Aizoaceae NEBC: 00761241 Mollugo verticillata Linnaeus USA: Massachusetts Eastham: Eastham F. S. Collins 514 1917-9-1
Apiaceae NEBC: 00523802 Carum carvi Linnaeus USA: Massachusetts Cambridge: Cambridge, Charles River between ... F. S. Collins 1917-6-22
Asteraceae NEBC: 00531085 Achillea millefolium Linnaeus USA: Massachusetts Eastham: Eastham F. S. Collins 242 1917-7-9
NEBC: 00587353 Cirsium vulgare (Savi) Tenore USA: Massachusetts Cambridge: Cambridge, Charles River between ... F. S. Collins 1917-9-19
NEBC: 00626972 Leucanthemum vulgare Lamarck USA: Massachusetts Cambridge: Cambridge, Charles River between ... F. S. Collins 1917-6-22
NEBC: 01054091 Solidago asperula Desfontaines USA: Massachusetts Cambridge: Cambridge, Charles River between ... F. S. Collins 1917-9-19
Brassicaceae NEBC: 00602324 Thlaspi arvense Linnaeus USA: Massachusetts Cambridge: Cambridge, Charles River between ... F. S. Collins 1917-6-22
Caryophyllaceae NEBC: 00693388 Spergularia marina (Linnaeus) Grisebach USA: Massachusetts Cambridge: Cambridge, Charles River between ... F. S. Collins 1917-6-22
Chenopodiaceae NEBC: 00598977 Chenopodium glaucum Linnaeus USA: Massachusetts Cambridge: Cambridge, Charles River between ... F. S. Collins 1917-9-19
Cyperaceae NEBC: 00218065 Carex blanda Dewey USA: Massachusetts Boston: Back Bay Fens F. S. Collins 1917-6-24
NEBC: 00254616 Carex hystericina Muhlenberg ex Willdenow USA: Massachusetts Boston: Back Bay Fens F. S. Collins 1917-6-24
Ericaceae NEBC: 00484768 Kalmia angustifolia Linnaeus USA: Massachusetts Eastham: Eastham F. S. Collins 247 1917-7-9
Fabaceae NEBC: 00534340 Medicago lupulina Linnaeus USA: Massachusetts Cambridge: Cambridge, Charles River between ... F. S. Collins 1917-9-7
Hydrocharitaceae NEBC: 00635015 Elodea nuttallii (Planchon) H. St. John USA: Massachusetts Boston: Boston, Back Bay Fens F. S. Collins 1917-8-22
Juncaceae NEBC: 01178610 Juncus canadensis J. Gay ex Laharpe USA: Massachusetts Brewster: Brewster F. S. Collins 1284 1917-7-29
Onagraceae NEBC: 01041001 Epilobium coloratum Biehler USA: Massachusetts Boston: Boston, Back Bay Fens F. S. Collins 1917-8-22
Plantaginaceae NEBC: 00670362 Plantago rugelii Decaisne USA: Massachusetts Bourne: Bourne F. S. Collins 1917-7-24
Poaceae NEBC: 00835321 Agrostis stolonifera palustris (Hudson) Farwell USA: Massachusetts Cambridge: Cambridge, Charles River between ... F. S. Collins 1917-6-22
NEBC: 00613146 Bromus hordeaceus Linnaeus USA: Rhode Island Middletown: Middletown F. S. Collins 1917
NEBC: 01178260 Danthonia spicata (Linnaeus) P. Beauvois ex Roemer & Schultes USA: Massachusetts Eastham: Eastham F. S. Collins 290 1917-7-13
NEBC: 00609673 Echinochloa crus-galli (Linnaeus) P. Beauvois USA: Massachusetts Cambridge: Cambridge, Charles River between ... F. S. Collins 1917-9-7
NEBC: 00609684 Echinochloa crus-galli (Linnaeus) P. Beauvois USA: Massachusetts Boston: Boston, Back Bay Fens F. S. Collins 1917-8-22
NEBC: 01151390 Echinochloa walteri (Pursh) A. Heller USA: Massachusetts Cambridge: Cambridge, Charles River between ... F. S. Collins 1917-9-7
NEBC: 00594554 Elymus repens (Linnaeus) Gould USA: Massachusetts Cambridge: Cambridge, Charles River between ... F. S. Collins 1917-6-28
NEBC: 00855721 Eragrostis capillaris (Linnaeus) Nees USA: Massachusetts Boston: Boston, Back Bay Fens F. S. Collins 1917-8-22
NEBC: 00613466 Eragrostis cilianensis (Allioni) Vignolo ex Janchen USA: Massachusetts Boston: Boston, Back Bay Fens F. S. Collins 1917-8-22
NEBC: 00879153 Eragrostis pectinacea (Michaux) Steudel USA: Massachusetts Boston: Boston, Back Bay Fens F. S. Collins 1917-9-20
NEBC: 00613600 Festuca ovina Linnaeus USA: Massachusetts Cambridge: Cambridge, Charles River between ... F. S. Collins 1917-6-22
NEBC: 00863761 Leersia oryzoides (Linnaeus) Swartz USA: Massachusetts Cambridge: Cambridge, Charles River between ... F. S. Collins 1917-9-7
NEBC: 01151505 Panicum capillare Linnaeus USA: Massachusetts Cambridge: Cambridge, Charles River between ... F. S. Collins 1917-9-7
NEBC: 01151905 Panicum dichotomiflorum Michaux USA: Massachusetts Cambridge: Cambridge, Charles River between ... F. S. Collins 1917-9-7
NEBC: 01151932 Panicum dichotomiflorum Michaux USA: Massachusetts Boston: Boston, Back Bay Fens F. S. Collins 1917-8-22
NEBC: 00583458 Phleum pratense Linnaeus USA: Massachusetts Cambridge: Cambridge, Charles River between ... F. S. Collins 1917-6-28
NEBC: 00606298 Poa compressa Linnaeus USA: Massachusetts Cambridge: Cambridge, Charles River between ... F. S. Collins 1917-6-28
NEBC: 00583725 Poa pratensis Linnaeus USA: Massachusetts Cambridge: Cambridge, Charles River between ... F. S. Collins 1917-6-3
NEBC: 01148777 Poa sp. USA: Massachusetts Cambridge: Cambridge, Charles River between ... F. S. Collins 1917-6-22
NEBC: 01148777 Poa triflora Gilibert USA: Massachusetts Cambridge: Cambridge, Charles River between ... F. S. Collins 1917-6-22
NEBC: 00595780 Schedonorus pratensis (Hudson) P. Beauvois USA: Massachusetts Cambridge: Cambridge, Charles River between ... F. S. Collins 1917-6-22
NEBC: 00598260 Setaria pumila (Poiret) Roemer & Schultes USA: Massachusetts Cambridge: Cambridge, Charles River between ... F. S. Collins 1917-9-7
Polygonaceae NEBC: 00762345 Polygonum buxiforme Small USA: Massachusetts Cambridge: Cambridge, Charles River between ... F. S. Collins 1917-9-19
NEBC: 00630535 Polygonum hydropiper Linnaeus USA: Massachusetts Boston: Boston, Back Bay Fens F. S. Collins 1917-9-20
NEBC: 00736016 Polygonum lapathifolium Linnaeus USA: Massachusetts Cambridge: Cambridge, Charles River between ... F. S. Collins 1917-9-7
NEBC: 00736038 Polygonum lapathifolium Linnaeus USA: Massachusetts Boston: Boston, Back Bay Fens F. S. Collins 1917-9-20
NEBC: 00552256 Polygonum pensylvanicum Linnaeus USA: Massachusetts Cambridge: Cambridge F. S. Collins 1917-9-7
NEBC: 00552284 Polygonum pensylvanicum Linnaeus USA: Massachusetts Boston: Boston, Back Bay Fens F. S. Collins 1917-9-20
NEBC: 00552569 Polygonum persicaria Linnaeus USA: Massachusetts Cambridge: Cambridge, Charles River between ... F. S. Collins 1917-9-7
NEBC: 00866237 Polygonum punctatum confertiflorum (Meisner) Fassett USA: Massachusetts Cambridge: Cambridge, Charles River between ... F. S. Collins 1917-9-7
NEBC: 00866272 Polygonum ramosissimum Michaux USA: Massachusetts Cambridge: Cambridge, Charles River between ... F. S. Collins 1917-9-7
NEBC: 00866278 Polygonum ramosissimum Michaux USA: Massachusetts Boston: Boston, Back Bay Fens F. S. Collins 1917-9-20
Rosaceae NEBC: 00524348 Potentilla argentea Linnaeus USA: Massachusetts Boston: Boston, Back Bay Fens F. S. Collins 1917-6-26