fair Haven: Fair Haven J. W. Robbins
Rutaceae NEBC: 01070819 Zanthoxylum americanum Miller USA: Connecticut Canaan: Canaan J. W. Robbins 24
Salicaceae NEBC: 00659936 Populus balsamifera Linnaeus USA: Vermont West Haven: West Haven J. W. Robbins 104
NEBC: 00688426 Populus deltoides Marsh USA: Vermont North Hero: North Hero J. W. Robbins 104
NEBC: 00756181 Populus deltoides Marsh USA: Vermont Orwell: Orwell J. W. Robbins 104
NEBC: 00724201 Populus grandidentata Michaux USA: Connecticut Canaan: Canaan J. W. Robbins 104
NEBC: 00771776 Populus jackii Sargent USA: Vermont Hyde Park: Hyde Park J. W. Robbins 194
NEBC: 00769900 Salix eriocephala Michaux USA: Connecticut Colebrook: Colebrook J. W. Robbins 104
NEBC: 00769901 Salix eriocephala Michaux USA: Connecticut J. W. Robbins
NEBC: 00763591 Salix nigra Marshall USA: Vermont Hubbardston J. W. Robbins 104
NEBC: 00646140 Salix pedicellaris Pursh USA: Vermont Burlington: Burlington J. W. Robbins 104
NEBC: 00641223 Salix sericea Marshall USA: Connecticut Colebrook: Colebrook J. W. Robbins 104
Santalaceae GH: 00686060 Geocaulon lividum (Richardson) Fernald USA: Michigan Keweenaw Peninsula J. W. Robbins 97
Sarraceniaceae NEBC: 00232106 Sarracenia purpurea Linnaeus USA: Connecticut Cornwall: Cream Hill Pond J. W. Robbins
Saxifragaceae NEBC: 01008293 Heuchera americana Linnaeus USA: Connecticut Derby: Derby J. W. Robbins 35
NEBC: 00640690 Ribes cynosbati Linnaeus USA: Vermont Danby: Danby J. W. Robbins 35
NEBC: 00730642 Ribes hirtellum Michaux USA: Vermont Hubbardton: Hubbardton J. W. Robbins 35
Selaginellaceae GH: 02075718 Selaginella rupestris (Linnaeus) Spring USA: Michigan [Lake Superior] J. W. Robbins
GH: 02366990 Selaginella selaginoides (Linnaeus) P. Beauvois ex Schrank & Martius : US and Canada (countries only and not Greenl... J. W. Robbins 134
Thuidiaceae NEBC: 00537438 Anomodon rostratus (Hedwig) Schimper USA: Connecticut Norfolk: [no additional data] J. W. Robbins
Thymelaeaceae NEBC: 00754264 Dirca palustris Linnaeus USA: Vermont Bennington: Bennington J. W. Robbins 94
Ulmaceae NEBC: 00721819 Celtis occidentalis Linnaeus USA: Connecticut Farmington: Farmington J. W. Robbins 99
NEBC: 00721821 Celtis occidentalis Linnaeus USA: Connecticut Farmington: Farmington J. W. Robbins
Urticaceae NEBC: 00643897 Parietaria pensylvanica Muhlenberg ex Willdenow USA: Connecticut Monroe: Monroe J. W. Robbins 99
NEBC: 00523657 Urtica dioica Linnaeus USA: Connecticut Colebrook: Colebrook J. W. Robbins 99
NEBC: 00523658 Urtica dioica Linnaeus USA: Connecticut Norfolk: Norfolk J. W. Robbins 99
Valerianaceae NEBC: 00698127 Valeriana uliginosa (Torr. & A. Gray) Rydb. USA: Vermont Craftsbury: Craftsbury J. W. Robbins
Verbenaceae NEBC: 01582013 Verbena urticifolia Linnaeus USA: Connecticut Colebrook: [no additional data] J. W. Robbins
Violaceae GH: 02144921 Viola adunca Smith USA: Michigan Hancock L[ake] Sup[erior] J. W. Robbins 127a
NEBC: 00760572 Viola palmata Linnaeus USA: New York J. W. Robbins
NEBC: 00760570 Viola palmata Linnaeus USA: Connecticut J. W. Robbins
NEBC: 00687654 Viola renifolia A. Gray USA: Vermont Fair Haven: Fair Haven J. W. Robbins
Xyridaceae NEBC: 00853101 Xyris torta Smith USA: Connecticut New Haven: New Haven J. W. Robbins 118