Harvard University Herbaria & Libraries

Alismataceae
NEBC: 01032673 Sagittaria latifolia Willdenow USA: Vermont Cambridge: Cambridge C. H. Knowlton 1923-8-5
Anacardiaceae
NEBC: 00592669 Rhus aromatica Aiton USA: Vermont Benson: Benson C. H. Knowlton 1923-6-27
NEBC: 00752433 Rhus copallinum latifolia Engler USA: Vermont Benson: Benson C. H. Knowlton 1923-6-27
Apiaceae
NEBC: 00523790 Carum carvi Linnaeus USA: Vermont Hubbardston C. H. Knowlton 1923-6-28
NEBC: 01051122 Cryptotaenia canadensis (Linnaeus) de Candolle USA: Vermont Hubbardston C. H. Knowlton 1923-6-28
NEBC: 01051483 Hydrocotyle americana Linnaeus USA: Vermont Ludlow: Ludlow C. H. Knowlton 1923-8-14
NEBC: 01081183 Osmorhiza claytonii (Michaux) C. B. Clarke USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1923-6-28
NEBC: 01081184 Osmorhiza claytonii (Michaux) C. B. Clarke USA: Vermont Hubbardton: Hubbardton C. H. Knowlton 1923-6-28
NEBC: 01009580 Osmorhiza longistylis (Torrey) de Candolle USA: Massachusetts Hingham: Hingham C. H. Knowlton 1923-6-24
NEBC: 01051983 Panax trifolius Linnaeus USA: Vermont Morristown: Morristown C. H. Knowlton 1923-5-30
NEBC: 01051986 Panax trifolius Linnaeus USA: Vermont Hartford: Hartford C. H. Knowlton 1923-5-18
NEBC: 00483439 Sanicula marilandica Linnaeus USA: Vermont Hubbardston C. H. Knowlton 1923-6-28
NEBC: 00587015 Zizia aurea (Linnaeus) W. D. J. Koch USA: Vermont Morristown: Morristown C. H. Knowlton 1923-5-30
NEBC: 00587027 Zizia aurea (Linnaeus) W. D. J. Koch USA: Vermont Hubbardston C. H. Knowlton 1923-6-28
Apocynaceae
GH: 02179645 Apocynum cannabinum Linnaeus Canada: Quebec Province Sandy shore of Lake Champlain; Philipsburg C. H. Knowlton 1923-8-10
GH: 02179644 Apocynum cannabinum Linnaeus Canada: Quebec Province Stanstead County; Lake Massawippi C. H. Knowlton 1923-7-21
Araceae
GH: 01634005 Acorus americanus (Rafinesque) Rafinesque Canada: Quebec Province Philipsburg C. H. Knowlton 1923-8-10
NEBC: 01080165 Arisaema triphyllum (Linnaeus) Schott USA: Vermont Morristown: Morristown C. H. Knowlton 1923-5-30
GH: 01655424 Calla palustris Linnaeus Canada: Quebec Province Sherbrooke: Lake Magog, Orford C. H. Knowlton 1923-7-22
GH: 00219780 Symplocarpus foetidus (Linnaeus) Salisbury ex W. P. C. Barton Canada: Quebec Province Near Brome Lake C. H. Knowlton 1923-5-27
GH: 01630961 Symplocarpus foetidus (Linnaeus) Salisbury ex W. P. C. Barton Canada: Quebec Province Near Brome Lake C. H. Knowlton 1923-5-27
Aristolochiaceae
GH: 01681972 Asarum canadense Linnaeus Canada: Quebec Province [data not captured] C. H. Knowlton 1923-7-23
GH: 01681962 Asarum canadense Linnaeus Canada: Quebec Province [data not captured] C. H. Knowlton 1923-8-10
NEBC: 00642358 Asarum canadense Linnaeus USA: Vermont Saint Johnsbury: St. Johnsbury C. H. Knowlton 1923-5-23
Aspleniaceae
NEBC: 00701203 Asplenium trichomanes Linnaeus USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1923-6-26
Asteraceae
NEBC: 01065333 Antennaria howellii canadensis (Greene) Bayer USA: Vermont Morristown: Morristown C. H. Knowlton 1923-5-30
GH: 01234968 Artemisia vulgaris Linnaeus Canada: Quebec Province Sherbrooke: [no additional data] C. H. Knowlton 1923-7
NEBC: 01017603 Carduus acanthoides Linnaeus USA: Vermont North Hero: North Hero C. H. Knowlton 1923-8-13
NEBC: 01028023 Carduus acanthoides Linnaeus USA: Vermont North Hero: North Hero C. H. Knowlton 1923-8-13
GH: 02172364 Centaurea jacea Linnaeus Canada: Quebec Province [data not captured] C. H. Knowlton 1923-7-21
GH: 02172363 Centaurea jacea Linnaeus Canada: Quebec Province [data not captured] C. H. Knowlton 1923-7-21
GH: 02021274 Cirsium muticum Michaux Canada: Quebec Province [data not captured] C. H. Knowlton 1923-7-21
NEBC: 00755746 Doellingeria umbellata (Miller) Nees USA: Vermont Ludlow: Ludlow C. H. Knowlton 1923-8-14
GH: 02207480 Erigeron annuus (Linnaeus) Persoon Canada: Quebec Province [data not captured] C. H. Knowlton 1923-7-21
NEBC: 01079405 Erigeron canadensis Linnaeus USA: Massachusetts Marshfield: Marshfield C. H. Knowlton 1923-8-25
GH: 02352446 Erigeron philadelphicus Linnaeus Canada: Quebec Province [data not captured] C. H. Knowlton 1923-7-20
NEBC: 01079267 Erigeron strigosus Muhlenberg ex Willdenow USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1923-6-28
NEBC: 00574385 Eurybia macrophylla (Linnaeus) Cassini USA: New Hampshire Campton: Campton C. H. Knowlton 1923-8-29
NEBC: 01019081 Eutrochium maculatum (Linnaeus) E. E. Lamont USA: New Hampshire Plymouth: Plymouth C. H. Knowlton 1923-8-29
NEBC: 01019217 Eutrochium purpureum (Linnaeus) E. E. Lamont USA: Massachusetts Marshfield: Marshfield C. H. Knowlton 1923-9-1
NEBC: 00535363 Galinsoga parviflora Cavanilles USA: Massachusetts Hingham: Hingham C. H. Knowlton 1923-10-7
GH: 01831335 Hieracium aurantiacum Linnaeus Canada: Quebec Province Sherbrooke: [data not captured] C. H. Knowlton 1923-7-22
NEBC: 00587810 Hieracium piloselloides Villars USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1923-6-28
NEBC: 01067390 Hieracium venosum Linnaeus USA: Vermont Benson: Benson C. H. Knowlton 1923-6-27
NEBC: 00626120 Hypochaeris radicata Linnaeus USA: Massachusetts Brewster: Brewster C. H. Knowlton 1923-6-20
NEBC: 01017351 Iva frutescens Linnaeus USA: Massachusetts Marshfield: Marshfield C. H. Knowlton 1923-8-25
GH: 01834123 Lactuca biennis (Moench) Fernald Canada: Quebec Province [data not captured] C. H. Knowlton 1923-8-10
NEBC: 01028413 Packera schweinitziana (Nutt.) W.A. Weber & Á. Löve USA: Vermont Mount Holly: Mount Holly C. H. Knowlton 1923-6-27
NEBC: 01028420 Packera schweinitziana (Nutt.) W.A. Weber & Á. Löve USA: Vermont Mount Holly: Mount Holly C. H. Knowlton 1923-6-27
NEBC: 00675123 Rudbeckia laciniata Linnaeus USA: Vermont Ludlow: Ludlow C. H. Knowlton 1923-8-14
NEBC: 01079937 Solidago aestivalis E. P. Bicknell USA: Massachusetts Hingham: Hingham C. H. Knowlton 1923-8-26
NEBC: 01055177 Solidago altissima Linnaeus USA: Vermont Highgate: Highgate C. H. Knowlton 1923-8-11
NEBC: 01055180 Solidago altissima Linnaeus USA: Vermont Barnet: Barnet C. H. Knowlton 1923-9-26
NEBC: 01052941 Solidago arguta Aiton USA: New Hampshire Campton: Campton C. H. Knowlton 1923-8-29
NEBC: 01055477 Solidago flexicaulis Linnaeus USA: Vermont Newbury: Newbury C. H. Knowlton 1923-9-25
NEBC: 01063254 Solidago nemoralis Aiton USA: New Hampshire Plymouth: Plymouth C. H. Knowlton 1923-8-29
NEBC: 01064729 Solidago speciosa Nuttall USA: Massachusetts Hingham: Hingham C. H. Knowlton 1923-10-7
NEBC: 01079389 Symphyotrichum USA: Massachusetts Millis: Millis C. H. Knowlton 1923-10-4
NEBC: 01031204 Symphyotrichum novi-belgii (Linnaeus) G. L. Nesom USA: Vermont Barnet: Barnet C. H. Knowlton 1923-9-26
NEBC: 00832530 Symphyotrichum puniceum (Linnaeus) Á. Löve & D. Löve USA: Vermont Newbury: Newbury C. H. Knowlton 1923-9-25
NEBC: 00691825 Xanthium strumarium canadense (Mill.) Torr. & A. Gray USA: Massachusetts Hingham: Hingham C. H. Knowlton 1923-10-7
Athyriaceae
NEBC: 00733562 Athyrium filix-femina angustum (Willdenow) G. Lawson USA: Vermont Cambridge: Cambridge C. H. Knowlton 1923-8-5
NEBC: 00733566 Athyrium filix-femina angustum (Willdenow) G. Lawson USA: Vermont Waterville: Waterville C. H. Knowlton 1923-8-5
NEBC: 00668713 Athyrium filix-femina angustum (Willdenow) G. Lawson USA: Massachusetts Hingham: Hingham C. H. Knowlton 1923-9-9
Berberidaceae
NEBC: 00697871 Caulophyllum thalictroides (Linnaeus) Michaux USA: Vermont Morristown: Morristown C. H. Knowlton 1923-5-30
Betulaceae
NEBC: 00657642 Alnus viridis crispa (Aiton) Turrill USA: Vermont Cambridge: Cambridge C. H. Knowlton 1923-5-30
GH: 02194785 Betula papyrifera Marshall Canada: Quebec Province [data not captured] C. H. Knowlton 1923-8-10
GH: 02193417 Betula populifolia Marshall Canada: Quebec Province [data not captured] C. H. Knowlton 1923-7-30
NEBC: 00627847 Corylus americana Walter USA: New Hampshire Concord: Concord C. H. Knowlton 1923-8-27
NEBC: 00727587 Corylus cornuta Marshall USA: Vermont Cambridge: Cambridge C. H. Knowlton 1923-8-5
Brassicaceae
GH: 00992259 Alyssum alyssoides Linnaeus Canada: Quebec Province [data not captured] C. H. Knowlton 1923-8-10
GH: 00992260 Alyssum alyssoides Linnaeus Canada: Quebec Province [data not captured] C. H. Knowlton 1923-8-10
NEBC: 00610745 Berteroa incana (Linnaeus) de Candolle USA: Massachusetts Marshfield: Marshfield C. H. Knowlton 1923-8-25
GH: 00932912 Boechera laevigata (Muhlenberg ex Willdenow) Al-Shehbaz Canada: Quebec Province [data not captured] C. H. Knowlton 1923-8-10
NEBC: 00712993 Boechera missouriensis (Greene) Al-Shehbaz USA: Vermont Benson: Benson C. H. Knowlton 1923-6-27
NEBC: 00757372 Cardamine diphylla (Michaux) Alph. Wood USA: Vermont Morristown: Morristown C. H. Knowlton 1923-5-30
GH: 01538414 Erysimum cheiranthoides Linnaeus Canada: Quebec Province [data not captured] C. H. Knowlton 1923-8-10
GH: 01538418 Erysimum cheiranthoides Linnaeus Canada: Quebec Province Wolfe [data not captured] C. H. Knowlton 1923-7-23
NEBC: 00582327 Lepidium densiflorum Schrader USA: Massachusetts Hingham: Hingham C. H. Knowlton 1923-6-24
NEBC: 00735994 Rorippa palustris (Linnaeus) Besser USA: Vermont Cambridge: Cambridge C. H. Knowlton 1923-8-5
Caprifoliaceae
NEBC: 00682450 Lonicera canadensis Bartram ex Marsh. USA: Vermont Saint Johnsbury: St. Johnsbury C. H. Knowlton 1923-5-23
NEBC: 00682639 Lonicera dioica Linnaeus USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1923-6-28
NEBC: 00687118 Lonicera villosa (Michaux) Roemer & Schultes USA: Massachusetts Paxton: Paxton C. H. Knowlton 1923-5-14
NEBC: 00687287 Sambucus racemosa Linnaeus USA: Vermont Morristown: Morristown C. H. Knowlton 1923-5-30
NEBC: 00680232 Triosteum aurantiacum E. P. Bicknell USA: Vermont Benson: Benson C. H. Knowlton 1923-6-27
NEBC: 00702172 Viburnum acerifolium Linnaeus USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1923-6-28
NEBC: 00579453 Viburnum dentatum lucidum Aiton USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1923-6-28
NEBC: 00721676 Viburnum lantanoides Michaux USA: Vermont Morristown: Morristown C. H. Knowlton 1923-5-30
Caryophyllaceae
NEBC: 00602833 Silene latifolia alba (Miller) Greuter & Burdet USA: Massachusetts Marshfield: Marshfield C. H. Knowlton 1923-8-25
Chenopodiaceae
NEBC: 00598837 Bassia hirsuta (L.) Archers USA: Massachusetts Hingham: Hingham C. H. Knowlton 1923-10-7
NEBC: 00561631 Chenopodium album Linnaeus USA: Massachusetts Hingham: Hingham C. H. Knowlton 1923-10-7
Cistaceae
NEBC: 00712675 Crocanthemum bicknellii (Fernald) Janchen USA: New Hampshire Concord: Concord C. H. Knowlton 1923-8-27
NEBC: 00569140 Lechea intermedia Leggett ex Britton USA: Massachusetts Easton: Easton C. H. Knowlton 1923-9-12
NEBC: 00757162 Lechea maritima Leggett ex Britton USA: New Hampshire Concord: Concord C. H. Knowlton 1923-10-7
NEBC: 00699853 Lechea maritima Leggett ex Britton USA: Massachusetts Marshfield: Marshfield C. H. Knowlton 1923-8-25
Commelinaceae
NEBC: 00757760 Lechea mucronata (do not use) Rafinesque USA: Massachusetts Easton: Easton C. H. Knowlton 1923-9-12
Convolvulaceae
NEBC: 00716487 Cuscuta compacta Jussieu ex Choisy USA: Massachusetts Hingham: Hingham C. H. Knowlton 1923-8-26
Cornaceae
NEBC: 00573419 Cornus racemosa Lamarck USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1923-6-28
NEBC: 00502592 Cornus rugosa Lamarck USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1923-6-28
NEBC: 00765549 Cornus stolonifera Michaux USA: Vermont Morristown: Morristown C. H. Knowlton 1923-5-30
Cupressaceae
GH: 02107238 Thuja occidentalis Linnaeus Canada: Quebec Province [data not captured] C. H. Knowlton 1923-7-21
GH: 02107232 Thuja occidentalis Linnaeus Canada: Quebec Province [data not captured] C. H. Knowlton 1923-8-10
Cyperaceae
NEBC: 00214637 Carex annectens (E. P. Bicknell) E. P. Bicknell USA: Vermont Benson: C. H. Knowlton 1923-6-27
GH: 02392125 Carex brunnescens (Persoon) Poiret Canada: Quebec Province [data not captured] C. H. Knowlton 1923-7-23
NEBC: 00218615 Carex brunnescens (Persoon) Poiret USA: Vermont Morristown: C. H. Knowlton 1923-5-30
NEBC: 00221563 Carex canescens disjuncta (Fernald) Toivonen USA: Vermont Mount Holly: C. H. Knowlton 1923-6-27
NEBC: 00222051 Carex cephalophora Muhlenberg USA: Vermont Benson: C. H. Knowlton 1923-6-27
NEBC: 00229443 Carex deflexa Hornemann USA: Vermont Saint Johnsbury: C. H. Knowlton 1923-5-23
NEBC: 00229444 Carex deflexa Hornemann USA: Vermont Saint Johnsbury: C. H. Knowlton 1923-5-23
NEBC: 00229588 Carex deweyana deweyana USA: Vermont Morristown: C. H. Knowlton 1923-5-30
NEBC: 00229600 Carex deweyana deweyana USA: Vermont Benson: C. H. Knowlton 1923-6-27
GH: 02394436 Carex disperma Dewey Canada: Quebec Province Sherbrooke: [data not captured] C. H. Knowlton 1923-7-22
NEBC: 00230052 Carex disperma Dewey USA: Vermont Morristown: C. H. Knowlton 1923-5-30
GH: 02391518 Carex echinata Murray Canada: Quebec Province [data not captured] C. H. Knowlton 1923-7-23
GH: 02391568 Carex echinata Murray Canada: Quebec Province [data not captured] C. H. Knowlton 1923-7-23
NEBC: 00232694 Carex echinata echinata USA: Vermont Mount Holly: C. H. Knowlton 1923-6-27
NEBC: 00242133 Carex exilis Dewey USA: Vermont Berkshire: C. H. Knowlton 1923-5-27
NEBC: 00242739 Carex flava Linnaeus USA: Vermont Mount Holly: C. H. Knowlton 1923-6-27
GH: 01772413 Carex intumescens Rudge Canada: Quebec Province [data not captured] C. H. Knowlton 1923-7-22
NEBC: 01030559 Carex longii Mackenzie USA: Massachusetts Hingham: [no additional data] C. H. Knowlton 1923-7-8
GH: 01772162 Carex lupulina Muhlenberg ex Willdenow Canada: Quebec Province [data not captured] C. H. Knowlton 1923-7-22
GH: 01772172 Carex lupulina Muhlenberg ex Willdenow Canada: Quebec Province [data not captured] C. H. Knowlton 1923-8-10
GH: 01772989 Carex lurida Wahlenberg Canada: Quebec Province [data not captured] C. H. Knowlton 1923-7-22
GH: 01772991 Carex lurida Wahlenberg Canada: Quebec Province [data not captured] C. H. Knowlton 1923-7-22
NEBC: 00895708 Carex novae-angliae Schweinitz USA: Vermont Saint Johnsbury: St. Johnsbury C. H. Knowlton 1923-5-23
NEBC: 01161340 Carex pauciflora Balbis ex Boott USA: Vermont Belvidere: Belvidere C. H. Knowlton 1923-8-5
NEBC: 00854426 Carex pedunculata Muhlenberg ex Willdenow USA: Vermont Saint Johnsbury: St. Johnsbury C. H. Knowlton 1923-5-23
NEBC: 00854430 Carex pedunculata Muhlenberg ex Willdenow USA: Vermont Morristown: Morristown C. H. Knowlton 1923-5-30
NEBC: 00854755 Carex pensylvanica Lamarck USA: Vermont Benson: Benson C. H. Knowlton 1923-6-27
NEBC: 00854952 Carex plantaginea Lamarck USA: Vermont Morristown: Morristown C. H. Knowlton 1923-5-30
NEBC: 01029100 Carex prasina Wahlenberg USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1923-6-28
NEBC: 00892596 Carex retrorsa Schweinitz USA: Vermont Hubbardton: Hubbardton C. H. Knowlton 1923-6-28
NEBC: 00892723 Carex rosea Schkuhr ex Willdenow USA: Vermont Benson: Benson C. H. Knowlton 1923-6-27
GH: 02395825 Carex stipata Muhlenberg ex Willdenow Canada: Quebec Province [data not captured] C. H. Knowlton 1923-7-23
NEBC: 00802810 Carex stipata Muhlenberg ex Willdenow USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1923-6-28
NEBC: 00802811 Carex stipata Muhlenberg ex Willdenow USA: Vermont Mount Holly: Mount Holly C. H. Knowlton 1923-6-27
NEBC: 00874607 Carex stricta Lamarck USA: Vermont Belvidere: Belvidere C. H. Knowlton 1923-8-5
GH: 02394708 Carex trisperma Dewey Canada: Quebec Province Sherbrooke: [data not captured] C. H. Knowlton 1923-7-22
GH: 01773966 Carex tuckermanii Dewey Canada: Quebec Province [data not captured] C. H. Knowlton 1923-8-10
GH: 01774513 Carex utriculata Boott Canada: Quebec Province [data not captured] C. H. Knowlton 1923-7-22
GH: 01775132 Carex vesicaria Linnaeus Canada: Quebec Province Sherbrooke: [data not captured] C. H. Knowlton 1923-7-20
GH: 01775136 Carex vesicaria Linnaeus Canada: Quebec Province [data not captured] C. H. Knowlton 1923-8-10
NEBC: 01058230 Carex vesicaria Linnaeus USA: Vermont Mount Holly: Mount Holly C. H. Knowlton 1923-6-27
GH: 02371898 Carex vulpinoidea Michaux Canada: Quebec Province [data not captured] C. H. Knowlton 1923-8-10
GH: 02371897 Carex vulpinoidea Michaux Canada: Quebec Province [data not captured] C. H. Knowlton 1923-7-21
NEBC: 01043824 Cyperus diandrus Torrey USA: Massachusetts Hingham: Hingham C. H. Knowlton 1923-8-26
NEBC: 01047250 Eleocharis flavescens olivacea (Torrey) Gleason USA: Massachusetts Hingham: Hingham C. H. Knowlton 1923-8-25
NEBC: 00714186 Eleocharis obtusa (Willdenow) Schultes USA: New Hampshire Plymouth: Plymouth C. H. Knowlton 1923-8-29
NEBC: 00717710 Eleocharis obtusa (Willdenow) Schultes USA: Massachusetts Hingham: Hingham C. H. Knowlton 1923-9-9
NEBC: 01060653 Eriophorum tenellum Nuttall USA: Vermont Waterville: Waterville C. H. Knowlton 1923-8-5
NEBC: 01042063 Eriophorum viridicarinatum (Engelmann) Fernald USA: Vermont Mount Holly: Mount Holly C. H. Knowlton 1923-6-27
NEBC: 00808868 Scirpus pedicellatus Fernald USA: Vermont Cambridge: Cambridge C. H. Knowlton 1923-8-5
NEBC: 00854119 Scirpus tabernaemontani C. C. Gmelin USA: Vermont Shelburne: Shelburne C. H. Knowlton 1923-8-8
Equisetaceae
NEBC: 00683740 Equisetum fluviatile Linnaeus USA: New Hampshire Plymouth: Plymouth C. H. Knowlton 1923-8-29
NEBC: 00654086 Equisetum sylvaticum Linnaeus USA: Vermont Morristown: Morristown C. H. Knowlton 1923-5-30
NEBC: 00709510 Equisetum variegatum Schleicher ex F. Weber & D. Mohr USA: Vermont Isle La Motte: Isle La Motte C. H. Knowlton 1923-8-13
Ericaceae
GH: 01537843 Chamaedaphne calyculata (Linnaeus) Moench Canada: Quebec Province Hatley. C. H. Knowlton 1923-7-21
NEBC: 00461169 Gaylussacia baccata (Wangenheim) K. Koch USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1923-6-28
GH: 01593431 Kalmia angustifolia Linnaeus Canada: Quebec Province Bolton C. H. Knowlton 1923-5-27
GH: 01719420 Monotropa uniflora Linnaeus Canada: Quebec Province Sherbrooke: Lake Park, Oxford C. H. Knowlton 1923-7-22
GH: 01719724 Orthilia secunda (Linnaeus) House Canada: Quebec Province Lake Park [Orford] C. H. Knowlton 1923-7-22
GH: 01761262 Pyrola elliptica Nuttall Canada: Quebec Province Sherbrooke: [data not captured] C. H. Knowlton 1923-7-22
GH: 01762734 Rhododendron canadense (Linnaeus) Torrey Canada: Quebec Province [data not captured] C. H. Knowlton 1923-5-27
GH: 01762735 Rhododendron canadense (Linnaeus) Torrey Canada: Quebec Province [data not captured] C. H. Knowlton 1923-5-27
GH: 01763741 Rhododendron groenlandicum (Oeder) Kron & Judd Canada: Quebec Province [data not captured] C. H. Knowlton 1923-5-27
NEBC: 00461816 Vaccinium angustifolium Aiton USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1923-6-28
Fabaceae
GH: 02129776 Medicago lupulina glandulosa Neilreich Canada: Quebec Province [data not captured] C. H. Knowlton 1923-7-23
GH: 02345801 Vicia cracca Linnaeus Canada: Quebec Province [data not captured] C. H. Knowlton 1923-7-20
Fagaceae
NEBC: 00695242 Quercus ilicifolia Wangenheim USA: New Hampshire Concord: Concord C. H. Knowlton 1923-8-27
NEBC: 00676019 Quercus macrocarpa Michaux USA: Vermont Whiting: Whiting C. H. Knowlton 1923-6-28
NEBC: 00676601 Quercus rubra Linnaeus USA: Vermont Cambridge: Cambridge C. H. Knowlton 1923-8-5
Gentianaceae
NEBC: 00726590 Gentiana clausa Rafinesque USA: Vermont Newbury: Newbury C. H. Knowlton 1923-9-25
NEBC: 00726894 Gentiana linearis Froelich USA: Vermont Belvidere: Belvidere C. H. Knowlton 1923-8-5
Hydrophyllaceae
NEBC: 00716576 Hydrophyllum virginianum Linnaeus USA: Vermont Morristown: Morristown C. H. Knowlton 1923-5-30
Hypoxidaceae
NEBC: 00485886 Hypoxis hirsuta (Linnaeus) Coville USA: Massachusetts Dartmouth: Dartmouth C. H. Knowlton 1923-7-9
Iridaceae
NEBC: 00894137 Sisyrinchium montanum crebrum Fernald USA: Massachusetts Hingham: Hingham C. H. Knowlton 1923-6-10
Juncaceae
GH: 02100175 Juncus brevicaudatus (Engelmann) Fernald Canada: Quebec Province [data not captured] C. H. Knowlton 1923-8-10
GH: 02100171 Juncus brevicaudatus (Engelmann) Fernald Canada: Quebec Province [data not captured] C. H. Knowlton 1923-7-23
NEBC: 01025946 Juncus brevicaudatus (Engelmann) Fernald USA: New Hampshire Plymouth: Plymouth C. H. Knowlton 1923-8-29
GH: 02100470 Juncus bufonius Linnaeus Canada: Quebec Province [data not captured] C. H. Knowlton 1923-7-21
GH: 02102244 Juncus dudleyi Wiegand Canada: Quebec Province [data not captured] C. H. Knowlton 1923-7-23
NEBC: 00859049 Juncus effusus solutus Fernald & Wiegand USA: Vermont Belvidere: Belvidere C. H. Knowlton 1923-8-5
NEBC: 00835865 Juncus effusus decipiens Buchenau USA: New Hampshire Plymouth: Plymouth C. H. Knowlton 1923-8-29
NEBC: 00835871 Juncus effusus decipiens Buchenau USA: Vermont Belvidere: Belvidere C. H. Knowlton 1923-8-5
GH: 02401300 Juncus filiformis Linnaeus Canada: Quebec Province [data not captured] C. H. Knowlton 1923-8-4
GH: 02401299 Juncus filiformis Linnaeus Canada: Quebec Province [data not captured] C. H. Knowlton 1923-8-10
GH: 02401297 Juncus filiformis Linnaeus Canada: Quebec Province [data not captured] C. H. Knowlton 1923-8-4
GH: 02401307 Juncus filiformis Linnaeus Canada: Quebec Province Sherbrooke: [data not captured] C. H. Knowlton 1923-7-20
NEBC: 00860037 Juncus filiformis Linnaeus USA: Vermont Mount Holly: Mount Holly C. H. Knowlton 1923-6-27
GH: 02400917 Juncus nodosus Linnaeus Canada: Quebec Province [data not captured] C. H. Knowlton 1923-7-21
GH: 02400910 Juncus nodosus Linnaeus Canada: Quebec Province [data not captured] C. H. Knowlton 1923-8-10
GH: 02399417 Juncus pelocarpus E. Meyer Canada: Quebec Province [data not captured] C. H. Knowlton 1923-8-10
GH: 02399780 Juncus pylaei Laharpe Canada: Quebec Province Sherbrooke: [data not captured] C. H. Knowlton 1923-7-20
GH: 02398859 Juncus tenuis Willdenow Canada: Quebec Province [data not captured] C. H. Knowlton 1923-7-20
NEBC: 00734184 Luzula acuminata Rafinesque USA: Vermont Morristown: Morristown C. H. Knowlton 1923-5-30
NEBC: 01150997 Luzula multiflora (Ehrhart) Lejeune USA: Vermont Morristown: Morristown C. H. Knowlton 1923-5-30
Lamiaceae
NEBC: 00656124 Clinopodium vulgare Linnaeus USA: Vermont Benson: Benson C. H. Knowlton 1923-6-27
NEBC: 00658676 Lycopus uniflorus Michaux USA: New Hampshire Plymouth: Plymouth C. H. Knowlton 1923-8-29
NEBC: 01018332 Mentha gentilis Linnaeus USA: Vermont Highgate: Highgate C. H. Knowlton 1923-8-10
NEBC: 00642091 Monarda fistulosa mollis (Linnaeus) Bentham USA: Vermont Barnet: Barnet C. H. Knowlton 1923-9-26
NEBC: 00645040 Trichostema dichotomum Linnaeus USA: New Hampshire Concord: Concord C. H. Knowlton 1923-8-27
Liliaceae
NEBC: 00673507 Lilium canadense Linnaeus USA: New Hampshire Plymouth: Plymouth C. H. Knowlton 1923-8-29
NEBC: 00817979 Maianthemum stellatum (Linnaeus) Link USA: New Hampshire Plymouth: Plymouth C. H. Knowlton 1923-8-29
NEBC: 01049065 Polygonatum pubescens (Willdenow) Pursh USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1923-6-28
NEBC: 01030908 Streptopus lanceolatus (Aiton) Reveal USA: New Hampshire Sunapee: Sunapee C. H. Knowlton 1923-5-19
NEBC: 01030950 Streptopus lanceolatus (Aiton) Reveal USA: Vermont Morristown: Morristown C. H. Knowlton 1923-5-30
NEBC: 00810204 Trillium erectum Linnaeus USA: New Hampshire Sunapee: Sunapee C. H. Knowlton 1923-5-18
NEBC: 00810265 Trillium erectum Linnaeus USA: Vermont Hartford: Hartford C. H. Knowlton 1923-5-18
NEBC: 00869577 Uvularia sessilifolia Linnaeus USA: New Hampshire Sunapee: Sunapee C. H. Knowlton 1923-5-18
NEBC: 00869885 Veratrum viride Aiton USA: Vermont Morristown: Morristown C. H. Knowlton 1923-5-30
Lobeliaceae
NEBC: 00691136 Lobelia kalmii Linnaeus USA: Vermont Isle La Motte: Isle La Motte C. H. Knowlton 1923-8-13
Lycopodiaceae
NEBC: 00647826 Dendrolycopodium dendroideum (Michaux) A. Haines USA: Vermont Belvidere: Belvidere C. H. Knowlton 1923-8-5
NEBC: 00214042 Diphasiastrum digitatum (Dillenius ex A. Braun) Holub USA: Vermont Belvidere: C. H. Knowlton 1923-8-5
NEBC: 00214690 Diphasiastrum sabinifolium (Willdenow) Holub USA: Vermont Belvidere: C. H. Knowlton 1923-8-5
NEBC: 00661355 Huperzia lucidula (Michaux) Trevisan USA: Vermont Belvidere: Belvidere C. H. Knowlton 1923-8-5
NEBC: 00733118 Huperzia selago (Linnaeus) Bernhardi ex Schrank & Martius USA: Vermont Belvidere: Belvidere C. H. Knowlton 1923-8-5
NEBC: 00690640 Lycopodium clavatum Linnaeus USA: Vermont Belvidere: Belvidere C. H. Knowlton 1923-8-5
NEBC: 00632246 Spinulum annotinum (Linnaeus) A. Haines USA: Vermont Belvidere: Belvidere C. H. Knowlton 1923-8-5
NEBC: 00632247 Spinulum annotinum (Linnaeus) A. Haines USA: Vermont Belvidere: Belvidere C. H. Knowlton 1923-8-5
Onagraceae
NEBC: 00816231 Oenothera parviflora Linnaeus USA: New Hampshire Plymouth: Plymouth C. H. Knowlton 1923-8-29
Orchidaceae
NEBC: 00689906 Calypso bulbosa (Linnaeus) Oakes USA: Vermont Saint Johnsbury: St. Johnsbury C. H. Knowlton 1923-5-24
GH: 01937921 Cypripedium parviflorum Salisbury Canada: Quebec Province Sherbrooke: Lake Park, Orford C. H. Knowlton 1923-7-22
NEBC: 01016324 Goodyera repens (Linnaeus) R. Brown USA: Vermont Saint Johnsbury: St. Johnsbury C. H. Knowlton 1923-5-23
AMES: 02028449 Goodyera tesselata Loddiges Canada: Quebec Province Sherbrooke: Lake Park, Orford C. H. Knowlton 1923-7-22
GH: 02028791 Malaxis unifolia Michaux Canada: Quebec Province Wolfe County, Dudswell C. H. Knowlton 1923-7-23
NEBC: 01062248 Platanthera clavellata (Michaux) Luer USA: Massachusetts Hingham: Hingham C. H. Knowlton 1923-8-26
AMES: 02045108 Platanthera flava herbiola (R. Brown) Luer Canada: Quebec Province shore of Lake Champlain, Philipsburg C. H. Knowlton 1923-8-10
AMES: 02045205 Platanthera grandiflora (Bigelow) Lindley Canada: Nova Scotia Parrsboro C. H. Knowlton 1923-8-1
AMES: 02045694 Platanthera hyperborea (Linnaeus) Lindley Canada: Quebec Province Eastern Townships, Wolfe County. Dudswell C. H. Knowlton 1923-7-23
AMES: 00181894 Platanthera obtusata (Banks ex Pursh) Lindley Canada: Quebec Province Wolfe, Dudswell C. H. Knowlton 1923-7-23
NEBC: 00485029 Platanthera psycodes (Linnaeus) Lindley USA: Vermont Eden: Eden C. H. Knowlton 1923-8-5
NEBC: 01063813 Spiranthes lucida (H. H. Eaton) Ames USA: Vermont Hubbardton: Hubbardton C. H. Knowlton 1923-6-29
Orobanchaceae
NEBC: 00630987 Melampyrum lineare Desrousseaux USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1923-6-28
Papaveraceae
NEBC: 00722127 Dicentra canadensis (Goldie) Walpers USA: Vermont Morristown: Morristown C. H. Knowlton 1923-5-30
NEBC: 00583946 Sanguinaria canadensis Linnaeus USA: Vermont Morristown: Morristown C. H. Knowlton 1923-5-30
Penthoraceae
NEBC: 01028466 Penthorum sedoides Linnaeus USA: New Hampshire Highgate C. H. Knowlton 1923-8-10
Phytolaccaceae
GH: 01681226 Phytolacca americana Linnaeus Canada: Quebec Province [data not captured] C. H. Knowlton 1923-8-10
Pinaceae
NEBC: 00230969 Picea mariana (Miller) Brittan, Sterns & Poggenburg USA: Vermont Belvidere: C. H. Knowlton 1923-8-5
Plantaginaceae
GH: 02212787 Chaenorhinum minus (Linnaeus) Lange Canada: Quebec Province [data not captured] C. H. Knowlton 1923-7-21
GH: 02212957 Chelone glabra Linnaeus Canada: Quebec Province [data not captured] C. H. Knowlton 1923-8-10
GH: 01999354 Gratiola aurea Muhlenberg Canada: Quebec Province [data not captured] C. H. Knowlton 1923-8-10
GH: 01999350 Gratiola aurea Muhlenberg Canada: Quebec Province [data not captured] C. H. Knowlton 1923-8-10
NEBC: 00650363 Penstemon digitalis Nuttall ex Sims USA: Vermont Benson: Benson C. H. Knowlton 1923-6-27
GH: 01803907 Plantago rugelii Decaisne Canada: Quebec Province [data not captured] C. H. Knowlton 1923-8-10
NEBC: 00707115 Veronica americana Schweinitz ex Bentham USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1923-6-28
GH: 01805383 Veronica arvensis Linnaeus Canada: Quebec Province [data not captured] C. H. Knowlton 1923-8-10
GH: 01805792 Veronica officinalis Linnaeus Canada: Quebec Province [data not captured] C. H. Knowlton 1923-8-10
NEBC: 00655504 Veronica officinalis Linnaeus USA: Vermont Morristown: Morristown C. H. Knowlton 1923-5-30
GH: 01811456 Veronica scutellata Linnaeus Canada: Quebec Province [data not captured] C. H. Knowlton 1923-7-20
GH: 01811442 Veronica scutellata Linnaeus Canada: Quebec Province [data not captured] C. H. Knowlton 1923-8-10
Poaceae
NEBC: 00689789 Ammophila breviligulata Fernald USA: Massachusetts Marshfield: Marshfield C. H. Knowlton 1923-8-25
NEBC: 00764069 Andropogon gerardi Vitman USA: New Hampshire Plymouth: Plymouth C. H. Knowlton 1923-8-29
NEBC: 01045793 Cinna arundinacea Linnaeus USA: New Hampshire Plymouth: Plymouth C. H. Knowlton 1923-8-29
NEBC: 01178185 Danthonia spicata (Linnaeus) P. Beauvois ex Roemer & Schultes USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1923-6-28
NEBC: 00768728 Dichanthelium acuminatum implicatum (Scribner) Freckmann & Lelong USA: Massachusetts Marshfield: Marshfield C. H. Knowlton 1923-8-25
NEBC: 00737575 Dichanthelium acuminatum implicatum (Scribner) Freckmann & Lelong USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1923-6-28
NEBC: 00764936 Dichanthelium commutatum ashei (Pearson ex Ashe) Freckmann & Lelong USA: Massachusetts Meriden C. H. Knowlton 1923-10-4
NEBC: 00853067 Dichanthelium linearifolium (Scribner) Gould USA: Vermont Benson: Benson C. H. Knowlton 1923-6-27
NEBC: 00875879 Dichanthelium xanthophysum (A. Gray) Gould USA: Vermont South Burlington: South Burlington C. H. Knowlton 1923-8-9
NEBC: 00865867 Elymus riparius Wiegand USA: Vermont Mount Holly: Mount Holly C. H. Knowlton 1923-8-14
NEBC: 00863443 Elymus virginicus Linnaeus USA: Vermont Cambridge: Cambridge C. H. Knowlton 1923-8-5
NEBC: 00817490 Elymus wiegandii Fernald USA: Vermont Mount Holly: Mount Holly C. H. Knowlton 1923-8-14
NEBC: 00817636 Leersia virginica Willdenow USA: New Hampshire Plymouth: Plymouth C. H. Knowlton 1923-8-29
NEBC: 00817651 Leersia virginica Willdenow USA: Vermont Cambridge: Cambridge C. H. Knowlton 1923-8-5
NEBC: 00606018 Phragmites australis (Cavanilles) Trinius ex Steudel USA: Massachusetts Marshfield: Marshfield C. H. Knowlton 1923-8-25
NEBC: 01150397 Poa palustris Linnaeus USA: Vermont Hubbardton: Hubbardton C. H. Knowlton 1923-6-28
Polygalaceae
NEBC: 00572374 Polygala paucifolia Willdenow USA: Vermont Benson: Benson C. H. Knowlton 1923-6-27
Polygonaceae
GH: 02347967 Antenoron virginianum (Linnaeus) Roberty & Vautier Canada: Quebec Province [data not captured] C. H. Knowlton 1923-8-3
GH: 02364272 Persicaria amphibia (Linnaeus) Delarbre Canada: Quebec Province [data not captured] C. H. Knowlton 1923-8-10
GH: 02364692 Persicaria coccinea (Muhlenberg ex Willdenow) Greene Canada: Quebec Province [data not captured] C. H. Knowlton 1923-8-10
NEBC: 00630366 Polygonum coccineum Muhlenberg ex Willdenow USA: Massachusetts Hingham: Hingham C. H. Knowlton 1923-8-26
NEBC: 00771087 Rumex longifolius de Candolle USA: Vermont Belvidere: Belvidere C. H. Knowlton 1923-8-5
GH: 02004482 Rumex verticillatus Linnaeus Canada: Quebec Province [data not captured] C. H. Knowlton 1923-8-10
Pontederiaceae
NEBC: 00864233 Pontederia cordata Linnaeus USA: Massachusetts Hingham: Hingham C. H. Knowlton 1923-8-26
Portulacaceae
NEBC: 00675545 Claytonia caroliniana Michaux USA: Vermont Morristown: Morristown C. H. Knowlton 1923-5-30
Primulaceae
NEBC: 00553378 Lysimachia hybrida Michaux USA: Vermont Highgate: Highgate C. H. Knowlton 1923-8-10
NEBC: 00572553 Lysimachia thyrsiflora Linnaeus USA: Vermont Hubbardton: Hubbardton C. H. Knowlton 1923-6-28
Ranunculaceae
NEBC: 01034343 Actaea rubra (Aiton) Willdenow USA: Vermont Morristown: Morristown C. H. Knowlton 1923-5-30
NEBC: 00572234 Anemone quinquefolia Linnaeus USA: Vermont Morristown: Morristown C. H. Knowlton 1923-5-30
NEBC: 00753749 Anemone virginiana Linnaeus USA: Vermont Benson: Benson C. H. Knowlton 1923-6-27
NEBC: 01013070 Caltha palustris Linnaeus USA: Vermont Morristown: Morristown C. H. Knowlton 1923-5-30
NEBC: 00553541 Coptis trifolia (Linnaeus) Salisbury USA: Vermont Hartford: Hartford C. H. Knowlton 1923-5-18
NEBC: 00831004 Ranunculus abortivus Linnaeus USA: Vermont Morristown: Morristown C. H. Knowlton 1923-5-30
NEBC: 01034810 Ranunculus flammula filiformis (Michaux) Hooker USA: Vermont Highgate: Highgate C. H. Knowlton 1923-8-10
NEBC: 00719165 Ranunculus recurvatus Poiret USA: Vermont Hubbardton: Hubbardton C. H. Knowlton 1923-6-28
NEBC: 00768838 Thalictrum venulosum confine (Fernald) B. Boivin USA: Vermont Isle La Motte: Isle La Motte C. H. Knowlton 1923-8-13
Rhamnaceae
NEBC: 00643621 Ceanothus americanus Linnaeus USA: New Hampshire Concord: Concord C. H. Knowlton 1923-8-27
Rosaceae
NEBC: 00649952 Agrimonia striata Michaux USA: Vermont Ludlow: Ludlow C. H. Knowlton 1923-8-14
NEBC: 00661054 Amelanchier arborea (F. Michaux) Fernald USA: Vermont Newport C. H. Knowlton 1923-5-24
NEBC: 00661261 Amelanchier bartramiana (Tausch) M. Roemer USA: New Hampshire Warren: Warren C. H. Knowlton 1923-5-22
NEBC: 00661562 Amelanchier bartramiana (Tausch) M. Roemer USA: Vermont Barton: Barton C. H. Knowlton 1923-5-24
NEBC: 00743865 Amelanchier laevis Wiegand USA: Vermont Cambridge: Cambridge C. H. Knowlton 1923-8-4
NEBC: 00743813 Amelanchier laevis Wiegand USA: New Hampshire Warren: Warren C. H. Knowlton 1923-5-23
NEBC: 00743855 Amelanchier laevis Wiegand USA: Vermont Barton: Barton C. H. Knowlton 1923-5-24
NEBC: 00673705 Amelanchier sanguinea (Pursh) de Candolle USA: New Hampshire Tamworth: Tamworth C. H. Knowlton 1923-7-18
NEBC: 00661907 Amelanchier stolonifera Wiegand USA: Vermont Newport C. H. Knowlton 1923-5-24
NEBC: 00661861 Amelanchier stolonifera Wiegand USA: New Hampshire Tamworth: Tamworth C. H. Knowlton 1923-7-18
NEBC: 00706047 Crataegus flabellata (Bosc ex Spach) K. Koch USA: Vermont Isle La Motte: Isle La Motte C. H. Knowlton 1923-8-13
NEBC: 00524092 Fragaria vesca americana Porter USA: Vermont Morristown: Morristown C. H. Knowlton 1923-5-30
NEBC: 00688886 Geum aleppicum strictum Fernald USA: Vermont Benson: Benson C. H. Knowlton 1923-6-27
NEBC: 00724385 Geum canadense Jacquin USA: Vermont Benson: Benson C. H. Knowlton 1923-6-27
NEBC: 00669575 Geum fragarioides (Michaux) Smedmark USA: Vermont Saint Johnsbury: St. Johnsbury C. H. Knowlton 1923-5-23
NEBC: 00669251 Prunus maritima Marshall USA: Massachusetts Harwich: Harwich C. H. Knowlton 1923-6-20
NEBC: 00740287 Prunus susquehanae Willdenow USA: New Hampshire Concord: Concord C. H. Knowlton 1923-8-27
NEBC: 00441505 Rosa palustris Marshall USA: Vermont Eden: Eden C. H. Knowlton 1923-8-5
GH: 01603607 Rubus canadensis Linnaeus Canada: Quebec Province Eastern Townships; Sherbrooke County; Lake P... C. H. Knowlton 1923-7-22
NEBC: 00659438 Spiraea latifolia (Aiton) Borkhausen USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1923-6-28
Rubiaceae
NEBC: 00650866 Galium aparine Linnaeus USA: Vermont Benson: Benson C. H. Knowlton 1923-6-27
GH: 02358492 Galium asprellum Michaux Canada: Quebec Province Sherbrooke: [data not captured] C. H. Knowlton 1923-7-20
GH: 02359631 Galium circaezans hypomalacum Fernald Canada: Quebec Province [data not captured] C. H. Knowlton 1923-8-10
NEBC: 00558406 Galium circaezans hypomalacum Fernald USA: Vermont Benson: Benson C. H. Knowlton 1923-6-27
NEBC: 00732017 Galium lanceolatum (Torrey) Torrey USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1923-6-28
NEBC: 00755077 Galium obtusum Bigelow USA: Massachusetts Hingham: Hingham C. H. Knowlton 1923-7-8
GH: 02138812 Galium palustre Linnaeus Canada: Quebec Province Sherbrooke: [data not captured] C. H. Knowlton 1923-7-22
GH: 02138851 Galium palustre Linnaeus Canada: Quebec Province [data not captured] C. H. Knowlton 1923-7-20
GH: 02139367 Galium tinctorium Linnaeus Canada: Quebec Province Sherbrooke: [data not captured] C. H. Knowlton 1923-7-22
GH: 02139364 Galium tinctorium Linnaeus Canada: Quebec Province [data not captured] C. H. Knowlton 1923-8-10
NEBC: 00866452 Galium tinctorium Linnaeus USA: Vermont Cambridge: Cambridge C. H. Knowlton 1923-8-5
NEBC: 00866498 Galium tinctorium Linnaeus USA: Massachusetts Hingham: Hingham C. H. Knowlton 1923-7-8
GH: 02140140 Galium triflorum Michaux Canada: Quebec Province Sherbrooke: [data not captured] C. H. Knowlton 1923-7-22
NEBC: 00650931 Mitchella repens Linnaeus USA: Vermont Morris C. H. Knowlton 1923-5-30
NEBC: 00650941 Mitchella repens Linnaeus USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1923-6-28
Salicaceae
NEBC: 00724914 Salix bebbiana Sargent USA: New Hampshire Sunapee: Sunapee C. H. Knowlton 1923-5-18
NEBC: 00724939 Salix bebbiana Sargent USA: Vermont Saint Johnsbury: St. Johnsbury C. H. Knowlton 1923-5-23
NEBC: 00724954 Salix bebbiana Sargent USA: Vermont Hartford: Hartford C. H. Knowlton 1923-5-18
NEBC: 00756600 Salix discolor Muhlenberg USA: Vermont Morristown: Morristown C. H. Knowlton 1923-5-30
NEBC: 00756609 Salix discolor Muhlenberg USA: Vermont Hartford: Hartford C. H. Knowlton 1923-5-18
NEBC: 00763013 Salix eriocephala Michaux USA: Vermont Saint Johnsbury: St. Johnsbury C. H. Knowlton 1923-5-23
NEBC: 00763019 Salix eriocephala Michaux USA: Vermont Morristown: Morristown C. H. Knowlton 1923-5-30
NEBC: 00763026 Salix eriocephala Michaux USA: Vermont Hartford: Hartford C. H. Knowlton 1923-5-18
NEBC: 00769199 Salix humilis Marshall USA: New Hampshire Concord: Concord C. H. Knowlton 1923-8-27
NEBC: 00758418 Salix lucida Muhlenberg USA: Vermont Saint Johnsbury: St. Johnsbury C. H. Knowlton 1923-5-27
NEBC: 00763556 Salix nigra Marshall USA: New Hampshire Plymouth: Plymouth C. H. Knowlton 1923-8-19
NEBC: 00641086 Salix sericea Marshall USA: Vermont Saint Johnsbury: St. Johnsbury C. H. Knowlton 1923-5-23
NEBC: 00641087 Salix sericea Marshall USA: Vermont Saint Johnsbury: St. Johnsbury C. H. Knowlton 1923-5-27
Santalaceae
NEBC: 00575319 Comandra umbellata (Linnaeus) Nuttall USA: New Hampshire Concord: Concord C. H. Knowlton 1923-8-27
NEBC: 00575408 Comandra umbellata (Linnaeus) Nuttall USA: Massachusetts Hingham: Hingham C. H. Knowlton 1923-6-10
Saxifragaceae
NEBC: 01008342 Chrysosplenium americanum Schweinitz ex Hooker USA: Vermont Morristown: Morristown C. H. Knowlton 1923-5-30
NEBC: 00730906 Ribes lacustre Poiret USA: Vermont Saint Johnsbury: St. Johnsbury C. H. Knowlton 1923-5-23
NEBC: 00665685 Ribes triste Pallas USA: Vermont Saint Johnsbury: St. Johnsbury C. H. Knowlton 1923-5-23
NEBC: 01038880 Tiarella cordifolia Linnaeus USA: Vermont Morristown: Morristown C. H. Knowlton 1923-5-30
Thelypteridaceae
GH: 00954856 Phegopteris connectilis (Michaux) Watt Canada: Quebec Province [data not captured] C. H. Knowlton 1923-7-21
Urticaceae
NEBC: 00658355 Boehmeria cylindrica (Linnaeus) Swartz USA: New Hampshire Plymouth: Plymouth C. H. Knowlton 1923-8-29
NEBC: 00658371 Boehmeria cylindrica (Linnaeus) Swartz USA: Vermont Cambridge: Cambridge C. H. Knowlton 1923-8-5
GH: 02170281 Laportea canadensis (Linnaeus) Weddell Canada: Quebec Province [data not captured] C. H. Knowlton 1923-8-10
NEBC: 00648056 Laportea canadensis (Linnaeus) Weddell USA: New Hampshire Plymouth: Plymouth C. H. Knowlton 1923-8-29
GH: 02170451 Parietaria pensylvanica Muhlenberg ex Willdenow Canada: Quebec Province [data not captured] C. H. Knowlton 1923-8-10
GH: 02170450 Parietaria pensylvanica Muhlenberg ex Willdenow Canada: Quebec Province [data not captured] C. H. Knowlton 1923-8-10
NEBC: 00643846 Parietaria pensylvanica Muhlenberg ex Willdenow USA: Vermont Benson: Benson C. H. Knowlton 1923-6-27
GH: 02170818 Pilea pumila (Linnaeus) A. Gray Canada: Quebec Province [data not captured] C. H. Knowlton 1923-8-10
GH: 02170817 Pilea pumila (Linnaeus) A. Gray Canada: Quebec Province [data not captured] C. H. Knowlton 1923-7-23
NEBC: 00705799 Pilea pumila (Linnaeus) A. Gray USA: Vermont Cambridge: Cambridge C. H. Knowlton 1923-8-5
GH: 02171157 Urtica dioica gracilis (Aiton) Selander Canada: Quebec Province [data not captured] C. H. Knowlton 1923-8-10
Violaceae
NEBC: 00565982 Viola blanda Willdenow USA: Vermont Saint Johnsbury: St. Johnsbury C. H. Knowlton 1923-5-23
NEBC: 00565986 Viola blanda Willdenow USA: Vermont Morristown: Morristown C. H. Knowlton 1923-5-30
NEBC: 00715816 Viola canadensis Linnaeus USA: Vermont Morristown: Morristown C. H. Knowlton 1923-5-30
NEBC: 00504104 Viola cucullata Aiton USA: Vermont Morristown: Morristown C. H. Knowlton 1923-5-30
NEBC: 00629683 Viola pallens (Banks ex Gingins) Brainerd USA: Vermont Hartford: Hartford C. H. Knowlton 1923-5-18
NEBC: 00687411 Viola pubescens Aiton USA: Vermont Morristown: Morristown C. H. Knowlton 1923-5-30
NEBC: 00687613 Viola renifolia A. Gray USA: Vermont Saint Johnsbury: St. Johnsbury C. H. Knowlton 1923-5-24
NEBC: 00687614 Viola renifolia A. Gray USA: Vermont Saint Johnsbury: St. Johnsbury C. H. Knowlton 1923-5-24
NEBC: 00687618 Viola renifolia A. Gray USA: Vermont Morristown: Morristown C. H. Knowlton 1923-5-30
NEBC: 00721397 Viola rostrata Pursh USA: Vermont Benson: Benson C. H. Knowlton 1923-6-27
NEBC: 00702774 Viola rotundifolia Michaux USA: Vermont Morristown: Morristown C. H. Knowlton 1923-5-30
NEBC: 00665535 Viola selkirkii Pursh USA: Vermont Saint Johnsbury: St. Johnsbury C. H. Knowlton 1923-5-23
NEBC: 00665544 Viola selkirkii Pursh USA: Vermont Morristown: Morristown C. H. Knowlton 1923-5-30
NEBC: 00640911 Viola sororia Willdenow USA: Maine Machias: Machias C. H. Knowlton 1923-8-17
NEBC: 00640913 Viola sororia Willdenow USA: Maine C. H. Knowlton 1923-8-18
NEBC: 00649209 Viola sororia Willdenow USA: New Hampshire Sunapee: Sunapee C. H. Knowlton 1923-5-18
NEBC: 00649260 Viola sororia Willdenow USA: Vermont Morristown: Morristown C. H. Knowlton 1923-5-30
Woodsiaceae
NEBC: 00676268 Woodsia ilvensis (Linnaeus) R. Brown USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1923-6-28