NEBC: 01079337 [bad data, blank import] USA: Maine Marshfield: Marshfield C. H. Knowlton 1916-8-2
Aceraceae NEBC: 00677222 Acer rubrum Linnaeus USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
Apiaceae NEBC: 01081157 Osmorhiza claytonii (Michaux) C. B. Clarke USA: Vermont Eden: Eden C. H. Knowlton 1916-7-18
NEBC: 01009522 Osmorhiza longistylis (Torrey) de Candolle USA: Vermont Eden: Eden C. H. Knowlton 1916-7-18
NEBC: 01009047 Panax trifolius Linnaeus USA: Massachusetts Holland: Holland C. H. Knowlton 1916-5-20
NEBC: 00566083 Zizia aurea (Linnaeus) W. D. J. Koch USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
Aquifoliaceae NEBC: 00773887 Ilex mucronata (Linnaeus) M. Powell, Savolainen & S. Andrews USA: Vermont Berkshire: Berkshire C. H. Knowlton 1916-7-15
NEBC: 00629988 Ilex mucronata (Linnaeus) M. Powell, Savolainen & S. Andrews USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 00713353 Ilex verticillata (Linnaeus) A. Gray USA: Maine Marshfield: Marshfield C. H. Knowlton 1916-7-30
Araceae NEBC: 00875062 Arisaema triphyllum stewardsonii (Britton) Huttleston USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 00764289 Symplocarpus foetidus (Linnaeus) Salisbury ex W. P. C. Barton USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
Araliaceae NEBC: 00448583 Aralia nudicaulis Linnaeus USA: Massachusetts Holland: Holland C. H. Knowlton 1916-5-20
Aristolochiaceae NEBC: 00642390 Asarum canadense Linnaeus USA: Vermont Woodstock: Woodstock C. H. Knowlton 1916-5-10
Asclepiadaceae NEBC: 00572679 Asclepias incarnata Linnaeus USA: Vermont Franklin: Franklin C. H. Knowlton 1916-7-16
NEBC: 00572680 Asclepias incarnata Linnaeus USA: Vermont Franklin: Franklin C. H. Knowlton 1916-7-16
NEBC: 01036481 Asclepias syriaca Linnaeus USA: Massachusetts Boston: Boston, Back Bay C. H. Knowlton 1916-9-5
Aspidiaceae NEBC: 00727403 Polystichum ée (Spenner) Fée USA: Vermont Eden: Eden C. H. Knowlton 1916-7-19
Aspleniaceae NEBC: 00701205 Asplenium trichomanes Linnaeus USA: Vermont Poultney: Poultney C. H. Knowlton 1916-5-27
Asteraceae NEBC: 00566732 Achillea millefolium Linnaeus USA: Maine Columbia: Columbia C. H. Knowlton 1916-8-4
NEBC: 00531110 Achillea millefolium Linnaeus USA: Massachusetts Blackstone: Blackstone C. H. Knowlton 1916-5-21
NEBC: 01066039 Anaphalis margaritacea (Linnaeus) Bentham & Hooker f. USA: Maine Columbia: Columbia C. H. Knowlton 1916-8-4
NEBC: 01007340 Antennaria howellii canadensis (Greene) Bayer USA: Massachusetts Blackstone: Blackstone C. H. Knowlton 1916-5-21
NEBC: 01007365 Antennaria howellii canadensis (Greene) Bayer USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 01065534 Antennaria howellii neodioica (Greene) Bayer USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1916-5-26
NEBC: 01065537 Antennaria howellii neodioica (Greene) Bayer USA: Vermont Poultney: Poultney C. H. Knowlton 1916-5-27
NEBC: 01065568 Antennaria howellii neodioica (Greene) Bayer USA: Vermont Sandgate: Sandgate C. H. Knowlton 1916-5-23
NEBC: 01007576 Antennaria howellii neodioica (Greene) Bayer USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 01007823 Antennaria neglecta Greene USA: Vermont Hartland: Hartland C. H. Knowlton 1916-5-9
NEBC: 01007847 Antennaria neglecta Greene USA: Vermont Sandgate: Sandgate C. H. Knowlton 1916-5-23
NEBC: 01007963 Antennaria neglecta Greene USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 01065913 Antennaria parlinii fallax (Greene) Bayer & Stebbins USA: Vermont Sandgate: Sandgate C. H. Knowlton 1916-5-23
NEBC: 01053741 Antennaria parlinii fallax (Greene) Bayer & Stebbins USA: Massachusetts Blackstone: Blackstone C. H. Knowlton 1916-5-21
NEBC: 01053477 Antennaria plantaginifolia (Linnaeus) Hooker USA: Massachusetts Blackstone: Blackstone C. H. Knowlton 1916-5-21
NEBC: 01053542 Antennaria plantaginifolia (Linnaeus) Hooker USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 01053543 Antennaria plantaginifolia (Linnaeus) Hooker USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 01053545 Antennaria plantaginifolia (Linnaeus) Hooker USA: Massachusetts Holland: Holland C. H. Knowlton 1916-5-20
NEBC: 01053546 Antennaria plantaginifolia (Linnaeus) Hooker USA: Massachusetts Holland: Holland C. H. Knowlton 1916-5-20
NEBC: 01008046 Bidens vulgata Greene USA: New Hampshire Plymouth: Plymouth C. H. Knowlton 1916-8-24
NEBC: 00587274 Centaurea jacea Linnaeus USA: Vermont Berkshire: Berkshire C. H. Knowlton 1916-7-16
NEBC: 01017776 Cirsium muticum Michaux USA: Vermont Eden: Eden C. H. Knowlton 1916-7-18
NEBC: 01047493 Cyanus segetum Hill USA: Massachusetts Plymouth: Plymouth C. H. Knowlton 1916-8-24
NEBC: 01019384 Doellingeria umbellata (Miller) Nees USA: Maine Trescott C. H. Knowlton 1916-8-1
NEBC: 01079402 Erigeron canadensis Linnaeus USA: Massachusetts Hingham: Hingham C. H. Knowlton 1916-9-24
NEBC: 01052580 Erigeron strigosus septentrionalis (Fernald & Wiegand) Fernald USA: Maine Columbia: Columbia C. H. Knowlton 1916-8-4
NEBC: 01034110 Eupatorium pilosum Walter USA: Massachusetts Hingham: Hingham C. H. Knowlton 1916-8-27
NEBC: 01052661 Euthamia graminifolia (Linnaeus) Nuttall USA: Maine Columbia: Columbia C. H. Knowlton 1916-8-4
NEBC: 01038519 Helianthus divaricatus Linnaeus USA: Massachusetts Hingham: Hingham C. H. Knowlton 1916-9-9
NEBC: 01038570 Helianthus divaricatus Linnaeus USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 01028889 Hieracium kalmii Linnaeus USA: Maine Columbia: Columbia C. H. Knowlton 1916-8-4
NEBC: 00587800 Hieracium piloselloides Villars USA: Vermont Berkshire: Berkshire C. H. Knowlton 1916-7-15
NEBC: 00833659 Hieracium scabrum Michaux USA: Maine Columbia: Columbia C. H. Knowlton 1916-8-4
NEBC: 01071636 Hieracium venosum Linnaeus USA: Massachusetts Blackstone: Blackstone C. H. Knowlton 1916-5-21
NEBC: 00833840 Lactuca biennis (Moench) Fernald USA: Maine Machias: Machias C. H. Knowlton 1916-7-31
NEBC: 00568855 Packera öve Á. Löve & D. Löve USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 01028419 Packera schweinitziana (Nutt.) W.A. Weber & Á. Löve USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1916-5-28
NEBC: 01023671 Pseudognaphalium obtusifolium (Linnaeus) Hilliard & B. L. Burtt USA: Massachusetts Boston: Boston, Back Bay C. H. Knowlton 1916-9-5
NEBC: 01023682 Pseudognaphalium obtusifolium (Linnaeus) Hilliard & B. L. Burtt USA: Massachusetts Hingham: Hingham C. H. Knowlton 1916-9-24
NEBC: 00578922 Silphium perfoliatum Linnaeus USA: Massachusetts Boston: Boston, Escaped from Fenway, Back Ba... C. H. Knowlton 1916-9-5
NEBC: 00553008 Solidago bicolor Linnaeus USA: Maine Columbia: Columbia C. H. Knowlton 1916-8-4
NEBC: 01077446 Solidago caesia Linnaeus USA: Massachusetts Hingham: Hingham C. H. Knowlton 1916-9-24
NEBC: 01055471 Solidago flexicaulis Linnaeus USA: Vermont Eden: Eden C. H. Knowlton 1916-7-18
NEBC: 01077709 Solidago macrophylla Pursh USA: Vermont Mount Morris C. H. Knowlton 1916-7-18
NEBC: 01056609 Solidago nemoralis Aiton USA: Maine Columbia: Columbia C. H. Knowlton 1916-8-4
NEBC: 01064240 Solidago puberula Nuttall USA: Maine Columbia: Columbia C. H. Knowlton 1916-8-4
NEBC: 01064247 Solidago puberula Nuttall USA: Maine Trescott C. H. Knowlton 1916-8-1
NEBC: 00484938 Solidago rugosa Miller USA: Maine Machias: Machias C. H. Knowlton 1916-8-8
NEBC: 01056902 Solidago uliginosa Nuttall USA: Maine Whiting: Whiting C. H. Knowlton 1916-8-1
NEBC: 01056912 Solidago uliginosa Nuttall USA: Vermont Eden: Eden C. H. Knowlton 1916-7-19
NEBC: 01063920 Solidago uliginosa Nuttall USA: Massachusetts Hingham: Hingham C. H. Knowlton 1916-9-24
NEBC: 00697262 Symphyotrichum lateriflorum (Linnaeus) Á. Löve & D. Löve USA: Massachusetts Scituate: Scituate C. H. Knowlton 1916-9-27
NEBC: 00697468 Symphyotrichum novi-belgii (Linnaeus) G. L. Nesom USA: New Hampshire Plymouth: Plymouth C. H. Knowlton 1916-8-24
NEBC: 01031287 Symphyotrichum novi-belgii (Linnaeus) G. L. Nesom USA: Massachusetts Hingham: Hingham C. H. Knowlton 1916-9-24
NEBC: 01014933 Symphyotrichum tradescantii (Linnaeus) G. L. Nesom USA: Maine Marshfield: Marshfield C. H. Knowlton 1916-8-2
NEBC: 00551024 Tussilago farfara Linnaeus USA: Vermont Sandgate: Sandgate C. H. Knowlton 1916-5-23
Athyriaceae NEBC: 00746594 Cystopteris tenuis (Michaux) Desvaux USA: Massachusetts Sturbridge: Sturbridge C. H. Knowlton 1916-5-20
Betulaceae NEBC: 00657970 Betula alleghaniensis Britton USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 00634507 Betula lenta Linnaeus USA: Massachusetts Sturbridge: Sturbridge C. H. Knowlton 1916-5-20
NEBC: 00634517 Betula lenta Linnaeus USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 00634518 Betula lenta Linnaeus USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 00627104 Betula papyrifera Marshall USA: Maine Columbia: Columbia C. H. Knowlton 1916-8-4
NEBC: 00634686 Betula papyrifera Marshall USA: Vermont Mount Norris C. H. Knowlton 1916-7-18
NEBC: 00627360 Betula populifolia Marshall USA: Maine Columbia: Columbia C. H. Knowlton 1916-8-4
NEBC: 00627475 Betula populifolia Marshall USA: Massachusetts Hingham: Hingham C. H. Knowlton 1916-5-14
NEBC: 00627554 Betula populifolia Marshall USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 00727163 Carpinus caroliniana virginiana (Marsh.) Furlow USA: Vermont Wells: Wells C. H. Knowlton 1916-5-27
NEBC: 00727181 Carpinus caroliniana virginiana (Marsh.) Furlow USA: Vermont Franklin: Franklin C. H. Knowlton 1916-7-16
NEBC: 00627985 Corylus americana Walter USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 00746010 Corylus cornuta Marshall USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
Brassicaceae NEBC: 00593293 Brassica nigra (Linnaeus) W. D. J. Koch USA: New Hampshire Plymouth: Plymouth C. H. Knowlton 1916-8-24
NEBC: 00617764 Erysimum cheiranthoides Linnaeus USA: Vermont Franklin: Franklin C. H. Knowlton 1916-7-16
NEBC: 00735971 Rorippa palustris (Linnaeus) Besser USA: New Hampshire Plymouth: Plymouth C. H. Knowlton 1916-8-24
Caesalpiniaceae NEBC: 00747178 Chamaecrista fasciculata (Michaux) Greene USA: Massachusetts Hingham: Hingham C. H. Knowlton 1916-8-20
NEBC: 00654346 Chamaecrista nictitans (Linnaeus) Moench USA: Massachusetts Hingham: Hingham C. H. Knowlton 1916-9-9
Campanulaceae NEBC: 00698385 Campanula rotundifolia Linnaeus USA: Maine Trescott C. H. Knowlton 1916-8-1
Caprifoliaceae NEBC: 00682019 Diervilla lonicera Miller USA: Maine Columbia: Columbia C. H. Knowlton 1916-8-4
NEBC: 00682244 Diervilla lonicera Miller USA: Massachusetts Holland: Holland C. H. Knowlton 1916-5-20
NEBC: 00682465 Lonicera canadensis Bartram ex Marsh. USA: Vermont Hartland: Hartland C. H. Knowlton 1916-5-9
NEBC: 00682559 Lonicera canadensis Bartram ex Marsh. USA: Massachusetts Holland: Holland C. H. Knowlton 1916-5-20
NEBC: 00682560 Lonicera canadensis Bartram ex Marsh. USA: Massachusetts Holland: Holland C. H. Knowlton 1916-5-20
NEBC: 00682644 Lonicera dioica Linnaeus USA: Vermont Arlington: Arlington C. H. Knowlton 1916-5-23
NEBC: 00682685 Lonicera dioica Linnaeus USA: Massachusetts Holland: Holland C. H. Knowlton 1916-5-20
NEBC: 00682843 Lonicera villosa (Michaux) Roemer & Schultes USA: Maine Columbia: Columbia C. H. Knowlton 1916-8-4
NEBC: 00687125 Lonicera villosa (Michaux) Roemer & Schultes USA: Massachusetts Sturbridge: Sturbridge C. H. Knowlton 1916-5-20
NEBC: 00713916 Lonicera villosa (Michaux) Roemer & Schultes USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 00687346 Sambucus racemosa Linnaeus USA: Massachusetts Sturbridge: Sturbridge C. H. Knowlton 1916-5-20
NEBC: 00702175 Viburnum acerifolium Linnaeus USA: Vermont Wells: Wells C. H. Knowlton 1916-5-27
NEBC: 00702288 Viburnum acerifolium Linnaeus USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 00687986 Viburnum lentago Linnaeus USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1916-5-28
NEBC: 00702568 Viburnum lentago Linnaeus USA: Massachusetts Holland: Holland C. H. Knowlton 1916-5-20
NEBC: 00611375 Viburnum nudum cassinoides (Linnaeus) Torrey & A. Gray USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 00685300 Viburnum opulus trilobum (Marsh.) Clausen USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1916-5-28
NEBC: 00702658 Viburnum rafinesqueanum Schultes USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1916-5-26
Caryophyllaceae NEBC: 00722704 Sagina nodosa (Linnaeus) Fenzl USA: Maine Roque Bluffs: Roque Bluffs C. H. Knowlton 1916-8-10
NEBC: 00693283 Spergularia marina (Linnaeus) Grisebach USA: Maine Roque Bluffs: Roque Bluffs C. H. Knowlton 1916-8-10
NEBC: 00693284 Spergularia marina (Linnaeus) Grisebach USA: Maine Whiting: Whiting C. H. Knowlton 1916-8-1
NEBC: 00693804 Stellaria borealis Bigelow USA: Vermont Eden: Eden C. H. Knowlton 1916-7-18
Celastraceae NEBC: 00295196 Celastrus scandens Linnaeus USA: Vermont Wells: C. H. Knowlton 1916-5-27
Chenopodiaceae NEBC: 00592131 Atriplex prostrata Boucher ex de Candolle USA: Maine Whiting: Whiting C. H. Knowlton 1916-8-1
Cistaceae NEBC: 00573610 Lechea intermedia Leggett ex Britton USA: Maine Columbia: Columbia C. H. Knowlton 1916-8-4
NEBC: 00757159 Lechea maritima Leggett ex Britton USA: New Hampshire Plymouth: Plymouth C. H. Knowlton 1916-8-24
NEBC: 00699846 Lechea maritima Leggett ex Britton USA: Massachusetts Hingham: Hingham C. H. Knowlton 1916-8-27
NEBC: 00757965 Lechea tenuifolia Michaux USA: Massachusetts Hingham: Hingham C. H. Knowlton 1916-9-24
Commelinaceae NEBC: 00757755 Lechea mucronata (do not use) Rafinesque USA: Massachusetts Hingham: Hingham C. H. Knowlton 1916-9-9
Convolvulaceae NEBC: 00714811 Cuscuta gronovii Willdenow ex Roemer & Schultes USA: Massachusetts Sandwich: Sandwich C. H. Knowlton 1916
Cornaceae NEBC: 00760659 Cornus canadensis Linnaeus USA: Maine Columbia: Columbia C. H. Knowlton 1916-8-4
NEBC: 00713038 Cornus canadensis Linnaeus USA: Vermont Brookfield: Brookfield C. H. Knowlton 1916-6-24
NEBC: 00573532 Cornus racemosa Lamarck USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
Crassulaceae NEBC: 00675063 Sedum rosea (Linnaeus) Scopoli USA: Maine Roque Bluffs: Roque Bluffs C. H. Knowlton 1916-8-10
Cyperaceae NEBC: 00214625 Carex annectens (E. P. Bicknell) E. P. Bicknell USA: Vermont Berkshire: C. H. Knowlton 1916-7-17
NEBC: 00221070 Carex arctata Boott USA: Vermont Eden: C. H. Knowlton 1916-7-18
NEBC: 00217205 Carex backii Boott USA: Vermont Fair Haven: C. H. Knowlton 1916-5-26
NEBC: 00217243 Carex baileyi Britton USA: Vermont Eden: C. H. Knowlton 1916-7-19
NEBC: 00219523 Carex brevior (Dewey) Mackenzie ex Lunell USA: Massachusetts Blackstone: C. H. Knowlton 1916-5-21
NEBC: 00218607 Carex brunnescens (Persoon) Poiret USA: Vermont Eden: C. H. Knowlton 1916-7-18
NEBC: 00222564 Carex communis communis USA: Massachusetts Sturbridge: C. H. Knowlton 1916-5-20
NEBC: 00222709 Carex comosa Boott USA: Maine Fayette: C. H. Knowlton 1916-8-13
NEBC: 00229127 Carex debilis rudgei L. H. Bailey USA: Vermont Eden: C. H. Knowlton 1916-7-18
NEBC: 00230046 Carex disperma Dewey USA: Vermont Berkshire: C. H. Knowlton 1916-7-15
NEBC: 00230065 Carex disperma Dewey USA: Vermont Fair Haven: C. H. Knowlton 1916-5-28
NEBC: 00241040 Carex folliculata Linnaeus USA: Maine Machias: C. H. Knowlton 1916-8-8
NEBC: 00219523 Carex leporina Linnaeus USA: Massachusetts Blackstone: C. H. Knowlton 1916-5-21
NEBC: 01030758 Carex lucorum Willdenow USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1916-5-27
NEBC: 00869046 Carex lucorum Willdenow USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 00869048 Carex lucorum Willdenow USA: Massachusetts Holland: Holland C. H. Knowlton 1916-5-20
NEBC: 00895073 Carex magellanica én (Wahlenberg) Hultén USA: Vermont Eden: Eden C. H. Knowlton 1916-7-19
NEBC: 00895140 Carex merritt-fernaldii Mackenzie USA: Maine Columbia: Columbia C. H. Knowlton 1916-8-4
NEBC: 00854488 Carex pedunculata Muhlenberg ex Willdenow USA: Massachusetts Sturbridge: Sturbridge C. H. Knowlton 1916-5-20
NEBC: 01029088 Carex prasina Wahlenberg USA: Vermont Eden: Eden C. H. Knowlton 1916-7-18
NEBC: 01620039 Carex prasina Wahlenberg USA: Vermont Sandgate: Lagoon Pond C. H. Knowlton 1916-5-23
NEBC: 01161728 Carex projecta Mackenzie USA: Maine Machias: Machias C. H. Knowlton 1916-7-31
NEBC: 00219523 Carex sp. USA: Massachusetts Blackstone: C. H. Knowlton 1916-5-21
NEBC: 00766518 Carex tonsa rugosperma (Mackenzie) Crins USA: Vermont Poultney: Poultney C. H. Knowlton 1916-5-27
NEBC: 01059486 Carex tonsa rugosperma (Mackenzie) Crins USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 01059762 Carex tribuloides Wahlenberg USA: Vermont Eden: Eden C. H. Knowlton 1916-7-17
NEBC: 00260351 Carex trisperma Dewey USA: Vermont Berkshire: Berkshire C. H. Knowlton 1916-7-15
NEBC: 01060763 Carex tuckermanii Dewey USA: Vermont Berkshire: Berkshire C. H. Knowlton 1916-7-15
NEBC: 01058204 Carex vesicaria Linnaeus USA: Vermont Franklin: Franklin C. H. Knowlton 1916-7-16
NEBC: 01061405 Cyperus grayi Torrey USA: Massachusetts Sandwich: Sandwich C. H. Knowlton 1916-9-15
NEBC: 01042989 Cyperus odoratus Linnaeus USA: Massachusetts Boston: Boston, along Fens C. H. Knowlton 1916-9-5
NEBC: 00672338 Dulichium arundinaceum (Linnaeus) Britton USA: Maine Marshfield: Marshfield C. H. Knowlton 1916-8-2
NEBC: 00672202 Eleocharis palustris (Linnaeus) Roemer & Schultes USA: Vermont Franklin: Franklin C. H. Knowlton 1916-7-16
NEBC: 01060318 Eriophorum angustifolium Honckeny USA: Maine Machias: Machias C. H. Knowlton 1916-7-31
NEBC: 01060327 Eriophorum angustifolium Honckeny USA: Maine Whiting: Whiting C. H. Knowlton 1916-8-1
NEBC: 01060373 Eriophorum gracile W. D. J. Koch ex Roth USA: Vermont Eden: Eden C. H. Knowlton 1916-7-18
NEBC: 01060650 Eriophorum tenellum Nuttall USA: Vermont Berkshire: Berkshire C. H. Knowlton 1916-7-15
NEBC: 00766802 Eriophorum vaginatum Linnaeus USA: Vermont Berkshire: Berkshire C. H. Knowlton 1916-7-15
NEBC: 01043101 Eriophorum viridicarinatum (Engelmann) Fernald USA: Vermont Eden: Eden C. H. Knowlton 1916-7-19
NEBC: 01042061 Eriophorum viridicarinatum (Engelmann) Fernald USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1916-5-27
NEBC: 00892822 Rhynchospora alba (Linnaeus) Vahl USA: Vermont Berkshire: Berkshire C. H. Knowlton 1916-7-15
NEBC: 00874001 Rhynchospora capitellata (Michaux) Vahl USA: Maine Columbia: Columbia C. H. Knowlton 1916-8-4
NEBC: 00894434 Scirpus atrocinctus Fernald USA: Maine Marshfield: Marshfield C. H. Knowlton 1916-8-2
NEBC: 00808032 Scirpus maritimus ük. (A. Nelson) Kükenthal USA: Maine Whiting: Whiting C. H. Knowlton 1916-8-1
NEBC: 01029258 Scirpus verecundus Fernald USA: Massachusetts Holland: Holland C. H. Knowlton 1916-5-20
Dennstaedtiaceae NEBC: 00677947 Dennstaedtia punctilobula (Michaux) T. Moore USA: Maine Marshfield: Marshfield C. H. Knowlton 1916-8-2
Dryopteridaceae NEBC: 00708694 Dryopteris campyloptera (Kunze) Clarkson USA: Vermont Eden: Eden C. H. Knowlton 1916-7-18
NEBC: 00708809 Dryopteris carthusiana (Villars) H. P. Fuchs USA: Maine Whiting: Whiting C. H. Knowlton 1916-8-1
NEBC: 00657781 Dryopteris marginalis (Linnaeus) A. Gray USA: Massachusetts Holland: Holland C. H. Knowlton 1916-5-20
Equisetaceae NEBC: 00706439 Equisetum scirpoides Michaux USA: Vermont Eden: Eden C. H. Knowlton 1916-7-18
NEBC: 00706453 Equisetum scirpoides Michaux USA: Vermont Hartland: Hartland C. H. Knowlton 1916-5-9
Ericaceae NEBC: 00517900 Epigaea repens Linnaeus USA: Massachusetts Sturbridge: Sturbridge C. H. Knowlton 1916-5-20
NEBC: 00448098 Gaultheria procumbens Linnaeus USA: Maine Marshfield: Marshfield C. H. Knowlton 1916-7-30
NEBC: 00448285 Gaultheria procumbens Linnaeus USA: Massachusetts Sturbridge: Sturbridge C. H. Knowlton 1916-5-20
NEBC: 00448316 Gaultheria procumbens Linnaeus USA: Massachusetts Holland: Holland C. H. Knowlton 1916-5-20
NEBC: 00484531 Kalmia angustifolia Linnaeus USA: Maine Columbia: Columbia C. H. Knowlton 1916-8-4
NEBC: 00484828 Kalmia angustifolia Linnaeus USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916
NEBC: 00463024 Vaccinium angustifolium Aiton USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 00461493 Vaccinium angustifolium Aiton USA: Maine Columbia: Columbia C. H. Knowlton 1916-8-4
NEBC: 00519798 Vaccinium corymbosum Linnaeus USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 00519150 Vaccinium corymbosum Linnaeus USA: Maine Columbia: Columbia C. H. Knowlton 1916-8-2
NEBC: 01075571 Vaccinium macrocarpon Aiton USA: Vermont Berkshire: Berkshire C. H. Knowlton 1916-7-15
NEBC: 00517160 Vaccinium pallidum Aiton USA: Massachusetts Holland: Holland C. H. Knowlton 1916-5-20
Eriocaulaceae NEBC: 00853129 Eriocaulon aquaticum (Hill) Druce USA: Maine Marshfield: Marshfield C. H. Knowlton 1916-8-2
Euphorbiaceae NEBC: 00578152 Euphorbia cyparissias Linnaeus USA: Massachusetts Sturbridge: Sturbridge C. H. Knowlton 1916-5-20
Fabaceae NEBC: 00735680 Lathyrus japonicus pellitus Fernald USA: Maine Whiting: Whiting C. H. Knowlton 1916-8-1
NEBC: 00643286 Lathyrus palustris Linnaeus USA: Maine Roque Bluffs: Roque Bluffs C. H. Knowlton 1916-7-31
NEBC: 00643287 Lathyrus palustris Linnaeus USA: Maine Roque Bluffs: Roque Bluffs C. H. Knowlton 1916-7-31
NEBC: 00739801 Lespedeza capitata Michaux USA: Massachusetts Hingham: Hingham C. H. Knowlton 1916-8-27
NEBC: 00711664 Lespedeza capitata Michaux USA: Massachusetts Hingham: Hingham C. H. Knowlton 1916-8-27
Fagaceae NEBC: 00746331 Fagus grandifolia Ehrhart USA: Vermont Eden: Eden C. H. Knowlton 1916-7-18
NEBC: 00662100 Quercus alba Linnaeus USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1916-5-27
NEBC: 00662788 Quercus montana Willdenow USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1916-5-27
NEBC: 00716073 Quercus rubra ambigua (A. Gray) Fernald USA: Maine Columbia: Columbia C. H. Knowlton 1916-8-4
Gentianaceae NEBC: 00726657 Gentiana clausa Rafinesque USA: Massachusetts Sturbridge: Sturbridge C. H. Knowlton 1916-5-20
Hamamelidaceae NEBC: 00649005 Hamamelis virginiana Linnaeus USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
Hypericaceae NEBC: 00774004 Hypericum boreale (Britton) E. P. Bicknell USA: Vermont Eden: Eden C. H. Knowlton 1916-7-18
Iridaceae NEBC: 00869973 Iris hookeri Penny ex Loudon USA: Maine Trescott C. H. Knowlton 1916-8-1
NEBC: 01044894 Sisyrinchium montanum crebrum Fernald USA: Maine Columbia: Columbia C. H. Knowlton 1916-8-4
Isoetaceae NEBC: 00744411 Isoetes echinospora Durieu USA: Vermont Eden: Eden C. H. Knowlton 1916-7-20
Juncaceae NEBC: 01025793 Juncus brevicaudatus (Engelmann) Fernald USA: Maine Columbia: Columbia C. H. Knowlton 1916-8-4
NEBC: 01025798 Juncus brevicaudatus (Engelmann) Fernald USA: Maine Marshfield: Marshfield C. H. Knowlton 1916-8-2
NEBC: 01174702 Juncus bufonius Linnaeus USA: Maine Whiting: Whiting C. H. Knowlton 1916-8-1
NEBC: 01178899 Juncus dudleyi Wiegand USA: Vermont Franklin: Franklin C. H. Knowlton 1916-7-16
NEBC: 00860025 Juncus filiformis Linnaeus USA: Vermont Belvidere: Belvidere C. H. Knowlton 1916-7-17
NEBC: 01045868 Juncus pelocarpus E. Meyer USA: Maine Columbia: Columbia C. H. Knowlton 1916-8-4
NEBC: 01150023 Juncus tenuis Willdenow USA: Maine Columbia: Columbia C. H. Knowlton 1916-8-4
NEBC: 01150187 Juncus tenuis Willdenow USA: Vermont Berkshire: Berkshire C. H. Knowlton 1916-7-17
NEBC: 01150188 Juncus tenuis Willdenow USA: Vermont Franklin: Franklin C. H. Knowlton 1916-7-16
NEBC: 01150197 Juncus tenuis Willdenow USA: Vermont Eden: Eden C. H. Knowlton 1916-7-18
NEBC: 01150198 Juncus tenuis Willdenow USA: Vermont Eden: Eden C. H. Knowlton 1916-7-18
NEBC: 00880250 Luzula multiflora (Ehrhart) Lejeune USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
Juncaginaceae NEBC: 00684022 Triglochin maritima Linnaeus USA: Maine Whiting: Whiting C. H. Knowlton 1916-8-1
Lamiaceae NEBC: 00505812 Hedeoma pulegioides (Linnaeus) Persoon USA: Vermont Berkshire: Berkshire C. H. Knowlton 1916-7-17
NEBC: 00696555 Lycopus americanus Muhlenberg ex W. P. C. Barton USA: Maine Machias: Machias C. H. Knowlton 1916-7-31
NEBC: 01018153 Mentha canadensis Linnaeus USA: New Hampshire Plymouth: Plymouth C. H. Knowlton 1916-8-24
NEBC: 00751846 Prunella vulgaris lanceolata (W. P. C. Barton) Fernald USA: Massachusetts Hingham: Hingham C. H. Knowlton 1916-9-4
NEBC: 00648637 Pycnanthemum tenuifolium Schrader USA: Massachusetts Hingham: Hingham C. H. Knowlton 1916-9-4
NEBC: 00686180 Scutellaria galericulata Linnaeus USA: Vermont Franklin: Franklin C. H. Knowlton 1916-7-16
NEBC: 00612385 Thymus pulegioides Linnaeus USA: Vermont Berkshire: Berkshire C. H. Knowlton 1916-7-16
Lauraceae NEBC: 00505038 Lindera benzoin (Linnaeus) Blume USA: Massachusetts Sturbridge: Sturbridge C. H. Knowlton 1916-5-20
Liliaceae NEBC: 00560517 Clintonia borealis (Aiton) Rafinesque USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1916-5-28
NEBC: 00560625 Clintonia borealis (Aiton) Rafinesque USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 00505478 Maianthemum canadense Desfontaines USA: Vermont Wells: Wells C. H. Knowlton 1916-5-27
NEBC: 00505637 Maianthemum canadense Desfontaines USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 00868383 Maianthemum trifolium (Linnaeus) Sloboda USA: Vermont Berkshire: Berkshire C. H. Knowlton 1916-7-15
NEBC: 00868395 Maianthemum trifolium (Linnaeus) Sloboda USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1916-5-28
NEBC: 01049068 Polygonatum pubescens (Willdenow) Pursh USA: Vermont Wells: Wells C. H. Knowlton 1916-5-27
NEBC: 00810064 Streptopus amplexifolius (Linnaeus) de Candolle USA: Vermont Eden: Eden C. H. Knowlton 1916-7-17
NEBC: 00573032 Trillium cernuum macranthum A. J. Eames & Wiegand USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1916-5-28
NEBC: 00869343 Trillium erectum Linnaeus USA: Massachusetts Sturbridge: Sturbridge C. H. Knowlton 1916-5-20
NEBC: 00810561 Trillium undulatum Willdenow USA: Vermont Montpelier: Montpelier C. H. Knowlton 1916-5-11
NEBC: 00810572 Trillium undulatum Willdenow USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1916-5-28
NEBC: 00810720 Uvularia grandiflora Smith USA: Vermont Arlington: Arlington C. H. Knowlton 1916-5-23
NEBC: 00810719 Uvularia grandiflora Smith USA: Vermont Arlington: Arlington C. H. Knowlton 1916-5-23
NEBC: 00810766 Uvularia perfoliata Linnaeus USA: Vermont Poultney: Poultney C. H. Knowlton 1916-5-27
NEBC: 00810859 Uvularia perfoliata Linnaeus USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 00810862 Uvularia perfoliata Linnaeus USA: Massachusetts Holland: Holland C. H. Knowlton 1916-5-20
NEBC: 00869634 Uvularia sessilifolia Linnaeus USA: Vermont Montpelier: Montpelier C. H. Knowlton 1916-5-11
NEBC: 00869784 Uvularia sessilifolia Linnaeus USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 00869933 Veratrum viride Aiton USA: Massachusetts Holland: Holland C. H. Knowlton 1916-5-20
Lobeliaceae NEBC: 00820837 Lobelia dortmanna Linnaeus USA: Maine Columbia: Columbia C. H. Knowlton 1916-8-4
Lycopodiaceae NEBC: 00647849 Dendrolycopodium dendroideum (Michaux) A. Haines USA: Massachusetts Holland: Holland C. H. Knowlton 1916-5-20
NEBC: 00740093 Dendrolycopodium hickeyi (W. H. Wagner, Beitel & R. C. Moran) A. Haines USA: Massachusetts Blackstone: Blackstone C. H. Knowlton 1916-5-21
NEBC: 00214882 Diphasiastrum tristachyum (Pursh) Holub USA: Maine Columbia: C. H. Knowlton 1916-8-4
Oleaceae NEBC: 00593742 Fraxinus americana Linnaeus USA: Vermont Berkshire: Berkshire C. H. Knowlton 1916-7-17
NEBC: 00593606 Syringa vulgaris Linnaeus USA: Massachusetts Holland: Holland C. H. Knowlton 1916-5-20
Onagraceae NEBC: 01074613 Epilobium ciliatum Rafinesque USA: Maine Columbia: Columbia C. H. Knowlton 1916-8-4
NEBC: 01057564 Epilobium leptophyllum Rafinesque USA: Maine Columbia: Columbia C. H. Knowlton 1916-8-4
NEBC: 01057855 Epilobium strictum Muhlenberg USA: Vermont Berkshire: Berkshire C. H. Knowlton 1916-7-15
NEBC: 00816181 Oenothera parviflora Linnaeus USA: Maine Roque Bluffs: Roque Bluffs C. H. Knowlton 1916-7-31
Ophioglossaceae NEBC: 00711397 Botrychium lanceolatum angustisegmentum (Pease & A. H. Moore) R. T. Clausen USA: Maine Mount Bigelow C. H. Knowlton 1916-7-28
NEBC: 00739442 Botrychium matricariifolium A. Brown USA: Massachusetts Sturbridge: Sturbridge C. H. Knowlton 1916-5-20
NEBC: 00739454 Botrychium matricariifolium A. Brown USA: Massachusetts Sturbridge: Sturbridge C. H. Knowlton 1916-5-20
NEBC: 00690367 Botrychium virginianum (Linnaeus) Swartz USA: Massachusetts Sturbridge: Sturbridge C. H. Knowlton 1916-5-20
Orchidaceae NEBC: 00463768 Calopogon tuberosus (Linnaeus) Britton, Stearn & Poggenburg USA: Vermont Berkshire: Berkshire C. H. Knowlton 1916-7-15
NEBC: 01021056 Corallorhiza trifida Châtelain USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1916-5-28
NEBC: 00728365 Cypripedium reginae Walter USA: Vermont Eden: Eden C. H. Knowlton 1916-7-19
NEBC: 00728479 Galearis spectabilis (Linnaeus) Rafinesque USA: Vermont Poultney: Poultney C. H. Knowlton 1916-5-27
NEBC: 01021230 Goodyera pubescens (Willdenow) R. Brown USA: Massachusetts Holland: Holland C. H. Knowlton 1916-5-20
NEBC: 01016331 Goodyera repens (Linnaeus) R. Brown USA: Vermont Eden: Eden C. H. Knowlton 1916-7-19
NEBC: 01016818 Liparis loeselii (Linnaeus) Richard USA: Vermont Franklin: Franklin C. H. Knowlton 1916-7-16
NEBC: 01021867 Listera convallarioides (Swartz) Nuttall ex Elliott USA: Vermont Eden: Eden C. H. Knowlton 1916-7-19
NEBC: 01021934 Malaxis unifolia Michaux USA: Maine Columbia: Columbia C. H. Knowlton 1916-8-4
NEBC: 01021942 Malaxis unifolia Michaux USA: Maine Marshfield: Marshfield C. H. Knowlton 1916-7-30
NEBC: 01062652 Platanthera dilatata dilatata USA: Vermont Eden: Eden C. H. Knowlton 1916-7-18
NEBC: 00462365 Platanthera grandiflora (Bigelow) Lindley USA: Vermont Belvidere: Belvidere C. H. Knowlton 1916-7-7
NEBC: 01052991 Platanthera macrophylla (Goldie) Lindley USA: Vermont Berkshire: Berkshire C. H. Knowlton 1916-7-15
NEBC: 01077870 Platanthera obtusata (Banks ex Pursh) Lindley USA: Vermont Eden: Eden C. H. Knowlton 1916-7-19
NEBC: 01056295 Platanthera orbiculata (Pursh) Lindley USA: Vermont Eden: Eden C. H. Knowlton 1916-7-18
NEBC: 00569745 Pogonia ophioglossoides (Linnaeus) Ker Gawler USA: Vermont Berkshire: Berkshire C. H. Knowlton 1916-7-15
NEBC: 01063024 Spiranthes lacera (Rafinesque) Rafinesque USA: Maine Marshfield: Marshfield C. H. Knowlton 1916-7-30
Orobanchaceae NEBC: 00664039 Agalinis tenuifolia (Vahl) Rafinesque USA: Massachusetts Hingham: Hingham C. H. Knowlton 1916-9-9
NEBC: 00502143 Pedicularis canadensis praeclara A. H. Moore USA: Massachusetts Sturbridge: Sturbridge C. H. Knowlton 1916-5-20
NEBC: 00679567 Rhinanthus minor Linnaeus USA: Maine Roque Bluffs: Roque Bluffs C. H. Knowlton 1916-7-31
Osmundaceae NEBC: 00639784 Osmunda claytoniana Linnaeus USA: Massachusetts Sturbridge: Sturbridge C. H. Knowlton 1916-5-20
Oxalidaceae NEBC: 01028711 Oxalis dillenii Jacquin USA: Massachusetts Hingham: Hingham C. H. Knowlton 1916-7-8
NEBC: 01071274 Oxalis montana Rafinesque USA: Vermont Eden: Eden C. H. Knowlton 1916-7-19
NEBC: 00833736 Oxalis stricta Linnaeus USA: New Hampshire Plymouth: Plymouth C. H. Knowlton 1916-8-24
Papaveraceae NEBC: 00722047 Corydalis sempervirens (Linnaeus) Persoon USA: Vermont Wells: Wells C. H. Knowlton 1916-5-27
NEBC: 00583998 Sanguinaria canadensis Linnaeus USA: Massachusetts Sturbridge: Sturbridge C. H. Knowlton 1916-5-20
Pinaceae NEBC: 00629402 Pinus strobus Linnaeus USA: Maine Columbia: Columbia C. H. Knowlton 1916-8-4
Plantaginaceae NEBC: 00736534 Chelone glabra Linnaeus USA: Maine Machias: Machias C. H. Knowlton 1916-7-31
NEBC: 00736719 Chelone glabra Linnaeus USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 00650359 Penstemon digitalis Nuttall ex Sims USA: Vermont Eden: Eden C. H. Knowlton 1916-7-19
NEBC: 00656828 Veronica officinalis Linnaeus USA: Massachusetts Sturbridge: Sturbridge C. H. Knowlton 1916-5-20
NEBC: 00656947 Veronica persica Poiret USA: Massachusetts Hingham: Hingham C. H. Knowlton 1916-5-14
Poaceae NEBC: 00622728 Anthoxanthum odoratum Linnaeus USA: Massachusetts Holland: Holland C. H. Knowlton 1916-5-20
NEBC: 01045319 Brachyelytrum aristosum (Michaux) P. Beauvois ex Branner & Coville USA: Massachusetts Holland: Holland C. H. Knowlton 1916-5-20
NEBC: 00868045 Bromus ciliatus Linnaeus USA: Maine Marshfield: Marshfield C. H. Knowlton 1916-7-30
NEBC: 00865606 Bromus ramosus Hudson USA: Vermont Eden: Eden C. H. Knowlton 1916-7-18
NEBC: 01045397 Calamagrostis canadensis (Michaux) P. Beauvois USA: Maine Machias: Machias C. H. Knowlton 1916-7-31
NEBC: 01174916 Danthonia compressa Austin USA: Vermont Eden: Eden C. H. Knowlton 1916-7-21
NEBC: 00737199 Dichanthelium acuminatum fasciculatum (Torrey) Freckmann & Lelong USA: Maine Marshfield: Marshfield C. H. Knowlton 1916-8-2
NEBC: 00768767 Dichanthelium acuminatum implicatum (Scribner) Freckmann & Lelong USA: Massachusetts Barnstable Town C. H. Knowlton 1916-9-16
NEBC: 00768423 Dichanthelium acuminatum lindheimeri (Nash) Freckmann & Lelong USA: New Hampshire Plymouth: Plymouth C. H. Knowlton 1916-8-24
NEBC: 00768442 Dichanthelium acuminatum lindheimeri (Nash) Freckmann & Lelong USA: Vermont Berkshire: Berkshire C. H. Knowlton 1916-7-17
NEBC: 00764711 Dichanthelium clandestinum (Linnaeus) Gould USA: New Hampshire Plymouth: Plymouth C. H. Knowlton 1916-8-24
NEBC: 00875630 Dichanthelium sphaerocarpon (Elliott) Gould USA: Massachusetts Barnstable Town C. H. Knowlton 1916-7-9
NEBC: 00868124 Elymus canadensis Linnaeus USA: Massachusetts Plymouth: Plymouth C. H. Knowlton 1916-8-24
NEBC: 00613626 Festuca ovina Linnaeus USA: Massachusetts Blackstone: Blackstone C. H. Knowlton 1916-5-21
NEBC: 00860513 Festuca subverticillata (Persoon) E. B. Alexeev USA: Vermont Berkshire: Berkshire C. H. Knowlton 1916-7-17
NEBC: 00853880 Muhlenbergia frondosa (Poiret) Fernald USA: New Hampshire Plymouth: Plymouth C. H. Knowlton 1916-8-24
NEBC: 00864633 Muhlenbergia glomerata (Willdenow) Trinius USA: Maine Columbia: Columbia C. H. Knowlton 1916-8-4
NEBC: 01150711 Oryzopsis asperifolia Michaux USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 00611808 Phalaris arundinacea Linnaeus USA: Vermont Franklin: Franklin C. H. Knowlton 1916-7-16
NEBC: 01150381 Poa palustris Linnaeus USA: Vermont Eden: Eden C. H. Knowlton 1916-7-18
NEBC: 00595894 Puccinellia distans (Jacquin) Parlatore USA: Massachusetts Boston: Boston C. H. Knowlton 1916-9-5
NEBC: 01150567 Puccinellia pumila (Vasey) Hitchcock USA: Maine Whiting: Whiting C. H. Knowlton 1916-8-1
NEBC: 01148860 Schizachne purpurascens (Torrey) Swallen USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1916-5-27
NEBC: 00855660 Setaria élen (Poiret) Kerguélen USA: Massachusetts Sandwich: Sandwich C. H. Knowlton 1916-9-15
NEBC: 01174197 Spartina alterniflora Loiseleur-Deslongchamps USA: Maine Whiting: Whiting C. H. Knowlton 1916-8-1
NEBC: 01182325 Torreyochloa pallida fernaldii (Hitchc.) Dore ex Koyama & Kawano USA: Vermont Berkshire: Berkshire C. H. Knowlton 1916-7-15
Polygalaceae NEBC: 00572361 Polygala paucifolia Willdenow USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1916-5-28
NEBC: 00558248 Polygala paucifolia Willdenow USA: Massachusetts Holland: Holland C. H. Knowlton 1916-5-20
Polygonaceae NEBC: 00642543 Polygonella articulata (Linnaeus) Meisner USA: New Hampshire Plymouth: Plymouth C. H. Knowlton 1916-8-24
NEBC: 00762076 Polygonella articulata (Linnaeus) Meisner USA: Massachusetts Hingham: Hingham C. H. Knowlton 1916-9-9
NEBC: 00630379 Polygonum coccineum Muhlenberg ex Willdenow USA: Massachusetts Barnstable Town C. H. Knowlton 1916-7-9
NEBC: 00751408 Polygonum convolvulus Linnaeus USA: Maine Machias: Machias C. H. Knowlton 1916-7-31
NEBC: 00552304 Polygonum pensylvanicum Linnaeus USA: Massachusetts Plymouth: Plymouth C. H. Knowlton 1916-8-24
NEBC: 00501884 Rumex acetosella Linnaeus USA: Massachusetts Blackstone: Blackstone C. H. Knowlton 1916-5-21
NEBC: 00749979 Rumex longifolius de Candolle USA: New Hampshire Berkshire C. H. Knowlton 1916-7-15
NEBC: 00675655 Rumex occidentalis S. Watson USA: Maine Columbia: Columbia C. H. Knowlton 1916-8-2
NEBC: 00675654 Rumex occidentalis S. Watson USA: Maine Roque Bluffs: Roque Bluffs C. H. Knowlton 1916-8-10
Polypodiaceae NEBC: 00658074 Polypodium virginianum Linnaeus USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1916-5-27
NEBC: 00658256 Polypodium virginianum Linnaeus USA: Massachusetts Holland: Holland C. H. Knowlton 1916-5-20
Pteridaceae NEBC: 00219173 Adiantum pedatum Linnaeus USA: Vermont Eden: C. H. Knowlton 1916-7-19
Ranunculaceae NEBC: 00753674 Actaea rubra (Aiton) Willdenow USA: Maine Machias: Machias C. H. Knowlton 1916
NEBC: 01034444 Actaea rubra (Aiton) Willdenow USA: Massachusetts Sturbridge: Sturbridge C. H. Knowlton 1916-5-20
NEBC: 00572140 Anemone quinquefolia Linnaeus USA: Massachusetts Holland: Holland C. H. Knowlton 1916-5-20
NEBC: 00485437 Aquilegia canadensis Linnaeus USA: Massachusetts Holland: Holland C. H. Knowlton 1916-5-20
NEBC: 00866715 Caltha palustris Linnaeus USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 00575783 Clematis virginiana Linnaeus USA: Massachusetts Sturbridge: Sturbridge C. H. Knowlton 1916-5-20
NEBC: 00553543 Coptis trifolia (Linnaeus) Salisbury USA: Vermont Hartland: Hartland C. H. Knowlton 1916-5-9
NEBC: 00553685 Coptis trifolia (Linnaeus) Salisbury USA: Massachusetts Holland: Holland C. H. Knowlton 1916-5-20
NEBC: 01013269 Hepatica americana (de Candolle) Ker Gawler USA: Vermont Wells: Wells C. H. Knowlton 1916-5-27
NEBC: 00866813 Hepatica americana (de Candolle) Ker Gawler USA: Massachusetts Holland: Holland C. H. Knowlton 1916-5-20
NEBC: 00831030 Ranunculus abortivus Linnaeus USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1916-5-27
NEBC: 00831032 Ranunculus abortivus Linnaeus USA: Vermont Poultney: Poultney C. H. Knowlton 1916-5-27
NEBC: 01020797 Ranunculus aquatilis diffusus Withering USA: Vermont Franklin: Franklin C. H. Knowlton 1916-7-16
NEBC: 00517375 Ranunculus bulbosus Linnaeus USA: Massachusetts Blackstone: Blackstone C. H. Knowlton 1916-5-21
NEBC: 00768666 Ranunculus hispidus Michaux USA: Massachusetts Sturbridge: Sturbridge C. H. Knowlton 1916-5-20
NEBC: 00552734 Thalictrum dioicum Linnaeus USA: Massachusetts Holland: Holland C. H. Knowlton 1916-5-20
NEBC: 00719835 Thalictrum pubescens Pursh USA: Vermont Eden: Eden C. H. Knowlton 1916-7-19
Rhamnaceae NEBC: 00643636 Ceanothus americanus Linnaeus USA: Vermont Burlington: Burlington C. H. Knowlton 1916-7-11
Rosaceae NEBC: 00649941 Agrimonia striata Michaux USA: Vermont Eden: Eden C. H. Knowlton 1916-7-18
NEBC: 00661073 Amelanchier arborea (F. Michaux) Fernald USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 00661174 Amelanchier bartramiana (Tausch) M. Roemer USA: Maine Marshfield: Marshfield C. H. Knowlton 1916-8-2
NEBC: 00483923 Amelanchier canadensis (Linnaeus) Medikus USA: Massachusetts Hingham: hingham C. H. Knowlton 1916-5-14
NEBC: 00483992 Amelanchier canadensis (Linnaeus) Medikus USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 00483993 Amelanchier canadensis (Linnaeus) Medikus USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 00673748 Amelanchier sanguinea (Pursh) de Candolle USA: Vermont Wells: Wells C. H. Knowlton 1916-5-27
NEBC: 00740643 Amelanchier stolonifera Wiegand USA: Maine Columbia: Columbia C. H. Knowlton 1916-8-4
NEBC: 00674085 Amelanchier stolonifera Wiegand USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 00674087 Amelanchier stolonifera Wiegand USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 00674127 Aronia melanocarpa (Michaux) Elliott USA: Maine Columbia: Columbia C. H. Knowlton 1916-8-4
NEBC: 00738733 Aronia melanocarpa (Michaux) Elliott USA: Vermont Berkshire: Berkshire C. H. Knowlton 1916-7-15
NEBC: 00744540 Aronia prunifolia (Marshall) Rehder USA: Maine Columbia: Columbia C. H. Knowlton 1916-8-4
NEBC: 00688039 Dalibarda repens Linnaeus USA: Maine Columbia: Columbia C. H. Knowlton 1916-8-4
NEBC: 00644040 Dalibarda repens Linnaeus USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1916-5-28
NEBC: 00524124 Fragaria vesca americana Porter USA: Massachusetts Sturbridge: Sturbridge C. H. Knowlton 1916-5-20
NEBC: 00669604 Geum fragarioides (Michaux) Smedmark USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1916-5-26
NEBC: 00669609 Geum fragarioides (Michaux) Smedmark USA: Vermont Poultney: Poultney C. H. Knowlton 1916-5-27
NEBC: 00565618 Geum rivale Linnaeus USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1916-5-27
NEBC: 00703211 Malus pumila Miller USA: Massachusetts Blackstone: Blackstone C. H. Knowlton 1916-5-21
NEBC: 00524387 Potentilla argentea Linnaeus USA: Massachusetts Sturbridge: Sturbridge C. H. Knowlton 1916-5-20
NEBC: 00710756 Potentilla canadensis Linnaeus USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 00710762 Potentilla canadensis Linnaeus USA: Massachusetts Holland: Holland C. H. Knowlton 1916-5-20
NEBC: 00561048 Potentilla norvegica Linnaeus USA: Maine Columbia: Columbia C. H. Knowlton 1916-8-4
NEBC: 00653118 Potentilla simplex Michaux USA: Vermont Poultney: Poultney C. H. Knowlton 1916-5-27
NEBC: 00653390 Potentilla simplex Michaux USA: Massachusetts Holland: Holland C. H. Knowlton 1916-5-20
NEBC: 00644657 Potentilla tridentata Aiton USA: Maine Columbia: Columbia C. H. Knowlton 1916-8-4
NEBC: 00740030 Prunus pensylvanica Linnaeus f. USA: Maine Columbia: Columbia C. H. Knowlton 1916-8-4
NEBC: 00743155 Prunus pensylvanica Linnaeus f. USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 00743238 Prunus pumila depressa (Pursh) Gleason USA: New Hampshire Plymouth: Plymouth C. H. Knowlton 1916-8-24
NEBC: 00742995 Prunus virginiana Linnaeus USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 00646172 Rubus canadensis Linnaeus USA: Maine Columbia: Columbia C. H. Knowlton 1916-8-4
NEBC: 00651190 Rubus hispidus Linnaeus USA: Massachusetts Hingham: Hingham C. H. Knowlton 1916-8-20
NEBC: 00723660 Rubus hispidus Linnaeus USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 00651403 Rubus occidentalis Linnaeus USA: Massachusetts Sturbridge: Sturbridge C. H. Knowlton 1916-5-20
NEBC: 00651665 Rubus odoratus Linnaeus USA: Massachusetts Sturbridge: Sturbridge C. H. Knowlton 1916-5-20
NEBC: 00641519 Rubus pubescens Rafinesque USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 00742066 Rubus setosus Bigelow USA: Vermont Berkshire: Berkshire C. H. Knowlton 1916
NEBC: 00659270 Spiraea latifolia (Aiton) Borkhausen USA: Maine Columbia: Columbia C. H. Knowlton 1916-8-4
NEBC: 00659440 Spiraea latifolia (Aiton) Borkhausen USA: Vermont Poultney: Poultney C. H. Knowlton 1916-5-27
NEBC: 00659490 Spiraea latifolia (Aiton) Borkhausen USA: Massachusetts Sturbridge: Sturbridge C. H. Knowlton 1916-5-20
NEBC: 00710253 Spiraea tomentosa Linnaeus USA: Massachusetts Sturbridge: Sturbridge C. H. Knowlton 1916-5-20
Rubiaceae NEBC: 00650869 Galium aparine Linnaeus USA: Vermont Arlington: Arlington C. H. Knowlton 1916-5-23
NEBC: 00670651 Galium boreale Linnaeus USA: Vermont Berkshire: Berkshire C. H. Knowlton 1916-7-15
NEBC: 00732120 Galium palustre Linnaeus USA: Vermont Franklin: Franklin C. H. Knowlton 1916-7-16
NEBC: 00670942 Galium tinctorium Linnaeus USA: Maine Trescott C. H. Knowlton 1916-8-1
NEBC: 00698088 Galium tinctorium Linnaeus USA: Massachusetts Barnstable Town C. H. Knowlton 1916-7-9
NEBC: 00485266 Houstonia caerulea Linnaeus USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 00670562 Mitchella repens Linnaeus USA: Massachusetts Holland: Holland C. H. Knowlton 1916-5-20
Salicaceae NEBC: 00659948 Populus balsamifera Linnaeus USA: Massachusetts Sturbridge: Sturbridge C. H. Knowlton 1916-5-20
NEBC: 00724139 Populus grandidentata Michaux USA: Massachusetts Sturbridge: Sturbridge C. H. Knowlton 1916-5-20
NEBC: 00659241 Populus tremuloides Michaux USA: Vermont Sandgate: Sandgate C. H. Knowlton 1916-5-23
NEBC: 00649179 Populus tremuloides Michaux USA: Massachusetts Blackstone: Blackstone C. H. Knowlton 16180 1916-5-21
NEBC: 00653197 Salix bebbiana Sargent USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 00653488 Salix discolor Muhlenberg USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 00441631 Salix eriocephala Michaux USA: Massachusetts Sturbridge: Sturbridge C. H. Knowlton 1916-5-20
NEBC: 00441676 Salix eriocephala Michaux USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 00441681 Salix eriocephala Michaux USA: Massachusetts Holland: Holland C. H. Knowlton 1916-5-20
NEBC: 00763160 Salix humilis Marshall USA: Maine Columbia: Columbia C. H. Knowlton 1916-8-4
NEBC: 00769319 Salix humilis Marshall USA: Massachusetts Holland: Holland C. H. Knowlton 1916-5-20
NEBC: 00653872 Salix lucida Muhlenberg USA: Vermont Eden: Eden C. H. Knowlton 1916-7-18
NEBC: 00653898 Salix lucida Muhlenberg USA: Vermont Sandgate: Sandgate C. H. Knowlton 1916-5-23
NEBC: 00763603 Salix nigra Marshall USA: Vermont Sandgate: Sandgate C. H. Knowlton 1916-5-23
NEBC: 00646141 Salix pedicellaris Pursh USA: Vermont Eden: Eden C. H. Knowlton 1916-7-19
NEBC: 00646142 Salix pedicellaris Pursh USA: Vermont Eden: Eden C. H. Knowlton 1916-7-19
NEBC: 00523501 Salix purpurea Linnaeus USA: Vermont Eden: Eden C. H. Knowlton 1916-7-19
NEBC: 00523506 Salix purpurea Linnaeus USA: Massachusetts Nahant: Nahant C. H. Knowlton 1916-7-6
NEBC: 00646786 Salix pyrifolia Andersson USA: Maine Whiting: Whiting C. H. Knowlton 1916-8-1
NEBC: 00651033 Salix pyrifolia Andersson USA: Vermont Belvidere: Belvidere C. H. Knowlton 1916-7-17
NEBC: 00641167 Salix sericea Marshall USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
Saxifragaceae NEBC: 01008224 Chrysosplenium americanum Schweinitz ex Hooker USA: Massachusetts Sturbridge: Sturbridge C. H. Knowlton 1916-5-20
NEBC: 01038644 Mitella diphylla Linnaeus USA: Vermont Berkshire: Berkshire C. H. Knowlton 1916-7-15
NEBC: 01008816 Mitella nuda Linnaeus USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1916-5-27
NEBC: 00640696 Ribes cynosbati Linnaeus USA: Vermont Wells: Wells C. H. Knowlton 1916-5-27
NEBC: 00640697 Ribes cynosbati Linnaeus USA: Vermont Wells: Wells C. H. Knowlton 1916-5-27
NEBC: 00665273 Ribes glandulosum Grauer USA: Vermont Mount Morris C. H. Knowlton 1916-7-18
NEBC: 00665362 Ribes hirtellum Michaux USA: Maine Trescott C. H. Knowlton 1916-8-1
NEBC: 00730781 Ribes hirtellum Michaux USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 00771549 Ribes rubrum Linnaeus USA: Massachusetts Holland: Holland C. H. Knowlton 1916-5-20
NEBC: 00665688 Ribes triste Pallas USA: Vermont Eden: Eden C. H. Knowlton 1916-7-20
NEBC: 00665697 Ribes triste Pallas USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1916-5-28
NEBC: 00563071 Saxifraga pensylvanica Linnaeus USA: Vermont Eden: Garden of Eden C. H. Knowlton 1916-7-19
NEBC: 00563081 Saxifraga pensylvanica Linnaeus USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1916-5-28
NEBC: 00563184 Saxifraga pensylvanica Linnaeus USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 00575115 Saxifraga virginiensis Michaux USA: Massachusetts Holland: Holland C. H. Knowlton 1916-5-20
Scheuchzeriaceae NEBC: 00635411 Scheuchzeria palustris americana Fernald USA: Maine Marshfield: Marshfield C. H. Knowlton 1916-8-2
Scrophulariaceae NEBC: 00678756 Erythranthe moschata (Douglas ex Lindley) G. L. Nesom USA: Vermont Eden: Eden C. H. Knowlton 1916-7-19
NEBC: 00678756 Mimulus moschatus Douglas ex Lindley USA: Vermont Eden: Eden C. H. Knowlton 1916-7-19
Smilacaceae NEBC: 00503831 Smilax rotundifolia Linnaeus USA: Massachusetts Hingham: Hingham C. H. Knowlton 1916-9-9
Solanaceae NEBC: 00762624 Physalis heterophylla Nees USA: Vermont Berkshire: Berkshire C. H. Knowlton 1916-7-15
Taxaceae NEBC: 00668431 Taxus canadensis Marshall USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1916-5-28
NEBC: 00679787 Taxus canadensis Marshall USA: Massachusetts Sturbridge: Sturbridge C. H. Knowlton 1916-5-20
Trilliaceae NEBC: 00569020 Medeola virginiana Linnaeus USA: Maine Marshfield: Marshfield C. H. Knowlton 1916-8-2
Valerianaceae NEBC: 00698134 Valeriana uliginosa (Torr. & A. Gray) Rydb. USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1916-5-28
Violaceae NEBC: 00760180 Viola adunca Smith USA: Maine Machias: Machias C. H. Knowlton 1916-8-8
NEBC: 00760271 Viola adunca Smith USA: Vermont Hartland: Hartland C. H. Knowlton 1916-5-9
NEBC: 00760275 Viola adunca Smith USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1916-5-28
NEBC: 00565984 Viola blanda Willdenow USA: Vermont Eden: Eden C. H. Knowlton 1916-7-18
NEBC: 00565985 Viola blanda Willdenow USA: Vermont Eden: Eden C. H. Knowlton 1916-7-18
NEBC: 00715801 Viola canadensis Linnaeus USA: Vermont Berkshire: Berkshire C. H. Knowlton 1916-7-15
NEBC: 00504337 Viola cucullata Aiton USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 00504349 Viola cucullata Aiton USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 00574019 Viola labradorica Schrank USA: Massachusetts Holland: Holland C. H. Knowlton 1916-5-20
NEBC: 00569289 Viola lanceolata Linnaeus USA: Maine Marshfield: Marshfield C. H. Knowlton 1916-8-2
NEBC: 00721357 Viola nephrophylla Greene USA: Vermont Berkshire: Berkshire C. H. Knowlton 1916-7-15
NEBC: 00715895 Viola pallens (Banks ex Gingins) Brainerd USA: Maine Columbia: Columbia C. H. Knowlton 1916-8-4
NEBC: 00629672 Viola pallens (Banks ex Gingins) Brainerd USA: Vermont Montpelier: Montpelier C. H. Knowlton 1916-5-11
NEBC: 00760397 Viola pallens (Banks ex Gingins) Brainerd USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 00713545 Viola pubescens Aiton USA: Vermont Montpelier: Montpelier C. H. Knowlton 1916-5-11
NEBC: 00721106 Viola pubescens Aiton USA: Massachusetts Holland: Holland C. H. Knowlton 1916-5-20
NEBC: 00687605 Viola renifolia A. Gray USA: Vermont Berkshire: Berkshire C. H. Knowlton 1916-7-15
NEBC: 00687617 Viola renifolia A. Gray USA: Vermont Eden: Eden C. H. Knowlton 1916-7-18
NEBC: 00687629 Viola renifolia A. Gray USA: Vermont Montpelier: Montpelier C. H. Knowlton 1916-5-11
NEBC: 00687660 Viola renifolia A. Gray USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1916-5-27
NEBC: 00687659 Viola renifolia A. Gray USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1916-5-28
NEBC: 00721403 Viola rostrata Pursh USA: Vermont Poultney: Poultney C. H. Knowlton 1916-5-27
NEBC: 00730036 Viola sagittata ovata (Nuttall) Torrey & A. Gray USA: Maine Marshfield: Marshfield C. H. Knowlton 1916-7-30
NEBC: 00640777 Viola sagittata ovata (Nuttall) Torrey & A. Gray USA: Massachusetts Brimfield: Brimfield C. H. Knowlton 1916-5-20
NEBC: 00640716 Viola selkirkii Pursh USA: Maine Montpelier C. H. Knowlton 1916-5-11
NEBC: 00665532 Viola selkirkii Pursh USA: Vermont Berkshire: Berkshire C. H. Knowlton 1916-7-15
NEBC: 00665542 Viola selkirkii Pursh USA: Vermont Eden: Eden C. H. Knowlton 1916-7-19
NEBC: 00665551 Viola selkirkii Pursh USA: Vermont Montpelier: Montpelier C. H. Knowlton 1916-5-11
NEBC: 00665558 Viola selkirkii Pursh USA: Vermont Hartland: Hartland C. H. Knowlton 1916-5-9
NEBC: 00665559 Viola selkirkii Pursh USA: Vermont Chester: Chester C. H. Knowlton 1916-8-22
NEBC: 00649311 Viola sororia Willdenow USA: Massachusetts Sturbridge: Sturbridge C. H. Knowlton 1916-5-20
NEBC: 00649341 Viola sororia Willdenow USA: Massachusetts Sturbridge: Sturbridge C. H. Knowlton 1916-5-20
NEBC: 00649261 Viola sororia Willdenow USA: Vermont Burlington: Burlington C. H. Knowlton 1916-7-11
NEBC: 00649277 Viola sororia Willdenow USA: Vermont Montpelier: Montpelier C. H. Knowlton 1916-5-11
NEBC: 00665888 Viola sororia Willdenow USA: Vermont Sandgate: Sandgate C. H. Knowlton 1916-5-23
NEBC: 00649438 Viola sororia Willdenow USA: Massachusetts Holland: Holland C. H. Knowlton 1916-5-20
Xyridaceae NEBC: 01151773 Xyris montana Ries USA: Maine Marshfield: Marshfield C. H. Knowlton 1916-8-2