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Index of Botanical Specimens
Search for collectorid:[38400] and year collected:[1931]
= with images
NEBC: 01065081
[bad data, blank import]
USA: Maine Roque Bluffs: Roque Bluffs C. H. Knowlton 1931-8-21
Aceraceae
NEBC: 00677096
Acer rubrum
Linnaeus USA: Massachusetts Acton: Acton C. H. Knowlton 1931-9-16
Aizoaceae
NEBC: 00751161
Mollugo verticillata
Linnaeus USA: Maine Machias: Machias C. H. Knowlton 1931-8-10
Anacardiaceae
NEBC: 00690944
Rhus typhina
Linnaeus USA: Maine Northfield: Northfield C. H. Knowlton 1931-8-15
NEBC: 00772277
Toxicodendron rydbergii
(Small ex Rydberg) Greene USA: Maine Northfield: Northfield C. H. Knowlton 1931-8-15
Apiaceae
NEBC: 00483612
Cicuta bulbifera
Linnaeus USA: Maine Robbinston: Robbinston C. H. Knowlton 1931-8-29
NEBC: 01036065
Coelopleurum lucidum
(Linnaeus) Fernald USA: Maine Jonesport: Jonesport C. H. Knowlton 1931-8-26
GH: 01050992
Conioselinum chinense
Britton, Stearn & Poggenburg USA: Maine Machias: Machias C. H. Knowlton 1931-8-18
NEBC: 01050993
Conioselinum chinense
Britton, Stearn & Poggenburg USA: Maine Machias: Machias C. H. Knowlton 1931-8-18
NEBC: 01050994
Conioselinum chinense
Britton, Stearn & Poggenburg USA: Maine Machias: Machias C. H. Knowlton 1931-8-14
NEBC: 01051111
Cryptotaenia canadensis
(Linnaeus) de Candolle USA: Vermont Chelsea: Chelsea C. H. Knowlton 1931-7-14
NEBC: 01051374
Hydrocotyle americana
Linnaeus USA: Maine Marshfield: Marshfield C. H. Knowlton 1931-8-10
NEBC: 01010301
Sium suave
Walter USA: Maine Northfield: Northfield C. H. Knowlton 1931-8-13
Araliaceae
NEBC: 00282938
Aralia racemosa
Linnaeus USA: Massachusetts Dudley: C. H. Knowlton 1931-9-10
Aspleniaceae
NEBC: 00663724
Asplenium platyneuron
(Linnaeus) Britton, Sterns & Poggenburg USA: Vermont Milton: Milton C. H. Knowlton 1931-7-16
NEBC: 00681755
Asplenium ruta-muraria
Linnaeus USA: Vermont Milton: Milton C. H. Knowlton 1931-7-16
NEBC: 00701168
Asplenium trichomanes
Linnaeus USA: Vermont Milton: Milton C. H. Knowlton 1931-7-16
Asteraceae
NEBC: 00566726
Achillea millefolium
Linnaeus USA: Maine Farmington: Farmington C. H. Knowlton 1931-9-5
NEBC: 00753278
Ageratina altissima
(Linnaeus) R. M. King & H. Robinson USA: Vermont Proctor: Proctor C. H. Knowlton 1931-9-24
NEBC: 00753326
Ageratina altissima
(Linnaeus) R. M. King & H. Robinson USA: Massachusetts Dudley: Dudley C. H. Knowlton 1931-9-10
NEBC: 01023989
Ambrosia artemisiifolia
Linnaeus USA: Maine Machias: Machias C. H. Knowlton 1931-8-10
NEBC: 01023991
Ambrosia artemisiifolia
Linnaeus USA: Maine Northfield: Northfield C. H. Knowlton 1931-8-15
NEBC: 01023992
Ambrosia artemisiifolia
Linnaeus USA: Maine Wesley: Wesley C. H. Knowlton 1931-8-13
NEBC: 01066044
Anaphalis margaritacea
(Linnaeus) Bentham & Hooker f. USA: Maine Northfield: Northfield C. H. Knowlton 1931-8-15
NEBC: 00531311
Anthemis cotula
Linnaeus USA: Maine Addison: Addison C. H. Knowlton 1931-8-20
NEBC: 00531317
Anthemis cotula
Linnaeus USA: Maine Robbinston: Robbinston C. H. Knowlton 1931-8-29
NEBC: 00566229
Arctium minus
(Hill) Bernhardi USA: Maine Machias: Machias C. H. Knowlton 1931-8-10
NEBC: 00531500
Artemisia absinthium
Linnaeus USA: Maine Roque Bluffs: Roque Bluffs C. H. Knowlton 1931-8-14
NEBC: 01037678
Bidens frondosa
Linnaeus USA: Maine Addison: Addison C. H. Knowlton 1931-8-20
NEBC: 01037684
Bidens frondosa
Linnaeus USA: Maine Jonesport: Jonesport C. H. Knowlton 1931-8-26
NEBC: 01037686
Bidens frondosa
Linnaeus USA: Maine Northfield: Northfield C. H. Knowlton 1931-8-15
NEBC: 01038251
Bidens frondosa
Linnaeus USA: Massachusetts Dudley: Dudley C. H. Knowlton 1931-9-10
NEBC: 01008003
Bidens vulgata
Greene USA: Maine Farmington: Farmington C. H. Knowlton 1931-9-5
NEBC: 00587320
Cirsium vulgare
(Savi) Tenore USA: Maine Jonesport: Jonesport C. H. Knowlton 1931-8-16
NEBC: 00626696
Erechtites hieraciifolius
(Linnaeus) Rafinesque ex de Candolle USA: Massachusetts Sudbury: Sudbury C. H. Knowlton 1931-9-16
NEBC: 00626761
Erechtites hieraciifolius
(Linnaeus) Rafinesque ex de Candolle USA: Massachusetts Dudley: Dudley C. H. Knowlton 1931-9-10
NEBC: 01016685
Erigeron canadensis
Linnaeus USA: Massachusetts Dudley: Dudley C. H. Knowlton 1931-9-10
NEBC: 00535917
Erigeron philadelphicus
Linnaeus USA: Vermont Chelsea: Chelsea C. H. Knowlton 1931-7-14
NEBC: 01052503
Erigeron strigosus
Muhlenberg ex Willdenow USA: Massachusetts Dudley: Dudley C. H. Knowlton 1931-9-10
NEBC: 01052618
Erigeron strigosus septentrionalis
(Fernald & Wiegand) Fernald USA: Vermont Swanton: Swanton C. H. Knowlton 1931-7-19
NEBC: 00755683
Eupatorium perfoliatum
Linnaeus USA: Maine Northfield: Northfield C. H. Knowlton 1931-8-13
NEBC: 01034004
Eupatorium perfoliatum
Linnaeus USA: Massachusetts Dudley: Dudley C. H. Knowlton 1931-9-10
NEBC: 00574218
Eurybia macrophylla
(Linnaeus) Cassini USA: Maine Jonesport: Jonesport C. H. Knowlton 1931-8-20
NEBC: 00574220
Eurybia macrophylla
(Linnaeus) Cassini USA: Maine Northfield: Northfield C. H. Knowlton 1931-8-15
NEBC: 01055131
Euthamia graminifolia
(Linnaeus) Nuttall USA: Massachusetts Dudley: Dudley C. H. Knowlton 1931-9-10
NEBC: 01019041
Eutrochium maculatum
(Linnaeus) E. E. Lamont USA: Maine Northfield: Northfield C. H. Knowlton 1931-8-13
NEBC: 01053842
Gnaphalium uliginosum
Linnaeus USA: Maine Wesley: Wesley C. H. Knowlton 1931-8-12
NEBC: 01017111
Helianthus strumosus
Linnaeus USA: Massachusetts Dudley: Dudley C. H. Knowlton 1931-9-10
NEBC: 00531974
Hieracium aurantiacum
Linnaeus USA: Maine Wesley: Wesley C. H. Knowlton 1931-8-13
NEBC: 00587481
Hieracium aurantiacum
Linnaeus USA: Vermont Chelsea: Chelsea C. H. Knowlton 1931-7-14
NEBC: 01028874
Hieracium kalmii
Linnaeus USA: Maine Strong: Strong C. H. Knowlton 1931-9-4
NEBC: 01028890
Hieracium kalmii
Linnaeus USA: Maine Columbia Falls: Columbia Falls C. H. Knowlton 1931-8-20
NEBC: 01028894
Hieracium kalmii
Linnaeus USA: Maine Northfield: Northfield C. H. Knowlton 1931-8-15
NEBC: 00833396
Hieracium marianum
Willdenow USA: Massachusetts East Weymouth C. H. Knowlton 1931-7-12
NEBC: 00833413
Hieracium paniculatum
Linnaeus USA: Maine Farmington: Farmington C. H. Knowlton 1931-9-4
NEBC: 00833646
Hieracium scabrum
Michaux USA: Maine Phillips: Phillips C. H. Knowlton 1931-9-4
NEBC: 00833660
Hieracium scabrum
Michaux USA: Maine Columbia Falls: Columbia Falls C. H. Knowlton 1931-8-20
NEBC: 00833664
Hieracium scabrum
Michaux USA: Maine Northfield: Northfield C. H. Knowlton 1931-8-13
NEBC: 01070020
Lactuca biennis
(Moench) Fernald USA: Massachusetts Acton: Acton C. H. Knowlton 1931-9-16
NEBC: 00833930
Lactuca canadensis
Linnaeus USA: Maine Farmington: Farmington C. H. Knowlton 1931-9-5
NEBC: 00833958
Lactuca canadensis
Linnaeus USA: Maine Northfield: Northfield C. H. Knowlton 1931-8-13
NEBC: 00833959
Lactuca canadensis
Linnaeus USA: Maine Northfield: Northfield C. H. Knowlton 1931-8-15
NEBC: 01067787
Lactuca canadensis
Linnaeus USA: Massachusetts Oxford: Oxford C. H. Knowlton 1931-9-10
NEBC: 00718186
Matricaria discoidea
de Candolle USA: Maine Machias: Machias C. H. Knowlton 1931-8-10
NEBC: 00575210
Nabalus albus
(Linnaeus) Hooker USA: Massachusetts Acton: Acton C. H. Knowlton 1931-9-16
NEBC: 00575211
Nabalus albus
(Linnaeus) Hooker USA: Massachusetts Acton: Acton C. H. Knowlton 1931-9-16
NEBC: 00575246
Nabalus albus
(Linnaeus) Hooker USA: Massachusetts Dudley: Dudley C. H. Knowlton 1931-9-10
NEBC: 00680495
Nabalus serpentarius
(Pursh) Hooker USA: Massachusetts Sudbury: Sudbury C. H. Knowlton 1931-9-16
NEBC: 01017512
Petasites frigidus
(Linnaeus) Fries USA: Maine Roque Bluffs: Roque Bluffs C. H. Knowlton 1931-8-25
NEBC: 00626049
Rudbeckia hirta pulcherrima
Farwell USA: Maine Wesley: Wesley C. H. Knowlton 1931-8-13
NEBC: 00718581
Scorzoneroides autumnalis borealis
(Ball) Greuter USA: Maine Addison: Addison C. H. Knowlton 1931-8-20
NEBC: 01077262
Solidago arguta
Aiton USA: Vermont Wells: Wells C. H. Knowlton 1931-9-23
NEBC: 01077294
Solidago arguta
Aiton USA: Massachusetts Douglas: Douglas C. H. Knowlton 1931-9-10
NEBC: 01077295
Solidago arguta
Aiton USA: Massachusetts Dudley: Dudley C. H. Knowlton 1931-9-10
NEBC: 00553173
Solidago bicolor
Linnaeus USA: Vermont Rockingham: Rockingham C. H. Knowlton 1931-9-25
NEBC: 00553249
Solidago bicolor
Linnaeus USA: Massachusetts Dudley: Dudley C. H. Knowlton 1931-9-10
NEBC: 01054178
Solidago caesia
Linnaeus USA: Vermont Wells: Wells C. H. Knowlton 1931-9-23
NEBC: 01054184
Solidago caesia
Linnaeus USA: Vermont Rockingham: Rockingham C. H. Knowlton 1931-9-25
NEBC: 01077461
Solidago caesia
Linnaeus USA: Massachusetts Dudley: Dudley C. H. Knowlton 1931-9-10
NEBC: 01077549
Solidago canadensis
Linnaeus USA: Maine Northfield: Northfield C. H. Knowlton 1931-8-13
NEBC: 01055376
Solidago flexicaulis
Linnaeus USA: Maine Perry: Perry C. H. Knowlton 1931-8-29
NEBC: 01054518
Solidago gigantea
Aiton USA: Massachusetts Dudley: Dudley C. H. Knowlton 1931-9-10
NEBC: 01054618
Solidago hispida
Muhlenberg ex Willdenow USA: Maine Phillips: Phillips C. H. Knowlton 1931-9-14
NEBC: 01054825
Solidago juncea
Aiton USA: Massachusetts Dudley: Dudley C. H. Knowlton 1931-9-10
NEBC: 01054976
Solidago macrophylla
Pursh USA: Maine Jonesport: Jonesport C. H. Knowlton 1931-8-26
NEBC: 01054979
Solidago macrophylla
Pursh USA: Maine Roque Bluffs: Roque Bluffs C. H. Knowlton 1931-8-21
GH: 02003082
Solidago macrophylla
Pursh USA: Maine Roque Bluffs C. H. Knowlton 592 1931-8-21
NEBC: 01056696
Solidago nemoralis
Aiton USA: Massachusetts Dudley: Dudley C. H. Knowlton 1931-9-10
NEBC: 01056708
Solidago nemoralis
Aiton USA: Massachusetts Westborough: Westborough C. H. Knowlton 1931-9-18
NEBC: 00501254
Solidago rugosa
Miller USA: Massachusetts Dudley: Dudley C. H. Knowlton 1931-9-10
NEBC: 00501264
Solidago rugosa
Miller USA: Massachusetts Westboro C. H. Knowlton 1931-9-18
NEBC: 00501437
Solidago rugosa aspera
(Aiton) Fernald USA: Massachusetts Dudley: Dudley C. H. Knowlton 1931-9-10
NEBC: 02266016
Solidago speciosa
Nuttall USA: Massachusetts Deerfield: Deerfield C. H. Knowlton 1931-9-22
NEBC: 01064814
Solidago squarrosa
Nuttall USA: Vermont Wells: Wells C. H. Knowlton 1931-9-23
NEBC: 01056894
Solidago uliginosa
Nuttall USA: Maine Northfield: Northfield C. H. Knowlton 1931-8-13
GH: 01056898
Solidago uliginosa
Nuttall USA: Maine Roque Bluffs: Roque Bluffs C. H. Knowlton 1931-8-24
NEBC: 01056899
Solidago uliginosa
Nuttall USA: Maine Roque Bluffs: Roque Bluffs C. H. Knowlton 1931-8-24
NEBC: 01056900
Solidago uliginosa
Nuttall USA: Maine Roque Bluffs: Roque Bluffs C. H. Knowlton 1931-8-24
NEBC: 01056947
Solidago uliginosa
Nuttall USA: Vermont Shaftsbury: Shaftsbury C. H. Knowlton 1931-9-23
NEBC: 01064924
Solidago uliginosa
Nuttall USA: Massachusetts Douglas: Douglas C. H. Knowlton 1931-9-10
NEBC: 01064928
Solidago uliginosa
Nuttall USA: Massachusetts Oxford: Oxford C. H. Knowlton 1931-9-10
NEBC: 01064935
Solidago uliginosa
Nuttall USA: Massachusetts Westborough: Westborough C. H. Knowlton 1931-9-18
NEBC: 00626255
Sonchus arvensis
Linnaeus USA: Maine Machias: Machias C. H. Knowlton 1931-8-10
NEBC: 00637372
Sonchus arvensis uliginosus
(M. Bieberstein) Nyman USA: Maine Robbinston: Robbinston C. H. Knowlton 1931-8-29
NEBC: 00834766
Symphyotrichum
USA: Vermont Shaftsbury: Shaftsbury C. H. Knowlton 1931-9-23
NEBC: 00831886
Symphyotrichum dumosum
(Linnaeus) G. L. Nesom USA: Massachusetts Acton: Acton C. H. Knowlton 1931-9-16
NEBC: 01015955
Symphyotrichum lanceolatum
(Willdenow) G. L. Nesom USA: Massachusetts Sudbury: Sudbury C. H. Knowlton 1931-9-16
NEBC: 00697216
Symphyotrichum lateriflorum
(Linnaeus) Á. Löve & D. Löve USA: Vermont Wells: Wells C. H. Knowlton 1931-9-23
NEBC: 00697223
Symphyotrichum lateriflorum
(Linnaeus) Á. Löve & D. Löve USA: Vermont Manchester (Vermont): Manchester C. H. Knowlton 1931-9-23
NEBC: 00697288
Symphyotrichum lateriflorum
(Linnaeus) Á. Löve & D. Löve USA: Massachusetts Oxford: Oxford C. H. Knowlton 1931-9-10
NEBC: 00697297
Symphyotrichum lateriflorum
(Linnaeus) Á. Löve & D. Löve USA: Massachusetts Westborough: Westborough C. H. Knowlton 1931-9-18
NEBC: 00832371
Symphyotrichum novi-belgii
(Linnaeus) G. L. Nesom USA: Maine Machias: Machias C. H. Knowlton 1931-9-1
NEBC: 00832372
Symphyotrichum novi-belgii
(Linnaeus) G. L. Nesom USA: Maine Machias: Machias C. H. Knowlton 1931-8-28
NEBC: 01031351
Symphyotrichum novi-belgii
(Linnaeus) G. L. Nesom USA: Massachusetts Westborough: Westborough C. H. Knowlton 1931-9-18
NEBC: 00574670
Symphyotrichum patens
(Aiton) G. L. Nesom USA: Massachusetts Uxbridge: Uxbridge C. H. Knowlton 1931-9-10
NEBC: 01031517
Symphyotrichum pilosum pringlei
(A. Gray) G. L. Nesom USA: Vermont Manchester (Vermont): Manchester C. H. Knowlton 1931-9-23
NEBC: 01031754
Symphyotrichum puniceum
(Linnaeus) Á. Löve & D. Löve USA: Maine Roque Bluffs: Roque Bluffs C. H. Knowlton 1931-9-1
NEBC: 01031904
Symphyotrichum puniceum
(Linnaeus) Á. Löve & D. Löve USA: Massachusetts Dudley: Dudley C. H. Knowlton 1931-9-10
NEBC: 01031913
Symphyotrichum puniceum
(Linnaeus) Á. Löve & D. Löve USA: Massachusetts Upton: Upton C. H. Knowlton 1931-9-18
NEBC: 01014529
Symphyotrichum racemosum
(Elliott) G. L. Nesom USA: Massachusetts Douglas: Douglas C. H. Knowlton 1931-9-10
NEBC: 01014530
Symphyotrichum racemosum
(Elliott) G. L. Nesom USA: Massachusetts Dudley: Dudley C. H. Knowlton 1931-9-10
NEBC: 01014540
Symphyotrichum racemosum
(Elliott) G. L. Nesom USA: Massachusetts Westborough: Westborough C. H. Knowlton 1931-9-18
NEBC: 00834705
Symphyotrichum undulatum
(Linnaeus) G. L. Nesom USA: Massachusetts Uxbridge: Uxbridge C. H. Knowlton 1931-9-10
NEBC: 00655041
Tanacetum vulgare
Linnaeus USA: Maine Machiasport: Machiasport C. H. Knowlton 1931-8-31
NEBC: 00576071
Tussilago farfara
Linnaeus USA: Maine Machias: Machias C. H. Knowlton 1931-8-20
Athyriaceae
NEBC: 00576323
Cystopteris bulbifera
(Linnaeus) Bernhardi USA: Vermont Milton: Milton C. H. Knowlton 1931-7-16
Betulaceae
NEBC: 00627922
Corylus americana
Walter USA: Massachusetts East Weymouth Town C. H. Knowlton 1931-7-12
Boraginaceae
NEBC: 00638612
Mertensia maritima
(Linnaeus) Gray USA: Maine Jonesport: Jonesport C. H. Knowlton 1931-8-26
NEBC: 00577214
Myosotis scorpioides
Linnaeus USA: Vermont Milton: Milton C. H. Knowlton 1931-7-16
Brassicaceae
NEBC: 00593260
Brassica nigra
(Linnaeus) W. D. J. Koch USA: Maine Machias: Machias C. H. Knowlton 1931-8-10
NEBC: 00617877
Lepidium densiflorum
Schrader USA: Maine Addison: Addison C. H. Knowlton 1931-8-20
NEBC: 00617878
Lepidium densiflorum
Schrader USA: Maine Addison: Addison C. H. Knowlton 1931-8-20
NEBC: 00582273
Lepidium densiflorum
Schrader USA: Vermont Swanton: Swanton C. H. Knowlton 1931-7-19
NEBC: 01023508
Lepidium virginicum
Linnaeus USA: Maine Machias: Machias C. H. Knowlton 1931-8-10
NEBC: 00582863
Sisymbrium officinale leiocarpum
de Candolle USA: Vermont Swanton: Swanton C. H. Knowlton 1931-7-19
Caprifoliaceae
NEBC: 00682020
Diervilla lonicera
Miller USA: Maine Northfield: Northfield C. H. Knowlton 1931-8-15
NEBC: 00633348
Linnaea borealis americana
(Forbes) Rehder USA: Maine Northfield: Northfield C. H. Knowlton 1931-8-15
NEBC: 00682315
Lonicera canadensis
Bartram ex Marsh. USA: Maine Machias: Machias C. H. Knowlton 1931-8-28
NEBC: 00713989
Sambucus nigra canadensis
(L.) R. Bolli USA: Maine Whitneyville: Whitneyville C. H. Knowlton 1931-8-10
NEBC: 00680227
Triosteum aurantiacum
E. P. Bicknell USA: Vermont Wilton C. H. Knowlton 1931-7-16
Caryophyllaceae
NEBC: 00525115
Dianthus armeria
Linnaeus USA: Massachusetts Weymouth Town C. H. Knowlton 1931-7-12
NEBC: 00689527
Minuartia michauxii
Farwell USA: Vermont Milton: Milton C. H. Knowlton 1931-7-16
NEBC: 00698656
Moehringia lateriflora robusta
(Linnaeus) Fenzl USA: Maine Jonesport: Jonesport C. H. Knowlton 1931-8-26
NEBC: 00722697
Sagina nodosa
(Linnaeus) Fenzl USA: Maine Jonesport: Jonesport C. H. Knowlton 1931-8-26
NEBC: 00722702
Sagina nodosa
(Linnaeus) Fenzl USA: Maine Machiasport: Machiasport C. H. Knowlton 1931-8-17
NEBC: 00525491
Silene vulgaris
(Moench) Garcke USA: Connecticut Machias C. H. Knowlton 1931-8-10
NEBC: 00525541
Silene vulgaris
(Moench) Garcke USA: Vermont Chelsea: Chelsea C. H. Knowlton 1931-7-14
Celastraceae
NEBC: 00295184
Celastrus scandens
Linnaeus USA: Vermont Milton: C. H. Knowlton 1931-7-16
Convolvulaceae
NEBC: 00684213
Cuscuta gronovii
Willdenow ex Roemer & Schultes USA: Maine Roque Bluffs: Roque Bluffs C. H. Knowlton 1931-8-23
Cornaceae
NEBC: 00773587
Cornus amomum
Miller USA: Vermont Milton: Milton C. H. Knowlton 1931-7-16
NEBC: 00767160
Cornus amomum
Miller USA: Massachusetts Westborough: Westborough C. H. Knowlton 1931-9-18
NEBC: 00573433
Cornus racemosa
Lamarck USA: Massachusetts Acton: Acton C. H. Knowlton 1931-9-16
NEBC: 00573514
Cornus racemosa
Lamarck USA: Massachusetts Oxford: Oxford C. H. Knowlton 1931-9-10
NEBC: 00502579
Cornus rugosa
Lamarck USA: Vermont Milton: Milton C. H. Knowlton 1931-7-16
Crassulaceae
NEBC: 00675057
Sedum rosea
(Linnaeus) Scopoli USA: Maine Jonesport: Jonesport C. H. Knowlton 1931-8-26
Cyperaceae
NEBC: 01182702
Bulbostylis capillaris
(Linnaeus) Kunth ex C. B. Clarke USA: Maine Machias: Machias C. H. Knowlton 1931-8-10
NEBC: 00217139
Carex aurea
Nuttall USA: Vermont Middlebury: C. H. Knowlton 1931-5-22
NEBC: 00222462
Carex communis communis
USA: Vermont South Hero: C. H. Knowlton 1931-5-24
NEBC: 00228827
Carex cumulata
(L. H. Bailey) Mackenzie USA: Maine Northfield: C. H. Knowlton 1931-8-13
NEBC: 00242727
Carex flava
Linnaeus USA: Vermont Chelsea: C. H. Knowlton 1931-7-14
NEBC: 00241044
Carex folliculata
Linnaeus USA: Maine Northfield: C. H. Knowlton 1931-8-13
NEBC: 00260616
Carex hormathodes
Fernald USA: Maine Jonesport: doublehaeded Shot Isl [Island] C. H. Knowlton 1931-8-26
NEBC: 00808432
Carex lurida
Wahlenberg USA: Vermont Burlington: Burlington C. H. Knowlton 1931-7-16
NEBC: 00895264
Carex michauxiana
Boeckeler USA: Maine Salem C. H. Knowlton 1931-9-4
NEBC: 00717097
Carex muehlenbergii enervis
Boott USA: Massachusetts East Weymouth Town C. H. Knowlton 1931-7-4
NEBC: 00854434
Carex pedunculata
Muhlenberg ex Willdenow USA: Vermont Milton: Milton C. H. Knowlton 1931-7-16
NEBC: 01043295
Carex vulpinoidea
Michaux USA: Vermont Swanton: Swanton C. H. Knowlton 1931-7-19
NEBC: 01048041
Eleocharis erythropoda
Steudel USA: Vermont Swanton: Swanton C. H. Knowlton 1931-7-18
NEBC: 00894962
Scirpus cyperinus
(Linnaeus) Kunth USA: Maine Columbia Falls: Columbia Falls C. H. Knowlton 1931-8-20
NEBC: 00894969
Scirpus cyperinus
(Linnaeus) Kunth USA: Maine Northfield: Northfield C. H. Knowlton 1931-8-13
NEBC: 01160588
Scirpus fluviatilis
(Torrey) A. Gray USA: Vermont Swanton: Swanton C. H. Knowlton 1931-7-18
NEBC: 01160853
Scirpus pedicellatus
Fernald USA: Maine Northfield: Northfield C. H. Knowlton 1931-8-13
Dennstaedtiaceae
NEBC: 00677948
Dennstaedtia punctilobula
(Michaux) T. Moore USA: Maine Northfield: Northfield C. H. Knowlton 1931-8-15
NEBC: 00631327
Pteridium aquilinum pseudocaudatum
(Clute) Hultén USA: Massachusetts East Weymouth C. H. Knowlton 1931-7-4
Dryopteridaceae
NEBC: 00667566
Dryopteris campyloptera
(Kunze) Clarkson USA: Maine Jonesport: Jonesport C. H. Knowlton 1931-8-26
NEBC: 00704717
Dryopteris intermedia
(Muhlenberg ex Willdenow) A. Gray USA: Maine Northfield: Northfield C. H. Knowlton 1931-8-15
NEBC: 00636235
Dryopteris marginalis
(Linnaeus) A. Gray USA: Vermont Milton: Milton C. H. Knowlton 1931-7-16
NEBC: 00657735
Dryopteris marginalis
(Linnaeus) A. Gray USA: Massachusetts Dudley: Dudley C. H. Knowlton 1931-9-10
Dysphaniaceae
NEBC: 00592452
Dysphania botrys
(Linnaeus) Mosyakin & Clemants USA: Vermont Milton: Milton C. H. Knowlton 1931-7-16
Ericaceae
NEBC: 00638196
Vaccinium vitis-idaea minus
Loddiges USA: Maine Jonesport: Jonesport C. H. Knowlton 1931-8-26
Fabaceae
NEBC: 00501472
Trifolium arvense
Linnaeus USA: Maine Addison: Addison C. H. Knowlton 1931-8-20
Fagaceae
NEBC: 00662470
Quercus coccinea
Münchhausen USA: Massachusetts Stow: Stow C. H. Knowlton 1931-9-16
NEBC: 00676094
Quercus prinoides
Willdenow USA: Massachusetts East Weymouth C. H. Knowlton 1931-7-19
Geraniaceae
NEBC: 01068320
Geranium maculatum
Linnaeus USA: Massachusetts Stoughton: Stoughton C. H. Knowlton 1931-6-28
NEBC: 01068505
Geranium robertianum
Linnaeus USA: Vermont Milton: Milton C. H. Knowlton 1931-7-16
Hypericaceae
NEBC: 00774177
Hypericum canadense
Linnaeus USA: Maine Addison: Addison C. H. Knowlton 1931-8-20
NEBC: 00773188
Hypericum ellipticum
Hooker USA: Maine Northfield: Northfield C. H. Knowlton 1931-8-15
NEBC: 00765215
Hypericum perforatum
Linnaeus USA: Maine Wesley: Wesley C. H. Knowlton 1931-8-13
NEBC: 00774990
Triadenum virginicum
(Linnaeus) Rafinesque USA: Maine Northfield: Northfield C. H. Knowlton 1931-8-13
Iridaceae
NEBC: 00869966
Iris hookeri
Penny ex Loudon USA: Maine Jonesport: Jonesport C. H. Knowlton 1931-8-26
Juglandaceae
NEBC: 00622033
Carya ovata
(Miller) K. Koch USA: Vermont Milton: Milton C. H. Knowlton 1931-7-16
Juncaceae
NEBC: 00859003
Juncus effusus solutus
Fernald & Wiegand USA: Maine Columbia Falls: Columbia Falls C. H. Knowlton 1931-8-20
NEBC: 00859004
Juncus effusus solutus
Fernald & Wiegand USA: Maine Northfield: Northfield C. H. Knowlton 1931-8-13
NEBC: 00835849
Juncus effusus decipiens
Buchenau USA: Maine Addison: Addison C. H. Knowlton 1931-8-20
NEBC: 00865367
Luzula multiflora
(Ehrhart) Lejeune USA: Massachusetts Randolph: Randolph C. H. Knowlton 1931-6-28
Lamiaceae
NEBC: 00656158
Clinopodium vulgare
Linnaeus USA: Vermont Milton: Milton C. H. Knowlton 1931-7-16
NEBC: 00656161
Clinopodium vulgare
Linnaeus USA: Vermont Chelsea: Chelsea C. H. Knowlton 1931-7-14
NEBC: 00696431
Collinsonia canadensis
Linnaeus USA: Massachusetts Dudley: Dudley C. H. Knowlton 1931-9-10
NEBC: 00656264
Galeopsis bifida
Boenninghausen USA: Maine Machias: Machias C. H. Knowlton 1931-8-10
NEBC: 00696912
Lycopus uniflorus
Michaux USA: Maine Northfield: Northfield C. H. Knowlton 1931-8-15
NEBC: 00749010
Mentha arvensis
Linnaeus USA: Maine Northfield: Northfield C. H. Knowlton 1931-8-15
NEBC: 00581892
Nepeta cataria
Linnaeus USA: Vermont Milton: Milton C. H. Knowlton 1931-7-16
NEBC: 00751877
Prunella vulgaris lanceolata
(W. P. C. Barton) Fernald USA: Massachusetts Dudley: Dudley C. H. Knowlton 1931-9-10
NEBC: 00648929
Scutellaria galericulata
Linnaeus USA: Maine Jonesport: Jonesport C. H. Knowlton 1931-8-26
NEBC: 00648931
Scutellaria galericulata
Linnaeus USA: Maine Northfield: Northfield C. H. Knowlton 1931-8-15
NEBC: 00686589
Scutellaria lateriflora
Linnaeus USA: Maine Northfield: Northfield C. H. Knowlton 1931-8-13
NEBC: 00686612
Trichostema dichotomum
Linnaeus USA: Massachusetts Westborough: Westborough C. H. Knowlton 1931-9-18
Liliaceae
NEBC: 00817330
Maianthemum racemosum
(Linnaeus) Link USA: Vermont Milton: Milton C. H. Knowlton 1931-7-16
NEBC: 00810922
Uvularia sessilifolia
Linnaeus USA: Maine Northfield: Northfield C. H. Knowlton 1931-8-15
Lobeliaceae
NEBC: 00820560
Lobelia cardinalis
Linnaeus USA: Maine Crawford: Crawford C. H. Knowlton 1931-8-13
NEBC: 00820562
Lobelia cardinalis
Linnaeus USA: Maine Northfield: Northfield C. H. Knowlton 1931-8-13
NEBC: 00755424
Lobelia inflata
Linnaeus USA: Maine Addison: Addison C. H. Knowlton 1931-8-20
NEBC: 00755427
Lobelia inflata
Linnaeus USA: Maine Northfield: Northfield C. H. Knowlton 1931-8-13
Lythraceae
NEBC: 00551129
Lythrum salicaria
Linnaeus USA: Vermont Milton: Milton C. H. Knowlton 1931-7-16
Menispermaceae
NEBC: 00834059
Menispermum canadense
Linnaeus USA: Vermont Swanton: Swanton C. H. Knowlton 1931-7-19
Oleaceae
NEBC: 00602093
Fraxinus americana
Linnaeus USA: Maine Perry: Perry C. H. Knowlton 1931-8-29
Onagraceae
NEBC: 01039361
Chamaenerion angustifolium
(Linnaeus) Scopoli USA: Maine Northfield: Northfield C. H. Knowlton 1931-8-13
NEBC: 01074135
Circaea alpina
Linnaeus USA: Vermont Chelsea: Chelsea C. H. Knowlton 1931-7-14
NEBC: 01074539
Circaea sterilis
Boufford USA: Vermont Swanton: Swanton C. H. Knowlton 1931-7-19
NEBC: 01074611
Epilobium ciliatum
Rafinesque USA: Maine Columbia Falls: Columbia Falls C. H. Knowlton 1931-8-20
NEBC: 01057565
Epilobium leptophyllum
Rafinesque USA: Maine Columbia Falls: Columbia Falls C. H. Knowlton 1931-8-20
NEBC: 01026736
Oenothera biennis
Linnaeus USA: Maine Machias: Machias C. H. Knowlton 1931-8-10
Ophioglossaceae
NEBC: 00739377
Botrychium matricariifolium
A. Brown USA: Vermont Chelsea: Chelsea C. H. Knowlton 1931-7-14
Orchidaceae
NEBC: 00834386
Coeloglossum viride bracteata
(Muhlenberg) Grey USA: Vermont Irasburg: Irasburg C. H. Knowlton 1931-5-28
NEBC: 00728977
Platanthera huronensis
(Nuttall) Lindley USA: Vermont Chelsea: Chelsea C. H. Knowlton 1931-7-14
NEBC: 01077955
Spiranthes cernua
(Linnaeus) Richard USA: Maine Phillips: Phillips C. H. Knowlton 1931-9-4
Orobanchaceae
NEBC: 00630609
Aureolaria virginica
(Linnaeus) Pennell USA: Massachusetts East Weymouth C. H. Knowlton 1931-7-12
Osmundaceae
NEBC: 00720137
Osmunda regalis spectabilis
(Willdenow) A. Gray USA: Maine Crawford: Crawford C. H. Knowlton 1931-8-13
Oxalidaceae
NEBC: 01071387
Oxalis stricta
Linnaeus USA: Maine Addison: Addison C. H. Knowlton 1931-8-20
NEBC: 01071399
Oxalis stricta
Linnaeus USA: Maine Northfield: Northfield C. H. Knowlton 1931-8-15
Phrymaceae
NEBC: 00664686
Phryma leptostachya
Linnaeus USA: Vermont Swanton: Swanton C. H. Knowlton 1931-7-19
NEBC: 00664696
Phryma leptostachya
Linnaeus USA: Vermont Milton: Milton C. H. Knowlton 1931-7-16
Plantaginaceae
NEBC: 00617228
Plantago major
Linnaeus USA: Maine Northfield: Northfield C. H. Knowlton 1931-8-15
NEBC: 00650552
Plantago maritima juncoides
(Lamarck) A. Gray USA: Maine Jonesport: Jonesport C. H. Knowlton 1931-8-26
NEBC: 00650561
Plantago maritima juncoides
(Lamarck) A. Gray USA: Maine Machiasport: Machiasport C. H. Knowlton 1931-8-17
NEBC: 00656468
Veronica arvensis
Linnaeus USA: Maine Addison: Addison C. H. Knowlton 1931-8-20
NEBC: 00656912
Veronica persica
Poiret USA: Maine Machias: Machias C. H. Knowlton 1931-8-28
Poaceae
NEBC: 00868047
Bromus ciliatus
Linnaeus USA: Maine Northfield: Northfield C. H. Knowlton 1931-8-13
NEBC: 01178239
Danthonia spicata
(Linnaeus) P. Beauvois ex Roemer & Schultes USA: Massachusetts Randolph: Randolph C. H. Knowlton 1931-6-28
NEBC: 02285909
Dichanthelium dichotomum
(Linnaeus) Gould USA: Massachusetts Milton: Blue Hill Reservoir C. H. Knowlton 1931-7-5
NEBC: 01151095
Dichanthelium latifolium
(Linnaeus) Harvill USA: Massachusetts East Weymouth C. H. Knowlton 1931-7-12
NEBC: 02285908
Dichanthelium linearifolium
(Scribner) Gould USA: Massachusetts Milton: Blue Hill Reservoir C. H. Knowlton 1931-7-5
NEBC: 00865753
Elymus hystrix
Linnaeus USA: Vermont Milton: Milton C. H. Knowlton 1931-7-16
NEBC: 00863167
Elymus trachycaulus
(Link) Gould ex Shinners USA: Maine Jonesport: Jonesport C. H. Knowlton 1931-8-26
NEBC: 00863168
Elymus trachycaulus
(Link) Gould ex Shinners USA: Maine Jonesport: Jonesport C. H. Knowlton 1931-8-26
NEBC: 00859306
Glyceria canadensis
(Michaux) Trinius USA: Maine Roque Bluffs: Roque Bluffs C. H. Knowlton 1931-8-25
NEBC: 00859314
Glyceria canadensis
(Michaux) Trinius USA: Maine Northfield: Northfield C. H. Knowlton 1931-8-15
NEBC: 00864841
Muhlenbergia mexicana
(Linnaeus) Trinius USA: Maine Strong: Strong C. H. Knowlton 1931-9-4
NEBC: 00864955
Muhlenbergia mexicana
(Linnaeus) Trinius USA: Vermont Rockingham: Rockingham C. H. Knowlton 1931-9-25
NEBC: 00855899
Muhlenbergia schreberi
J. F. Gmelin USA: Massachusetts Hingham: Hingham C. H. Knowlton 1931-9-13
NEBC: 00689177
Panicum philadelphicum
Bernhardi ex Trinius USA: Maine Crawford: Crawford C. H. Knowlton 1931-8-9
NEBC: 00689177
Panicum tuckermanii
Fernald USA: Maine Crawford: Crawford C. H. Knowlton 1931-8-9
NEBC: 00614200
Setaria viridis
(Linnaeus) P. Beauvois USA: Maine Machias: Machias C. H. Knowlton 1931-8-10
NEBC: 00614246
Setaria viridis
(Linnaeus) P. Beauvois USA: Vermont Swanton: Swanton C. H. Knowlton 1931-7-19
Polygalaceae
NEBC: 00752129
Polygala sanguinea
Linnaeus USA: Massachusetts Dudley: Dudley C. H. Knowlton 1931-9-10
Polygonaceae
NEBC: 00749598
Polygonum aviculare depressum
(Meisner) Arcangeli USA: Maine Machias: Machias C. H. Knowlton 1931-8-10
NEBC: 00762279
Polygonum boreale
(Lange) Small USA: Maine Jonesport: Jonesport C. H. Knowlton 1931-8-26
NEBC: 00731903
Polygonum lapathifolium
Linnaeus USA: Maine Perry: Perry C. H. Knowlton 1931-8-29
NEBC: 00729167
Polygonum sagittatum
Linnaeus USA: Maine Addison: Addison C. H. Knowlton 1931-8-20
NEBC: 00729325
Polygonum sagittatum
Linnaeus USA: Massachusetts Dudley: Dudley C. H. Knowlton 1931-9-10
NEBC: 00736947
Rumex pallidus
Bigelow USA: Maine Jonesport: Jonesport C. H. Knowlton 1931-8-26
Polypodiaceae
NEBC: 00658056
Polypodium virginianum
Linnaeus USA: Vermont Milton: Milton C. H. Knowlton 1931-7-16
Pontederiaceae
NEBC: 00855491
Pontederia cordata
Linnaeus USA: Maine Northfield: Northfield C. H. Knowlton 1931-8-13
Ranunculaceae
NEBC: 00753729
Anemone virginiana
Linnaeus USA: Vermont Swanton: Swanton C. H. Knowlton 1931-7-19
NEBC: 00753735
Anemone virginiana
Linnaeus USA: Vermont Milton: Milton C. H. Knowlton 1931-7-16
NEBC: 00575786
Clematis virginiana
Linnaeus USA: Massachusetts Westborough: Westborough C. H. Knowlton 1931-9-18
NEBC: 00595941
Hepatica acutiloba
de Candolle USA: Vermont Milton: Milton C. H. Knowlton 1931-7-16
NEBC: 01013258
Hepatica americana
(de Candolle) Ker Gawler USA: Vermont Milton: Milton C. H. Knowlton 1931-7-16
NEBC: 00692953
Thalictrum pubescens
Pursh USA: Maine Northfield: Northfield C. H. Knowlton 1931-8-13
Rhamnaceae
NEBC: 00415072
Ceanothus americanus
Linnaeus USA: Massachusetts B. H. [Blue Hills] Reserv. C. H. Knowlton 1931-7-5
NEBC: 00415072
Ceanothus americanus intermedius
(Pursh) Torrey & A. Gray USA: Massachusetts B. H. [Blue Hills] Reserv. C. H. Knowlton 1931-7-5
Rosaceae
NEBC: 00649866
Agrimonia striata
Michaux USA: Maine Perry: Perry C. H. Knowlton 1931-8-29
NEBC: 00661695
Amelanchier laevis
Wiegand USA: Maine Marshfield: Marshfield C. H. Knowlton 1931-8-10
NEBC: 00661696
Amelanchier laevis
Wiegand USA: Maine Northfield: Northfield C. H. Knowlton 1931-8-15
NEBC: 00740647
Amelanchier stolonifera
Wiegand USA: Maine Machias: Machias C. H. Knowlton 1931-8-10
NEBC: 00661919
Amelanchier stolonifera
Wiegand USA: Vermont Milton: Milton C. H. Knowlton 1931-7-16
NEBC: 00688876
Geum aleppicum strictum
Fernald USA: Vermont Swanton: Swanton C. H. Knowlton 1931-7-19
NEBC: 00688995
Geum canadense
Jacquin USA: Vermont Swanton: Swanton C. H. Knowlton 1931-7-19
NEBC: 00561047
Potentilla norvegica
Linnaeus USA: Maine Addison: Addison C. H. Knowlton 1931-8-20
NEBC: 00561050
Potentilla norvegica
Linnaeus USA: Maine Jonesport: Jonesport C. H. Knowlton 1931-8-26
NEBC: 00756429
Potentilla simplex
Michaux USA: Maine Northfield: Northfield C. H. Knowlton 1931-8-15
NEBC: 00740028
Prunus pensylvanica
Linnaeus f. USA: Maine Northfield: Northfield C. H. Knowlton 1931-8-15
NEBC: 00742918
Prunus virginiana
Linnaeus USA: Vermont Swanton: Swanton C. H. Knowlton 1931-7-19
NEBC: 00669385
Rosa blanda
Aiton USA: Maine Edmunds C. H. Knowlton 1931-7-29
NEBC: 00758235
Rosa virginiana
Miller USA: Maine Northfield: Northfield C. H. Knowlton 1931-8-15
NEBC: 00651616
Rubus odoratus
Linnaeus USA: Vermont Chelsea: Chelsea C. H. Knowlton 1931-7-14
Rubiaceae
NEBC: 00650832
Galium aparine
Linnaeus USA: Maine Jonesport: Jonesport C. H. Knowlton 1931-8-26
NEBC: 00503703
Galium asprellum
Michaux USA: Massachusetts Oxford: Oxford C. H. Knowlton 1931-9-10
NEBC: 00503554
Galium asprellum
Michaux USA: Maine Northfield: Northfield C. H. Knowlton 1931-8-13
NEBC: 00558444
Galium circaezans hypomalacum
Fernald USA: Massachusetts East Weymouth C. H. Knowlton 1931-7-12
GH: 02138861
Galium palustre
Linnaeus Canada: Quebec Province [data not captured] C. H. Knowlton 1931-7-18
NEBC: 00755158
Galium palustre
Linnaeus USA: Maine Columbia Falls: Columbia Falls C. H. Knowlton 1931-8-20
NEBC: 00732123
Galium palustre
Linnaeus USA: Vermont Swanton: Swanton C. H. Knowlton 1931-7-19
NEBC: 00732137
Galium palustre
Linnaeus USA: Vermont Chelsea: Chelsea C. H. Knowlton 1931-7-14
NEBC: 00670939
Galium tinctorium
Linnaeus USA: Maine Northfield: Northfield C. H. Knowlton 1931-8-13
NEBC: 00820122
Galium trifidum halophilum
Fernald & Wiegand USA: Maine Jonesport: Jonesport C. H. Knowlton 1931-8-26
NEBC: 00503366
Galium triflorum
Michaux USA: Vermont Chelsea: Chelsea C. H. Knowlton 1931-7-14
Salicaceae
NEBC: 00646780
Salix pyrifolia
Andersson USA: Maine Northfield: Northfield C. H. Knowlton 1931-8-13
Saxifragaceae
NEBC: 01038660
Mitella diphylla
Linnaeus USA: Vermont Chelsea: Chelsea C. H. Knowlton 1931-7-14
Scrophulariaceae
NEBC: 00686773
Lindernia dubia
(Linnaeus) Pennell USA: Maine Marshfield: Marshfield C. H. Knowlton 1931-8-10
NEBC: 00668951
Mimulus ringens
Linnaeus USA: Vermont Milton: Milton C. H. Knowlton 1931-7-16
Violaceae
NEBC: 00565788
Viola blanda
Willdenow USA: Maine Northfield: Northfield C. H. Knowlton 1931-8-15
NEBC: 00773788
Viola primulifolia acuta
(Bigelow) Torr. & A. Gray USA: Maine Roque Bluffs: Roque Bluffs C. H. Knowlton 1931-8-23
NEBC: 00687400
Viola pubescens
Aiton USA: Vermont South Hero: South Hero C. H. Knowlton 1931-5-24
NEBC: 00721378
Viola rostrata
Pursh USA: Vermont South Hero: South Hero C. H. Knowlton 1931-5-24
NEBC: 00640898
Viola sororia
Willdenow USA: Maine Columbia Falls: Columbia Falls C. H. Knowlton 1931-8-20
NEBC: 00640909
Viola sororia
Willdenow USA: Maine Jonesport: Jonesport C. H. Knowlton 1931-8-26
NEBC: 00649252
Viola sororia
Willdenow USA: Vermont South Hero: South Hero C. H. Knowlton 1931-5-24
Woodsiaceae
NEBC: 00676404
Woodsia obtusa
(Sprengel) Torrey USA: Vermont Milton: Milton C. H. Knowlton 1931-7-16