Harvard University Herbaria & Libraries

Aceraceae
NEBC: 00677030 Acer pensylvanicum Linnaeus USA: Maine Alexander: Alexander C. H. Knowlton 1934-8-31
NEBC: 00677032 Acer pensylvanicum Linnaeus USA: Maine T31 MD C. H. Knowlton 1934-8-18
NEBC: 00663211 Acer saccharum Marshall USA: New Hampshire Lyme: Lyme C. H. Knowlton 1934-5-10
NEBC: 00772500 Acer saccharum nigrum (Michx. f.) Britton USA: Massachusetts Amherst: Amherst C. H. Knowlton 1934-6-6
Amaranthaceae
NEBC: 00614912 Amaranthus retroflexus Linnaeus USA: Maine Rogue Bluffs C. H. Knowlton 1934-9-5
Anacardiaceae
NEBC: 00772280 Toxicodendron rydbergii (Small ex Rydberg) Greene USA: Maine T31 MD C. H. Knowlton 1934-8-18
Apiaceae
NEBC: 00483609 Cicuta bulbifera Linnaeus USA: Maine Jonesboro: Jonesboro C. H. Knowlton 1934-9-4
NEBC: 01051116 Cryptotaenia canadensis (Linnaeus) de Candolle USA: Vermont Weybridge: Weybridge C. H. Knowlton 1934-7-24
NEBC: 01051476 Hydrocotyle americana Linnaeus USA: Vermont Burlington: Burlington C. H. Knowlton 1934-7-12
NEBC: 00483310 Sanicula marilandica Linnaeus USA: Maine Strong: Strong C. H. Knowlton 1934-6-16
NEBC: 01010303 Sium suave Walter USA: Maine T31 MD C. H. Knowlton 1934-8-18
NEBC: 00587034 Zizia aurea (Linnaeus) W. D. J. Koch USA: Vermont Guilford: Guilford C. H. Knowlton 1934-6-8
Araceae
NEBC: 01009917 Acorus americanus (Rafinesque) Rafinesque USA: Maine Whitneyville: Whitneyville C. H. Knowlton 1934-8-15
NEBC: 01081844 Arisaema triphyllum (Linnaeus) Schott USA: Maine Alexander: Alexander C. H. Knowlton 1934-8-31
Asteraceae
NEBC: 00566727 Achillea millefolium Linnaeus USA: Maine Strong: Strong C. H. Knowlton 1934-6-17
NEBC: 01066031 Anaphalis margaritacea (Linnaeus) Bentham & Hooker f. USA: Maine Alexander: Alexander C. H. Knowlton 1934-8-31
NEBC: 01066850 Bidens cernua Linnaeus USA: Maine Jonesboro: Jonesboro C. H. Knowlton 1934-9-4
NEBC: 01066855 Bidens cernua Linnaeus USA: Maine Marshfield: Marshfield C. H. Knowlton 1934-9-13
NEBC: 01037688 Bidens frondosa Linnaeus USA: Maine Perry: Perry C. H. Knowlton 1934-9-1
NEBC: 01019373 Doellingeria umbellata (Miller) Nees USA: Maine Alexander: Alexander C. H. Knowlton 1934-8-31
NEBC: 01019406 Doellingeria umbellata (Miller) Nees USA: Maine Waldoboro: Waldoboro C. H. Knowlton 1934-9-7
NEBC: 00834821 Erigeron canadensis Linnaeus USA: Maine Jonesboro: Jonesboro C. H. Knowlton 1934-9-4
NEBC: 00535957 Erigeron philadelphicus Linnaeus USA: Massachusetts Northampton: Northampton C. H. Knowlton 1934-6-7
NEBC: 01079147 Erigeron pulchellus Michaux USA: Massachusetts Whately: Whately C. H. Knowlton 1934-6-7
NEBC: 01079265 Erigeron strigosus Muhlenberg ex Willdenow USA: Vermont Chester: Chester C. H. Knowlton 1934-7-14
NEBC: 00755682 Eupatorium perfoliatum Linnaeus USA: Maine Alexander: Alexander C. H. Knowlton 1934-8-31
NEBC: 01052704 Euthamia graminifolia (Linnaeus) Nuttall USA: Maine Waldoboro: Waldoboro C. H. Knowlton 1934-9-7
NEBC: 01019034 Eutrochium maculatum (Linnaeus) E. E. Lamont USA: Maine Alexander: Alexander C. H. Knowlton 1934-8-31
NEBC: 01019038 Eutrochium maculatum (Linnaeus) E. E. Lamont USA: Maine Jonesboro: Jonesboro C. H. Knowlton 1934-9-4
NEBC: 01019042 Eutrochium maculatum (Linnaeus) E. E. Lamont USA: Maine T31 MD C. H. Knowlton 1934-8-18
NEBC: 00535668 Helianthus tuberosus Linnaeus USA: Vermont Bennington: Bennington C. H. Knowlton 1934-10-2
NEBC: 00587607 Hieracium caespitosum Dumortier USA: Maine Farmington: Farmington C. H. Knowlton 1934-6-17
NEBC: 00587649 Hieracium caespitosum Dumortier USA: Massachusetts Westfield: Westfield C. H. Knowlton 1934-6-7
NEBC: 00535084 Hieracium flagellare Willdenow USA: Massachusetts Duxbury: Duxbury C. H. Knowlton 1934-6-1
NEBC: 00833848 Lactuca biennis (Moench) Fernald USA: Maine Alexander: Alexander C. H. Knowlton 1934-8-31
NEBC: 00568729 Packera öve Á. Löve & D. Löve USA: Vermont Guilford: Guilford C. H. Knowlton 1934-6-8
NEBC: 01038849 Packera schweinitziana (Nutt.) W.A. Weber & Á. Löve USA: Maine Farmington: Farmington C. H. Knowlton 1934-6-17
NEBC: 00553005 Solidago bicolor Linnaeus USA: Maine Alexander: Alexander C. H. Knowlton 1934-8-31
NEBC: 00553010 Solidago bicolor Linnaeus USA: Maine Perry: Perry C. H. Knowlton 1934-9-1
NEBC: 01077542 Solidago canadensis Linnaeus USA: Maine Alexander: Alexander C. H. Knowlton 1934-8-31
NEBC: 01077578 Solidago canadensis Linnaeus USA: Maine Waldoboro: Waldoboro C. H. Knowlton 1934-9-7
NEBC: 01062981 Solidago gigantea Aiton USA: Maine Waldoboro: Waldoboro C. H. Knowlton 1934-9-7
NEBC: 01056607 Solidago nemoralis Aiton USA: Maine T H E D C. H. Knowlton 1934-8-31
NEBC: 01064242 Solidago puberula Nuttall USA: Maine Marshfield: Marshfield C. H. Knowlton 1934-9-13
NEBC: 01064245 Solidago puberula Nuttall USA: Maine Alexander: Alexander C. H. Knowlton 1934-8-31
NEBC: 00484932 Solidago rugosa Miller USA: Maine Alexander: Alexander C. H. Knowlton 1934-8-31
NEBC: 00484981 Solidago rugosa Miller USA: Maine Waldoboro: Waldoboro C. H. Knowlton 1934-9-7
NEBC: 01064754 Solidago squarrosa Nuttall USA: Maine Orland: Orland C. H. Knowlton 1934-9-14
NEBC: 01056879 Solidago uliginosa Nuttall USA: Maine Alexander: Alexander C. H. Knowlton 1934-8-31
NEBC: 01056895 Solidago uliginosa Nuttall USA: Maine Perry: Perry C. H. Knowlton 1934-9-1
NEBC: 00697128 Symphyotrichum lateriflorum (Linnaeus) Á. Löve & D. Löve USA: Maine Waldoboro: Waldoboro C. H. Knowlton 1934-9-7
NEBC: 00832359 Symphyotrichum novi-belgii (Linnaeus) G. L. Nesom USA: Maine Cherryfield: Cherryfield C. H. Knowlton 1934-9-13
NEBC: 00832375 Symphyotrichum novi-belgii (Linnaeus) G. L. Nesom USA: Maine Marshfield: Marshfield C. H. Knowlton 1934-9-13
NEBC: 00832382 Symphyotrichum novi-belgii (Linnaeus) G. L. Nesom USA: Maine Steuben: Steuben C. H. Knowlton 1934-9-6
NEBC: 01031286 Symphyotrichum novi-belgii (Linnaeus) G. L. Nesom USA: Massachusetts Hingham: Hingham C. H. Knowlton 1934-9-16
NEBC: 01031342 Symphyotrichum novi-belgii (Linnaeus) G. L. Nesom USA: Massachusetts Milford: Milford C. H. Knowlton 1934-9-20
GH: 01047687 Symphyotrichum ontarionis (Wiegand) G. L. Nesom USA: Maine Whitneyville: Whitneyville C. H. Knowlton 1934-8-15
NEBC: 01031745 Symphyotrichum puniceum (Linnaeus) Á. Löve & D. Löve USA: Maine Alexander: Alexander C. H. Knowlton 1934-8-31
NEBC: 01031751 Symphyotrichum puniceum (Linnaeus) Á. Löve & D. Löve USA: Maine Marshfield: Marshfield C. H. Knowlton 1934-9-13
NEBC: 01014935 Symphyotrichum tradescantii (Linnaeus) G. L. Nesom USA: Maine Whitneyville: Whitneyville C. H. Knowlton 1934-8-15
NEBC: 00637721 Taraxacum laevigatum (Willdenow) de Candolle USA: Massachusetts Hingham: Hingham C. H. Knowlton 1934-5-20
Athyriaceae
NEBC: 00678179 Athyrium filix-femina angustum (Willdenow) G. Lawson USA: Maine Alexander: Alexander C. H. Knowlton 1934-8-31
NEBC: 00662314 Gymnocarpium dryopteris (Linnaeus) Newman USA: Maine Strong: Strong C. H. Knowlton 1934-6-16
NEBC: 00662325 Gymnocarpium dryopteris (Linnaeus) Newman USA: Maine Alexander: Alexander C. H. Knowlton 1934-8-31
Betulaceae
NEBC: 00727171 Carpinus caroliniana virginiana (Marsh.) Furlow USA: Vermont Chester: Chester C. H. Knowlton 1934-7-14
NEBC: 00727302 Carpinus caroliniana virginiana (Marsh.) Furlow USA: Massachusetts Northampton: Northampton C. H. Knowlton 1934-6-7
NEBC: 00727466 Corylus cornuta Marshall USA: Maine Strong: Strong C. H. Knowlton 1934-6-16
NEBC: 00727596 Corylus cornuta Marshall USA: Vermont Chester: Chester C. H. Knowlton 1934-7-14
Boraginaceae
NEBC: 00718940 Cynoglossum officinale Linnaeus USA: Vermont Milton: Milton C. H. Knowlton 1934-7-11
NEBC: 00655250 Echium vulgare Linnaeus USA: Vermont South Hero: South Hero C. H. Knowlton 1934-7-11
NEBC: 00655251 Echium vulgare Linnaeus USA: Vermont South Hero: South Hero C. H. Knowlton 1934-7-11
Campanulaceae
NEBC: 00820163 Campanula aparinoides uliginosa (Rydberg) Gleason USA: Maine Y 31 MD C. H. Knowlton 1934-8-18
Caprifoliaceae
NEBC: 00682151 Diervilla lonicera Miller USA: Vermont Chester: Chester C. H. Knowlton 1934-7-14
NEBC: 00577573 Lonicera tatarica Linnaeus USA: Vermont Burlington: Burlington C. H. Knowlton 1934-7-12
NEBC: 00713985 Sambucus nigra canadensis (L.) R. Bolli USA: Maine Alexander: Alexander C. H. Knowlton 1934-8-31
NEBC: 00702416 Viburnum lantanoides Michaux USA: Maine C. H. Knowlton 1934-8-18
NEBC: 00611028 Viburnum nudum cassinoides (Linnaeus) Torrey & A. Gray USA: Maine T 31 MD C. H. Knowlton 1934-8-18
NEBC: 00702662 Viburnum rafinesqueanum Schultes USA: Vermont Ira: Ira C. H. Knowlton 1934-10-4
Caryophyllaceae
NEBC: 00606465 Lychnis flos-cuculi Linnaeus USA: Maine East Auburn C. H. Knowlton 1934-6-18
NEBC: 00606466 Lychnis flos-cuculi Linnaeus USA: Maine East Auburn C. H. Knowlton 1934-6-18
NEBC: 00606525 Lychnis flos-cuculi Linnaeus USA: Massachusetts Northampton: Northampton C. H. Knowlton 1934-6-7
NEBC: 00693706 Stellaria borealis Bigelow USA: Maine T26 ED C. H. Knowlton 1934-8-31
Cistaceae
NEBC: 00573607 Lechea intermedia Leggett ex Britton USA: Maine T 21 MD C. H. Knowlton 1934-8-18
NEBC: 00573641 Lechea intermedia Leggett ex Britton USA: Maine Freeport: Freeport C. H. Knowlton 1934-8-11
Cornaceae
NEBC: 00773430 Cornus alternifolia Linnaeus f. USA: Vermont Milton: Milton C. H. Knowlton 1934-7-11
NEBC: 00773580 Cornus amomum Miller USA: Vermont South Hero: South Hero C. H. Knowlton 1934-7-11
NEBC: 00760654 Cornus canadensis Linnaeus USA: Maine Strong: Strong C. H. Knowlton 1934-6-17
NEBC: 00760661 Cornus canadensis Linnaeus USA: Maine Alexander: Alexander C. H. Knowlton 1934-8-31
NEBC: 00502578 Cornus rugosa Lamarck USA: Vermont Milton: Milton C. H. Knowlton 1934-7-11
Cyperaceae
NEBC: 00221964 Carex cephaloidea (Dewey) Dewey USA: Massachusetts Whately: C. H. Knowlton 1934-6-7
NEBC: 00229360 Carex deflexa Hornemann USA: Maine Strong: C. H. Knowlton 1934-6-16
NEBC: 00242607 Carex flava Linnaeus USA: Maine Strong: C. H. Knowlton 1934-6-16
NEBC: 00242743 Carex flava Linnaeus USA: Vermont Guilford: C. H. Knowlton 1934-6-7
NEBC: 00254564 Carex hystericina Muhlenberg ex Willdenow USA: Vermont Guilford: C. H. Knowlton 1934-6-7
NEBC: 00283286 Carex intumescens Rudge USA: Maine T26 E. D. C. H. Knowlton 1934-8-31
NEBC: 00869117 Carex lupulina Muhlenberg ex Willdenow USA: Maine Alexander: Alexander C. H. Knowlton 1934-8-31
NEBC: 00854312 Carex peckii Howe ex Peck USA: Vermont Barnet: Barnet C. H. Knowlton 1934-5-11
NEBC: 00854946 Carex plantaginea Lamarck USA: Vermont Barnet: Barnet C. H. Knowlton 1934-5-11
NEBC: 00892773 Carex prasina Wahlenberg USA: Vermont Guilford: Guilford C. H. Knowlton 1934-6-7
NEBC: 00892580 Carex retrorsa Schweinitz USA: Vermont Milton: Milton C. H. Knowlton 1934-7-11
NEBC: 00802577 Carex silicea Olney USA: Maine Freeport: Freeport C. H. Knowlton 1934-8-11
NEBC: 00874631 Carex stricta Lamarck USA: Vermont Guilford: Guilford C. H. Knowlton 1934-6-7
NEBC: 01060772 Carex tuckermanii Dewey USA: Vermont Milton: Milton C. H. Knowlton 1934-7-11
NEBC: 01058510 Carex vesicaria Linnaeus USA: Maine T31 MD C. H. Knowlton 1934-8-18
NEBC: 01058220 Carex vesicaria Linnaeus USA: Vermont Milton: Milton C. H. Knowlton 1934-7-11
NEBC: 01043556 Cyperus dentatus Torrey USA: Maine Alexander: shore of Harwood Pond C. H. Knowlton 1934-8-31
NEBC: 01018080 Eleocharis palustris (Linnaeus) Roemer & Schultes USA: Maine T31 MD C. H. Knowlton 1934-8-18
NEBC: 01048545 Eleocharis parvula (Roemer & Schultes) Link ex Bluff, Nees & Schauer USA: Maine Jonesport: Jonesport C. H. Knowlton 1934-8-14
NEBC: 01048925 Eleocharis uniglumis (Link) Schultes USA: Maine Jonesport: Jonesport C. H. Knowlton 1934-8-14
NEBC: 01060378 Eriophorum gracile W. D. J. Koch ex Roth USA: Vermont Guilford: Guilford C. H. Knowlton 1934-6-8
NEBC: 01060457 Eriophorum tenellum Nuttall USA: Maine Jonesport: Jonesport C. H. Knowlton 1934-8-14
GH: 00766904 Eriophorum virginicum Linnaeus USA: Maine Roque Bluffs: Roque Bluffs C. H. Knowlton 623 1934-8-28
NEBC: 00894960 Scirpus cyperinus (Linnaeus) Kunth USA: Maine Alexander: Alexander C. H. Knowlton 1934-8-31
NEBC: 00808030 Scirpus maritimus ük. (A. Nelson) Kükenthal USA: Maine Roque Bluffs: Roque Bluffs C. H. Knowlton 1934-8-16
NEBC: 00808031 Scirpus maritimus ük. (A. Nelson) Kükenthal USA: Maine Roque Bluffs: Roque Bluffs C. H. Knowlton 1934-8-16
Dryopteridaceae
NEBC: 00671046 Dryopteris cristata (Linnaeus) A. Gray USA: Maine Alexander: Alexander C. H. Knowlton 1934-8-31
NEBC: 00704696 Dryopteris intermedia (Muhlenberg ex Willdenow) A. Gray USA: Maine Strong: Strong C. H. Knowlton 1934-6-16
NEBC: 00636252 Dryopteris marginalis (Linnaeus) A. Gray USA: Vermont Chester: Chester C. H. Knowlton 1934-7-14
Equisetaceae
NEBC: 00706562 Equisetum sylvaticum Linnaeus USA: Maine Alexander: Alexander C. H. Knowlton 1934-8-31
Ericaceae
NEBC: 00517638 Epigaea repens Linnaeus USA: Maine T31MD C. H. Knowlton 1934-8-1
NEBC: 00484519 Kalmia angustifolia Linnaeus USA: Maine Farmington: Farmington C. H. Knowlton 1934-6-17
Fagaceae
NEBC: 00746223 Fagus grandifolia Ehrhart USA: Maine Alexander: Alexander C. H. Knowlton 1934-8-31
Hypericaceae
NEBC: 00774184 Hypericum canadense Linnaeus USA: Maine C. H. Knowlton 1934-8-18
NEBC: 00773179 Hypericum ellipticum Hooker USA: Maine Alexander: Alexander C. H. Knowlton 1934-8-31
NEBC: 00773185 Hypericum ellipticum Hooker USA: Maine Perry: Perry C. H. Knowlton 1934-9-1
NEBC: 00773187 Hypericum ellipticum Hooker USA: Maine C. H. Knowlton 1934-8-18
NEBC: 00773082 Hypericum majus (A. Gray) Britton USA: Maine Alexander: Alexander C. H. Knowlton 1934-8-31
NEBC: 00774563 Hypericum mutilum Linnaeus USA: Maine Perry: Perry C. H. Knowlton 1934-9-1
NEBC: 00774988 Triadenum virginicum (Linnaeus) Rafinesque USA: Maine C. H. Knowlton 1934-8-18
Iridaceae
NEBC: 01044562 Sisyrinchium atlanticum E. P. Bicknell USA: Maine Jonesboro: Jonesboro C. H. Knowlton 1934-9-4
NEBC: 01044888 Sisyrinchium montanum crebrum Fernald USA: Maine Strong: Strong C. H. Knowlton 1934-6-16
Isoetaceae
NEBC: 00661944 Isoetes echinospora Durieu USA: Maine T31 MD C. H. Knowlton 1934-8-18
Juncaceae
NEBC: 00879927 Juncus canadensis J. Gay ex Laharpe USA: Maine T31 MD C. H. Knowlton 1934-8-18
NEBC: 00835850 Juncus effusus decipiens Buchenau USA: Maine Jonesport: Jonesport C. H. Knowlton 1934-8-14
NEBC: 00860159 Juncus greenei Oakes & Tuckerman USA: Maine Freeport: Freeport C. H. Knowlton 1934-8-11
NEBC: 00859688 Juncus militaris Bigelow USA: Maine T 31 MD C. H. Knowlton 1934-8-18
NEBC: 01045867 Juncus pelocarpus E. Meyer USA: Maine T31 MD C. H. Knowlton 1934-8-18
NEBC: 00860872 Juncus pylaei Laharpe USA: Maine Whitneyville: Whitneyville C. H. Knowlton 1934-8-15
NEBC: 00860874 Juncus pylaei Laharpe USA: Maine Alexander: Alexander C. H. Knowlton 1934-8-31
NEBC: 00579885 Luzula luzuloides (Lamarck) Dandy & Wilmott USA: Massachusetts Hingham: Hingham C. H. Knowlton 1934-7-29
NEBC: 01182504 Luzula multiflora (Ehrhart) Lejeune USA: Maine Strong: Strong C. H. Knowlton 1934-6-17
Lamiaceae
NEBC: 00696553 Lycopus americanus Muhlenberg ex W. P. C. Barton USA: Maine Jonesboro: Jonesboro C. H. Knowlton 1934-9-4
NEBC: 00696914 Lycopus uniflorus Michaux USA: Maine T31 MD C. H. Knowlton 1934-8-18
NEBC: 00749015 Mentha arvensis Linnaeus USA: Maine T31MD C. H. Knowlton 1934-8-18
NEBC: 01047922 Mentha canadensis Linnaeus USA: Maine Alexander: Alexander C. H. Knowlton 1934-8-31
NEBC: 01047929 Mentha canadensis Linnaeus USA: Maine T31 MD C. H. Knowlton 1934-8-18
NEBC: 00602448 Stachys palustris Linnaeus USA: Vermont South Hero: South Hero C. H. Knowlton 1934-7-11
Liliaceae
NEBC: 00560353 Clintonia borealis (Aiton) Rafinesque USA: Maine Strong: Strong C. H. Knowlton 1934-6-16
NEBC: 01030038 Maianthemum racemosum (Linnaeus) Link USA: Maine Strong: Strong C. H. Knowlton 1934-6-17
NEBC: 00810918 Uvularia sessilifolia Linnaeus USA: Maine T31 MD C. H. Knowlton 1934-8-18
Lobeliaceae
NEBC: 00820564 Lobelia cardinalis Linnaeus USA: Maine T31 MD C. H. Knowlton 1934-8-18
Lycopodiaceae
NEBC: 00647773 Dendrolycopodium dendroideum (Michaux) A. Haines USA: Maine Alexander: Alexander C. H. Knowlton 1934-8-31
NEBC: 00647778 Dendrolycopodium dendroideum (Michaux) A. Haines USA: Maine T31 MD C. H. Knowlton 1934-8-18
NEBC: 00214123 Diphasiastrum digitatum (Dillenius ex A. Braun) Holub USA: Vermont Chester: C. H. Knowlton 1934-7-14
NEBC: 00772186 Lycopodium lagopus (Laestadius ex C. Hartman) G. Zinserling ex Kuzeneva USA: Maine T31 C. H. Knowlton 1934-8-18
NEBC: 00772196 Lycopodium lagopus (Laestadius ex C. Hartman) G. Zinserling ex Kuzeneva USA: Maine Alexander: Alexander C. H. Knowlton 1934-8-31
NEBC: 00742322 Spinulum annotinum (Linnaeus) A. Haines USA: Maine Alexander: Alexander C. H. Knowlton 1934-8-31
Myricaceae
NEBC: 00563939 Myrica gale Linnaeus USA: Maine Alexander: Alexander C. H. Knowlton 1934-8-31
NEBC: 00563938 Myrica gale Linnaeus USA: Maine Alexander: Alexander C. H. Knowlton 1934-8-31
Onagraceae
NEBC: 01074609 Epilobium ciliatum Rafinesque USA: Maine Alexander: Alexander C. H. Knowlton 1934-8-31
NEBC: 01057559 Epilobium leptophyllum Rafinesque USA: Maine Alexander: Alexander C. H. Knowlton 1934-8-31
NEBC: 00816183 Oenothera parviflora Linnaeus USA: Maine Jonesboro: Jonesboro C. H. Knowlton 1934-9-4
NEBC: 00568319 Oenothera perennis Linnaeus USA: Maine Strong: Strong C. H. Knowlton 1934-6-16
Orchidaceae
NEBC: 01016437 Goodyera tesselata Loddiges USA: Maine 30MD C. H. Knowlton 1934-8-18
NEBC: 01016822 Liparis loeselii (Linnaeus) Richard USA: Vermont Burlington: Burlington C. H. Knowlton 1934-7-12
NEBC: 01062052 Platanthera clavellata (Michaux) Luer USA: Maine T31 MD C. H. Knowlton 1934-8-18
NEBC: 01063021 Spiranthes lacera (Rafinesque) Rafinesque USA: Maine T31 MD C. H. Knowlton 1934-8-18
Orobanchaceae
NEBC: 00645905 Agalinis tenuifolia (Vahl) Rafinesque USA: Maine Bowdoin: Bowdoin C. H. Knowlton 1934-9-7
NEBC: 00679492 Euphrasia nemorosa (Persoon) Wallroth USA: Maine Alexander: Alexander C. H. Knowlton 1934-8-31
Oxalidaceae
NEBC: 01071397 Oxalis stricta Linnaeus USA: Maine Perry: Perry C. H. Knowlton 1934-9-1
Papaveraceae
NEBC: 00669868 Corydalis sempervirens (Linnaeus) Persoon USA: Maine Perry: Perry C. H. Knowlton 1934-9-1
Parnassiaceae
NEBC: 01078908 Parnassia glauca Rafinesque USA: Massachusetts Milford: Milford C. H. Knowlton 1934-9-20
Plantaginaceae
NEBC: 00736537 Chelone glabra Linnaeus USA: Maine T31 MD C. H. Knowlton 1934-8-18
Poaceae
NEBC: 00609021 Anthoxanthum odoratum Linnaeus USA: Massachusetts Hingham: Hingham C. H. Knowlton 1934-6-3
NEBC: 00868054 Bromus ciliatus Linnaeus USA: Maine T 31 MD C. H. Knowlton 1934-8-18
NEBC: 00865547 Bromus ramosus Hudson USA: Maine T26 ED C. H. Knowlton 1934-8-31
NEBC: 00865613 Bromus ramosus Hudson USA: Vermont Chester: Chester C. H. Knowlton 1934-7-14
NEBC: 00705636 Dichanthelium acuminatum implicatum (Scribner) Freckmann & Lelong USA: Maine Alexander: Alexander C. H. Knowlton 1934-8-31
NEBC: 00705649 Dichanthelium acuminatum implicatum (Scribner) Freckmann & Lelong USA: Maine C. H. Knowlton 1934-8-18
NEBC: 00865760 Elymus hystrix Linnaeus USA: Vermont Chester: Chester C. H. Knowlton 1934-7-14
NEBC: 00860522 Festuca subverticillata (Persoon) E. B. Alexeev USA: Vermont Milton: Milton C. H. Knowlton 1934-7-11
NEBC: 00878702 Glyceria borealis (Nash) Batchelder USA: Vermont Milton: Milton C. H. Knowlton 1934-7-11
NEBC: 00817536 Leersia oryzoides (Linnaeus) Swartz USA: Maine Alexander: Alexander C. H. Knowlton 1934-8-31
NEBC: 01148734 Poa alsodes A. Gray USA: Massachusetts Whately: Whately C. H. Knowlton 1934-6-7
NEBC: 01148734 Poa saltuensis Fernald & Wiegand USA: Massachusetts Whately: Whately C. H. Knowlton 1934-6-7
NEBC: 01174191 Spartina alterniflora Loiseleur-Deslongchamps USA: Maine Marshfield: Marshfield C. H. Knowlton 1934-9-13
NEBC: 00863929 Zizania palustris Linnaeus USA: Maine Jonesboro: Jonesboro C. H. Knowlton 1934-9-4
Polygonaceae
NEBC: 00686411 Polygonum arifolium Linnaeus USA: Maine Alexander: Alexander C. H. Knowlton 1934-8-31
NEBC: 00645191 Polygonum cilinode Michaux USA: Maine Alexander: Alexander C. H. Knowlton 1934-8-31
NEBC: 00729369 Rumex britannica Linnaeus USA: Maine Machiasport: Machiasport C. H. Knowlton 1934-8-16
NEBC: 00749866 Rumex crispus Linnaeus USA: Maine Strong: Strong C. H. Knowlton 1934-6-17
NEBC: 00749870 Rumex crispus Linnaeus USA: Maine Machiasport: Machiasport C. H. Knowlton 1934-8-16
NEBC: 00650474 Rumex verticillatus Linnaeus USA: Vermont Milton: Milton C. H. Knowlton 1934-7-11
Ranunculaceae
NEBC: 00553402 Coptis trifolia (Linnaeus) Salisbury USA: Maine Strong: Strong C. H. Knowlton 1934-6-16
NEBC: 01020396 Ranunculus abortivus Linnaeus USA: Maine Strong: Strong C. H. Knowlton 1934-6-16
NEBC: 00692567 Ranunculus hispidus caricetorum (Greene) T. Duncan USA: Vermont Weybridge: Weybridge C. H. Knowlton 1934-7-24
NEBC: 00692956 Thalictrum pubescens Pursh USA: Maine T31 MD C. H. Knowlton 1934-8-18
Rhamnaceae
NEBC: 00580353 Frangula alnus Miller USA: Vermont Burlington: Burlington C. H. Knowlton 1934-7-12
Rosaceae
NEBC: 00649949 Agrimonia striata Michaux USA: Vermont Chester: Chester C. H. Knowlton 1934-7-14
NEBC: 00524054 Fragaria vesca americana Porter USA: Maine Strong: Strong C. H. Knowlton 1934-6-16
NEBC: 00688257 Fragaria virginiana Miller USA: Maine Strong: Strong C. H. Knowlton 1934-6-16
NEBC: 00565619 Geum rivale Linnaeus USA: Vermont Guilford: Guilford C. H. Knowlton 1934-6-8
NEBC: 00441340 Rosa carolina Linnaeus USA: Maine Alexander: Alexander C. H. Knowlton 1934-8-31
NEBC: 00441421 Rosa palustris Marshall USA: Maine Alexander: Alexander C. H. Knowlton 1934-8-31
NEBC: 00646348 Rubus elegantulus Blanchard USA: Maine Roque Bluffs: Roque Bluffs C. H. Knowlton 1934-9-5
NEBC: 00748929 Rubus vermontanus Blanchard USA: Maine Jonesport: Jonesport C. H. Knowlton 1934-8-14
Rubiaceae
NEBC: 00503561 Galium asprellum Michaux USA: Maine T31 MD C. H. Knowlton 1934-8-18
NEBC: 00698004 Galium tinctorium Linnaeus USA: Maine Alexander: Alexander C. H. Knowlton 1934-8-31
NEBC: 00598740 Galium verum Linnaeus USA: Vermont South Hero: South Hero C. H. Knowlton 1934-7-11
NEBC: 00729803 Mitchella repens Linnaeus USA: Maine Alexander: Alexander C. H. Knowlton 1934-8-31
Salicaceae
NEBC: 00641112 Salix sericea Marshall USA: Vermont Guilford: Guilford C. H. Knowlton 1934-6-8
Santalaceae
NEBC: 00575330 Comandra umbellata (Linnaeus) Nuttall USA: Vermont Burlington: Burlington C. H. Knowlton 1934-7-13
Saxifragaceae
NEBC: 00563086 Saxifraga pensylvanica Linnaeus USA: Vermont Guilford: Guilford C. H. Knowlton 1934-6-8
Scrophulariaceae
NEBC: 00678777 Mimulus ringens Linnaeus USA: Maine Jonesboro: Jonesboro C. H. Knowlton 1934-9-4
NEBC: 00668959 Mimulus ringens Linnaeus USA: Vermont Weybridge: Weybridge C. H. Knowlton 1934-7-24
NEBC: 00505189 Verbascum thapsus Linnaeus USA: Vermont Chester: Chester C. H. Knowlton 1934-7-14
Staphyleaceae
NEBC: 00752278 Staphylea trifolia Linnaeus USA: Vermont Milton: Milton C. H. Knowlton 1934-7-11
Thelypteridaceae
NEBC: 00701253 Phegopteris connectilis (Michaux) Watt USA: Maine Alexander: Alexander C. H. Knowlton 1934-8-31
NEBC: 00631995 Thelypteris noveboracensis (Linnaeus) Nieuwland USA: Maine T31 MD C. H. Knowlton 1934-8-18
Trilliaceae
NEBC: 00569024 Medeola virginiana Linnaeus USA: Maine T31 M D C. H. Knowlton 1934-8-18
Violaceae
NEBC: 00565800 Viola blanda Willdenow USA: Maine T26ED C. H. Knowlton 1934-8-31
NEBC: 00565801 Viola blanda Willdenow USA: Maine T26ED C. H. Knowlton 1934-8-31
NEBC: 00565805 Viola blanda Willdenow USA: Maine T31MD C. H. Knowlton 1934-8-18
NEBC: 00501971 Viola cucullata Aiton USA: Maine T31MD C. H. Knowlton 1934-8-18
NEBC: 00715884 Viola pallens (Banks ex Gingins) Brainerd USA: Maine Strong: Strong C. H. Knowlton 1934-6-16
NEBC: 00715907 Viola pallens (Banks ex Gingins) Brainerd USA: Maine C. H. Knowlton 1934-8-18
NEBC: 00730034 Viola sagittata ovata (Nuttall) Torrey & A. Gray USA: Maine Jonesboro: Jonesboro C. H. Knowlton 1934-9-4