Harvard University Herbaria & Libraries

Aceraceae
GH: 01870769 Acer glabrum Torrey USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-29
Alismataceae
NEBC: 01032548 Sagittaria latifolia Willdenow USA: Maine Chesterville: Chesterville C. H. Knowlton 1937-7-31
Anacardiaceae
NEBC: 00752572 Rhus typhina Linnaeus USA: Vermont Hinesburg: Hinesburg C. H. Knowlton 1937-7-27
NEBC: 00752760 Toxicodendron vernix (Linnaeus) Kuntze USA: Vermont Bristol: Bristol C. H. Knowlton 1937-7-24
Apiaceae
NEBC: 01050831 Cicuta maculata Linnaeus USA: Vermont Bristol: Bristol C. H. Knowlton 1937-7-24
NEBC: 00483055 Pastinaca sativa Linnaeus USA: Vermont Cornwall: Cornwall C. H. Knowlton 1937-7-21
NEBC: 00750849 Sanicula canadensis Linnaeus USA: Vermont Cornwall: Cornwall C. H. Knowlton 1937-7-21
Apocynaceae
GH: 02179335 Apocynum androsaemifolium Linnaeus USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-29
Araceae
NEBC: 01010649 Acorus calamus Linnaeus USA: Vermont Bristol: Bristol C. H. Knowlton 1937-7-24
Araliaceae
NEBC: 00282889 Aralia racemosa Linnaeus USA: Vermont Poultney: C. H. Knowlton 1937-8-24
Aspidiaceae
NEBC: 00636922 Polystichum acrostichoides (Michaux) Schott USA: Maine Chesterville: Chesterville C. H. Knowlton 1937-7-31
Asteraceae
NEBC: 00753276 Ageratina altissima (Linnaeus) R. M. King & H. Robinson USA: Vermont Poultney: Poultney C. H. Knowlton 1937-8-24
NEBC: 00566254 Arctium minus (Hill) Bernhardi USA: Vermont Castleton: Castleton C. H. Knowlton 1937-8-24
NEBC: 01066851 Bidens cernua Linnaeus USA: Maine Columbia Falls: Columbia Falls C. H. Knowlton 1937-9-3
NEBC: 01037794 Bidens frondosa Linnaeus USA: Vermont West Haven: West Haven C. H. Knowlton 1937-8-25
NEBC: 01008005 Bidens vulgata Greene USA: Maine Columbia Falls: Columbia Falls C. H. Knowlton 1937-9-3
GH: 02216641 Chrysothamnus viscidiflorus lanceolatus (Nuttall) H. M. Hall & Clements USA: Colorado Estes Park C. H. Knowlton 1937-6-29
NEBC: 00680568 Coreopsis rosea Nuttall USA: Massachusetts Westwood: Westwood C. H. Knowlton 1937-9-24
GH: 02206293 Erigeron compositus Pursh USA: Colorado Estes Park C. H. Knowlton 1937-6-27
GH: 02206290 Erigeron compositus Pursh USA: Colorado Estes Park C. H. Knowlton 1937-6-27
GH: 02206286 Erigeron compositus Pursh USA: Colorado Juniper Pass C. H. Knowlton 1937-6-25
GH: 02348210 Erigeron eximius Greene USA: Colorado Glade by Fall River; Estes Park C. H. Knowlton 1937-7-1
GH: 02348376 Erigeron flagellaris A. Gray USA: Colorado near Lookout MT C. H. Knowlton 1937-6-23
GH: 02351074 Erigeron pumilis Nuttall USA: Colorado near Lookout Mt C. H. Knowlton 1937-6-23
NEBC: 01079264 Erigeron strigosus Muhlenberg ex Willdenow USA: Vermont Cavendish: Cavendish C. H. Knowlton 1937-7-19
NEBC: 01052842 Euthamia graminifolia (Linnaeus) Nuttall USA: Vermont Castleton: Castleton C. H. Knowlton 1937-8-24
NEBC: 00637904 Inula helenium Linnaeus USA: Vermont Hinesburg: [no additional data] C. H. Knowlton 1937-7-27
NEBC: 01070010 Lactuca biennis (Moench) Fernald USA: Vermont Poultney: Poultney C. H. Knowlton 1937-8-24
NEBC: 01071817 Lactuca canadensis Linnaeus USA: Vermont Bristol: Bristol C. H. Knowlton 1937-7-24
NEBC: 00575200 Nabalus albus (Linnaeus) Hooker USA: Vermont West Haven: West Haven C. H. Knowlton 1937-8-25
NEBC: 01062449 Solidago canadensis Linnaeus USA: Vermont Castleton: Castleton C. H. Knowlton 1937-8-24
NEBC: 01054409 Solidago gigantea Aiton USA: Vermont Castleton: Castleton C. H. Knowlton 1937-8-24
NEBC: 01054725 Solidago juncea Aiton USA: Vermont Hinesburg: Hinesburg C. H. Knowlton 1937-7-27
NEBC: 01056604 Solidago nemoralis Aiton USA: Maine Columbia Falls: Columbia Falls C. H. Knowlton 1937-9-3
NEBC: 01064234 Solidago puberula Nuttall USA: Maine Columbia Falls: Columbia Falls C. H. Knowlton 1937-9-3
NEBC: 00484933 Solidago rugosa Miller USA: Maine Columbia Falls: Columbia Falls C. H. Knowlton 1937-9-3
NEBC: 01064815 Solidago squarrosa Nuttall USA: Vermont West Haven: West Haven C. H. Knowlton 1937-8-25
NEBC: 00637323 Sonchus arvensis Linnaeus USA: Vermont Castleton: Castleton C. H. Knowlton 1937-8-24
NEBC: 01031746 Symphyotrichum puniceum (Linnaeus) Á. Löve & D. Löve USA: Maine Columbia: Columbia C. H. Knowlton 1937-9-3
Athyriaceae
NEBC: 00678184 Athyrium filix-femina angustum (Willdenow) G. Lawson USA: Maine Columbia Falls: Columbia Falls C. H. Knowlton 1937-9-3
NEBC: 00733576 Athyrium filix-femina angustum (Willdenow) G. Lawson USA: Vermont Bristol: Bristol C. H. Knowlton 1937-7-24
NEBC: 00551346 Cystopteris bulbifera (Linnaeus) Bernhardi USA: Vermont Cornwall: Cornwall C. H. Knowlton 1937-7-21
NEBC: 00551576 Deparia acrostichoides (Swartz) M. Kato USA: Vermont Poultney: Poultney C. H. Knowlton 1937-8-24
NEBC: 00662311 Gymnocarpium dryopteris (Linnaeus) Newman USA: Maine Farmington: Farmington C. H. Knowlton 1937-8-1
Betulaceae
GH: 02198802 Alnus incana tenuifolia (Nuttall) Breitung USA: Colorado by Fall River; Estes Park C. H. Knowlton 1937-6-29
GH: 02195292 Betula glandulosa Michaux USA: Colorado by Fall River C. H. Knowlton 1937-6-29
GH: 02195272 Betula glandulosa Michaux USA: Colorado by Fall River; Estes Park C. H. Knowlton 1937-6-29
GH: 02194272 Betula occidentalis Hooker USA: Colorado Chicago Canyon C. H. Knowlton 1937-6-25
NEBC: 00634702 Betula papyrifera Marshall USA: Vermont West Haven: West Haven C. H. Knowlton 1937-8-25
NEBC: 00727594 Corylus cornuta Marshall USA: Vermont Bristol: Bristol C. H. Knowlton 1937-7-24
NEBC: 00695050 Ostrya virginiana (Miller) K. Koch USA: Vermont West Haven: West Haven C. H. Knowlton 1937-8-25
Blechnaceae
NEBC: 00628379 Woodwardia virginica (Linnaeus) Smith USA: Maine Columbia Falls: Columbia Falls C. H. Knowlton 1937-9-3
Boraginaceae
GH: 02023290 Cryptantha crassisepala (Torrey & A. Gray) Greene USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-28
GH: 02026696 Eritrichium nanum argenteum (W. Wight) I. M. Johnston USA: Colorado Fall River Pass, R. Mt. Nat. Park C. H. Knowlton 1937-6-26
GH: 02027219 Hackelia floribunda (Lehmann) I. M. Johnston USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-7-1
NEBC: 00638530 Hackelia virginiana (Linnaeus) I. M. Johnston USA: Vermont Hinesburg: Hinesburg C. H. Knowlton 1937-7-27
GH: 01994963 Lappula redowskii (Hornemann) Greene USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-27
GH: 01994962 Lappula redowskii (Hornemann) Greene USA: Colorado Bear Creek Canyon C. H. Knowlton 1937-6-25
GH: 01996059 Lithospermum incisum Lehmann USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-29
GH: 01996643 Lithospermum multiflorum Torrey USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-27
GH: 01997636 Mertensia ciliata (James) G. Don USA: Colorado Estes Park: by Fall River C. H. Knowlton 1937-6-28
GH: 01997635 Mertensia ciliata (James) G. Don USA: Colorado Estes Park: by Fall River C. H. Knowlton 1937-6-30
GH: 02058007 Mertensia lanceolata (Pursh) de Candolle USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-27
GH: 02058059 Mertensia lanceolata (Pursh) de Candolle USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-27
GH: 02058046 Mertensia lanceolata (Pursh) de Candolle USA: Colorado Bear Creek Canyon C. H. Knowlton 1937-6-25
GH: 02058207 Mertensia lanceolata nivalis (S. Watson) L. C. Higgins USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-27
NEBC: 00676934 Myosotis laxa Lehmann USA: Maine Baring C. H. Knowlton 1937-8-17
GH: 02061374 Oreocarya virgata (Porter) Greene USA: Colorado Chicago Canyon C. H. Knowlton 1937-6-25
GH: 02061364 Oreocarya virgata (Porter) Greene USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-27
Brassicaceae
GH: 00960548 Arabis hirsuta pycnocarpa (M. Hopkins) Rollins USA: Colorado by Fall River C. H. Knowlton 1937-6-28
GH: 00960570 Arabis hirsuta pycnocarpa (M. Hopkins) Rollins USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-28
GH: 01153878 Boechera divaricarpa (A. Nelson) A. Löve & D. Löve USA: Colorado Grand Lake C. H. Knowlton 1937-6-26
GH: 01153950 Boechera fendleri spatifolia (Rydberg) W. A. Weber USA: Colorado Estes Park C. H. Knowlton 1937-6-28
GH: 01155141 Boechera retrofracta (Graham) A. Löve & D. Löve USA: Colorado Grand Lake C. H. Knowlton 1937-6-26
GH: 00948839 Boechera stricta (Graham) Al-Shehbaz USA: Colorado Grand Lake C. H. Knowlton 1937-6-26
GH: 01155409 Descurainia pinnata (Walter) Britton USA: Colorado Denver: [no additional data] C. H. Knowlton 1937-6-20
GH: 01155592 Descurainia sophia (Linnaeus) Webb ex Prantl USA: Colorado Estes Park C. H. Knowlton 1937-6-28
GH: 01155597 Descurainia sophia (Linnaeus) Webb ex Prantl USA: Colorado Estes Park C. H. Knowlton 1937-6-28
GH: 01155836 Draba albertina Greene USA: Colorado Estes Park C. H. Knowlton 1937-6-29
GH: 01155876 Draba aurea Vahl USA: Colorado Juniper Pass C. H. Knowlton 1937-6-25
GH: 01538300 Erysimum capitatum argillosum (Greene) R. J. Davis USA: Colorado Bear Creek Canyon C. H. Knowlton 1937-6-25
GH: 01538301 Erysimum capitatum argillosum (Greene) R. J. Davis USA: Colorado Chicago Canyon C. H. Knowlton 1937-6-25
GH: 01548090 Lepidium densiflorum Schrader USA: Colorado Denver: R. R. yard C. H. Knowlton 1937-6-20
GH: 01549383 Lepidium paysonii Rollins USA: Colorado Grand Lake C. H. Knowlton 1937-6-26
GH: 01550653 Noccaea fendleri glauca (A. Nelson) Al-Shehbz & M. Koch USA: Colorado Fall River Pass C. H. Knowlton 1937-6-26
GH: 01687652 Physaria montana (A. Gray) Greene USA: Colorado Juniper Pass C. H. Knowlton 1937-6-25
GH: 01691618 Physaria vitulifera Rydberg USA: Colorado Bear Creek Canyon C. H. Knowlton 1937-6-25
NEBC: 00735999 Rorippa palustris (Linnaeus) Besser USA: Vermont Bristol: Bristol C. H. Knowlton 1937-7-24
Campanulaceae
NEBC: 00820176 Campanula aparinoides uliginosa (Rydberg) Gleason USA: Vermont Grand Isle: Grand Isle C. H. Knowlton 1937-7-28
NEBC: 00820179 Campanula aparinoides uliginosa (Rydberg) Gleason USA: Vermont Bristol: Bristol C. H. Knowlton 1937-7-24
NEBC: 00820443 Campanula rotundifolia Linnaeus USA: Vermont Cornwall: Cornwall C. H. Knowlton 1937-7-21
Capparaceae
GH: 01872286 Peritoma serrulata (Pursh) de Candolle USA: Colorado Denver: R. R. yard C. H. Knowlton 1937-6-20
Caprifoliaceae
NEBC: 00682612 Lonicera dioica Linnaeus USA: New Hampshire Enfield: Enfield C. H. Knowlton 1937-5-21
NEBC: 00680194 Lonicera hirsuta Eaton USA: Vermont West Haven: West Haven C. H. Knowlton 1937-8-25
GH: 02038496 Lonicera involucrata (Richardson) Banks ex Sprengel USA: Colorado Estes Park: by Fall River C. H. Knowlton 1937-6-28
NEBC: 00682938 Lonicera villosa (Michaux) Roemer & Schultes USA: New Hampshire Enfield: Enfield C. H. Knowlton 1937-5-21
GH: 02037908 Symphoricarpos albus (Linnaeus) Blake USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-28
GH: 02036148 Symphoricarpos occidentalis Hooker Canada: Alberta Brule C. H. Knowlton 1937-8-6
GH: 02036176 Symphoricarpos occidentalis Hooker USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-28
GH: 02035065 Symphoricarpos vaccinioides Rydberg USA: Colorado Chicago Canyon C. H. Knowlton 1937-6-25
NEBC: 00702269 Viburnum acerifolium Linnaeus USA: Massachusetts Deerfield: Deerfield C. H. Knowlton 1937-6-2
NEBC: 00702415 Viburnum lantanoides Michaux USA: Maine Marshfield: Marshfield C. H. Knowlton 1937-8-31
NEBC: 00687980 Viburnum lentago Linnaeus USA: Vermont Bristol: Bristol C. H. Knowlton 1937-7-24
NEBC: 00702561 Viburnum lentago Linnaeus USA: Massachusetts Deerfield: Deerfield C. H. Knowlton 1937-6-2
NEBC: 00702659 Viburnum rafinesqueanum Schultes USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1937-8-25
Caryophyllaceae
GH: 01741433 Arenaria fendleri A. Gray USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-27
GH: 01741434 Arenaria fendleri A. Gray USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-27
GH: 01742795 Cerastium arvense Linnaeus USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-27
GH: 01751483 Silene antirrhina Linnaeus USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-28
NEBC: 00581483 Stellaria graminea Linnaeus USA: Vermont Bristol: Bristol C. H. Knowlton 1937-7-24
GH: 01622412 Stellaria longifolia Muhlenberg ex Willdenow USA: Colorado Estes Park: margin of Fall River C. H. Knowlton 1937-6-28
Celastraceae
NEBC: 00295197 Celastrus scandens Linnaeus USA: Vermont West Haven: C. H. Knowlton 1937-8-25
NEBC: 00295180 Celastrus scandens Linnaeus USA: Vermont Grand Isle: C. H. Knowlton 1937-7-28
Chenopodiaceae
GH: 01781381 Blitum capitatum Linnaeus USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-28
GH: 01781498 Blitum nuttallianum Schultes USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-27
Convolvulaceae
NEBC: 00633741 Calystegia sepium (Linnaeus) R. Brown USA: Vermont Shelburne: Shelburne C. H. Knowlton 1937-7-25
Cornaceae
NEBC: 00573414 Cornus racemosa Lamarck USA: Vermont Bristol: Bristol C. H. Knowlton 1937-7-24
NEBC: 00502594 Cornus rugosa Lamarck USA: Vermont West Haven: West Haven C. H. Knowlton 1937-8-25
NEBC: 00765565 Cornus stolonifera Michaux USA: Vermont Bristol: Bristol C. H. Knowlton 1937-7-24
Crassulaceae
GH: 01991488 Sedum lanceolatum Torrey USA: Colorado Grand Lake C. H. Knowlton 1937-6-26
GH: 01991506 Sedum lanceolatum Torrey USA: Colorado Bear Creek Canyon C. H. Knowlton 1937-6-25
Cupressaceae
GH: 02104545 Juniperus communis montana Aiton USA: Colorado Juniper Pass C. H. Knowlton 1937-6-25
GH: 02106090 Juniperus scopulorum Sargent USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-29
Cyperaceae
NEBC: 00221145 Carex bebbii (L. H. Bailey) Olney ex Fernald USA: Vermont Bristol: C. H. Knowlton 1937-7-24
NEBC: 00221959 Carex cephaloidea (Dewey) Dewey USA: Massachusetts Deerfield: C. H. Knowlton 1937-6-2
NEBC: 00222697 Carex comosa Boott USA: Maine Chesterville: C. H. Knowlton 1937-7-31
NEBC: 00222756 Carex comosa Boott USA: Vermont Bristol: C. H. Knowlton 1937-7-24
NEBC: 00254550 Carex hystericina Muhlenberg ex Willdenow USA: Vermont Bristol: C. H. Knowlton 1937-7-24
NEBC: 00299474 Carex lacustris Willdenow USA: Vermont Bristol: C. H. Knowlton 1937-7-24
NEBC: 00895086 Carex magellanica én (Wahlenberg) Hultén USA: Vermont Bristol: Bristol C. H. Knowlton 1937-7-24
GH: 02369147 Carex praegracilis W. Boott USA: Colorado Estes Park: Fall River C. H. Knowlton 1937-6-28
NEBC: 00892590 Carex retrorsa Schweinitz USA: Vermont Cornwall: Cornwall C. H. Knowlton 1937-7-21
GH: 01774383 Carex rostrata Stokes USA: Colorado Estes Park: [data not captured] C. H. Knowlton 1937-6-29
NEBC: 01058206 Carex vesicaria Linnaeus USA: Vermont Grand Isle: Grand Isle C. H. Knowlton 1937-7-28
NEBC: 01043317 Carex vulpinoidea Michaux USA: Vermont Bristol: Bristol C. H. Knowlton 1937-7-24
NEBC: 01042577 Cyperus dentatus Torrey USA: Massachusetts Westwood: Westwood C. H. Knowlton 1937-9-24
NEBC: 01047220 Cyperus strigosus Linnaeus USA: Vermont Castleton: Castleton C. H. Knowlton 1937-8-24
NEBC: 01060453 Eriophorum tenellum Nuttall USA: Maine Columbia Falls: Columbia Falls C. H. Knowlton 1937-9-3
NEBC: 00766897 Eriophorum virginicum Linnaeus USA: Maine Columbia Falls: Columbia Falls C. H. Knowlton 1937-9-3
NEBC: 00894765 Scirpus atrovirens Muhlenberg USA: Vermont Bristol: Bristol C. H. Knowlton 1937-7-24
NEBC: 00894961 Scirpus cyperinus (Linnaeus) Kunth USA: Maine Columbia Falls: Columbia Falls C. H. Knowlton 1937-9-3
NEBC: 01160204 Scirpus cyperinus (Linnaeus) Kunth USA: Vermont Castleton: Castleton C. H. Knowlton 1937-8-24
NEBC: 00808866 Scirpus pedicellatus Fernald USA: Vermont Grand Isle: Grand Isle C. H. Knowlton 1937-7-28
Droseraceae
NEBC: 00754496 Drosera rotundifolia Linnaeus USA: Vermont Bristol: Bristol C. H. Knowlton 1937-7-24
Dryopteridaceae
NEBC: 00704335 Dryopteris cristata (Linnaeus) A. Gray USA: Vermont Bristol: Bristol C. H. Knowlton 1937-7-24
NEBC: 00636275 Dryopteris marginalis (Linnaeus) A. Gray USA: Vermont Poultney: Poultney C. H. Knowlton 1937-8-24
Ericaceae
NEBC: 00519128 Vaccinium corymbosum Linnaeus USA: Maine Chesterville: Chesterville C. H. Knowlton 1937-7-31
Euphorbiaceae
NEBC: 01078667 Acalypha rhomboidea Rafinesque USA: Vermont West Haven: West Haven C. H. Knowlton 1937-8-25
Fabaceae
GH: 02044088 Astragalus drummondii Douglas ex Hooker USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-29
GH: 02044489 Astragalus flexuosus (Hooker) Douglas ex G. Don USA: Colorado Estes Park: Dry upland field C. H. Knowlton 1937-6-27
GH: 02049880 Astragalus parryi A. Gray USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-27
GH: 02049884 Astragalus parryi A. Gray USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-27
NEBC: 00654405 Desmodium glutinosum (Muhlenberg ex Willdenow) Alph. Wood USA: Vermont West Haven: West Haven C. H. Knowlton 1937-8-25
GH: 02085224 Lupinus argenteus ingratus (Greene) Harmon USA: Colorado Estes Park C. H. Knowlton 1937-6-27
GH: 02085743 Lupinus caespitosus Nuttall ex Torrey & A. Gray USA: Colorado Grand Lake C. H. Knowlton 1937-6-26
GH: 02131037 Oxytropis lambertii bigelovii A. Gray USA: Colorado Estes Park C. H. Knowlton 1937-6-28
GH: 02131036 Oxytropis lambertii bigelovii A. Gray USA: Colorado Estes Park C. H. Knowlton 1937-6-28
GH: 02131416 Oxytropis sericea Nuttall USA: Colorado Estes Park: by Fall River. C. H. Knowlton 1937-6-28
GH: 02133758 Psoralidium tenuiflorum (Pursh) Rydberg USA: Colorado near Morrison C. H. Knowlton 1937-6-23
NEBC: 00578340 Robinia pseudoacacia Linnaeus USA: Massachusetts Northampton: Northampton C. H. Knowlton 1937-6-2
GH: 02343699 Trifolium nanum Torrey USA: Colorado Fall River Pass C. H. Knowlton 1937-6-26
Fagaceae
NEBC: 00662780 Quercus montana Willdenow USA: Vermont Grand Isle: Grand Isle C. H. Knowlton 1937-7-28
Gentianaceae
GH: 02069822 Frasera speciosa Douglas ex Grisebach USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-30
GH: 02069836 Frasera speciosa Douglas ex Grisebach USA: Colorado Estes Park C. H. Knowlton 1937-6-30
Geraniaceae
GH: 01864479 Geranium fremontii Torrey ex A. Gray USA: Colorado Bear Creek Canyon C. H. Knowlton 1937-6-25
NEBC: 01068366 Geranium maculatum Linnaeus USA: Massachusetts Deerfield: Deerfield C. H. Knowlton 1937-6-2
GH: 01866050 Geranium richardsonii Fischer & C. A. Meyer USA: Colorado Estes Park: by Fall River C. H. Knowlton 1937-6-28
NEBC: 01068523 Geranium robertianum Linnaeus USA: Vermont West Haven: West Haven C. H. Knowlton 1937-8-25
Hydrocharitaceae
NEBC: 01047552 Elodea canadensis Michaux USA: Vermont Shelburne: Shelburne C. H. Knowlton 1937-7-25
Hypericaceae
NEBC: 00715218 Hypericum canadense Linnaeus USA: New Hampshire Marlboro C. H. Knowlton 1937-8-19
NEBC: 00629052 Hypericum mutilum Linnaeus USA: Vermont Bristol: Bristol C. H. Knowlton 1937-7-24
NEBC: 00774695 Hypericum punctatum Lamarck USA: Vermont Bristol: Bristol C. H. Knowlton 1937-7-24
NEBC: 00774701 Hypericum punctatum Lamarck USA: Vermont Poultney: Poultney C. H. Knowlton 1937-8-24
NEBC: 00629323 Triadenum virginicum (Linnaeus) Rafinesque USA: New Hampshire Marlboro C. H. Knowlton 1937-8-19
Iridaceae
GH: 01750004 Sisyrinchium montanum Greene USA: Colorado Estes Park: by Fall River C. H. Knowlton 1937-6-28
GH: 01750005 Sisyrinchium montanum Greene USA: Colorado Estes Park: (Fall River) C. H. Knowlton 1937-6-28
Juncaceae
GH: 02099749 Juncus balticus vallicola Rydberg USA: Colorado Estes Park C. H. Knowlton 1937-6-27
NEBC: 00860749 Juncus marginatus Rostkovius USA: Vermont Castleton: Castleton C. H. Knowlton 1937-8-24
Lamiaceae
GH: 01554505 Dracocephalum parviflorum Nuttall USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-28
NEBC: 00562640 Glechoma hederacea Linnaeus USA: Massachusetts Deerfield: Deerfield C. H. Knowlton 1937-6-2
NEBC: 00696660 Lycopus americanus Muhlenberg ex W. P. C. Barton USA: New Hampshire Marlboro C. H. Knowlton 1937-8-19
NEBC: 00658099 Lycopus americanus Muhlenberg ex W. P. C. Barton USA: Vermont Castleton: Castleton C. H. Knowlton 1937-8-24
NEBC: 00696900 Lycopus uniflorus Michaux USA: Maine Columbia Falls: Columbia Falls C. H. Knowlton 1937-9-3
NEBC: 01018191 Mentha canadensis Linnaeus USA: Vermont Bristol: Bristol C. H. Knowlton 1937-7-24
NEBC: 00591163 Physostegia virginiana (Linnaeus) Bentham USA: Massachusetts Hingham: Hingham C. H. Knowlton 1937-8-15
GH: 01696954 Scutellaria brittonii Porter USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-27
GH: 01696955 Scutellaria brittonii Porter USA: Colorado Bear Creek Canyon C. H. Knowlton 1937-6-25
GH: 01696979 Scutellaria brittonii Porter USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-27
NEBC: 00686190 Scutellaria galericulata Linnaeus USA: Vermont Bristol: Bristol C. H. Knowlton 1937-7-24
NEBC: 00642788 Scutellaria lateriflora Linnaeus USA: Vermont Bristol: Bristol C. H. Knowlton 1937-7-24
NEBC: 00612537 Teucrium occidentale boreale (E.P. Bicknell) Ferna USA: Vermont Grand Isle: Grand Isle C. H. Knowlton 1937-7-28
Lentibulariaceae
NEBC: 00731370 Utricularia geminiscapa Benjamin USA: Maine Columbia Falls: Columbia Falls C. H. Knowlton 1937-9-3
NEBC: 00664614 Utricularia vulgaris macrorhiza (L. LeConte) R. T. Clausen USA: Vermont Bristol: Bristol C. H. Knowlton 1937-7-24
Liliaceae
NEBC: 00817329 Maianthemum racemosum (Linnaeus) Link USA: Vermont Hinesburg: Hinesburg C. H. Knowlton 1937-7-27
Linaceae
GH: 02053189 Linum lewisii Pursh USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-30
Lycopodiaceae
NEBC: 00214877 Diphasiastrum tristachyum (Pursh) Holub USA: Maine Columbia Falls: C. H. Knowlton 1937-9-3
Malvaceae
GH: 02199078 Sidalcea neomexicana A. Gray USA: Colorado Estes Park C. H. Knowlton 1937-7-1
Nymphaeaceae
NEBC: 00761924 Nymphaea tuberosa Paine USA: Vermont Grand Isle: Grand Isle C. H. Knowlton 1937-7-28
Onagraceae
GH: 01776232 Epilobium lactiflorum Haussknecht Canada: Alberta Brook between Little and Big Shovel Passes C. H. Knowlton 1937-8-12
NEBC: 01040924 Epilobium palustre Linnaeus USA: Maine Columbia Falls: Columbia Falls C. H. Knowlton 1937-9-3
GH: 01778900 Gayophytum diffusum parviflorum F.H. Lewis & Szweyk. USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-29
GH: 01778896 Gayophytum ramosissimum Torrey & A. Gray USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-29
GH: 01778901 Gayophytum ramosissimum Torrey & A. Gray USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-29
GH: 01645559 Oenothera coronopifolia A. Gray & Torrey USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-29
Orchidaceae
NEBC: 01016843 Liparis loeselii (Linnaeus) Richard USA: Vermont Castleton: Castleton C. H. Knowlton 1937-8-24
NEBC: 01062758 Platanthera flava herbiola (R. Brown) Luer USA: Vermont Grand Isle: Grand Isle C. H. Knowlton 1937-7-28
NEBC: 00462382 Platanthera lacera (Michaux) G. Don USA: Maine Chesterville: Chesterville C. H. Knowlton 1937-7-31
NEBC: 01056462 Spiranthes cernua (Linnaeus) Richard USA: Vermont Castleton: Castleton C. H. Knowlton 1937-8-24
Orobanchaceae
GH: 01877538 Castilleja linariaefolia Bentham USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-29
GH: 01879354 Castilleja sulphurea Rydberg USA: Colorado Estes Park: by Fall River C. H. Knowlton 1937-6-29
GH: 02082287 Orobanche fasciculata Nuttall USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-29
Osmundaceae
NEBC: 00690475 Osmunda claytoniana Linnaeus USA: Maine Chesterville: Chesterville C. H. Knowlton 1937-7-31
NEBC: 00752943 Osmundastrum cinnamomeum (Linnaeus) C. Presl USA: Massachusetts Deerfield: Deerfield C. H. Knowlton 1937-6-2
Papaveraceae
GH: 01738324 Corydalis aurea Willdenow USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-28
NEBC: 00722048 Corydalis sempervirens (Linnaeus) Persoon USA: Vermont West Haven: West Haven C. H. Knowlton 1937-8-25
Penthoraceae
NEBC: 01028471 Penthorum sedoides Linnaeus USA: Vermont Bristol: Bristol C. H. Knowlton 1937-7-24
Phrymaceae
NEBC: 00664695 Phryma leptostachya Linnaeus USA: Vermont Hinesburg: Hinesburg C. H. Knowlton 1937-7-27
Pinaceae
GH: 00399180 Pinus ponderosa P. Lawson & C. Lawson USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-27
GH: 01113401 Pseudotsuga menziesii (Mirbel) Franco USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-28
Plantaginaceae
GH: 01998208 Besseya plantaginea (E. James) P. A. Rydberg USA: Colorado Estes Park: no additional data] C. H. Knowlton 1937-6-30
GH: 02120383 Penstemon humilis Nuttall ex A. Gray USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-27
GH: 02120382 Penstemon humilis Nuttall ex A. Gray USA: Colorado upland near Lookout Mt. C. H. Knowlton 1937-6-23
GH: 02122416 Penstemon secundiflorus Bentham USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-27
GH: 02122415 Penstemon secundiflorus Bentham USA: Colorado Bear Creek Canyon C. H. Knowlton 1937-6-25
GH: 01801111 Penstemon unilateralis Rydberg USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-30
GH: 01801132 Penstemon unilateralis Rydberg USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-30
Poaceae
NEBC: 01178382 Agrostis perennans (Walter) Tuckerman USA: Maine Marshfield: Marshfield C. H. Knowlton 1937-8-31
NEBC: 00622563 Alopecurus pratensis Linnaeus USA: Massachusetts Deerfield: Deerfield C. H. Knowlton 1937-6-2
NEBC: 00764037 Andropogon gerardi Vitman USA: Maine Mexico: Mexico C. H. Knowlton 1937-7-30
NEBC: 01045224 Brachyelytrum aristosum (Michaux) P. Beauvois ex Branner & Coville USA: New Hampshire Peterborough: Peterborough C. H. Knowlton 1937-7-18
NEBC: 00868093 Bromus kalmii A. Gray USA: Vermont Cornwall: Cornwall C. H. Knowlton 1937-7-21
NEBC: 01151039 Dichanthelium latifolium (Linnaeus) Harvill USA: Vermont Bristol: Bristol C. H. Knowlton 1937-7-24
NEBC: 00594122 Echinochloa crus-galli (Linnaeus) P. Beauvois USA: Maine Monmouth: Monmouth C. H. Knowlton 1937-8-27
NEBC: 01151359 Echinochloa muricata microstachya Wiegand USA: Vermont Castleton: Castleton C. H. Knowlton 1937-8-24
NEBC: 00855701 Eragrostis capillaris (Linnaeus) Nees USA: Vermont West Haven: West Haven C. H. Knowlton 1937-8-25
NEBC: 00878554 Glyceria canadensis (Michaux) Trinius USA: Maine Chesterville: Chesterville C. H. Knowlton 1937-7-31
NEBC: 00817538 Leersia oryzoides (Linnaeus) Swartz USA: Maine Columbia Falls: Columbia Falls C. H. Knowlton 1937-9-3
NEBC: 00864950 Muhlenbergia mexicana (Linnaeus) Trinius USA: Vermont Poultney: Poultney C. H. Knowlton 1937-8-24
NEBC: 01150901 Piptatherum racemosum (Smith) Eaton USA: Vermont Cornwall: Cornwall C. H. Knowlton 1937-7-21
NEBC: 00598184 Setaria pumila (Poiret) Roemer & Schultes USA: Maine Farmington: Farmington C. H. Knowlton 1937-8-1
NEBC: 00879463 Sporobolus vaginiflorus (Torrey) Alph. Wood USA: Vermont West Haven: West Haven C. H. Knowlton 1937-8-25
Polemoniaceae
GH: 01092373 Collomia linearis Nuttall USA: Colorado near Lookout Mt. C. H. Knowlton 1937-6-23
GH: 01104366 Ipomopsis spicata (Nuttall) V. E. Grant USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-27
GH: 01571272 Phlox muscoides Nuttall USA: Colorado above Fall River Pass. R. M. Nat. Park C. H. Knowlton 1937-6-26
Polygonaceae
GH: 02346353 Bistorta bistortoides (Pursh) Small USA: Colorado Estes Park C. H. Knowlton 1937-6-29
GH: 02346792 Bistorta vivipara (Linnaeus) Gray Canada: Alberta [data not captured] C. H. Knowlton 1937-8-12
GH: 02365026 Bistorta vivipara (Linnaeus) Gray USA: Colorado by Fall River, Estes Park C. H. Knowlton 1937-7-1
NEBC: 00645360 Polygonum cristatum Engelmann & A. Gray USA: Vermont West Haven: West Haven C. H. Knowlton 1937-8-25
NEBC: 00645361 Polygonum cristatum Engelmann & A. Gray USA: Vermont West Haven: West Haven C. H. Knowlton 1937-8-25
NEBC: 00552307 Polygonum pensylvanicum Linnaeus USA: Massachusetts Whitman: Whitman C. H. Knowlton 1937-9-30
NEBC: 00552308 Polygonum pensylvanicum Linnaeus USA: Massachusetts Whitman: Whitman C. H. Knowlton 1937-9-30
NEBC: 00552309 Polygonum pensylvanicum Linnaeus USA: Massachusetts Whitman: Whitman C. H. Knowlton 1937-9-30
NEBC: 00552549 Polygonum persicaria Linnaeus USA: Vermont Bristol: Bristol C. H. Knowlton 1937-7-24
NEBC: 00729249 Polygonum sagittatum Linnaeus USA: Vermont Poultney: Poultney C. H. Knowlton 1937-8-24
NEBC: 00664808 Polygonum scandens Linnaeus USA: Massachusetts Whitman: Whitman C. H. Knowlton 1937-9-30
GH: 02004235 Rumex triangulivalvis (Danser) K. H. Rechinger USA: Colorado Estes Park C. H. Knowlton 1937-6-28
NEBC: 00650471 Rumex verticillatus Linnaeus USA: Vermont Grand Isle: Grand Isle C. H. Knowlton 1937-7-28
Polypodiaceae
NEBC: 00658140 Polypodium virginianum Linnaeus USA: Vermont West Haven: West Haven C. H. Knowlton 1937-8-25
Portulacaceae
GH: 01860321 Montia chamissoi (Ledebour ex Sprengel) Greene USA: Colorado Estes Park: by Fall River C. H. Knowlton 1937-6-29
GH: 01860323 Montia chamissoi (Ledebour ex Sprengel) Greene USA: Colorado Estes Park: Fall River C. H. Knowlton 1937-6-19
Potamogetonaceae
NEBC: 00606083 Potamogeton crispus Linnaeus USA: Vermont Shelburne: Shelburne C. H. Knowlton 1937-7-25
Primulaceae
GH: 01942138 Androsace diffusa Small USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-28
GH: 01922533 Dodecatheon pauciflorum (Durand) Greene USA: Colorado near Fall river C. H. Knowlton 1937-6-28
NEBC: 00572550 Lysimachia thyrsiflora Linnaeus USA: Vermont Bristol: Bristol C. H. Knowlton 1937-7-24
GH: 01927619 Primula angustifolia Torrey USA: Colorado Fall River Pass C. H. Knowlton 1937-6-26
Pteridaceae
NEBC: 00219194 Adiantum pedatum Linnaeus USA: Vermont Poultney: C. H. Knowlton 1937-8-24
Ranunculaceae
GH: 01720238 Aconitum columbianum Nuttall USA: Colorado by Fall River, Estes Park C. H. Knowlton 1937-7-1
NEBC: 00562023 Actaea pachypoda Elliott USA: Vermont Cavendish: Cavendish C. H. Knowlton 1937-7-19
GH: 01706047 Actaea rubra (Aiton) Willdenow USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-30
GH: 01706433 Anemone canadensis Linnaeus USA: Colorado Estes Park: by Fall River C. H. Knowlton 1937-7-1
GH: 01708060 Anemone patens multifida Pritzel USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-27
GH: 01708061 Anemone patens multifida Pritzel USA: Colorado Juniper Pass C. H. Knowlton 1937-6-25
GH: 01708076 Anemone patens multifida Pritzel USA: Colorado Juniper Pass C. H. Knowlton 1937-6-25
NEBC: 00753756 Anemone virginiana Linnaeus USA: Vermont Poultney: Poultney C. H. Knowlton 1937-8-24
NEBC: 00485301 Aquilegia canadensis Linnaeus USA: Maine Chesterville Ridge C. H. Knowlton 1937-7-31
NEBC: 00575710 Clematis virginiana Linnaeus USA: Vermont Castleton: Castleton C. H. Knowlton 1937-8-24
GH: 01664080 Ranunculus flammula Linnaeus USA: Colorado Estes Park: Swale near Fall River C. H. Knowlton 1937-6-28
GH: 01664307 Ranunculus flammula filiformis (Michaux) Hooker USA: Colorado Estes Park: Swale near Fall River C. H. Knowlton 1937-6-28
GH: 01838377 Ranunculus uncinatus D. Don USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-27
GH: 01839080 Thalictrum fendleri polycarpum Torrey USA: Colorado Estes Park: by Fall River C. H. Knowlton 1937-6-28
GH: 01839081 Thalictrum fendleri polycarpum Torrey USA: Colorado Estes Park: by Fall River C. H. Knowlton 1937-6-28
Rhamnaceae
NEBC: 00578436 Rhamnus cathartica Linnaeus USA: Vermont Shelburne: Shelburne C. H. Knowlton 1937-7-25
Rosaceae
NEBC: 00649788 Agrimonia pubescens Wallroth USA: Vermont Hinesburg: Hinesburg C. H. Knowlton 1937-7-27
NEBC: 00649961 Agrimonia striata Michaux USA: Vermont Poultney: Poultney C. H. Knowlton 1937-8-24
GH: 01726392 Amelanchier alnifolia (Nuttall) Nuttall ex M. Roemer USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-29
GH: 01726395 Amelanchier alnifolia (Nuttall) Nuttall ex M. Roemer USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-29
NEBC: 00743803 Amelanchier laevis Wiegand USA: New Hampshire Enfield: Enfield C. H. Knowlton 1937-5-21
NEBC: 00661868 Amelanchier stolonifera Wiegand USA: New Hampshire Enfield: Enfield C. H. Knowlton 1937-5-21
NEBC: 00653053 Comarum palustre Linnaeus USA: Vermont Bristol: Bristol C. H. Knowlton 1937-7-24
GH: 01608394 Drymocallis fissa (Nuttall) Rydberg USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-27
GH: 01608410 Drymocallis fissa (Nuttall) Rydberg USA: Colorado Bear Creek Canyon C. H. Knowlton 1937-6-25
GH: 01606452 Fragaria vesca americana (Porter) Staudt USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-28
GH: 01608907 Geum aleppicum strictum Fernald USA: Colorado Estes Park: by Fall River C. H. Knowlton 1937-6-28
NEBC: 00669610 Geum fragarioides (Michaux) Smedmark USA: Vermont West Haven: West Haven C. H. Knowlton 1937-8-25
GH: 01610204 Geum rossii turbinatum (Rydberg) C. L. Hitchcock USA: Colorado Fall River Pass. C. H. Knowlton 1937-6-26
GH: 00994533 Holodiscus discolor (Pursh) Maximowicz USA: Colorado Bear Creek Canyon C. H. Knowlton 1937-6-25
GH: 01590521 Physocarpus monogynus (Torrey) J. M. Coulter USA: Colorado Bear Creek Canyon C. H. Knowlton 1937-6-25
GH: 01590530 Physocarpus monogynus (Torrey) J. M. Coulter USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-28
GH: 01590539 Physocarpus monogynus (Torrey) J. M. Coulter USA: Colorado Bear Creek Canyon C. H. Knowlton 1937-6-25
GH: 01567000 Potentilla bipinnatifida Douglas USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-30
GH: 01567180 Potentilla concinna Richardson USA: Colorado Bear Creek Canyon C. H. Knowlton 1937-6-25
GH: 01567398 Potentilla effusa Douglas ex Lehmann USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-27
GH: 01567403 Potentilla effusa Douglas ex Lehmann USA: Colorado Estes Park: Dry upland C. H. Knowlton 1937-6-27
NEBC: 00756263 Potentilla fruticosa (Linnaeus) Rydberg USA: Vermont Castleton: Castleton C. H. Knowlton 1937-8-24
GH: 01567877 Potentilla gracilis Douglas ex Hooker USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6
GH: 01569407 Potentilla norvegica Linnaeus USA: Colorado Estes Park: thicket of Fall River C. H. Knowlton 1937-6-29
GH: 01569772 Potentilla pensylvanica Linnaeus USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-27
GH: 01569989 Potentilla pulcherrima Lehmann USA: Colorado Estes Park: by Thompson River C. H. Knowlton 1937-6-29
NEBC: 00743261 Prunus serotina Ehrhart USA: Maine Chesterville: Chesterville C. H. Knowlton 1937-7-31
GH: 01725149 Prunus virginiana Linnaeus Canada: Alberta Brule Station C. H. Knowlton 1937-8-7
GH: 01725180 Prunus virginiana Linnaeus USA: Colorado Estes Park: near Fall River C. H. Knowlton 1937-6-29
GH: 01556532 Purshia tridentata (Pursh) de Candolle USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-27
GH: 01557032 Rosa acicularis sayi (Schweinitz) W. H. Lewis USA: Colorado Estes Park: Ledge by Fall River C. H. Knowlton 1937-6-29
NEBC: 00771388 Rosa acicularis sayi (Schweinitz) W. H. Lewis USA: Vermont West Haven: West Haven C. H. Knowlton 1937-8-25
NEBC: 00441341 Rosa carolina Linnaeus USA: Maine Columbia Falls: Columbia Falls C. H. Knowlton 1937-9-3
GH: 01602030 Rosa sp. USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-28
NEBC: 00441905 Rubus allegheniensis Porter USA: Vermont Poultney: Poultney C. H. Knowlton 1937-8-24
GH: 01604273 Rubus deliciosus Torrey USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-28
NEBC: 00651413 Rubus occidentalis Linnaeus USA: Massachusetts Deerfield: Deerfield C. H. Knowlton 1937-6-2
NEBC: 00651630 Rubus odoratus Linnaeus USA: Vermont Poultney: Poultney C. H. Knowlton 1937-8-24
NEBC: 00710134 Spiraea tomentosa Linnaeus USA: Vermont Bristol: Bristol C. H. Knowlton 1937-7-24
Rubiaceae
GH: 02358740 Galium boreale Linnaeus Canada: Alberta [data not captured] C. H. Knowlton 1937-8-3
GH: 02359251 Galium boreale Linnaeus USA: Colorado Estes Park: by Fall River C. H. Knowlton 1937-6-28
NEBC: 00732143 Galium palustre Linnaeus USA: Vermont Bristol: Bristol C. H. Knowlton 1937-7-24
Salicaceae
NEBC: 00684546 Salix candida Fluegg ex Willd. USA: Vermont Bristol: Bristol C. H. Knowlton 1937-7-24
Santalaceae
GH: 02168114 Geocaulon lividum (Richardson) Fernald Canada: Alberta Brule C. H. Knowlton 1937-8-3
Sarraceniaceae
NEBC: 00231159 Sarracenia purpurea Linnaeus USA: Vermont Bristol: C. H. Knowlton 1937-7-24
Saxifragaceae
GH: 01733673 Chrysosplenium tetrandrum Th. Fries Canada: Alberta Solomon Mine. C. H. Knowlton 1937-8-8
GH: 01735010 Heuchera bracteata (Torrey) Seringe USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-7-1
GH: 01735013 Heuchera bracteata (Torrey) Seringe USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-28
GH: 01735585 Heuchera parvifolia Nuttall ex Torrey & A. Gray USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-27
GH: 01737515 Jamesia americana Torrey & A. Gray USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-28
GH: 01737516 Jamesia americana Torrey & A. Gray USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-28
GH: 01633757 Ribes cereum Douglas USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-27
GH: 01633763 Ribes cereum Douglas USA: Colorado Juniper Pass. C. H. Knowlton 1937-6-25
GH: 01633764 Ribes cereum Douglas USA: Colorado Estes Park: Dry upland C. H. Knowlton 1937-6-27
NEBC: 00665297 Ribes glandulosum Grauer USA: Vermont West Haven: West Haven C. H. Knowlton 1937-8-25
GH: 01886299 Ribes inerme Rydberg USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-28
GH: 01619233 Saxifraga bronchialis austromontana (Wiegand) M. Peck USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-30
GH: 01619251 Saxifraga bronchialis austromontana (Wiegand) M. Peck USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-30
Scrophulariaceae
NEBC: 00686829 Lindernia dubia (Linnaeus) Pennell USA: New Hampshire Marlboro C. H. Knowlton 1937-8-19
NEBC: 00668942 Mimulus ringens Linnaeus USA: New Hampshire Marlboro C. H. Knowlton 1937-8-19
NEBC: 00668957 Mimulus ringens Linnaeus USA: Vermont Bristol: Bristol C. H. Knowlton 1937-7-24
GH: 02041728 Scrophularia lanceolata Pursh USA: Colorado Estes Park: [no additional data] C. H. Knowlton 1937-6-28
NEBC: 00630558 Scrophularia marilandica Linnaeus USA: Vermont Poultney: Poultney C. H. Knowlton 1937-8-24
Solanaceae
NEBC: 00564314 Solanum dulcamara Linnaeus USA: Vermont Grand Isle: Grand Isle C. H. Knowlton 1937-7-28
GH: 01543542 Solanum triflorum Nuttall USA: Colorado Denver: R. R. yard C. H. Knowlton 1937-6-20
Taxaceae
NEBC: 00668349 Taxus canadensis Marshall USA: New Hampshire Enfield: Enfield C. H. Knowlton 1937-5-21
Thelypteridaceae
NEBC: 00708375 Thelypteris palustris pubescens (G. Lawson) Fernald USA: Vermont Bristol: Bristol C. H. Knowlton 1937-7-24
Tiliaceae
NEBC: 00679359 Tilia americana Linnaeus USA: Vermont Poultney: Poultney C. H. Knowlton 1937-8-24
Ulmaceae
NEBC: 00730382 Ulmus rubra Muhlenberg USA: Vermont West Haven: West Haven C. H. Knowlton 1937-8-25
Urticaceae
NEBC: 00658374 Boehmeria cylindrica (Linnaeus) Swartz USA: Vermont Bristol: Bristol C. H. Knowlton 1937-7-24
NEBC: 00648094 Laportea canadensis (Linnaeus) Weddell USA: Vermont Bristol: Bristol C. H. Knowlton 1937-7-24
NEBC: 00643840 Parietaria pensylvanica Muhlenberg ex Willdenow USA: Vermont Hinesburg: Hinesburg C. H. Knowlton 1937-7-27
NEBC: 00866045 Urtica dioica gracilis (Aiton) Selander USA: Vermont Bristol: Bristol C. H. Knowlton 1937-7-24
Verbenaceae
GH: 01954583 Verbena bracteata Lagasca & Rodriguez USA: Colorado Denver: [no additional data] C. H. Knowlton 1937-6-20
NEBC: 00716984 Verbena hastata Linnaeus USA: New Hampshire Marlboro C. H. Knowlton 1937-8-19
NEBC: 00716999 Verbena hastata Linnaeus USA: Vermont Bristol: Bristol C. H. Knowlton 1937-7-24
NEBC: 00668775 Verbena urticifolia Linnaeus USA: Vermont Hinesburg: Hinesburg C. H. Knowlton 1937-7-27
Violaceae
NEBC: 00560030 Viola blanda Willdenow USA: Vermont Cavendish: Cavendish C. H. Knowlton 1937-7-19
NEBC: 00560039 Viola blanda Willdenow USA: Vermont Poultney: Poultney C. H. Knowlton 1937-8-24
NEBC: 00560841 Viola labradorica Schrank USA: Vermont Hinesburg: Hinesburg C. H. Knowlton 1937-6-27
Woodsiaceae
NEBC: 00676260 Woodsia ilvensis (Linnaeus) R. Brown USA: Vermont West Haven: West Haven C. H. Knowlton 1937-8-25
Zygophyllaceae
GH: 01788203 Tribulus terrestris Linnaeus USA: Colorado Denver: [no additional data] C. H. Knowlton 1937-6-20