NEBC: 00740803 [bad data, blank import] USA: Maine Cumberland: Cumberland E. B. Chamberlain & C. H. Knowlton 533 1903-7-30
GH: 01029318 [bad data, blank import] USA: Maine Cumberland: Cumberland E. B. Chamberlain & C. H. Knowlton 522 1903-7-27
Alliaceae NEBC: 00734276 Allium tricoccum Aiton USA: Maine Strong: Strong E. B. Chamberlain & C. H. Knowlton 1904-8-31
Apiaceae NEBC: 00483600 Cicuta bulbifera Linnaeus USA: Maine Strong: Strong E. B. Chamberlain & C. H. Knowlton 1904-8-30
NEBC: 01036045 Coelopleurum lucidum (Linnaeus) Fernald USA: Maine Cumberland: Cumberland E. B. Chamberlain & C. H. Knowlton 529 1903-7-30
NEBC: 00523858 Conium maculatum Linnaeus USA: Maine E. B. Chamberlain & C. H. Knowlton 582 1903-8-1
NEBC: 00523859 Conium maculatum Linnaeus USA: Maine E. B. Chamberlain & C. H. Knowlton 582 1903-8-1
Apocynaceae GH: 02179642 Apocynum cannabinum Linnaeus Canada: Quebec Province Centre-du-Québec (Quebec): South shore of S... E. B. Chamberlain & C. H. Knowlton 1923-7-31
GH: 02179641 Apocynum cannabinum Linnaeus Canada: Quebec Province Compton. E. B. Chamberlain & C. H. Knowlton 1923-7-29
Araceae GH: 01654145 Arisaema triphyllum (Linnaeus) Schott Canada: Quebec Province Estrie (Quebec): Cleveland, Richmond County E. B. Chamberlain & C. H. Knowlton 1923-7-26
Aristolochiaceae GH: 01681975 Asarum canadense Linnaeus Canada: Quebec Province [data not captured] E. B. Chamberlain & C. H. Knowlton 1923-7-26
Asteraceae NEBC: 00566223 Arctium minus (Hill) Bernhardi USA: Maine Strong: Strong E. B. Chamberlain & C. H. Knowlton 1904-8-31
NEBC: 01008004 Bidens vulgata Greene USA: Maine Strong: Strong E. B. Chamberlain & C. H. Knowlton 1904-8-30
GH: 02205034 Doellingeria umbellata (Miller) Nees Canada: Quebec Province Sherbrooke: [data not captured] E. B. Chamberlain & C. H. Knowlton 1923-7-29
NEBC: 01019367 Doellingeria umbellata (Miller) Nees USA: Maine Strong: Strong E. B. Chamberlain & C. H. Knowlton 1904-8-30
NEBC: 01052437 Erigeron strigosus Muhlenberg ex Willdenow USA: Maine Strong: Strong E. B. Chamberlain & C. H. Knowlton 1904-9-1
NEBC: 00574194 Eurybia macrophylla (Linnaeus) Cassini USA: Maine Strong: Strong E. B. Chamberlain & C. H. Knowlton 1904-8-30
NEBC: 01053827 Gnaphalium uliginosum Linnaeus USA: Maine Farmington: Farmington E. B. Chamberlain & C. H. Knowlton 1904-9-2
NEBC: 01038426 Helianthus decapetalus Linnaeus USA: Maine Strong: Strong E. B. Chamberlain & C. H. Knowlton 1904-8-30
NEBC: 01067252 Hieracium fassettii Lepage USA: Maine Farmington: Farmington E. B. Chamberlain & C. H. Knowlton 1904-9-2
GH: 01832165 Hieracium kalmii Linnaeus Canada: Quebec Province [data not captured] E. B. Chamberlain & C. H. Knowlton 1923-8-1
GH: 01832164 Hieracium kalmii Linnaeus Canada: Quebec Province [data not captured] E. B. Chamberlain & C. H. Knowlton 1923-8-1
NEBC: 00833416 Hieracium paniculatum Linnaeus USA: Maine Strong: Strong E. B. Chamberlain & C. H. Knowlton 1904-8-30
GH: 01832825 Hieracium scabrum Michaux Canada: Quebec Province Champlain: [data not captured] E. B. Chamberlain & C. H. Knowlton 1923-8-1
NEBC: 00637878 Inula helenium Linnaeus USA: Maine Cumberland: [data not captured] E. B. Chamberlain & C. H. Knowlton 1903-7-28
NEBC: 00833872 Lactuca biennis (Moench) Fernald USA: Maine Falmouth: Falmouth E. B. Chamberlain & C. H. Knowlton 542 1903-7-30
GH: 01834225 Lactuca canadensis Linnaeus Canada: Quebec Province [data not captured] E. B. Chamberlain & C. H. Knowlton 1923-7-29
NEBC: 00833933 Lactuca canadensis Linnaeus USA: Maine Strong: Strong E. B. Chamberlain & C. H. Knowlton 1904-8-30
NEBC: 01066350 Pseudognaphalium macounii (Greene) Kartesz USA: Maine Farmington: Farmington E. B. Chamberlain & C. H. Knowlton 1904-9-2
NEBC: 01023248 Pseudognaphalium obtusifolium (Linnaeus) Hilliard & B. L. Burtt USA: Maine Farmington: Farmington E. B. Chamberlain & C. H. Knowlton 1904-9-2
NEBC: 01055409 Solidago flexicaulis Linnaeus USA: Maine West Falmouth E. B. Chamberlain & C. H. Knowlton 514 1903-7-28
GH: 01062944 Solidago gigantea Aiton USA: Maine Farmington: Farmington E. B. Chamberlain & C. H. Knowlton 1904-9-2
NEBC: 01054614 Solidago hispida Muhlenberg ex Willdenow USA: Maine Farmington: Farmington E. B. Chamberlain & C. H. Knowlton 1904-9-2
NEBC: 01054964 Solidago macrophylla Pursh USA: Maine Strong: Strong E. B. Chamberlain & C. H. Knowlton 1904-8-31
NEBC: 01056772 Solidago squarrosa Nuttall USA: Maine Strong: Strong E. B. Chamberlain & C. H. Knowlton 1904-8-30
NEBC: 01031727 Symphyotrichum puniceum (Linnaeus) Á. Löve & D. Löve USA: Maine Avon: Avon E. B. Chamberlain & C. H. Knowlton 1904-8-30
Athyriaceae NEBC: 00577950 Cystopteris bulbifera (Linnaeus) Bernhardi USA: Maine Farmington: Farmington E. B. Chamberlain & C. H. Knowlton 1904-9-2
Brassicaceae GH: 00999234 Cardamine pensylvanica Muhlenberg ex Willdenow Canada: Quebec Province [data not captured] E. B. Chamberlain & C. H. Knowlton 1923-7-31
NEBC: 00558713 Cardamine pensylvanica Muhlenberg ex Willdenow USA: Maine Farmington: Farmington E. B. Chamberlain & C. H. Knowlton 1902-7-17
NEBC: 00660282 Draba arabisans Michaux USA: Maine Strong: Strong E. B. Chamberlain & C. H. Knowlton 1904-8-31
NEBC: 00617702 Erysimum cheiranthoides Linnaeus USA: Maine Avon: Avon E. B. Chamberlain & C. H. Knowlton 1904-8-31
Caryophyllaceae NEBC: 00722724 Sagina nodosa (Linnaeus) Fenzl USA: Maine Harpswell: Harpswell E. B. Chamberlain & C. H. Knowlton 579 1903-8-1
NEBC: 00693331 Spergularia marina (Linnaeus) Grisebach USA: Maine Scarborough: Scarborough E. B. Chamberlain & C. H. Knowlton 560 1903-7-31
Chenopodiaceae NEBC: 00732505 Suaeda linearis (Elliott) Moquin-Tandon USA: Maine Cumberland: Cumberland E. B. Chamberlain & C. H. Knowlton 531 1903-7-30
Clethraceae A: 00866993 Clethra alnifolia Linnaeus USA: Massachusetts Natick: Natick E. B. Chamberlain & C. H. Knowlton 1907-8-25
Cyperaceae GH: 02392298 Carex brunnescens sphaerostachya (Tuckerman) Kükenthal Canada: Quebec Province [data not captured] E. B. Chamberlain & C. H. Knowlton 1923-7-30
GH: 02391527 Carex echinata Murray Canada: Quebec Province [data not captured] E. B. Chamberlain & C. H. Knowlton 1923-8-3
GH: 02391554 Carex echinata Murray Canada: Quebec Province [data not captured] E. B. Chamberlain & C. H. Knowlton 1923-7-29
NEBC: 00242604 Carex flava Linnaeus USA: Maine Farmington: E. B. Chamberlain & C. H. Knowlton 1902-7-15
NEBC: 00869527 Carex flava Linnaeus USA: Maine Farmington E. B. Chamberlain & C. H. Knowlton 1902-7-15
GH: 01772464 Carex intumescens Rudge Canada: Quebec Province [data not captured] E. B. Chamberlain & C. H. Knowlton 1923-7-29
NEBC: 00869152 Carex lupulina Muhlenberg ex Willdenow USA: Maine Falmouth: Falmouth E. B. Chamberlain & C. H. Knowlton 493 1903-7-28
NEBC: 00869527 Carex lurida Wahlenberg USA: Maine Farmington E. B. Chamberlain & C. H. Knowlton 1902-7-15
GH: 00576933 Carex spicata Hudson USA: Maine Portland: Portland E. B. Chamberlain & C. H. Knowlton 1906-6-29
GH: 02395824 Carex stipata Muhlenberg ex Willdenow Canada: Quebec Province Sherbrooke: [data not captured] E. B. Chamberlain & C. H. Knowlton 1923-7-29
GH: 01058302 Carex utriculata Boott USA: Maine Cumberland: Cumberland E. B. Chamberlain & C. H. Knowlton 483 1903-7-27
NEBC: 01043157 Carex viridula Michaux USA: Maine Scarborough: Scarborough E. B. Chamberlain & C. H. Knowlton 546 1903-7-31
NEBC: 01043541 Cyperus dentatus Torrey USA: Maine Chesterville: Chesterville E. B. Chamberlain & C. H. Knowlton 1904-8-28
NEBC: 01043738 Cyperus diandrus Torrey USA: Maine Strong: Strong E. B. Chamberlain & C. H. Knowlton 1904-9-1
NEBC: 01042500 Eleocharis acicularis (Linnaeus) Roemer & Schultes USA: Maine Strong: Strong E. B. Chamberlain & C. H. Knowlton 1904-8-30
NEBC: 00770552 Eleocharis obtusa (Willdenow) Schultes USA: Maine Strong: Strong E. B. Chamberlain & C. H. Knowlton 1904-9-1
NEBC: 01048568 Eleocharis parvula (Roemer & Schultes) Link ex Bluff, Nees & Schauer USA: Maine Falmouth: Falmouth E. B. Chamberlain & C. H. Knowlton 1905-9-13
NEBC: 01048569 Eleocharis parvula (Roemer & Schultes) Link ex Bluff, Nees & Schauer USA: Maine Scarborough: Scarborough E. B. Chamberlain & C. H. Knowlton 556 1903-7-31
NEBC: 01060577 Eriophorum tenellum Nuttall USA: Maine Cumberland: Cumberland E. B. Chamberlain & C. H. Knowlton 482 1903-7-27
NEBC: 01043027 Eriophorum viridicarinatum (Engelmann) Fernald USA: Maine Portland: Portland E. B. Chamberlain & C. H. Knowlton 1906-6-29
NEBC: 01160624 Scirpus hattorianus Makino USA: Maine Farmington: Farmington E. B. Chamberlain & C. H. Knowlton 1904-9-2
GH: 00808174 Scirpus microcarpus J. Presl & C. Presl USA: Maine Farmington: Farmington E. B. Chamberlain & C. H. Knowlton 1902-7-15
NEBC: 00808175 Scirpus microcarpus J. Presl & C. Presl USA: Maine Farmington: Farmington E. B. Chamberlain & C. H. Knowlton 1902-7-15
NEBC: 00808176 Scirpus microcarpus J. Presl & C. Presl USA: Maine Farmington: Farmington E. B. Chamberlain & C. H. Knowlton 1902-7-15
NEBC: 00808238 Scirpus microcarpus J. Presl & C. Presl USA: Maine Cumberland: Cumberland E. B. Chamberlain & C. H. Knowlton 522 1903-7-29
NEBC: 00638694 Scirpus purshianus Fernald USA: Maine Strong: Strong E. B. Chamberlain & C. H. Knowlton 1904-8-30
Dennstaedtiaceae NEBC: 00677938 Dennstaedtia punctilobula (Michaux) T. Moore USA: Maine Strong: Strong E. B. Chamberlain & C. H. Knowlton 1904-8-30
Dicranaceae FH: 00902664 Rhabdoweisia crispata (Dickson ex Withering) Lindberg Canada: Quebec Province [data not captured] E. B. Chamberlain & C. H. Knowlton 1923-7-30
Dryopteridaceae NEBC: 00667543 Dryopteris campyloptera (Kunze) Clarkson USA: Maine Strong: Strong E. B. Chamberlain & C. H. Knowlton 1904-8-31
NEBC: 00708787 Dryopteris carthusiana (Villars) H. P. Fuchs USA: Maine Chesterville: Chesterville E. B. Chamberlain & C. H. Knowlton 1904-8-28
NEBC: 00708845 Dryopteris carthusiana (Villars) H. P. Fuchs USA: Maine Cumberland: Cumberland E. B. Chamberlain & C. H. Knowlton 510 1903-7-28
Ericaceae NEBC: 00707869 Arctostaphylos uva-ursi (Linnaeus) Sprengel USA: Maine Old Orchard Beach: Old Orchard Beach E. B. Chamberlain & C. H. Knowlton 563 1903-7-31
GH: 01591212 Epigaea repens Linnaeus Canada: Quebec Province Champlain: Cap Magdaleine; nothwest of Three... E. B. Chamberlain & C. H. Knowlton 1923-8-1
A: 01078719 Eubotrys racemosa (Linnaeus) Nuttall USA: Massachusetts Natick: Natick, bank of Charles River E. B. Chamberlain & C. H. Knowlton 1907-8-25
GH: 01591782 Gaultheria hispidula (Linnaeus) Muhlenberg Canada: Quebec Province Sherbrooke: Eastern Townships; Ascot E. B. Chamberlain & C. H. Knowlton 1923-7-29
GH: 01761250 Pyrola elliptica Nuttall Canada: Quebec Province [data not captured] E. B. Chamberlain & C. H. Knowlton 1923-7-26
GH: 01763484 Rhododendron groenlandicum (Oeder) Kron & Judd Canada: Quebec Province [data not captured] E. B. Chamberlain & C. H. Knowlton 1923-7-29
Euphorbiaceae NEBC: 00754962 Chamaesyce maculata Gray USA: Maine Farmington: Farmington E. B. Chamberlain & C. H. Knowlton 1904-9-2
Fabaceae GH: 02130075 Melilotus albus Medikus Canada: Quebec Province [data not captured] E. B. Chamberlain & C. H. Knowlton 1923-7-26
GH: 02345802 Vicia cracca Linnaeus Canada: Quebec Province [data not captured] E. B. Chamberlain & C. H. Knowlton 1923-7-31
GH: 02345800 Vicia cracca Linnaeus Canada: Quebec Province [data not captured] E. B. Chamberlain & C. H. Knowlton 1923-7-26
NEBC: 00591982 Vicia tetrasperma (Linnaeus) Schreber USA: Maine Cumberland: Cumberland E. B. Chamberlain & C. H. Knowlton 1903-7-29
NEBC: 00591984 Vicia tetrasperma (Linnaeus) Schreber USA: Maine Cumberland: Cumberland E. B. Chamberlain & C. H. Knowlton 1903-7-29
Fagaceae NEBC: 00695213 Quercus ilicifolia Wangenheim USA: Maine Cumberland: Cumberland E. B. Chamberlain & C. H. Knowlton 504 1903-7-28
Gentianaceae NEBC: 00574804 Menyanthes trifoliata Linnaeus USA: Maine Scarborough: E. B. Chamberlain & C. H. Knowlton 549 1903-7-31
Hamamelidaceae NEBC: 00640311 Hamamelis virginiana Linnaeus USA: Maine Strong: Strong E. B. Chamberlain & C. H. Knowlton 1904-8-30
Hypericaceae NEBC: 00773125 Hypericum ellipticum Hooker USA: Maine Strong: Strong E. B. Chamberlain & C. H. Knowlton 1904-8-30
NEBC: 00773126 Hypericum ellipticum Hooker USA: Maine Farmington: Farmington E. B. Chamberlain & C. H. Knowlton 1902-7-17
Juncaceae NEBC: 01026637 Juncus anthelatus (Wiegand) R. E. Brooks USA: Maine Old Orchard Beach: Old Orchard Beach E. B. Chamberlain & C. H. Knowlton 567 1902-7-3
GH: 00879698 Juncus brevicaudatus (Engelmann) Fernald USA: Maine Farmington: Farmington E. B. Chamberlain & C. H. Knowlton 1902-7-15
GH: 02100450 Juncus bufonius Linnaeus Canada: Quebec Province [data not captured] E. B. Chamberlain & C. H. Knowlton 1923-7-31
GH: 02102713 Juncus effusus solutus (Fernald & Wiegand) Hämet-Ahti Canada: Nova Scotia [data not captured] E. B. Chamberlain & C. H. Knowlton 1923-7-26
NEBC: 00859109 Juncus filiformis Linnaeus USA: Maine Strong: Strong E. B. Chamberlain & C. H. Knowlton 1904-8-30
GH: 00860134 Juncus greenei Oakes & Tuckerman USA: Maine Washington: Washington E. B. Chamberlain & C. H. Knowlton 1902-7-16
GH: 02400918 Juncus nodosus Linnaeus Canada: Quebec Province [data not captured] E. B. Chamberlain & C. H. Knowlton 1923-7-26
GH: 02400904 Juncus nodosus Linnaeus Canada: Quebec Province [data not captured] E. B. Chamberlain & C. H. Knowlton 1923-8-2
GH: 02399767 Juncus pylaei Laharpe Canada: Quebec Province [data not captured] E. B. Chamberlain & C. H. Knowlton 1923-8-2
GH: 02399765 Juncus pylaei Laharpe Canada: Quebec Province [data not captured] E. B. Chamberlain & C. H. Knowlton 1923-8-2
GH: 02398856 Juncus tenuis Willdenow Canada: Quebec Province [data not captured] E. B. Chamberlain & C. H. Knowlton 1923-7-31
NEBC: 00817029 Juncus tenuis Willdenow USA: Maine Strong: Strong E. B. Chamberlain & C. H. Knowlton 1904-9-1
GH: 02463190 Juncus vaseyi Engelmann Canada: Quebec Province Shawinigan Falls, on St. Maurice River E. B. Chamberlain & C. H. Knowlton 1923-8-1
GH: 02463183 Juncus vaseyi Engelmann Canada: Quebec Province Shawinigan Falls, on St. Maurice River E. B. Chamberlain & C. H. Knowlton 1923-8-1
Lamiaceae NEBC: 00612357 Thymus pulegioides Linnaeus USA: Maine Farmington: Farmington E. B. Chamberlain & C. H. Knowlton 1902-7-15
Lentibulariaceae NEBC: 00574938 Utricularia cornuta Michaux USA: Maine Strong: Strong E. B. Chamberlain & C. H. Knowlton 1904-8-31
Liliaceae NEBC: 00880747 Lilium philadelphicum Linnaeus USA: Maine Falmouth: Falmouth E. B. Chamberlain & C. H. Knowlton 495 1903-7-28
NEBC: 00817950 Maianthemum stellatum (Linnaeus) Link USA: Maine Scarborough: Scarborough E. B. Chamberlain & C. H. Knowlton 561 1903-7-31
Lycopodiaceae NEBC: 00135785 Diphasiastrum digitatum (Dillenius ex A. Braun) Holub USA: Maine Strong: Base, Day Mountain E. B. Chamberlain & C. H. Knowlton 1904-8-31
GH: 00135786 Diphasiastrum digitatum (Dillenius ex A. Braun) Holub USA: Maine Strong: Base of Day Mountain E. B. Chamberlain & C. H. Knowlton 1904-8-31
Myricaceae NEBC: 00563271 Morella pensylvanica (Mirbel) Kartesz USA: Maine Blue Hill: Blue Hill E. B. Chamberlain & C. H. Knowlton 480 1903-7-27
Onagraceae NEBC: 01057807 Epilobium strictum Muhlenberg USA: Maine Cumberland: Cumberland E. B. Chamberlain & C. H. Knowlton 526 1903-7-30
GH: 00816212 Oenothera parviflora Linnaeus USA: Maine Cumberland: Cumberland E. B. Chamberlain & C. H. Knowlton 521 1903-7-29
NEBC: 00816213 Oenothera parviflora Linnaeus USA: Maine Cumberland: Cumberland E. B. Chamberlain & C. H. Knowlton 521 1903-7-29
Ophioglossaceae NEBC: 00639010 Botrychium dissectum Sprengel USA: Maine Farmington: Farmington E. B. Chamberlain & C. H. Knowlton 1904-9-2
Orchidaceae NEBC: 00834314 Coeloglossum viride bracteata (Muhlenberg) Grey USA: Maine Perkins E. B. Chamberlain & C. H. Knowlton 1902-7-16
NEBC: 00834315 Coeloglossum viride bracteata (Muhlenberg) Grey USA: Maine Day Mountain E. B. Chamberlain & C. H. Knowlton 1904-8-31
GH: 01937922 Cypripedium parviflorum Salisbury Canada: Quebec Province Sherbrooke: [illegible] swamp E. B. Chamberlain & C. H. Knowlton 1923-7-29
AMES: 01937964 Cypripedium parviflorum Salisbury Canada: Quebec Province Eastern Townships. Ascot E. B. Chamberlain & C. H. Knowlton 1923-7-29
AMES: 02065527 Galearis spectabilis (Linnaeus) Rafinesque Canada: Quebec Province Estrie (Quebec): Richmond County, Cleveland E. B. Chamberlain & C. H. Knowlton 1923-7-26
NEBC: 01021985 Malaxis unifolia Michaux USA: Maine Cumberland: Cumberland E. B. Chamberlain & C. H. Knowlton 1903-7-27
NEBC: 01021921 Malaxis unifolia Michaux USA: Maine Perkins E. B. Chamberlain & C. H. Knowlton 1902-7-16
NEBC: 01021925 Malaxis unifolia Michaux USA: Maine Strong: Strong E. B. Chamberlain & C. H. Knowlton 1904-8-30
AMES: 02046803 Platanthera psycodes (Linnaeus) Lindley Canada: Quebec Province North shore of Lake St. Peter, St. Lawrence ... E. B. Chamberlain & C. H. Knowlton 1923-8-2
AMES: 02046821 Platanthera psycodes (Linnaeus) Lindley Canada: Quebec Province Compton County, Coaticook E. B. Chamberlain & C. H. Knowlton 1923-7-29
Orobanchaceae NEBC: 00630668 Epifagus virginiana (Linnaeus) W. P. C. Barton USA: Maine Strong: Strong E. B. Chamberlain & C. H. Knowlton 1904-8-30
Papaveraceae NEBC: 00669910 Corydalis sempervirens (Linnaeus) Persoon USA: Maine Cumberland: Cumberland E. B. Chamberlain & C. H. Knowlton 505 1903-7-28
Plantaginaceae NEBC: 00582055 Plantago lanceolata Linnaeus USA: Maine Farmington: Farmington E. B. Chamberlain & C. H. Knowlton 1904-9-2
GH: 01802717 Plantago major Linnaeus Canada: Quebec Province [data not captured] E. B. Chamberlain & C. H. Knowlton 1923-7-31
NEBC: 00617293 Plantago major Linnaeus USA: Maine Old Orchard Beach: Old Orchard Beach E. B. Chamberlain & C. H. Knowlton 569 1903-7-31
GH: 01804838 Veronica americana Schweinitz ex Bentham Canada: Quebec Province [data not captured] E. B. Chamberlain & C. H. Knowlton 1923-7-26
NEBC: 00707032 Veronica americana Schweinitz ex Bentham USA: Maine Chesterville: Chesterville E. B. Chamberlain & C. H. Knowlton 1904-8-27
GH: 01811436 Veronica scutellata Linnaeus Canada: Quebec Province [data not captured] E. B. Chamberlain & C. H. Knowlton 1923-7-31
Poaceae NEBC: 00878053 Agrostis geminata Trinius USA: Maine Bald Mountain E. B. Chamberlain & C. H. Knowlton 1902-7-16
NEBC: 01178357 Agrostis perennans (Walter) Tuckerman USA: Maine Farmington: Farmington E. B. Chamberlain & C. H. Knowlton 1904-9-2
NEBC: 01178361 Agrostis perennans (Walter) Tuckerman USA: Maine Strong: Strong E. B. Chamberlain & C. H. Knowlton 1904-8-30
NEBC: 01175598 Agrostis scabra Willdenow USA: Maine Bald Mountain E. B. Chamberlain & C. H. Knowlton 1902-7-16
NEBC: 01175653 Agrostis scabra Willdenow USA: Maine Cumberland: Cumberland E. B. Chamberlain & C. H. Knowlton 523 1903-7-29
NEBC: 00868029 Bromus ciliatus Linnaeus USA: Maine Strong: Strong E. B. Chamberlain & C. H. Knowlton 1904-8-30
NEBC: 00880090 Bromus latiglumis (Shear) Hitchcock USA: Maine Strong: Strong E. B. Chamberlain & C. H. Knowlton 1904-8-30
NEBC: 00878322 Cinna latifolia (Treviranus ex Göppert) Grisebach USA: Maine Avon: Avon E. B. Chamberlain & C. H. Knowlton 1904-8-30
NEBC: 00737175 Dichanthelium acuminatum fasciculatum (Torrey) Freckmann & Lelong USA: Maine Farmington: Farmington E. B. Chamberlain & C. H. Knowlton 1902-7-17
NEBC: 00764687 Dichanthelium clandestinum (Linnaeus) Gould USA: Maine Cumberland: Cumberland E. B. Chamberlain & C. H. Knowlton 506 1903-7-28
NEBC: 00880420 Elymus riparius Wiegand USA: Maine Strong: Strong E. B. Chamberlain & C. H. Knowlton 1904-9-1
NEBC: 01030133 Elymus trachycaulus subsecundus (Link) Á. Löve & D. Löve USA: Maine Strong: Strong E. B. Chamberlain & C. H. Knowlton 1904-8-31
NEBC: 01149781 Milium effusum Linnaeus USA: Maine Strong: Strong E. B. Chamberlain & C. H. Knowlton 1904-8-31
NEBC: 01026874 Muhlenbergia sylvatica (Torrey) Torrey ex A. Gray USA: Maine Strong: Strong E. B. Chamberlain & C. H. Knowlton 1904-9-1
NEBC: 00853465 Panicum virgatum spissum Linder USA: Maine Scarborough: Scarborough E. B. Chamberlain & C. H. Knowlton 352 1903-7-31
NEBC: 01150855 Piptatherum racemosum (Smith) Eaton USA: Maine Strong: Strong E. B. Chamberlain & C. H. Knowlton 1904-8-31
NEBC: 01148470 Poa palustris Linnaeus USA: Maine Little Saddleback Mountain E. B. Chamberlain & C. H. Knowlton 1902-7-16
NEBC: 01148287 Schizachne purpurascens (Torrey) Swallen USA: Maine Mount Strong E. B. Chamberlain & C. H. Knowlton 1904-8-31
Polygalaceae NEBC: 00752027 Polygala polygama Walter USA: Maine Falmouth: Falmouth E. B. Chamberlain & C. H. Knowlton 496 1903-7-28
Polygonaceae GH: 02365282 Fallopia convolvulus (Linnaeus) Á. Löve Canada: Quebec Province [data not captured] E. B. Chamberlain & C. H. Knowlton 1923-8-2
GH: 02364287 Persicaria amphibia (Linnaeus) Delarbre Canada: Quebec Province [data not captured] E. B. Chamberlain & C. H. Knowlton 1923-7-31
GH: 02364286 Persicaria amphibia (Linnaeus) Delarbre Canada: Quebec Province [data not captured] E. B. Chamberlain & C. H. Knowlton 1923-7-31
NEBC: 00642504 Polygonella articulata (Linnaeus) Meisner USA: Maine Old Orchard Beach: Old Orchard Beach E. B. Chamberlain & C. H. Knowlton 1903-7-31
NEBC: 00762331 Polygonum boreale (Lange) Small USA: Maine Scarborough: Scarborough E. B. Chamberlain & C. H. Knowlton 55A 1903-7-31
GH: 00762333 Polygonum boreale (Lange) Small USA: Maine Scarborough: Scarborough E. B. Chamberlain & C. H. Knowlton 553 1903-7-31
NEBC: 00762334 Polygonum boreale (Lange) Small USA: Maine Scarborough: Scarborough E. B. Chamberlain & C. H. Knowlton 553 1903-7-31
GH: 00645708 Polygonum fowleri B. L. Robinson USA: Maine Scarborough: Scarborough E. B. Chamberlain & C. H. Knowlton 554 1903-7-31
GH: 02004490 Rumex verticillatus Linnaeus Canada: Quebec Province [data not captured] E. B. Chamberlain & C. H. Knowlton 1923-7-31
Ranunculaceae NEBC: 01013134 Clematis occidentalis (Hornemann) de Candolle USA: Maine Strong: Strong E. B. Chamberlain & C. H. Knowlton 1904-8-31
NEBC: 00575592 Clematis virginiana Linnaeus USA: Maine Farmington: Farmington E. B. Chamberlain & C. H. Knowlton 1904-9-2
NEBC: 01565052 Halerpestes cymbalaria (Pursh) Green USA: Maine Scarborough: Pine Point E. B. Chamberlain & C. H. Knowlton 551 1903-7-31
NEBC: 01020394 Ranunculus abortivus Linnaeus USA: Maine Strong: Strong E. B. Chamberlain & C. H. Knowlton 1904-8-31
Rosaceae NEBC: 00649859 Agrimonia striata Michaux USA: Maine Strong: Strong E. B. Chamberlain & C. H. Knowlton 1904-8-30
NEBC: 00661162 Amelanchier bartramiana (Tausch) M. Roemer USA: Maine Perkins E. B. Chamberlain & C. H. Knowlton 1902-7-16
NEBC: 00740633 Amelanchier stolonifera Wiegand USA: Maine Perkins E. B. Chamberlain & C. H. Knowlton 1902-7-16
NEBC: 00744513 Aronia prunifolia (Marshall) Rehder USA: Maine Harpswell: Harpswell E. B. Chamberlain & C. H. Knowlton 578 1903-8-1
NEBC: 00669221 Crataegus macracantha Loddiges ex Loudon USA: Maine Cumberland: Cumberland E. B. Chamberlain & C. H. Knowlton 535 1903-7-30
GH: 00669222 Crataegus macracantha Loddiges ex Loudon USA: Maine Cumberland: Cumberland E. B. Chamberlain & C. H. Knowlton 535 1903-7-30
GH: 00694530 Crataegus macrosperma Ashe USA: Maine Cumberland: Cumberland E. B. Chamberlain & C. H. Knowlton 532 1903-7-30
NEBC: 00709591 Crataegus schuettei Ashe USA: Maine Day Mountain E. B. Chamberlain & C. H. Knowlton 1904-8-31
NEBC: 00709592 Crataegus schuettei Ashe USA: Maine Cumberland: Cumberland E. B. Chamberlain & C. H. Knowlton 532 1903-7-30
NEBC: 00524062 Fragaria vesca americana Porter USA: Maine Falmouth: Falmouth E. B. Chamberlain & C. H. Knowlton 492 1903-7-28
NEBC: 00688955 Geum canadense Jacquin USA: Maine Strong: Strong E. B. Chamberlain & C. H. Knowlton 1904-8-30
NEBC: 00688971 Geum canadense Jacquin USA: Maine Cumberland: Cumberland E. B. Chamberlain & C. H. Knowlton 534 1903-7-30
NEBC: 00632455 Rubus sp. Linnaeus USA: Maine Farmington: Farmington E. B. Chamberlain & C. H. Knowlton 1902-7-15
Rubiaceae GH: 02138806 Galium palustre Linnaeus Canada: Quebec Province [data not captured] E. B. Chamberlain & C. H. Knowlton 1923-7-31
GH: 02139359 Galium tinctorium Linnaeus Canada: Quebec Province [data not captured] E. B. Chamberlain & C. H. Knowlton 1923-7-31
GH: 02140141 Galium triflorum Michaux Canada: Quebec Province [data not captured] E. B. Chamberlain & C. H. Knowlton 1923-7-26
Salicaceae NEBC: 00771759 Populus jackii Sargent USA: Maine Cumberland: Cumberland E. B. Chamberlain & C. H. Knowlton 509 1902-7-28
Santalaceae NEBC: 00575273 Comandra umbellata (Linnaeus) Nuttall USA: Maine Old Orchard Beach: Old Orchard Beach E. B. Chamberlain & C. H. Knowlton 564 1903-7-31
Saxifragaceae NEBC: 01017302 Chrysosplenium americanum Schweinitz ex Hooker USA: Maine Avon: Avon E. B. Chamberlain & C. H. Knowlton 1904-8-30
NEBC: 00640596 Ribes cynosbati Linnaeus USA: Maine Day Mountain E. B. Chamberlain & C. H. Knowlton 1904-8-31
NEBC: 00730857 Ribes lacustre Poiret USA: Maine Mount Strong E. B. Chamberlain & C. H. Knowlton 1904-8-31
Solanaceae NEBC: 00630114 Solanum emulans Rafinesque USA: Maine Strong: Strong E. B. Chamberlain & C. H. Knowlton 1904-9-1
Thelypteridaceae NEBC: 00631786 Phegopteris hexagonoptera (Michaux) Fée USA: Maine Strong: Strong E. B. Chamberlain & C. H. Knowlton 1904-8-30
Thymelaeaceae NEBC: 00754169 Dirca palustris Linnaeus USA: Maine Strong: Strong E. B. Chamberlain & C. H. Knowlton 1904-9-1
Urticaceae NEBC: 00705852 Pilea pumila (Linnaeus) A. Gray USA: Maine Strong: Strong E. B. Chamberlain & C. H. Knowlton 1904-8-30
Violaceae NEBC: 00773815 Viola primulifolia acuta (Bigelow) Torr. & A. Gray USA: Maine Cumberland: Cumberland E. B. Chamberlain & C. H. Knowlton 489 1903-6-27
NEBC: 00767688 Viola pubescens Aiton USA: Maine Falmouth: Falmouth E. B. Chamberlain & C. H. Knowlton 516 1903-7-28
NEBC: 00687473 Viola renifolia A. Gray USA: Maine Farmington: Farmington E. B. Chamberlain & C. H. Knowlton 1902-7-15
Woodsiaceae NEBC: 00695944 Woodsia ilvensis (Linnaeus) R. Brown USA: Maine Strong: Strong E. B. Chamberlain & C. H. Knowlton 1904-8-31