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Index of Botanical Specimens
Search for collectorid:[38400] and year collected:[1909]
= with images
Aceraceae
NEBC: 00752902
Acer saccharinum
Linnaeus USA: Maine Farmington: Farmington C. H. Knowlton 1909-8-19
NEBC: 00663320
Acer saccharum
Marshall USA: Massachusetts Sunderland: Sunderland.Mt. Toby C. H. Knowlton 1909-5-23
Alismataceae
NEBC: 01080335
Sagittaria cuneata
E. Sheldon USA: Maine Farmington: Farmington C. H. Knowlton 1909-8-19
NEBC: 01032551
Sagittaria latifolia
Willdenow USA: Maine Farmington: Farmington C. H. Knowlton 1909-8-13
NEBC: 01032552
Sagittaria latifolia
Willdenow USA: Maine Farmington: Farmington C. H. Knowlton 1909-8-19
Anacardiaceae
NEBC: 00772276
Toxicodendron rydbergii
(Small ex Rydberg) Greene USA: Maine Marshfield: Marshfield C. H. Knowlton 1909-7-13
NEBC: 00772350
Toxicodendron vernix
(Linnaeus) Kuntze USA: Massachusetts Hanson: Hanson C. H. Knowlton 1909-9-12
Apiaceae
NEBC: 00523688
Aethusa cynapium
Linnaeus USA: Massachusetts Hingham: Hingham C. H. Knowlton 1909-10-10
NEBC: 00483750
Cicuta bulbifera
Linnaeus USA: Massachusetts Pembroke: Pembroke C. H. Knowlton 1909-9-12
NEBC: 00483751
Cicuta bulbifera
Linnaeus USA: Massachusetts Pembroke: Pembroke C. H. Knowlton 1909-9-12
NEBC: 01051240
Heracleum maximum
W. Bartram USA: Maine East Machias: East Machias C. H. Knowlton 1909-7-13
NEBC: 01051372
Hydrocotyle americana
Linnaeus USA: Maine East Machias: East Machias C. H. Knowlton 1909-7-16
NEBC: 00523997
Zizia aurea
(Linnaeus) W. D. J. Koch USA: Maine Castine: Castine C. H. Knowlton 1909-7-8
Araceae
NEBC: 01080844
Peltandra virginica
(Linnaeus) Rafinesque ex Schott USA: Massachusetts Sharon: Sharon C. H. Knowlton 1909-6-27
Aristolochiaceae
NEBC: 00642476
Asarum canadense
Linnaeus USA: Massachusetts Amherst: Amherst C. H. Knowlton 1909-5-22
Aspidiaceae
NEBC: 00636923
Polystichum acrostichoides
(Michaux) Schott USA: Maine Farmington: Farmington C. H. Knowlton 1909-8-23
Aspleniaceae
NEBC: 00701120
Asplenium trichomanes
Linnaeus USA: Maine Strong: Strong C. H. Knowlton 1909-8-20
Asteraceae
NEBC: 00566735
Achillea millefolium
Linnaeus USA: Maine Northfield: Northfield C. H. Knowlton 1909-7-14
NEBC: 01023092
Antennaria plantaginifolia
(Linnaeus) Hooker USA: Massachusetts Hingham: Hingham C. H. Knowlton 1909-5-30
NEBC: 01038059
Bidens vulgata
Greene USA: Massachusetts Essex: Essex C. H. Knowlton 1909
NEBC: 00587952
Cichorium intybus
Linnaeus USA: Massachusetts Essex: Essex C. H. Knowlton 1909
NEBC: 01017647
Cirsium discolor
(Muhlenberg ex Willdenow) Sprengel USA: Massachusetts Essex: Essex C. H. Knowlton 1909
NEBC: 01017650
Cirsium discolor
(Muhlenberg ex Willdenow) Sprengel USA: Massachusetts Ipswich: Ipswich C. H. Knowlton 1909-10-3
NEBC: 00725544
Cirsium horridulum
Michaux USA: Massachusetts Sandwich: Sandwich C. H. Knowlton 1909-6-15
NEBC: 01017731
Cirsium muticum
Michaux USA: Maine Avon: Avon C. H. Knowlton 1909-8-20
NEBC: 01017733
Cirsium muticum
Michaux USA: Maine Day Mountain C. H. Knowlton 1909-8-20
NEBC: 00577048
Cirsium palustre
(Linnaeus) Scopoli USA: Massachusetts Boston: S. [South] Boston C. H. Knowlton 1909
NEBC: 00535304
Coreopsis lanceolata
Linnaeus USA: Massachusetts Hingham: Hingham C. H. Knowlton 1909-7-4
NEBC: 00535205
Crepis capillaris
(Linnaeus) Wallroth USA: Massachusetts Falmouth: Falmouth C. H. Knowlton 1909-6-17
NEBC: 01047492
Cyanus segetum
Hill USA: Massachusetts Marshfield: Marshfield C. H. Knowlton 1909-6-6
NEBC: 01019365
Doellingeria umbellata
(Miller) Nees USA: Maine Farmington: Farmington C. H. Knowlton 1909-8-19
NEBC: 01034224
Eupatorium pubescens
Muhlenberg ex Willdenow USA: Massachusetts Hanson: Hanson C. H. Knowlton 1909-9-12
NEBC: 00531973
Hieracium aurantiacum
Linnaeus USA: Maine Roque Bluffs: Roque Bluffs C. H. Knowlton 1909-7-10
NEBC: 00587614
Hieracium caespitosum
Dumortier USA: Maine Castine: Castine C. H. Knowlton 1909-7-6
NEBC: 00833288
Hieracium kalmii
Linnaeus USA: Massachusetts Sudbury: Sudbury C. H. Knowlton 1909-9-6
NEBC: 01067727
Lactuca canadensis
Linnaeus USA: Massachusetts Hingham: Hingham C. H. Knowlton 1909-9-5
NEBC: 00718604
Scorzoneroides autumnalis borealis
(Ball) Greuter USA: Massachusetts Hanson: Hanson C. H. Knowlton 1909-9-12
NEBC: 00553221
Solidago bicolor
Linnaeus USA: Massachusetts Hingham: Hingham C. H. Knowlton 1909-10-10
NEBC: 01077444
Solidago caesia
Linnaeus USA: Massachusetts Hanover: Hanover C. H. Knowlton 1909-9-12
NEBC: 01077445
Solidago caesia
Linnaeus USA: Massachusetts Hanover: Hanover C. H. Knowlton 1909-9-12
NEBC: 01063381
Solidago nemoralis
Aiton USA: Massachusetts Hanson: Hanson C. H. Knowlton 1909-9-12
NEBC: 01064560
Solidago sempervirens
Linnaeus USA: Massachusetts Ipswich: Ipswich C. H. Knowlton 1909
NEBC: 01063923
Solidago uliginosa
Nuttall USA: Massachusetts Pembroke: Pembroke C. H. Knowlton 1909-9-12
NEBC: 01014437
Symphyotrichum racemosum
(Elliott) G. L. Nesom USA: Massachusetts Essex: Essex C. H. Knowlton 1909-10-3
NEBC: 00691793
Xanthium strumarium canadense
(Mill.) Torr. & A. Gray USA: Massachusetts Wayland: Wayland, Heard's Pond C. H. Knowlton 1909-9-6
Athyriaceae
NEBC: 00577951
Cystopteris bulbifera
(Linnaeus) Bernhardi USA: Maine Strong: Strong C. H. Knowlton 1909-8-20
NEBC: 00662342
Gymnocarpium dryopteris
(Linnaeus) Newman USA: Maine Castine: Castine C. H. Knowlton 1909-7-6
Betulaceae
NEBC: 00727479
Corylus cornuta
Marshall USA: Maine East Machias: East Machias C. H. Knowlton 1909-7-16
Boraginaceae
NEBC: 00577270
Myosotis scorpioides
Linnaeus USA: Massachusetts Hingham: Hingham C. H. Knowlton 1909-9-12
NEBC: 00716861
Myosotis verna
Nuttall USA: Massachusetts South Hadley: South Hadley C. H. Knowlton 1909-5-22
Brassicaceae
NEBC: 01007715
Boechera canadensis
(Linnaeus) Al-Shehbaz USA: Massachusetts Mount Holyoke C. H. Knowlton 1909-7-29
NEBC: 00757013
Boechera missouriensis
(Greene) Al-Shehbaz USA: Massachusetts South Hadley: South Hadley C. H. Knowlton 1909-5-22
NEBC: 00592746
Camelina microcarpa
Andrzejowski ex de Candolle USA: Massachusetts Amherst: Amherst C. H. Knowlton 1909-5-23
NEBC: 00757678
Cardamine parviflora arenicola
(Britton) O. E. Schulz USA: Massachusetts Granby: Granby C. H. Knowlton 1909-5-22
NEBC: 00660998
Cardamine parviflora arenicola
(Britton) O. E. Schulz USA: Massachusetts Hadley: Hadley C. H. Knowlton 1909-5-22
NEBC: 00593877
Rorippa sylvestris
(Linnaeus) Besser USA: Massachusetts East Weymouth C. H. Knowlton 1909-7-27
NEBC: 00602356
Thlaspi arvense
Linnaeus USA: Massachusetts Amherst: Amherst C. H. Knowlton 1909-5-23
Caprifoliaceae
NEBC: 00721224
Sambucus racemosa
Linnaeus USA: Maine Castine: Castine C. H. Knowlton 1909-7-6
NEBC: 00611251
Viburnum nudum cassinoides
(Linnaeus) Torrey & A. Gray USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1909-6-22
Caryophyllaceae
NEBC: 00698505
Cerastium arvense
Linnaeus USA: Massachusetts Sunderland: Sunderland C. H. Knowlton 1909-5-23
NEBC: 00698505
Cerastium strictum
Linnaeus USA: Massachusetts Sunderland: Sunderland C. H. Knowlton 1909-5-23
NEBC: 00612683
Sagina procumbens
Linnaeus USA: Maine East Machias: East Machias C. H. Knowlton 1909-7-16
NEBC: 00693540
Stellaria alsine
Grimm USA: Maine East Machias: East Machias C. H. Knowlton 1909-7-16
NEBC: 00732967
Stellaria longifolia
Muhlenberg ex Willdenow USA: Maine Castine: Castine C. H. Knowlton 1909-7-6
Celastraceae
NEBC: 00295104
Celastrus scandens
Linnaeus USA: Maine Strong: Day Mt. C. H. Knowlton 1909-8-20
Chenopodiaceae
NEBC: 00650728
Atriplex littoralis
Linnaeus USA: Maine Castine: Castine C. H. Knowlton 1909-7-8
GH: 00598834
Bassia hirsuta
(L.) Archers USA: Massachusetts Boston: South Boston C. H. Knowlton 206 1909
NEBC: 00670789
Chenopodium simplex
(Torrey) Rafinesque USA: Maine Strong: Strong C. H. Knowlton 1909-8-20
Cistaceae
NEBC: 00699404
Crocanthemum bicknellii
(Fernald) Janchen USA: Massachusetts Amherst: Amherst C. H. Knowlton 1909-7-30
NEBC: 00750431
Hudsonia tomentosa
Nuttall USA: Massachusetts Marshfield: Marshfield C. H. Knowlton 1909-6-6
NEBC: 00569166
Lechea intermedia
Leggett ex Britton USA: Massachusetts Amherst: Amherst C. H. Knowlton 1909-7-30
NEBC: 00757211
Lechea maritima
Leggett ex Britton USA: Massachusetts Sudbury: Sudbury C. H. Knowlton 1909-9-6
Convolvulaceae
NEBC: 00684207
Cuscuta gronovii
Willdenow ex Roemer & Schultes USA: Maine Farmington: Farmington C. H. Knowlton 1909-8-19
Cornaceae
NEBC: 00767299
Cornus florida
Linnaeus USA: Massachusetts Granby: Granby C. H. Knowlton 1909-5-22
ECON: 00773750
Cornus intermedia
(Farr) Calder & Roy L. Taylor USA: Massachusetts Norwell: Norwell C. H. Knowlton 1909-6-21
NEBC: 00573491
Cornus racemosa
Lamarck USA: Massachusetts Sharon: Sharon C. H. Knowlton 1909-6-27
NEBC: 00672578
Cornus rugosa
Lamarck USA: Maine Castine: Castine C. H. Knowlton 1909-7-8
NEBC: 00633930
Cornus stolonifera
Michaux USA: Massachusetts Sunderland: Sunderland C. H. Knowlton 1909-5-23
Crassulaceae
NEBC: 00586963
Sedum telephium
Linnaeus USA: Maine Temple: Temple C. H. Knowlton 1909-8-13
Cyperaceae
NEBC: 00222590
Carex communis
L. H. Bailey USA: Massachusetts Amherst: C. H. Knowlton 1909-5-22
NEBC: 00229488
Carex deweyana deweyana
USA: Maine Strong: Day Mountain C. H. Knowlton 1909-8-20
NEBC: 00869278
Carex lupulina
Muhlenberg ex Willdenow USA: Massachusetts Wayland: Wayland, Heard Pond C. H. Knowlton 1909-9-6
NEBC: 00807005
Carex nigra
(Linnaeus) Reichard USA: Maine Castine: Castine C. H. Knowlton 1909-7-6
NEBC: 00807939
Carex plantaginea
Lamarck USA: Maine Day Mountain C. H. Knowlton 1909-8-20
GH: 01161546
Carex platyphylla
J. Carey USA: Massachusetts Sunderland: Sunderland C. H. Knowlton 1909-5-23
NEBC: 01161547
Carex platyphylla
J. Carey USA: Massachusetts Sunderland: Sunderland C. H. Knowlton 1909-5-23
NEBC: 01060533
Carex trisperma
Dewey USA: Massachusetts Chelmsford: Chelmsford C. H. Knowlton 1909-6-21
NEBC: 01043888
Cyperus esculentus
Linnaeus USA: Massachusetts Framingham: Framingham C. H. Knowlton 1909-9-6
NEBC: 01018071
Eleocharis palustris
(Linnaeus) Roemer & Schultes USA: Maine Mount Desert Island C. H. Knowlton 1909-7-10
NEBC: 01048818
Eleocharis tenuis
(Willdenow) Schultes USA: Maine East Machias: East Machias C. H. Knowlton 1909-7-16
NEBC: 00766833
Eriophorum vaginatum
Linnaeus USA: Massachusetts Sharon: Sharon C. H. Knowlton 1909-6-27
NEBC: 00638819
Scirpus purshianus
Fernald USA: Massachusetts Amherst: Amherst C. H. Knowlton 1909-7-30
Droseraceae
NEBC: 00741580
Drosera filiformis
Rafinesque USA: Massachusetts Barnstable Town C. H. Knowlton 1909-7-24
NEBC: 00741990
Drosera rotundifolia
Linnaeus USA: Maine Machias: Machias C. H. Knowlton 1909-7-13
Ericaceae
NEBC: 01013846
Gaylussacia bigeloviana
(Fernald) Sorrie & Weakley USA: Massachusetts Sharon: Sharon C. H. Knowlton 1909-6-27
NEBC: 00519564
Vaccinium corymbosum
Linnaeus USA: Massachusetts Hingham: Hingham C. H. Knowlton 1909-5-30
Fabaceae
NEBC: 00747761
Crotalaria sagittalis
Linnaeus USA: Massachusetts Amherst: Amherst C. H. Knowlton 1909-7-29
NEBC: 00739802
Lespedeza capitata
Michaux USA: Massachusetts Framingham: Framingham C. H. Knowlton 1909-9-6
NEBC: 00639641
Lespedeza violacea
(Linnaeus) Persoon USA: Massachusetts Sudbury: Sudbury C. H. Knowlton 1909-9-6
NEBC: 00463134
Vicia cracca
Linnaeus USA: Maine Machias: Machias C. H. Knowlton 1909-7-16
NEBC: 00591970
Vicia tetrasperma
(Linnaeus) Schreber USA: Maine Castine: Castine C. H. Knowlton 1909
Fagaceae
NEBC: 00746224
Fagus grandifolia
Ehrhart USA: Maine Northfield: Northfield C. H. Knowlton 1909-7-14
NEBC: 00746225
Fagus grandifolia
Ehrhart USA: Maine Northfield: Northfield C. H. Knowlton 1909-7-14
Gentianaceae
NEBC: 00574859
Menyanthes trifoliata minor
Rafinesque USA: Massachusetts Hingham: Hingham C. H. Knowlton 1909-5-30
Geraniaceae
NEBC: 01070546
Geranium robertianum
Linnaeus USA: Massachusetts Amherst: Amherst C. H. Knowlton 1909-7-29
Haloragaceae
NEBC: 01067111
Myriophyllum humile
(Rafinesque) Morong USA: Massachusetts Framingham: Framingham C. H. Knowlton 1909-9-6
Hypericaceae
NEBC: 00504561
Hypericum gentianoides
(Linnaeus) Britton, Sterns & Poggenburg USA: Massachusetts Hingham: Hingham C. H. Knowlton 1909-10-10
NEBC: 02230116
Hypericum gentianoides
(Linnaeus) Britton, Sterns & Poggenburg USA: Massachusetts Hingham: [no additional data] C. H. Knowlton 1909-10-10
NEBC: 00765212
Hypericum perforatum
Linnaeus USA: Maine East Machias: East Machias C. H. Knowlton 1909-7-16
NEBC: 00773006
Hypericum punctatum
Lamarck USA: Massachusetts South Hadley: South Hadley C. H. Knowlton 1909-7-29
Iridaceae
NEBC: 01044718
Sisyrinchium atlanticum
E. P. Bicknell USA: Massachusetts Sandwich: Sandwich C. H. Knowlton 1909-6-15
NEBC: 00894138
Sisyrinchium montanum crebrum
Fernald USA: Massachusetts Hingham: Hingham C. H. Knowlton 1909-5-30
Juncaceae
NEBC: 01025711
Juncus balticus littoralis
(Engelmann) Snogerup USA: Massachusetts Marshfield: Marshfield C. H. Knowlton 1909-6-6
NEBC: 00638927
Luzula acuminata
Rafinesque USA: Maine East Machias: East Machias C. H. Knowlton 1909-7-16
NEBC: 01182513
Luzula multiflora
(Ehrhart) Lejeune USA: Maine East Machias: East Machias C. H. Knowlton 1909-7-16
Lamiaceae
NEBC: 00696885
Lycopus uniflorus
Michaux USA: Maine Farmington: Farmington C. H. Knowlton 1909-8-19
NEBC: 01018353
Mentha gentilis
Linnaeus USA: Massachusetts Ashburnham: Ashburnham C. H. Knowlton 1909-8-8
NEBC: 00642228
Pycnanthemum incanum
(Linnaeus) Michaux USA: Massachusetts Granby: Granby C. H. Knowlton 1909-7-29
NEBC: 00648505
Pycnanthemum muticum
(Michaux) Persoon USA: Massachusetts Amherst: Amherst C. H. Knowlton 1909-7-29
NEBC: 00707581
Stachys hyssopifolia
Michaux USA: Massachusetts Barnstable Town C. H. Knowlton 1909-7-24
Lentibulariaceae
NEBC: 00568255
Utricularia cornuta
Michaux USA: Massachusetts Hyannis C. H. Knowlton 1909-7-23
NEBC: 00568265
Utricularia cornuta
Michaux USA: Massachusetts Ashburnham: Ashburnham C. H. Knowlton 1909-8-8
NEBC: 00664524
Utricularia vulgaris macrorhiza
(L. LeConte) R. T. Clausen USA: Maine East Machias: East Machias C. H. Knowlton 1909-7-16
Liliaceae
NEBC: 00880718
Lilium philadelphicum
Linnaeus USA: Maine East Machias: East Machias C. H. Knowlton 1909-7-16
NEBC: 01182878
Maianthemum stellatum
(Linnaeus) Link USA: Massachusetts Essex: Essex C. H. Knowlton 1909
NEBC: 01044123
Trillium erectum
Linnaeus USA: Maine Day Mountain C. H. Knowlton 1909-8-20
NEBC: 00869291
Trillium erectum
Linnaeus USA: Massachusetts South Hadley: South Hadley C. H. Knowlton 1909-5-22
Linaceae
NEBC: 00741190
Linum intercursum
E. P. Bicknell USA: Massachusetts Barnstable Town C. H. Knowlton 1909-7-24
Lycopodiaceae
NEBC: 00738331
Dendrolycopodium obscurum
(Linnaeus) A. Haines USA: Massachusetts Hanson: Hanson C. H. Knowlton 1909-9-12
NEBC: 00139522
Diphasiastrum tristachyum
(Pursh) Holub USA: Massachusetts Norwell: C. H. Knowlton 1909-6-21
NEBC: 00742304
Spinulum annotinum
(Linnaeus) A. Haines USA: Maine Chesterville: Chesterville C. H. Knowlton 1909-7-8
Myricaceae
NEBC: 00563371
Morella pensylvanica
(Mirbel) Kartesz USA: Massachusetts Hingham: Hingham C. H. Knowlton 1909-5-30
Onagraceae
NEBC: 01073588
Circaea canadensis canadensis
(Linnaeus) Hill USA: Maine Farmington: Farmington C. H. Knowlton 1909-8-19
NEBC: 01074518
Circaea sterilis
Boufford USA: Maine Farmington: Farmington C. H. Knowlton 1909-8-19
NEBC: 00707813
Oenothera fruticosa glauca
(Michaux) Straley USA: Massachusetts Walpole: Walpole C. H. Knowlton 1909-6-27
NEBC: 00816190
Oenothera parviflora
Linnaeus USA: Maine Castine: Castine C. H. Knowlton 1909-7-8
Orchidaceae
NEBC: 00834455
Coeloglossum viride bracteata
(Muhlenberg) Grey USA: Massachusetts South Hadley: South Hadley C. H. Knowlton 1909-5-22
NEBC: 00834457
Coeloglossum viride bracteata
(Muhlenberg) Grey USA: Massachusetts Sunderland: Sunderland C. H. Knowlton 1909-5-23
NEBC: 01016416
Goodyera tesselata
Loddiges USA: Maine Mount Saddleback C. H. Knowlton 1909-8-17
NEBC: 01077206
Goodyera tesselata
Loddiges USA: Maine Day Mountain C. H. Knowlton 1909-8-20
NEBC: 01062051
Platanthera clavellata
(Michaux) Luer USA: Maine East Machias: East Machias C. H. Knowlton 1909-7-16
NEBC: 01055852
Platanthera hookeri
(Torrey ex A. Gray) Lindley USA: Massachusetts South Hadley: South Hadley C. H. Knowlton 1909-7-20
Orobanchaceae
NEBC: 00502016
Pedicularis canadensis
Linnaeus USA: Maine East Machias: East Machias C. H. Knowlton 1909-7-16
NEBC: 00502018
Pedicularis canadensis
Linnaeus USA: Maine Castine: Castine C. H. Knowlton 1909-7-6
NEBC: 00679589
Rhinanthus minor
Linnaeus USA: Maine Castine: Castine C. H. Knowlton 1909-7-6
Oxalidaceae
NEBC: 01028712
Oxalis dillenii
Jacquin USA: Massachusetts Hingham: Hingham C. H. Knowlton 1909-10-2
Papaveraceae
NEBC: 00614033
Sanguinaria canadensis
Linnaeus USA: Massachusetts Amherst: Amherst C. H. Knowlton 1909-5-22
Plantaginaceae
NEBC: 00745119
Callitriche heterophylla
Pursh USA: Massachusetts Framingham: Framingham C. H. Knowlton 1909-9-6
NEBC: 00502338
Gratiola aurea
Muhlenberg USA: Massachusetts Pembroke: Pembroke C. H. Knowlton 1909-9-12
NEBC: 00745310
Gratiola neglecta
Torrey USA: Massachusetts Amherst: Amherst C. H. Knowlton 1909-7-30
NEBC: 00707147
Veronica americana
Schweinitz ex Bentham USA: Massachusetts South Hadley: South Hadley C. H. Knowlton 1909-7-29
NEBC: 00656555
Veronica arvensis
Linnaeus USA: Massachusetts Scituate: Scituate C. H. Knowlton 1909-6-19
NEBC: 00655414
Veronica officinalis
Linnaeus USA: Maine Machias: Machias C. H. Knowlton 1909-7-12
Poaceae
NEBC: 00622483
Alopecurus pratensis
Linnaeus USA: Maine East Machias: East Machias C. H. Knowlton 1909-7-16
NEBC: 01175877
Anthoxanthum nitens
(Weber) Y. Schouten & J. F. Veldkamp USA: Massachusetts Scituate: Scituate C. H. Knowlton 1909-6-6
NEBC: 00613103
Bromus hordeaceus
Linnaeus USA: Massachusetts Hingham: Hingham C. H. Knowlton 1909-5-30
NEBC: 00865454
Bromus kalmii
A. Gray USA: Massachusetts Mount Holyoke C. H. Knowlton 1909-7-29
GH: 00765938
Crypsis schoenoides
(Linnaeus) Lamarck USA: Massachusetts Boston: South Boston, near railroad yard C. H. Knowlton 1909-9-18
NEBC: 00765939
Crypsis schoenoides
(Linnaeus) Lamarck USA: Massachusetts Boston: South Boston, near railroad yard C. H. Knowlton 1909-9-18
NEBC: 00879735
Danthonia allenii
Austin USA: Maine East Machias: East Machias C. H. Knowlton 1909-7-16
NEBC: 00635778
Dichanthelium depauperatum
(Muhlenberg) Gould USA: Massachusetts Sharon: Sharon C. H. Knowlton 1909-6-27
NEBC: 00613885
Festuca rubra
Linnaeus USA: Maine Roque Bluffs: Roque Bluffs C. H. Knowlton 1909-7-10
NEBC: 01149401
Glyceria obtusa
(Muhlenberg) Trinius USA: Massachusetts Hanson: Hanson C. H. Knowlton 1909-9-12
NEBC: 00606162
Poa compressa
Linnaeus USA: Maine East Machias: East Machias C. H. Knowlton 1909-7-16
NEBC: 01150632
Puccinellia pumila
(Vasey) Hitchcock USA: Massachusetts Barnstable Town C. H. Knowlton 1909-7-15
Polygalaceae
NEBC: 00711931
Polygala cruciata aquilonia
Fernald & B. G. Schubert USA: Massachusetts Hanson: Hanson C. H. Knowlton 1909-9-12
Polygonaceae
NEBC: 00736875
Antenoron virginianum
(Linnaeus) Roberty & Vautier USA: Massachusetts Hingham: Hingham C. H. Knowlton 1909-10-10
NEBC: 00645374
Polygonum cristatum
Engelmann & A. Gray USA: Massachusetts Hingham: Hingham C. H. Knowlton 1909-9-5
NEBC: 00736875
Polygonum virginianum
Linnaeus USA: Massachusetts Hingham: Hingham C. H. Knowlton 1909-10-10
Ranunculaceae
NEBC: 00866785
Clematis occidentalis
(Hornemann) de Candolle USA: Massachusetts South Hadley: South Hadley C. H. Knowlton 1909-5-22
NEBC: 01013194
Hepatica americana
(de Candolle) Ker Gawler USA: Maine New Vineyard: New Vineyard C. H. Knowlton 1909-8-24
NEBC: 01020840
Ranunculus aquatilis diffusus
Withering USA: Massachusetts Walpole: Walpole C. H. Knowlton 1909-6-27
NEBC: 00517496
Ranunculus fascicularis
Muhlenberg ex Bigelow USA: Massachusetts South Hadley: South Hadley C. H. Knowlton 1909-5-22
NEBC: 00753988
Ranunculus flammula filiformis
(Michaux) Hooker USA: Maine East Machias: East Machias C. H. Knowlton 1909-7-16
NEBC: 00697694
Thalictrum amphibolum
Greene USA: Massachusetts South Hadley: South Hadley C. H. Knowlton 1909-7-29
Rosaceae
NEBC: 00649670
Agrimonia gryposepala
Wallroth USA: Massachusetts Ipswich: Ipswich C. H. Knowlton 1909-10-3
NEBC: 00744156
Aronia melanocarpa
(Michaux) Elliott USA: Massachusetts Pembroke: Pembroke C. H. Knowlton 1909-9-12
NEBC: 00738761
Aronia prunifolia
(Marshall) Rehder USA: Massachusetts Pembroke: Pembroke C. H. Knowlton 1909-9-12
NEBC: 00644143
Comarum palustre
Linnaeus USA: Maine East Machias: East Machias C. H. Knowlton 1909-7-16
NEBC: 01028569
Crataegus jonesiae
Sargent USA: Maine Castine: Castine C. H. Knowlton 1909-7-8
NEBC: 00673180
Crataegus macracantha
Loddiges ex Loudon USA: Maine Castine: Castine C. H. Knowlton 1909-7-6
NEBC: 00768258
Crataegus macracantha occidentalis
(Britton) Eggleston USA: Maine Castine: Castine C. H. Knowlton 1909-7-6
NEBC: 00694490
Crataegus macrosperma
Ashe USA: Maine Machias: Machias C. H. Knowlton 1909-7-14
NEBC: 00524136
Fragaria vesca americana
Porter USA: Massachusetts Amherst: Amherst C. H. Knowlton 1909-5-22
NEBC: 00688646
Geum aleppicum strictum
Fernald USA: Maine Castine: Castine C. H. Knowlton 1909-7-8
NEBC: 00524192
Potentilla argentea
Linnaeus USA: Maine East Machias: East Machias C. H. Knowlton 1909-7-16
NEBC: 00710689
Potentilla canadensis
Linnaeus USA: Massachusetts Marshfield: Marshfield C. H. Knowlton 1909-6-6
NEBC: 00710892
Potentilla egedii groenlandica
(Trattinnick) Polunin USA: Massachusetts Marshfield: Marshfield C. H. Knowlton 1909-6-6
NEBC: 00644191
Potentilla pensylvanica litoralis
(Rydberg) Boivin USA: Maine Castine: Castine C. H. Knowlton 1909-7-8
NEBC: 00644465
Potentilla simplex
Michaux USA: Massachusetts Marshfield: Marshfield C. H. Knowlton 1909-6-6
NEBC: 00441967
Rubus allegheniensis
Porter USA: Massachusetts Sudbury: Sudbury C. H. Knowlton 1909-5-30
NEBC: 00748375
Rubus hispidus
Linnaeus USA: Maine Castine: Castine C. H. Knowlton 1909-7-8
NEBC: 00651186
Rubus hispidus
Linnaeus USA: Massachusetts Sharon: Sharon C. H. Knowlton 1909-6-27
NEBC: 00651684
Rubus odoratus
Linnaeus USA: Massachusetts South Hadley: South Hadley C. H. Knowlton 1909-7-29
NEBC: 00651757
Rubus pensilvanicus
Poiret USA: Maine Castine: Castine C. H. Knowlton 1909-7-8
NEBC: 00641503
Rubus pubescens
Rafinesque USA: Massachusetts Leverett: Leverett C. H. Knowlton 1909-5-23
NEBC: 00723910
Rubus pubescens
Rafinesque USA: Maine Castine: Castine C. H. Knowlton 1909-7-8
NEBC: 00747025
Sorbus aucuparia
Linnaeus USA: Massachusetts Marshfield: Marshfield C. H. Knowlton 1909-6-6
NEBC: 00659271
Spiraea latifolia
(Aiton) Borkhausen USA: Maine Machias: Machias C. H. Knowlton 1909-7-13
Rubiaceae
NEBC: 00503674
Galium asprellum
Michaux USA: Massachusetts Framingham: Framingham C. H. Knowlton 1909-9-6
NEBC: 00670882
Galium palustre
Linnaeus USA: Massachusetts Sharon: Sharon C. H. Knowlton 1909-6-27
Salicaceae
NEBC: 00723381
Salix petiolaris
Smith USA: Maine Northfield: Northfield C. H. Knowlton 1909-7-14
Saxifragaceae
NEBC: 01028063
Mitella diphylla
Linnaeus USA: Massachusetts Amherst: Amherst C. H. Knowlton 1909-5-22
NEBC: 00730858
Ribes lacustre
Poiret USA: Maine East Central Franklin C. H. Knowlton 1909-8-17
NEBC: 00730983
Ribes triste
Pallas USA: Maine Farmington: Farmington C. H. Knowlton 1909-8-23
NEBC: 00730984
Ribes triste
Pallas USA: Maine Farmington: Farmington C. H. Knowlton 1909-8-23
Scheuchzeriaceae
NEBC: 00635492
Scheuchzeria palustris americana
Fernald USA: Massachusetts Sharon: Sharon C. H. Knowlton 1909-6-27
Scrophulariaceae
NEBC: 00707696
Mimulus ringens
Linnaeus USA: Maine Farmington: Farmington C. H. Knowlton 1909-8-19
Selaginellaceae
NEBC: 00632722
Selaginella rupestris
(Linnaeus) Spring USA: Maine East Machias: East Machias C. H. Knowlton 1909-7-16
Solanaceae
NEBC: 00576204
Datura stramonium
Linnaeus USA: Massachusetts Hingham: Hingham C. H. Knowlton 1909-9-19
NEBC: 00630041
Physalis heterophylla
Nees USA: Massachusetts Hanson: Hanson C. H. Knowlton 1909-9-12
Staphyleaceae
GH: 00752328
Staphylea trifolia
Linnaeus USA: Massachusetts South Hadley: South Hadley C. H. Knowlton 1909-5-22
NEBC: 00752331
Staphylea trifolia
Linnaeus USA: Massachusetts South Hadley: South Hadley C. H. Knowlton 1909-5-22
Thelypteridaceae
NEBC: 00701280
Phegopteris connectilis
(Michaux) Watt USA: Maine Castine: Castine C. H. Knowlton 1909-7-6
NEBC: 00631784
Phegopteris hexagonoptera
(Michaux) Fée USA: Maine Farmington: Farmington C. H. Knowlton 1909-8-24
Ulmaceae
NEBC: 00721789
Celtis occidentalis
Linnaeus USA: Massachusetts Amherst: Amherst C. H. Knowlton 1909-5-22
Violaceae
NEBC: 00565760
Viola blanda
Willdenow USA: Maine Strong: Strong C. H. Knowlton 1909-8-20
NEBC: 00560130
Viola blanda
Willdenow USA: Massachusetts Hyannis C. H. Knowlton 1909-7-23
NEBC: 00501967
Viola cucullata
Aiton USA: Maine Machias: Machias C. H. Knowlton 1909-6-12
NEBC: 00773336
Viola cucullata
Aiton USA: Maine Farmington: Farmington C. H. Knowlton 1909-8-19
NEBC: 00569287
Viola lanceolata
Linnaeus USA: Maine East Machias: East Machias C. H. Knowlton 1909-7-16
NEBC: 00760519
Viola palmata
Linnaeus USA: Massachusetts South Hadley: South Hadley C. H. Knowlton 1909-5-22
NEBC: 00687478
Viola renifolia
A. Gray USA: Maine Strong: Strong C. H. Knowlton 1909-8-20
NEBC: 00665444
Viola selkirkii
Pursh USA: Maine Day Mountain C. H. Knowlton 1909-8-20
NEBC: 00665452
Viola selkirkii
Pursh USA: Maine Strong: Strong C. H. Knowlton 1909-8-20
NEBC: 00649406
Viola sororia
Willdenow USA: Massachusetts Amherst: Amherst C. H. Knowlton 1909-5-23
NEBC: 00640915
Viola sororia
Willdenow USA: Maine Castine: Castine C. H. Knowlton 1909-7-6
Woodsiaceae
NEBC: 00695934
Woodsia ilvensis
(Linnaeus) R. Brown USA: Maine East Machias: East Machias C. H. Knowlton 1909-7-16