Aceraceae GH: 00772646 Acer pensylvanicum Linnaeus USA: Massachusetts Andover: Andover C. H. Knowlton 1903-5-9
NEBC: 00772647 Acer pensylvanicum Linnaeus USA: Massachusetts Andover: Andover C. H. Knowlton 1903-5-9
NEBC: 00677747 Acer saccharinum Linnaeus USA: Massachusetts Tewksbury: Tewksbury, Bank of Merrimac River C. H. Knowlton 1903-6-20
Aizoaceae NEBC: 00751217 Mollugo verticillata Linnaeus USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-9-26
Alliaceae NEBC: 00573131 Allium canadense Linnaeus USA: Connecticut Pomfret: Pomfret C. H. Knowlton 1903-7-5
Anacardiaceae NEBC: 00690773 Rhus copallinum latifolia Engler USA: Rhode Island Burrillville: Burrillville C. H. Knowlton 1903-7-3
NEBC: 00752675 Rhus typhina Linnaeus USA: Rhode Island Burrillville: Burrillville C. H. Knowlton 1903-7-3
NEBC: 00660532 Toxicodendron radicans (Linnaeus) Kuntze USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-5-30
NEBC: 00772405 Toxicodendron vernix (Linnaeus) Kuntze USA: Connecticut Thompson: Thompson C. H. Knowlton 1903-7-3
Apiaceae GH: 01036043 Coelopleurum lucidum (Linnaeus) Fernald USA: Maine Cumberland: Cumberland C. H. Knowlton 1903-7-30
GH: 01050981 Conioselinum chinense Britton, Stearn & Poggenburg USA: Maine Strong: Strong C. H. Knowlton 1903-7-24
NEBC: 01050982 Conioselinum chinense Britton, Stearn & Poggenburg USA: Maine Strong: Strong C. H. Knowlton 1903-7-23
GH: 01051195 Cryptotaenia canadensis (Linnaeus) de Candolle USA: Connecticut Pomfret: Pomfret C. H. Knowlton 1903-7-5
NEBC: 01051196 Cryptotaenia canadensis (Linnaeus) de Candolle USA: Connecticut Pomfret: Pomfret C. H. Knowlton 1903-7-5
NEBC: 01051345 Heracleum maximum W. Bartram USA: Connecticut Pomfret: Pomfret C. H. Knowlton 1903-7-5
NEBC: 01051567 Hydrocotyle americana Linnaeus USA: Connecticut Killingly: Killingly C. H. Knowlton 1903-7-2
NEBC: 01051733 Ligusticum scoticum Linnaeus USA: New Hampshire Hampton: Hampton C. H. Knowlton 1903-10-10
NEBC: 00566045 Zizia aurea (Linnaeus) W. D. J. Koch USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
Apocynaceae NEBC: 00816451 Apocynum androsaemifolium Linnaeus USA: Massachusetts Chelmsford C. H. Knowlton 1903-6-13
Aquifoliaceae GH: 00767430 Ilex laevigata (Pursh) A. Gray USA: Connecticut Litchfield: Litchfield C. H. Knowlton 1903-9-19
GH: 00713174 Ilex mucronata (Linnaeus) M. Powell, Savolainen & S. Andrews USA: Rhode Island Burrillville: Burrillville C. H. Knowlton 1903-7-3
NEBC: 00767990 Ilex verticillata (Linnaeus) A. Gray USA: Rhode Island Burrillville: Burrillville C. H. Knowlton 1903-7-3
Araceae NEBC: 01080143 Arisaema triphyllum (Linnaeus) Schott USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
NEBC: 01010783 Arisaema triphyllum (Linnaeus) Schott USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-5-20
Araliaceae NEBC: 00448424 Aralia nudicaulis Linnaeus USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
NEBC: 00282937 Aralia racemosa Linnaeus USA: Massachusetts Charlton: C. H. Knowlton 1903-7-4
Aristolochiaceae GH: 00642423 Asarum canadense Linnaeus USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-5-20
NEBC: 00642424 Asarum canadense Linnaeus USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-5-20
Asclepiadaceae NEBC: 00572939 Asclepias incarnata pulchra [delete] (Ehrhart ex Willdenow) Woodson USA: Connecticut Killingly: Killingly C. H. Knowlton 1903-7-2
NEBC: 00750205 Asclepias purpurascens Linnaeus USA: Rhode Island Burrillville: Burrillville C. H. Knowlton 1903-7-3
Aspidiaceae NEBC: 00627226 Polystichum acrostichoides (Michaux) Schott USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
NEBC: 00695581 Polystichum acrostichoides (Michaux) Schott USA: Connecticut Thompson: Thompson C. H. Knowlton 1903-7-1
NEBC: 00627764 Polystichum ée (Spenner) Fée USA: Maine Mount Day C. H. Knowlton 1903-7-24
NEBC: 00627765 Polystichum ée (Spenner) Fée USA: Maine Mount Day C. H. Knowlton 1903-7-24
NEBC: 00627767 Polystichum ée (Spenner) Fée USA: Maine Temple: Temple C. H. Knowlton 1903-7-25
Aspleniaceae GH: 00701140 Asplenium trichomanes Linnaeus USA: Maine Day Mountain C. H. Knowlton 1903-7-24
Asteraceae NEBC: 00566951 Achillea millefolium Linnaeus USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-6-13
NEBC: 01053315 Antennaria parlinii Fernald USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
NEBC: 00531373 Anthemis cotula Linnaeus USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-9-26
NEBC: 00587144 Arctium lappa Linnaeus USA: Massachusetts Medford: Medford C. H. Knowlton 1903-10-3
NEBC: 00725590 Artemisia campestris caudata (Michaux) H. M. Hall & Clements USA: Maine Old Orchard Beach: Old Orchard Beach C. H. Knowlton 1903-7-31
NEBC: 01019474 Doellingeria umbellata (Miller) Nees USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-9-26
NEBC: 00568107 Eurybia macrophylla (Linnaeus) Cassini USA: Massachusetts Waltham: Waltham C. H. Knowlton 1903-9-19
NEBC: 01053974 Gnaphalium uliginosum Linnaeus USA: Massachusetts Lincoln: Lincoln C. H. Knowlton 1903-9-9
NEBC: 01017046 Helianthus strumosus Linnaeus USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-9-16
NEBC: 01071459 Hieracium scabrum Michaux USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-9-26
NEBC: 01067406 Hieracium venosum Linnaeus USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-6-13
NEBC: 01066349 Pseudognaphalium macounii (Greene) Kartesz USA: Maine Day Mountain C. H. Knowlton 1903-8-8
NEBC: 01023591 Pseudognaphalium obtusifolium (Linnaeus) Hilliard & B. L. Burtt USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-9-26
GH: 00675106 Rudbeckia laciniata Linnaeus USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-9-13
NEBC: 01062406 Solidago canadensis Linnaeus USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-9-26
NEBC: 00501356 Solidago rugosa aspera (Aiton) Fernald USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-9-26
NEBC: 01064523 Solidago sempervirens Linnaeus USA: Maine Scarborough: Scarborough C. H. Knowlton 1903-7-31
NEBC: 00831898 Symphyotrichum dumosum (Linnaeus) G. L. Nesom USA: Massachusetts Lexington: Lexington C. H. Knowlton 1903-9-12
NEBC: 00692032 Symphyotrichum ericoides (Linnaeus) G. L. Nesom USA: Massachusetts Waltham: Waltham C. H. Knowlton 1903-9-19
NEBC: 01031183 Symphyotrichum novi-belgii (Linnaeus) G. L. Nesom USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-9-13
NEBC: 00697511 Symphyotrichum novi-belgii (Linnaeus) G. L. Nesom USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-9-16
NEBC: 01031465 Symphyotrichum pilosum pringlei (A. Gray) G. L. Nesom USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-9-26
NEBC: 01021402 Symphyotrichum sp. USA: Massachusetts Lexington: Lexington C. H. Knowlton 1903-9-12
NEBC: 01021414 Symphyotrichum sp. USA: Massachusetts Lexington: Lexington C. H. Knowlton 1903-9-12
NEBC: 01014945 Symphyotrichum tradescantii (Linnaeus) G. L. Nesom USA: Maine Winthrop: Winthrop C. H. Knowlton 1903-8-28
Athyriaceae GH: 00577948 Cystopteris bulbifera (Linnaeus) Bernhardi USA: Maine Farmington: Farmington C. H. Knowlton 1903-8-7
NEBC: 00577949 Cystopteris bulbifera (Linnaeus) Bernhardi USA: Maine Farmington: Farmington C. H. Knowlton 1903-8-7
NEBC: 00577952 Cystopteris bulbifera (Linnaeus) Bernhardi USA: Maine Temple: Temple C. H. Knowlton 1903-7-25
NEBC: 00678301 Cystopteris fragilis (Linnaeus) Bernhardi USA: Maine Mount Desert Island: Day Mountain C. H. Knowlton 1903-7-24
GH: 00746562 Cystopteris tenuis (Michaux) Desvaux USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-6-13
NEBC: 00746563 Cystopteris tenuis (Michaux) Desvaux USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-6-13
GH: 00662309 Gymnocarpium dryopteris (Linnaeus) Newman USA: Maine Farmington: Farmington C. H. Knowlton 1903-7-18
NEBC: 00746928 Onoclea sensibilis Linnaeus USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
NEBC: 00695865 Onoclea sensibilis Linnaeus USA: Rhode Island Burrillville: Burrillville C. H. Knowlton 1903-7-3
Betulaceae NEBC: 00636517 Alnus serrulata (Aiton) Willdenow USA: Massachusetts Bedford: Bedford C. H. Knowlton 1903-9-12
NEBC: 00636518 Alnus serrulata (Aiton) Willdenow USA: Massachusetts Bedford: Bedford C. H. Knowlton 1903-9-12
GH: 00636739 Betula alleghaniensis Britton USA: Massachusetts Westford: Westford C. H. Knowlton 1903-5-6
NEBC: 00634405 Betula lenta Linnaeus USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
GH: 00634406 Betula lenta Linnaeus USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
GH: 00634456 Betula lenta Linnaeus USA: Massachusetts Tewksbury: Tewksbury C. H. Knowlton 1903-5-9
NEBC: 00634457 Betula lenta Linnaeus USA: Massachusetts Tewksbury: Tewksbury C. H. Knowlton 1903-5-9
GH: 00678980 Betula nigra Linnaeus USA: Massachusetts Tewksbury: Tewksbury, Merrimac [River] C. H. Knowlton 1903-5-9
NEBC: 00678981 Betula nigra Linnaeus USA: Massachusetts Tewksbury: Tewksbury, Merrimac [River] C. H. Knowlton 1903-6-20
NEBC: 00678982 Betula nigra Linnaeus USA: Massachusetts Tewksbury: Tewksbury, Merrimac River C. H. Knowlton 1903-5-9
GH: 00727037 Betula papyrifera Marshall USA: Massachusetts Tewksbury: Tewksbury C. H. Knowlton 1903-6-20
NEBC: 00727039 Betula papyrifera Marshall USA: Massachusetts Tewksbury: Tewksbury C. H. Knowlton 1903-6-20
GH: 00727041 Betula papyrifera Marshall USA: Massachusetts Westford: Westford C. H. Knowlton 1903-5-6
GH: 00634898 Betula populifolia Marshall USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-5-7
NEBC: 00727194 Carpinus caroliniana virginiana (Marsh.) Furlow USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-5-4
GH: 00727338 Carpinus caroliniana virginiana (Marsh.) Furlow USA: Connecticut Thompson: Thompson C. H. Knowlton 1903-7-3
NEBC: 00727425 Corylus americana Walter USA: Connecticut Putnam: Putnam C. H. Knowlton 1903-7-5
NEBC: 00746032 Corylus cornuta Marshall USA: Connecticut Thompson: Thompson C. H. Knowlton 1903-7-3
NEBC: 00662577 Ostrya virginiana (Miller) K. Koch USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-5-8
Blechnaceae NEBC: 00628425 Woodwardia virginica (Linnaeus) Smith USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-9-26
Boraginaceae NEBC: 00656737 Symphytum asperum Lepechin USA: Maine Chesterville: Chesterville C. H. Knowlton 1903-8-28
Brassicaceae NEBC: 00610726 Berteroa incana (Linnaeus) de Candolle USA: Massachusetts Burlington: Burlington C. H. Knowlton 1903-10-10
GH: 01065480 Boechera canadensis (Linnaeus) Al-Shehbaz USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-6-13
NEBC: 01066217 Boechera canadensis (Linnaeus) Al-Shehbaz USA: Connecticut Pomfret: Pomfret C. H. Knowlton 1903-7-5
GH: 01037131 Boechera stricta (Graham) Shehbaz USA: Massachusetts Tewksbury: Tewksbury C. H. Knowlton 1903-5-9
NEBC: 01037132 Boechera stricta (Graham) Shehbaz USA: Massachusetts Tewksbury: Tewksbury C. H. Knowlton 1903-5-9
NEBC: 01023356 Cakile edentula (Bigelow) Hooker USA: Maine Cumberland: Cumberland C. H. Knowlton 1903-7-30
NEBC: 00592866 Capsella bursa-pastoris (Linnaeus) Medikus USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
NEBC: 00579060 Cardamine pensylvanica Muhlenberg ex Willdenow USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
NEBC: 00558791 Cardamine pensylvanica Muhlenberg ex Willdenow USA: Massachusetts Tewksbury: Tewksbury C. H. Knowlton 1903-6-20
GH: 00660281 Draba arabisans Michaux USA: Maine Day Mountain C. H. Knowlton 1903-7-24
NEBC: 00660283 Draba arabisans Michaux USA: Maine Day Mountain C. H. Knowlton 1903-7-24
NEBC: 00580008 Nasturtium microphyllum (Boenninghausen) Reichenbach USA: Massachusetts Bedford: Bedford C. H. Knowlton 1903-9-12
NEBC: 00580012 Nasturtium microphyllum (Boenninghausen) Reichenbach USA: Massachusetts Lexington: Lexington C. H. Knowlton 1903-9-19
NEBC: 00580013 Nasturtium microphyllum (Boenninghausen) Reichenbach USA: Massachusetts Lexington: Lexington C. H. Knowlton 1903-9-19
NEBC: 00675356 Rorippa palustris (Linnaeus) Besser USA: Massachusetts Charlton: Charlton C. H. Knowlton 1903-7-4
NEBC: 01066454 Turritis glabra Linnaeus USA: Maine Scarborough: Scarborough C. H. Knowlton 1903-8-31
Campanulaceae GH: 00753135 Triodanis perfoliata (Linnaeus) Nieuwland USA: Connecticut Killingly: Killingly C. H. Knowlton 1903-7-2
Caprifoliaceae GH: 00713952 Lonicera villosa (Michaux) Roemer & Schultes USA: Connecticut Killingly: Killingly C. H. Knowlton 1903-7-2
NEBC: 00713953 Lonicera villosa (Michaux) Roemer & Schultes USA: Connecticut Killingly: Killingly C. H. Knowlton 1903-7-2
GH: 00702198 Viburnum acerifolium Linnaeus USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-6-13
GH: 00702497 Viburnum lentago Linnaeus USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-5-30
Caryophyllaceae NEBC: 00564705 Cerastium fontanum vulgare (Hartman) Greuter & Burdet USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
NEBC: 00564761 Cerastium fontanum vulgare (Hartman) Greuter & Burdet USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-6-13
NEBC: 00698708 Moehringia lateriflora (Linnaeus) Fenzl USA: Maine Falmouth: Falmouth C. H. Knowlton 1903-7-28
NEBC: 00602935 Silene noctiflora Linnaeus USA: Rhode Island Providence: Providence C. H. Knowlton 1903-7-3
NEBC: 00534030 Silene noctiflora Linnaeus USA: Maine Farmington: Farmington C. H. Knowlton 1903-8-8
NEBC: 00693356 Spergularia marina (Linnaeus) Grisebach USA: New Hampshire Hampton: Hampton C. H. Knowlton 1903-10-10
NEBC: 00525935 Spergularia rubra (Linnaeus) J. Presl & C. Presl USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-6-14
NEBC: 00581333 Spergularia rubra (Linnaeus) J. Presl & C. Presl USA: Connecticut Killingly: Killingly C. H. Knowlton 1903-7-2
NEBC: 00693620 Stellaria alsine Grimm USA: Massachusetts Tewksbury: Tewksbury C. H. Knowlton 1903-6-20
GH: 00581620 Stellaria graminea Linnaeus USA: Rhode Island Thompson C. H. Knowlton 1903-7-1
NEBC: 00581512 Stellaria graminea Linnaeus USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-5-30
Chenopodiaceae NEBC: 00732383 Salsola kali pontica (Pallas) Mosyakin USA: New Hampshire Hampton: Hampton C. H. Knowlton 1903-10-10
NEBC: 00732515 Suaeda linearis (Elliott) Moquin-Tandon USA: New Hampshire Hampton: Hampton C. H. Knowlton 1903-10-10
Cistaceae GH: 00699398 Crocanthemum bicknellii (Fernald) Janchen USA: Massachusetts Webster: Webster C. H. Knowlton 1903-7-1
NEBC: 00699400 Crocanthemum bicknellii (Fernald) Janchen USA: Massachusetts Webster: Webster C. H. Knowlton 1903-7-1
NEBC: 00699498 Crocanthemum canadense (Linnaeus) Britton USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
NEBC: 00757171 Lechea maritima Leggett ex Britton USA: New Hampshire Hampton: Hampton C. H. Knowlton 1903-10-10
NEBC: 00757921 Lechea tenuifolia Michaux USA: Massachusetts Bedford: Bedford C. H. Knowlton 1903-9-12
NEBC: 00757984 Lechea tenuifolia Michaux USA: Connecticut Killingly: Killingly C. H. Knowlton 1903-7-2
Cornaceae NEBC: 00773406 Cornus alternifolia Linnaeus f. USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
NEBC: 00760596 Cornus amomum Miller USA: Connecticut Killingly: Killingly C. H. Knowlton 1903-7-2
NEBC: 00713019 Cornus canadensis Linnaeus USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
NEBC: 00502661 Cornus rugosa Lamarck USA: Connecticut Pomfret: Pomfret C. H. Knowlton 1903-7-5
Cupressaceae NEBC: 00685553 Juniperus horizontalis Moench USA: Maine Harpswell: Harpswell C. H. Knowlton 1903-8-1
Cyperaceae NEBC: 00218300 Carex bromoides Willdenow USA: Massachusetts North Brookfield: C. H. Knowlton 1903-7-9
GH: 00218722 Carex bullata Schkuhr ex Willdenow USA: New Hampshire Pelham: C. H. Knowlton 1903-5-23
NEBC: 00218850 Carex bullata Schkuhr ex Willdenow USA: Connecticut Killingly: By Whetstone Brook C. H. Knowlton 1903-7-2
NEBC: 00218723 Carex bullata Schkuhr ex Willdenow USA: New Hampshire Pelham: C. H. Knowlton 1903-5-23
NEBC: 00221550 Carex canescens disjuncta (Fernald) Toivonen USA: New Hampshire Pelham: C. H. Knowlton 1903-5-23
NEBC: 00232643 Carex echinata echinata USA: New Hampshire Pelham: C. H. Knowlton 1903-5-23
NEBC: 00242694 Carex flava Linnaeus USA: New Hampshire Pelham: C. H. Knowlton 1903-5-23
NEBC: 00241541 Carex gracillima Schweinitz USA: New Hampshire Pelham: C. H. Knowlton 1903-5-23
NEBC: 00299321 Carex intumescens Rudge USA: Connecticut Thompson: C. H. Knowlton 1903-7-1
NEBC: 00299809 Carex lasiocarpa americana Fernald USA: Massachusetts Douglas: C. H. Knowlton 1903-7-3
NEBC: 01049278 Carex laxiflora Lamarck USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
NEBC: 00869258 Carex lupulina Muhlenberg ex Willdenow USA: Massachusetts Bedford: Bedford C. H. Knowlton 1903-9-12
NEBC: 00808701 Carex lurida Wahlenberg USA: Connecticut Killingly: Killingly C. H. Knowlton 1903-7-2
NEBC: 00807848 Carex pallescens Linnaeus USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
NEBC: 00775809 Carex scoparia Schkuhr ex Willdenow USA: Massachusetts Douglas: Douglas C. H. Knowlton 1903-7-3
NEBC: 00802780 Carex stipata Muhlenberg ex Willdenow USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
NEBC: 01059812 Carex tribuloides Wahlenberg USA: Massachusetts Douglas: Douglas C. H. Knowlton 1903-7-3
NEBC: 01058303 Carex utriculata Boott USA: Maine Cumberland: Cumberland C. H. Knowlton 1903-7-27
NEBC: 01043464 Carex vulpinoidea Michaux USA: Connecticut Pomfret: Pomfret C. H. Knowlton 1903-7-5
NEBC: 00672183 Eleocharis palustris (Linnaeus) Roemer & Schultes USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
NEBC: 01048687 Eleocharis robbinsii Oakes USA: Maine Chesterville: Chesterville C. H. Knowlton 1903-8-25
NEBC: 01048884 Eleocharis tenuis (Willdenow) Schultes USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-5-20
GH: 00874108 Rhynchospora capitellata (Michaux) Vahl USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-9-5
NEBC: 00802861 Rhynchospora fusca (Linnaeus) W. T. Aiton USA: Maine Cumberland: Cumberland C. H. Knowlton 1903-7-27
NEBC: 00894415 Scirpus atrocinctus Fernald USA: Maine Temple: Temple C. H. Knowlton 1903-7-25
NEBC: 00894417 Scirpus atrocinctus Fernald USA: Maine Temple: Temple C. H. Knowlton 1903-7-25
NEBC: 00894704 Scirpus atrocinctus Fernald USA: Connecticut Thompson: Thompson C. H. Knowlton 1903-7-1
NEBC: 00894953 Scirpus cyperinus (Linnaeus) Kunth USA: Maine Farmington: Farmington C. H. Knowlton 1903-8-18
NEBC: 01160177 Scirpus cyperinus (Linnaeus) Kunth USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-9-26
NEBC: 01160473 Scirpus expansus Fernald USA: Maine Cumberland: Cumberland C. H. Knowlton 1903-7-29
NEBC: 01160513 Scirpus expansus Fernald USA: Massachusetts Charlton: Charlton C. H. Knowlton 1903-7-4
NEBC: 01160541 Scirpus expansus Fernald USA: Connecticut Thompson: Thompson C. H. Knowlton 1903-7-1
NEBC: 00892288 Scirpus hattorianus Makino USA: Rhode Island Burrillville: Burrillville C. H. Knowlton 1903-7-3
NEBC: 00895393 Scirpus pungens Vahl USA: New Hampshire Hampton: Hampton C. H. Knowlton 1903-10-10
NEBC: 01161040 Scirpus subterminalis Torrey USA: Maine Chesterville: Chesterville C. H. Knowlton 1903-8-25
Droseraceae NEBC: 00741908 Drosera intermedia Hayne USA: Massachusetts Douglas: Douglas C. H. Knowlton 1903-7-3
Dryopteridaceae GH: 00667538 Dryopteris campyloptera (Kunze) Clarkson USA: Maine Hay Mountain C. H. Knowlton 1903-7-24
NEBC: 00704491 Dryopteris cristata (Linnaeus) A. Gray USA: Connecticut Thompson: Thompson C. H. Knowlton 1903-7-1
GH: 00551175 Dryopteris goldiana (Hooker) A. Gray USA: Maine Temple: Temple C. H. Knowlton 1903-7-25
NEBC: 00671494 Dryopteris marginalis (Linnaeus) A. Gray USA: Connecticut Thompson: Thompson C. H. Knowlton 1903-7-1
NEBC: 00627070 Dryopteris triploidea Wherry USA: Maine Day Mountain C. H. Knowlton 1903-7-24
NEBC: 00634110 Dryopteris triploidea Wherry USA: Massachusetts Andover: Andover C. H. Knowlton 1903-6-20
Equisetaceae NEBC: 00674419 Equisetum arvense Linnaeus USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-5-4
NEBC: 00694864 Equisetum scirpoides Michaux USA: Maine Temple: Temple C. H. Knowlton 1903-7-25
Ericaceae NEBC: 00707858 Arctostaphylos uva-ursi (Linnaeus) Sprengel USA: Maine Scarborough: Scarborough C. H. Knowlton 1903-7-31
NEBC: 01068728 Chamaedaphne calyculata (Linnaeus) Moench USA: Massachusetts Billerica: Billerica C. H. Knowlton 1903-4-25
NEBC: 00461369 Gaylussacia baccata (Wangenheim) K. Koch USA: Connecticut Killingly: Killingly C. H. Knowlton 1903-7-2
NEBC: 00484701 Kalmia angustifolia Linnaeus USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-6-13
NEBC: 01039629 Lyonia ligustrina (Linnaeus) de Candolle USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-6-13
NEBC: 00553933 Monotropa uniflora Linnaeus USA: Connecticut Thompson: Thompson C. H. Knowlton 1903-7-3
NEBC: 00563757 Pyrola chlorantha Swartz USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903
NEBC: 00563877 Pyrola chlorantha Swartz USA: Rhode Island Burrillville: Burrillville C. H. Knowlton 1903-7-3
NEBC: 00714287 Rhododendron viscosum (Linnaeus) Torrey USA: Connecticut Putnam: Putnam C. H. Knowlton 1903-7-1
NEBC: 00714288 Rhododendron viscosum (Linnaeus) Torrey USA: Connecticut Thompson: Thompson C. H. Knowlton 1903-7-1
NEBC: 00519346 Vaccinium corymbosum Linnaeus USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
NEBC: 00517046 Vaccinium pallidum Aiton USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-5-20
NEBC: 00517061 Vaccinium pallidum Aiton USA: Massachusetts Tewksbury: Tewksbury C. H. Knowlton 1903-5-9
Euphorbiaceae NEBC: 00578055 Euphorbia cyparissias Linnaeus USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
Fabaceae GH: 00534888 Coronilla varia Linnaeus USA: Connecticut Putnam: Putnam C. H. Knowlton 1903-7-1
NEBC: 00534889 Coronilla varia Linnaeus USA: Connecticut Putnam: Putnam C. H. Knowlton 1903-7-1
NEBC: 00654493 Desmodium glutinosum (Muhlenberg ex Willdenow) Alph. Wood USA: Connecticut Pomfret: Pomfret C. H. Knowlton 1903-7-5
NEBC: 00639244 Desmodium rotundifolium (Michaux) de Candolle USA: Connecticut Thompson: Thompson C. H. Knowlton 1903-7-1
GH: 00720038 Tephrosia virginiana (Linnaeus) Persoon USA: Connecticut Killingly: Killingly C. H. Knowlton 1903-7-2
NEBC: 00720040 Tephrosia virginiana (Linnaeus) Persoon USA: Connecticut Killingly: Killingly C. H. Knowlton 1903-7-2
NEBC: 00504747 Trifolium pratense Linnaeus USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-9-26
NEBC: 00591941 Vicia sativa nigra (Linnaeus) Ehrhart USA: Connecticut Putnam: Putnam C. H. Knowlton 1903-7-1
Fagaceae NEBC: 00662691 Quercus palustris Münchhausen USA: Connecticut Pomfret: Pomfret C. H. Knowlton 1903-7-5
NEBC: 00662703 Quercus palustris Münchhausen USA: Connecticut Pomfret: Pomfret C. H. Knowlton 1903-7-5
Gentianaceae GH: 00726789 Gentiana linearis Froelich USA: Maine Wilton: Wilton C. H. Knowlton 1903-8-14
NEBC: 00726790 Gentiana linearis Froelich USA: Maine Wilton: Wilton C. H. Knowlton 1903-8-14
Geraniaceae NEBC: 01067606 Geranium maculatum Linnaeus USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
NEBC: 01067635 Geranium maculatum Linnaeus USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-5-30
GH: 01068426 Geranium robertianum Linnaeus USA: Maine Avon: Avon C. H. Knowlton 1903-7-24
GH: 01068428 Geranium robertianum Linnaeus USA: Maine Farmington: Farmington C. H. Knowlton 1903-8-7
Haloragaceae NEBC: 01028661 Proserpinaca pectinata Lamarck USA: Massachusetts Carlisle: Carlisle, Tophet swamp C. H. Knowlton 1903-9-6
Hamamelidaceae NEBC: 00649025 Hamamelis virginiana Linnaeus USA: Rhode Island Burrillville: Burrillville C. H. Knowlton 1903-7-3
NEBC: 00649040 Hamamelis virginiana Linnaeus USA: Connecticut Thompson: Thompson C. H. Knowlton 1903-7-1
NEBC: 00640366 Hamamelis virginiana Linnaeus USA: Maine Falmouth: Falmouth C. H. Knowlton 1903-7-28
Hypericaceae NEBC: 00715078 Hypericum boreale (Britton) E. P. Bicknell USA: Maine Chesterville: Chesterville C. H. Knowlton 1903-8-26
NEBC: 00715079 Hypericum boreale (Britton) E. P. Bicknell USA: Maine Farmington: Farmington C. H. Knowlton 1903-8-18
NEBC: 00715080 Hypericum boreale (Britton) E. P. Bicknell USA: Maine Farmington: Farmington C. H. Knowlton 1903-8-18
GH: 00715125 Hypericum boreale (Britton) E. P. Bicknell USA: Maine Fayette: Fayette C. H. Knowlton 1903-8-26
GH: 00715124 Hypericum boreale (Britton) E. P. Bicknell USA: Maine Farmington: Farmington C. H. Knowlton 1903-8-18
NEBC: 00715126 Hypericum boreale (Britton) E. P. Bicknell USA: Maine Fayette: Fayette C. H. Knowlton 1903-8-26
NEBC: 00715194 Hypericum boreale (Britton) E. P. Bicknell USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-9-26
NEBC: 00774278 Hypericum canadense Linnaeus USA: Massachusetts Chesterville C. H. Knowlton 1903-8-26
NEBC: 00774298 Hypericum canadense Linnaeus USA: Rhode Island Burrillville: Burrillville C. H. Knowlton 1903-7-3
GH: 00773127 Hypericum ellipticum Hooker USA: Maine Farmington: Farmington C. H. Knowlton 1903-7-18
NEBC: 00774393 Hypericum ellipticum Hooker USA: Maine Old Orchard Beach: Old Orchard Beach C. H. Knowlton 1903-7-31
NEBC: 00715404 Hypericum ellipticum Hooker USA: Connecticut Killingly: Killingly C. H. Knowlton 1903-7-1
NEBC: 00715467 Hypericum majus (A. Gray) Britton USA: Maine Chesterville: Chesterville C. H. Knowlton 1903-8-26
NEBC: 00774634 Hypericum mutilum Linnaeus USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-9-26
NEBC: 00773031 Hypericum punctatum Lamarck USA: Connecticut Putnam: Putnam C. H. Knowlton 1903-7-5
Hypoxidaceae GH: 00485843 Hypoxis hirsuta (Linnaeus) Coville USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
Juglandaceae NEBC: 00567859 Carya ovata (Miller) K. Koch USA: Maine Cumberland: Cumberland C. H. Knowlton 1903-7-27
Juncaceae NEBC: 00879711 Juncus brevicaudatus (Engelmann) Fernald USA: Maine Strong: Strong C. H. Knowlton 1903-7-24
NEBC: 01174890 Juncus bufonius Linnaeus USA: Massachusetts Lexington: Lexington, edge of Reservoir C. H. Knowlton 1903-9-12
NEBC: 01174891 Juncus bufonius Linnaeus USA: Massachusetts Lexington: Lexington C. H. Knowlton 1903-9-12
NEBC: 01045071 Juncus canadensis J. Gay ex Laharpe USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-9-26
NEBC: 00860220 Juncus greenei Oakes & Tuckerman USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-9-26
NEBC: 00859858 Juncus nodosus Linnaeus USA: Maine Farmington: Farmington C. H. Knowlton 1903-8-7
NEBC: 00859859 Juncus nodosus Linnaeus USA: Maine Farmington: Farmington C. H. Knowlton 1903-8-7
NEBC: 00878970 Juncus secundus P. Beauvois ex Poiret USA: Massachusetts Lincoln: Lincoln C. H. Knowlton 1903-9-19
NEBC: 00817037 Juncus tenuis Willdenow USA: Maine Day Mountain C. H. Knowlton 1903-8-8
NEBC: 01182401 Juncus tenuis Willdenow USA: Connecticut Killingly: Killingly C. H. Knowlton 1903-7-2
NEBC: 01150970 Luzula multiflora (Ehrhart) Lejeune USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
NEBC: 00865331 Luzula multiflora (Ehrhart) Lejeune USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-5-4
Lamiaceae NEBC: 00558145 Leonurus cardiaca Linnaeus USA: Maine Farmington: Farmington C. H. Knowlton 1903-8-7
NEBC: 00751606 Mentha gracilis Sole USA: Maine Wayne: Wayne C. H. Knowlton 1903-8-27
NEBC: 00648537 Pycnanthemum muticum (Michaux) Persoon USA: Connecticut Pomfret: Pomfret C. H. Knowlton 1903-7-5
NEBC: 00648694 Pycnanthemum tenuifolium Schrader USA: Connecticut Pomfret: Pomfret C. H. Knowlton 1903-7-5
GH: 00648836 Pycnanthemum virginianum (Linnaeus) B. L. Robinson & Fernald USA: Connecticut Pomfret: Pomfret C. H. Knowlton 1903-7-5
NEBC: 00648912 Scutellaria galericulata Linnaeus USA: Maine Farmington: Farmington C. H. Knowlton 1903-7-18
NEBC: 00593992 Teucrium canadense Linnaeus USA: New Hampshire Hampton: Hampton C. H. Knowlton 1903-10-10
Lauraceae NEBC: 00504961 Lindera benzoin (Linnaeus) Blume USA: Massachusetts Waltham: Waltham C. H. Knowlton 1903-9-19
NEBC: 00683177 Sassafras albidum (Nuttall) Nees USA: Rhode Island Burrillville: Burrillville C. H. Knowlton 1903-7-3
Lemnaceae GH: 00635984 Lemna minor Linnaeus USA: Massachusetts Lexington: Lexington C. H. Knowlton 1 1903-9-19
NEBC: 00635985 Lemna minor Linnaeus USA: Massachusetts Lexington: Lexington C. H. Knowlton 1903-9-19
NEBC: 00635986 Lemna minor Linnaeus USA: Massachusetts Lexington: Lexington C. H. Knowlton 1903-9-19
Liliaceae GH: 00817142 Aletris farinosa Linnaeus USA: Rhode Island Burrillville: Burrillville C. H. Knowlton 1903-7-3
NEBC: 00817143 Aletris farinosa Linnaeus USA: Rhode Island Burrillville: Burrillville C. H. Knowlton 1903-7-3
NEBC: 00573050 Lilium canadense Linnaeus USA: Massachusetts Charlton: Charlton C. H. Knowlton 1903-7-4
NEBC: 00505509 Maianthemum canadense Desfontaines USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-5-20
NEBC: 00817300 Maianthemum racemosum (Linnaeus) Link USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
NEBC: 00868270 Maianthemum racemosum (Linnaeus) Link USA: Connecticut Putnam: Putnam C. H. Knowlton 1903-7-1
NEBC: 00868845 Polygonatum pubescens (Willdenow) Pursh USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-5-20
NEBC: 00575880 Trillium cernuum Linnaeus USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
GH: 00810907 Uvularia perfoliata Linnaeus USA: Connecticut Killingly: Killingly C. H. Knowlton 1903-7-2
NEBC: 00869689 Uvularia sessilifolia Linnaeus USA: Massachusetts Westford: Westford C. H. Knowlton 1903-5-6
NEBC: 00869829 Uvularia sessilifolia Linnaeus USA: Connecticut Putnam: Putnam C. H. Knowlton 1903-7-5
Lobeliaceae NEBC: 00725307 Lobelia spicata Lamarck USA: Massachusetts Webster: Webster C. H. Knowlton 1903-7-1
Loranthaceae NEBC: 00648296 Arceuthobium pusillum Peck USA: Maine New Sharon: New Sharon C. H. Knowlton 1903-8-10
Lythraceae NEBC: 01057122 Decodon verticillatus (Linnaeus) Elliott USA: Maine Fayette: Fayette C. H. Knowlton 1903-8-26
NEBC: 00283764 Trapa natans Linnaeus USA: Massachusetts Bedford: Concord River C. H. Knowlton 1903-9-12
Magnoliaceae GH: 00219263 Liriodendron tulipifera Linnaeus USA: Massachusetts Douglas: C. H. Knowlton 1903-7-3
NEBC: 00219264 Liriodendron tulipifera Linnaeus USA: Massachusetts Douglas: C. H. Knowlton 1903-7-3
NEBC: 00219277 Liriodendron tulipifera Linnaeus USA: Rhode Island Burrillville: C. H. Knowlton 1903-6-3
Malvaceae GH: 00751234 Abutilon theophrasti Medikus USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-9-26
NEBC: 00751235 Abutilon theophrasti Medikus USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-9-26
Myricaceae NEBC: 00563441 Morella pensylvanica (Mirbel) Kartesz USA: Rhode Island Burrillville: Burrillville C. H. Knowlton 1903-7-3
NEBC: 00563491 Morella pensylvanica (Mirbel) Kartesz USA: Connecticut Thompson: Thompson C. H. Knowlton 1903-7-1
NEBC: 00565243 Myrica gale Linnaeus USA: Connecticut Killingly: Killingly C. H. Knowlton 1903-7-2
Nymphaeaceae NEBC: 00832850 Nuphar variegata Engelmann ex Durand USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
NEBC: 01014705 Nymphaea odorata Aiton USA: Massachusetts Douglas: Douglas C. H. Knowlton 1903-7-3
Oleaceae NEBC: 00816302 Fraxinus pennsylvanica Marshall USA: Massachusetts Tewksbury: Shore of Merrimac River, Tewksbur... C. H. Knowlton 1903-6-20
Onagraceae GH: 01039959 Circaea alpina Linnaeus USA: Massachusetts Andover: Andover C. H. Knowlton 1903-6-20
NEBC: 01057676 Epilobium leptophyllum Rafinesque USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-9-26
NEBC: 00816173 Oenothera parviflora Linnaeus USA: Maine Farmington: Farmington C. H. Knowlton 1903-7-24
NEBC: 00816286 Oenothera parviflora Linnaeus USA: Massachusetts Lincoln: Lincoln C. H. Knowlton 1903-9-19
Ophioglossaceae NEBC: 00690019 Botrychium multifidum (S. G. Gmelin) Ruprecht USA: Maine Fayette: Fayette C. H. Knowlton 1903-8-27
NEBC: 00690240 Botrychium virginianum (Linnaeus) Swartz USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
Orchidaceae NEBC: 00832985 Goodyera pubescens (Willdenow) R. Brown USA: Maine Falmouth: Falmouth C. H. Knowlton 1903-7-28
NEBC: 01055009 Platanthera blephariglottis (Willdenow) Lindley USA: Maine Cumberland: Cumberland C. H. Knowlton 1903-7-27
NEBC: 00462437 Platanthera grandiflora (Bigelow) Lindley USA: Massachusetts Billerica: Billerica C. H. Knowlton 1903-6-14
NEBC: 00569949 Pogonia ophioglossoides (Linnaeus) Ker Gawler USA: Connecticut Putnam: Putnam C. H. Knowlton 1903-7-1
Orobanchaceae NEBC: 00642988 Agalinis paupercula (A. Gray) Britton USA: New Hampshire Hampton: Hampton C. H. Knowlton 1903-10-10
GH: 00645625 Agalinis paupercula borealis Pennell USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-9-3
NEBC: 00645902 Agalinis tenuifolia (Vahl) Rafinesque USA: Maine Fayette: Fayette C. H. Knowlton 1903-8-26
NEBC: 00561413 Aureolaria pedicularia (Linnaeus) Rafinesque USA: Maine Cumberland or Falmouth C. H. Knowlton 1903-7-30
NEBC: 00731179 Melampyrum lineare Desrousseaux USA: Rhode Island Burrillville: Burrillville C. H. Knowlton 1903-7-3
NEBC: 00731197 Melampyrum lineare Desrousseaux USA: Connecticut Thompson: Thompson C. H. Knowlton 1903-7-1
NEBC: 00503146 Pedicularis canadensis Linnaeus USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
NEBC: 00502086 Pedicularis canadensis Linnaeus USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-5-20
Osmundaceae GH: 00720590 Osmunda regalis spectabilis (Willdenow) A. Gray USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-6-13
Papaveraceae NEBC: 00669843 Corydalis sempervirens (Linnaeus) Persoon USA: Maine Day Mountain C. H. Knowlton 1903-8-8
GH: 00669844 Corydalis sempervirens (Linnaeus) Persoon USA: Maine Day Mountain C. H. Knowlton 1903-8-8
Plantaginaceae NEBC: 00745221 Callitriche heterophylla Pursh USA: Connecticut Killingly: Killingly C. H. Knowlton 1903-7-2
NEBC: 00736606 Chelone glabra Linnaeus USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-9-26
NEBC: 00650275 Nuttallanthus canadensis (Linnaeus) D. A. Sutton USA: Rhode Island Burrillville: Burrillville C. H. Knowlton 1903-7-3
NEBC: 00650301 Nuttallanthus canadensis (Linnaeus) D. A. Sutton USA: Connecticut Thompson: Thompson C. H. Knowlton 1903-7-1
NEBC: 00707028 Veronica americana Schweinitz ex Bentham USA: Maine Phillips: Phillips C. H. Knowlton 1903-8-22
NEBC: 00707033 Veronica americana Schweinitz ex Bentham USA: Maine Phillips: Phillips C. H. Knowlton 1903-8-22
NEBC: 00561739 Veronica peregrina Linnaeus USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
NEBC: 00561847 Veronica peregrina xalapensis (Kunth) Pennell USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-5-16
NEBC: 00775112 Veronica scutellata Linnaeus USA: Connecticut Killingly: Killingly C. H. Knowlton 1903-7-2
Platanaceae NEBC: 00648452 Platanus occidentalis Linnaeus USA: Massachusetts Andover: Andover C. H. Knowlton 1903-6-20
NEBC: 00648255 Platanus occidentalis Linnaeus USA: Connecticut Pomfret: Pomfret C. H. Knowlton 1903-7-5
Plumbaginaceae NEBC: 00729669 Limonium carolinianum (Walter) Britton USA: New Hampshire Hampton: Hampton C. H. Knowlton 1903-10-10
Poaceae NEBC: 01175655 Agrostis scabra Willdenow USA: Maine Cumberland: Cumberland C. H. Knowlton 1903-7-29
NEBC: 00689763 Ammophila breviligulata Fernald USA: New Hampshire Hampton: Hampton C. H. Knowlton 1903-10-10
NEBC: 00622667 Anthoxanthum odoratum Linnaeus USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
NEBC: 00622716 Anthoxanthum odoratum Linnaeus USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-5-18
NEBC: 00622721 Anthoxanthum odoratum Linnaeus USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-5-18
NEBC: 00622739 Anthoxanthum odoratum Linnaeus USA: Rhode Island Burrillville: Burrillville C. H. Knowlton 1903-7-3
NEBC: 01045327 Brachyelytrum aristosum (Michaux) P. Beauvois ex Branner & Coville USA: Rhode Island Burrillville: Burrillville C. H. Knowlton 1903-7-3
NEBC: 00863073 Bromus ciliatus Linnaeus USA: Maine Falmouth: Falmouth C. H. Knowlton 1903-7-30
NEBC: 00609860 Bromus secalinus Linnaeus USA: Connecticut Killingly: Killingly C. H. Knowlton 1903-7-2
NEBC: 00611583 Bromus tectorum Linnaeus USA: Connecticut Killingly: Killingly C. H. Knowlton 1903-7-2
GH: 01174985 Danthonia compressa Austin USA: Connecticut Thompson: Thompson C. H. Knowlton 1903-7-1
NEBC: 01174986 Danthonia compressa Austin USA: Connecticut Thompson: Thompson C. H. Knowlton 1903-7-1
NEBC: 00860379 Deschampsia flexuosa (Linnaeus) Trinius USA: Massachusetts Andover: Andover C. H. Knowlton 1903-6-20
NEBC: 00737101 Dichanthelium acuminatum columbianum (Scribner) Freckmann & Lelong USA: Connecticut Killingly: Killingly C. H. Knowlton 1903-7-2
NEBC: 00737233 Dichanthelium acuminatum fasciculatum (Torrey) Freckmann & Lelong USA: Maine Falmouth: Falmouth C. H. Knowlton 513 1903-7-28
NEBC: 00673916 Dichanthelium acuminatum spretum (Schultes) Freckmann & Lelong USA: Massachusetts Bedford: Bedford C. H. Knowlton 1903-9-12
NEBC: 00764863 Dichanthelium clandestinum (Linnaeus) Gould USA: Rhode Island Burrillville: Burrillville C. H. Knowlton 1903-7-3
GH: 00635758 Dichanthelium depauperatum (Muhlenberg) Gould USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-5-30
NEBC: 00635759 Dichanthelium depauperatum (Muhlenberg) Gould USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-5-30
GH: 00684712 Dichanthelium dichotomum (Linnaeus) Gould USA: Connecticut Thompson: Thompson C. H. Knowlton 1903-7-1
GH: 00855071 Dichanthelium latifolium (Linnaeus) Harvill USA: Massachusetts Webster: Webster C. H. Knowlton 1903-7-1
NEBC: 00855072 Dichanthelium latifolium (Linnaeus) Harvill USA: Massachusetts Webster: Webster C. H. Knowlton 1903-7-1
NEBC: 00855105 Dichanthelium latifolium (Linnaeus) Harvill USA: Connecticut Thompson: Thompson C. H. Knowlton 1903-7-1
NEBC: 00875896 Dichanthelium xanthophysum (A. Gray) Gould USA: Massachusetts Oxford: Oxford C. H. Knowlton 1903-7-4
NEBC: 00853718 Distichlis spicata (Linnaeus) Greene USA: New Hampshire Hampton: Hampton C. H. Knowlton 1903-10-10
NEBC: 00865719 Elymus hystrix Linnaeus USA: Maine Strong: Strong C. H. Knowlton 1903-8-1
NEBC: 00863591 Elymus virginicus halophilus (E. P. Bicknell) Wiegand USA: New Hampshire Hampton: Hampton C. H. Knowlton 1903-10-10
NEBC: 00853812 Eragrostis spectabilis (Pursh) Steudel USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-9-26
NEBC: 00594923 Festuca filiformis Pourret USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-5-30
NEBC: 00613601 Festuca ovina Linnaeus USA: Massachusetts Lexington: Lexington C. H. Knowlton 1903-9-12
NEBC: 00609933 Festuca rubra Linnaeus USA: Massachusetts Lexington: Lexington C. H. Knowlton 1903-9-20
NEBC: 00860589 Festuca subverticillata (Persoon) E. B. Alexeev USA: Connecticut Killingly: Killingly C. H. Knowlton 1903-7-2
NEBC: 00860590 Festuca subverticillata (Persoon) E. B. Alexeev USA: Connecticut Pomfret: Pomfret C. H. Knowlton 1903-7-5
NEBC: 00859950 Glyceria canadensis (Michaux) Trinius USA: Connecticut Thompson: Thompson C. H. Knowlton 1903-7-1
GH: 01149164 Glyceria melicaria (Michx.) F.T. Hubbard USA: Maine Strong: Strong C. H. Knowlton 1903-7-24
NEBC: 00609888 Holcus lanatus Linnaeus USA: Massachusetts Carlisle: Carlisle C. H. Knowlton 1903-6-14
NEBC: 00613830 Holcus lanatus Linnaeus USA: Rhode Island Burrillville: Burrillville C. H. Knowlton 1903-7-3
GH: 01149776 Milium effusum Linnaeus USA: Maine Day Mountain C. H. Knowlton 1903-7-24
NEBC: 00855890 Muhlenbergia schreberi J. F. Gmelin USA: Massachusetts Dracut: Dracut C. H. Knowlton 1903-9-26
NEBC: 01150800 Piptatherum pungens (Torrey) Dorn USA: Massachusetts Tewksbury: Tewksbury C. H. Knowlton 1903-5-9
NEBC: 00595265 Poa annua Linnaeus USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
NEBC: 00606242 Poa compressa Linnaeus USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-9-26
NEBC: 00879281 Spartina alterniflora Loiseleur-Deslongchamps USA: New Hampshire Hampton: Hampton C. H. Knowlton 1903-10-10
NEBC: 00700302 Vulpia octoflora glauca (Nuttall) Fernald USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-6-14
NEBC: 00700305 Vulpia octoflora glauca (Nuttall) Fernald USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-6-14
GH: 00700384 Vulpia octoflora tenella (Willdenow) Fernald USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-6-14
Polygonaceae NEBC: 00664902 Antenoron virginianum (Linnaeus) Roberty & Vautier USA: Massachusetts Lexington: Lexington C. H. Knowlton 1903-9-12
NEBC: 00762339 Polygonum buxiforme Small USA: Maine Scarborough: Scarborough C. H. Knowlton 1903-7-31
NEBC: 00751479 Polygonum convolvulus Linnaeus USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-9-16
NEBC: 00503966 Polygonum hydropiperoides Michaux USA: Maine Chesterville: Chesterville C. H. Knowlton 1903-8-25
NEBC: 00866161 Polygonum prolificum (Small) B. L. Robinson USA: Massachusetts Waltham: Waltham C. H. Knowlton 1903-9-19
NEBC: 00866250 Polygonum ramosissimum Michaux USA: Maine Scarborough: Scarborough C. H. Knowlton 1903-7-31
NEBC: 00664902 Polygonum virginianum Linnaeus USA: Massachusetts Lexington: Lexington C. H. Knowlton 1903-9-12
NEBC: 00736979 Rumex pallidus Bigelow USA: Maine Cumberland: Cumberland C. H. Knowlton 1903-7-30
Primulaceae NEBC: 00553376 Lysimachia hybrida Michaux USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-9-26
NEBC: 01041643 Lysimachia quadrifolia Linnaeus USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-6-16
Pteridaceae GH: 00216810 Adiantum pedatum Linnaeus USA: Maine Temple or Avon C. H. Knowlton 1903-7-25
GH: 00216821 Adiantum pedatum Linnaeus USA: New Hampshire Pelham: C. H. Knowlton 1903-5-23
NEBC: 00219211 Adiantum pedatum Linnaeus USA: Massachusetts Andover: C. H. Knowlton 1903-6-20
Ranunculaceae NEBC: 00561981 Actaea pachypoda Elliott USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
NEBC: 00562176 Actaea pachypoda Elliott USA: Connecticut Killingly: Killingly C. H. Knowlton 1903-7-2
GH: 00866556 Actaea rubra (Aiton) Willdenow USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
NEBC: 00866557 Actaea rubra (Aiton) Willdenow USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
NEBC: 00572225 Anemone quinquefolia Linnaeus USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
NEBC: 00753894 Anemone virginiana Linnaeus USA: Connecticut Killingly: Killingly C. H. Knowlton 1903-7-2
NEBC: 01013109 Caltha palustris Linnaeus USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-5-4
NEBC: 00866802 Clematis occidentalis (Hornemann) de Candolle USA: Connecticut Killingly: Killingly C. H. Knowlton 1903-7-2
NEBC: 01020395 Ranunculus abortivus Linnaeus USA: Maine Strong: Strong C. H. Knowlton 1903-7-24
NEBC: 00485635 Ranunculus acris Linnaeus USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
GH: 01020752 Ranunculus aquatilis diffusus Withering USA: Maine Farmington: Farmington C. H. Knowlton 1903-7-18
NEBC: 01020753 Ranunculus aquatilis diffusus Withering USA: Maine Farmington: Farmington C. H. Knowlton 1903-7-18
GH: 01020860 Ranunculus aquatilis diffusus Withering USA: Connecticut Killingly: Killingly C. H. Knowlton 1903-7-2
NEBC: 01020862 Ranunculus aquatilis diffusus Withering USA: Connecticut Killingly: Killingly C. H. Knowlton 1903-7-2
NEBC: 00517255 Ranunculus bulbosus Linnaeus USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
NEBC: 01015800 Ranunculus flabellaris Rafinesque USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
NEBC: 00692695 Ranunculus pensylvanicus Linnaeus f. USA: Maine Temple: Temple C. H. Knowlton 1903-7-25
NEBC: 00719123 Ranunculus recurvatus Poiret USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
NEBC: 00719282 Ranunculus recurvatus Poiret USA: Connecticut Killingly: Killingly C. H. Knowlton 1903-7-2
NEBC: 00580532 Ranunculus repens Linnaeus USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-5-30
NEBC: 00580533 Ranunculus repens Linnaeus USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-5-30
NEBC: 00697595 Thalictrum pubescens Pursh USA: Massachusetts Douglas: Douglas C. H. Knowlton 1903-7-3
Rhamnaceae NEBC: 00643778 Ceanothus americanus Linnaeus USA: Connecticut Killingly: Killingly C. H. Knowlton 1903-7-7
Rosaceae NEBC: 00483888 Amelanchier canadensis (Linnaeus) Medikus USA: Massachusetts Westford: Westford C. H. Knowlton 1903-5-2
GH: 00740820 Amelanchier canadensis (Linnaeus) Medikus USA: Massachusetts Westford: Westford C. H. Knowlton 1903-5-2
GH: 00740821 Amelanchier canadensis (Linnaeus) Medikus USA: Massachusetts Westford: Westford C. H. Knowlton 1903-5-2
GH: 00740820 Amelanchier canadensis oblongifolia Torrey & A. Gray USA: Massachusetts Westford: Westford C. H. Knowlton 1903-5-2
NEBC: 00740568 Amelanchier laevis Wiegand USA: Connecticut Putnam: Putnam C. H. Knowlton 1903-7-5
NEBC: 00743839 Amelanchier laevis Wiegand USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
GH: 00740820 Amelanchier sp. USA: Massachusetts Westford: Westford C. H. Knowlton 1903-5-2
GH: 00740821 Amelanchier sp. USA: Massachusetts Westford: Westford C. H. Knowlton 1903-5-2
NEBC: 00740672 Amelanchier stolonifera Wiegand USA: Massachusetts Tewksbury: Tewksbury, Merrimac river C. H. Knowlton 1903-5-9
NEBC: 00674188 Aronia melanocarpa (Michaux) Elliott USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-5-20
GH: 00744613 Aronia prunifolia (Marshall) Rehder USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-5-30
GH: 00744947 Aronia prunifolia (Marshall) Rehder USA: Rhode Island Burrillville: Burrillville C. H. Knowlton 1903-7-3
NEBC: 00744948 Aronia prunifolia (Marshall) Rehder USA: Rhode Island Burrillville: Burrillville C. H. Knowlton 1903-7-3
NEBC: 00524052 Fragaria vesca Linnaeus USA: Maine C. H. Knowlton 1903-7-24
GH: 00724531 Geum canadense camporum (Rydb.) Fernald & Weath. USA: Maine Strong: Strong C. H. Knowlton 1903-7-24
NEBC: 00524322 Potentilla argentea Linnaeus USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-5-30
NEBC: 00524430 Potentilla argentea Linnaeus USA: Connecticut Killingly: Killingly C. H. Knowlton 1903-7-2
NEBC: 00710616 Potentilla canadensis Linnaeus USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
NEBC: 00710639 Potentilla canadensis Linnaeus USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-5-20
NEBC: 00653089 Potentilla simplex Michaux USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
NEBC: 00653331 Potentilla simplex Michaux USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-5-20
GH: 00742772 Prunus susquehanae Willdenow USA: Massachusetts Tewksbury: Tewksbury C. H. Knowlton 1903-5-9
NEBC: 00758160 Rosa palustris Marshall USA: Connecticut Pomfret: Pomfret C. H. Knowlton 1903-7-5
NEBC: 00644852 Rosa virginiana Miller USA: Rhode Island Burrillville: Burrillville C. H. Knowlton 1903-7-3
NEBC: 00748002 Rubus flagellaris Willdenow USA: Connecticut Thompson: Thompson C. H. Knowlton 1903-7-1
NEBC: 00771257 Rubus idaeus strigosus (Michaux) Maximowicz USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
NEBC: 00771305 Rubus idaeus strigosus (Michaux) Maximowicz USA: Massachusetts Lexington: Lexington C. H. Knowlton 1903-9-19
NEBC: 00651312 Rubus occidentalis Linnaeus USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
NEBC: 00651476 Rubus odoratus Linnaeus USA: Maine Strong: Strong C. H. Knowlton 1903-7-25
NEBC: 00659481 Spiraea latifolia (Aiton) Borkhausen USA: Massachusetts Charlton: Charlton C. H. Knowlton 1903-7-4
Rubiaceae NEBC: 00732681 Galium tinctorium Linnaeus USA: Massachusetts Oxford: Oxford C. H. Knowlton 1903-7-4
NEBC: 00650912 Mitchella repens Linnaeus USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
Salicaceae NEBC: 00769363 Salix humilis tristis (Aiton) Griggs USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
NEBC: 00769487 Salix humilis tristis (Aiton) Griggs USA: Rhode Island Burrillville: Burrillville C. H. Knowlton 1903-7-3
Sarraceniaceae NEBC: 00231179 Sarracenia purpurea Linnaeus USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-5-31
Saxifragaceae NEBC: 01008325 Chrysosplenium americanum Schweinitz ex Hooker USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
NEBC: 00771488 Ribes rubrum Linnaeus USA: Massachusetts Andover: Andover C. H. Knowlton 1903-5-9
GH: 00771493 Ribes rubrum Linnaeus USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-5-10
NEBC: 00563120 Saxifraga pensylvanica Linnaeus USA: Massachusetts Tewksbury: Tewksbury C. H. Knowlton 1903-6-20
Scrophulariaceae NEBC: 00630567 Scrophularia marilandica Linnaeus USA: Massachusetts Lexington: Lexington C. H. Knowlton 1903-9-12
Selaginellaceae NEBC: 00632673 Selaginella apoda (Linnaeus) C. Morren USA: Connecticut Killingly: Killingly C. H. Knowlton 1903-7-2
GH: 00632695 Selaginella apoda (Linnaeus) C. Morren USA: Connecticut Killingly: Killingly C. H. Knowlton 1903-7-2
NEBC: 00738021 Selaginella rupestris (Linnaeus) Spring USA: Massachusetts Billerica: Billerica C. H. Knowlton 1903-9-6
Smilacaceae NEBC: 00865877 Smilax herbacea Linnaeus USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-5-30
NEBC: 00503791 Smilax rotundifolia Linnaeus USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-6-14
NEBC: 00503913 Smilax rotundifolia Linnaeus USA: Rhode Island Burrillville: Burrillville C. H. Knowlton 1903-7-3
Solanaceae NEBC: 00630023 Physalis heterophylla Nees USA: Massachusetts Lexington: Lexington C. H. Knowlton 1903-9-12
NEBC: 00630513 Physalis longifolia subglabrata (Mackenzie & Bush) Cronquist USA: Massachusetts Medford: Medford C. H. Knowlton 1903-10-3
Thelypteridaceae GH: 00631782 Phegopteris hexagonoptera (Michaux) Fée USA: Maine Strong: Strong C. H. Knowlton 1903-7-25
NEBC: 00631783 Phegopteris hexagonoptera (Michaux) Fée USA: Maine Farmington: Farmington C. H. Knowlton 1903-7-18
NEBC: 00708221 Thelypteris noveboracensis (Linnaeus) Nieuwland USA: Rhode Island Burrillville: Burrillville C. H. Knowlton 1903-7-3
Tiliaceae NEBC: 00675997 Tilia americana Linnaeus USA: Maine Falmouth: Falmouth C. H. Knowlton 1903-7-28
NEBC: 00733231 Tilia americana Linnaeus USA: Connecticut Pomfret: Pomfret C. H. Knowlton 1903-7-5
Urticaceae NEBC: 00648129 Laportea canadensis (Linnaeus) Weddell USA: Massachusetts Charlton: Charlton C. H. Knowlton 1903-7-4
NEBC: 00648166 Laportea canadensis (Linnaeus) Weddell USA: Connecticut Pomfret: Pomfret C. H. Knowlton 1903-7-5
NEBC: 00866123 Urtica dioica gracilis (Aiton) Selander USA: Connecticut Pomfret: Pomfret C. H. Knowlton 1903-7-5
Verbenaceae NEBC: 00716921 Verbena hastata Linnaeus USA: Maine Farmington: Farmington C. H. Knowlton 1903-8-7
Violaceae NEBC: 00760209 Viola adunca Smith USA: Maine Cumberland: Cumberland C. H. Knowlton 498 1903-7-28
NEBC: 00504073 Viola cucullata Aiton USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
NEBC: 00560811 Viola labradorica Schrank USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
NEBC: 00560897 Viola labradorica Schrank USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1903-5-4
NEBC: 00569367 Viola lanceolata Linnaeus USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
NEBC: 00629640 Viola pallens (Banks ex Gingins) Brainerd USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
NEBC: 00773827 Viola primulifolia acuta (Bigelow) Torr. & A. Gray USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-9-26
NEBC: 00713610 Viola pubescens Aiton USA: New Hampshire Pelham: Pelham C. H. Knowlton 1903-5-23
NEBC: 00721520 Viola rotundifolia Michaux USA: Maine Falmouth: Falmouth C. H. Knowlton 1903-7-28
GH: 00665437 Viola selkirkii Pursh USA: Maine Farmington: Farmington C. H. Knowlton 1903-7-18
