Harvard University Herbaria & Libraries

Aceraceae
NEBC: 00677031 Acer pensylvanicum Linnaeus USA: Maine Charlotte: Charlotte C. H. Knowlton 1938-8-16
NEBC: 00677849 Acer saccharum Marshall USA: Maine Charlotte: Charlotte C. H. Knowlton 1938-8-17
NEBC: 00752852 Acer saccharum nigrum (Michx. f.) Britton USA: Vermont Weybridge: Weybridge C. H. Knowlton 1938-7-15
Alismataceae
NEBC: 01032206 Alisma subcordatum Pursh USA: Vermont Castleton: Castleton C. H. Knowlton 1938-8-25
NEBC: 01032312 Alisma triviale Pursh USA: Maine Grand Lake Stream C. H. Knowlton 1938-8-17
NEBC: 01032313 Alisma triviale Pursh USA: Maine Grand Lake Stream C. H. Knowlton 1938-8-17
NEBC: 01032347 Alisma triviale Pursh USA: Vermont North Hero: North Hero C. H. Knowlton 1938-7-19
NEBC: 01032348 Alisma triviale Pursh USA: Vermont North Hero: North Hero C. H. Knowlton 1938-7-19
NEBC: 01080314 Sagittaria cuneata E. Sheldon USA: Vermont North Hero: North Hero C. H. Knowlton 1938-7-19
NEBC: 01080631 Sagittaria latifolia Willdenow USA: Maine Grand Lake Stream C. H. Knowlton 1938-8-17
NEBC: 01080632 Sagittaria latifolia Willdenow USA: Maine Grand Lake Stream C. H. Knowlton 1938-8-17
NEBC: 01080952 Sagittaria rigida Pursh USA: Vermont Castleton: Castleton C. H. Knowlton 1938-8-24
Anacardiaceae
NEBC: 00752435 Rhus copallinum latifolia Engler USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1938-8-24
NEBC: 00690942 Rhus typhina Linnaeus USA: Maine Baring C. H. Knowlton 1938-8-17
NEBC: 00660502 Toxicodendron radicans (Linnaeus) Kuntze USA: Maine Farmington: Farmington C. H. Knowlton 1938-6-18
NEBC: 00772272 Toxicodendron rydbergii (Small ex Rydberg) Greene USA: Maine Farmington: Farmington C. H. Knowlton 1938-6-18
NEBC: 00772275 Toxicodendron rydbergii (Small ex Rydberg) Greene USA: Maine Charlotte: Charlotte C. H. Knowlton 1938-8-16
Apiaceae
NEBC: 00483611 Cicuta bulbifera Linnaeus USA: Maine Grand Lake Stream C. H. Knowlton 1938-8-17
NEBC: 01051373 Hydrocotyle americana Linnaeus USA: Maine Marion C. H. Knowlton 1938-8-9
NEBC: 00483320 Sanicula marilandica Linnaeus USA: Maine Indiantown C. H. Knowlton 1938-8-17
NEBC: 00483422 Sanicula marilandica Linnaeus USA: Vermont Milton: Milton C. H. Knowlton 1938-7-17
NEBC: 00483433 Sanicula marilandica Linnaeus USA: Vermont Leicester: Leicester C. H. Knowlton 1938-7-21
NEBC: 01025361 Sanicula odorata (Raf.) K.M. Pryer & L.R. Phillippe USA: Vermont Leicester: Leicester C. H. Knowlton 1938-7-21
NEBC: 01010298 Sium suave Walter USA: Maine Grand Lake Stream C. H. Knowlton 1938-8-17
NEBC: 00587016 Zizia aurea (Linnaeus) W. D. J. Koch USA: Vermont Jericho: Jericho C. H. Knowlton 1938-5-26
Aquifoliaceae
NEBC: 00629866 Ilex mucronata (Linnaeus) M. Powell, Savolainen & S. Andrews USA: Maine C. H. Knowlton 1938-8-11
NEBC: 00713346 Ilex verticillata (Linnaeus) A. Gray USA: Maine Charlotte: Charlotte C. H. Knowlton 1938-8-16
NEBC: 00713351 Ilex verticillata (Linnaeus) A. Gray USA: Maine Grand Lake Stream C. H. Knowlton 1938-8-17
Araceae
NEBC: 01010741 Arisaema triphyllum (Linnaeus) Schott USA: Vermont Leicester: Leicester C. H. Knowlton 1938-5-27
NEBC: 01010886 Arisaema triphyllum stewardsonii (Britton) Huttleston USA: Maine New Vineyard: New Vineyard C. H. Knowlton 1938-6-18
NEBC: 01081899 Calla palustris Linnaeus USA: Maine Grand Lake Stream C. H. Knowlton 1938-8-17
Araliaceae
NEBC: 01036311 Aralia hispida Ventenat USA: Maine TH MD C. H. Knowlton 1938-8-11
NEBC: 00248165 Aralia racemosa Linnaeus USA: Maine Charlotte: C. H. Knowlton 1938-8-16
NEBC: 00248168 Aralia racemosa Linnaeus USA: Maine Grand Lake Stream Plantation: C. H. Knowlton 1938-8-17
Aristolochiaceae
NEBC: 00642376 Asarum canadense Linnaeus USA: Vermont Leicester: Leicester C. H. Knowlton 1938-5-27
Asclepiadaceae
NEBC: 00572696 Asclepias incarnata Linnaeus USA: Vermont Castleton: Castleton C. H. Knowlton 1938-8-25
Aspidiaceae
NEBC: 00627283 Polystichum acrostichoides (Michaux) Schott USA: Vermont Weybridge: Weybridge C. H. Knowlton 1938-7-15
NEBC: 00627762 Polystichum ée (Spenner) Fée USA: Maine New Vineyard: New Vineyard C. H. Knowlton 1938-6-18
Asteraceae
NEBC: 00753274 Ageratina altissima (Linnaeus) R. M. King & H. Robinson USA: Vermont Castleton: Castleton C. H. Knowlton 1938-8-24
NEBC: 01023987 Ambrosia artemisiifolia Linnaeus USA: Maine Baring C. H. Knowlton 1938-8-16
NEBC: 01066034 Anaphalis margaritacea (Linnaeus) Bentham & Hooker f. USA: Maine Charlotte: Charlotte C. H. Knowlton 1938-8-16
NEBC: 01065328 Antennaria howellii canadensis (Greene) Bayer USA: Vermont Georgia: Georgia C. H. Knowlton 1938-5-25
NEBC: 01007472 Antennaria howellii neodioica (Greene) Bayer USA: Maine Farmington: Farmington C. H. Knowlton 1938-6-17
NEBC: 01007794 Antennaria neglecta Greene USA: Vermont Georgia: Georgia C. H. Knowlton 1938-5-25
NEBC: 01037681 Bidens frondosa Linnaeus USA: Maine Grand Lake Stream C. H. Knowlton 1938-8-17
NEBC: 01037683 Bidens frondosa Linnaeus USA: Maine Meddybemps: Meddybemps C. H. Knowlton 1938-8-16
NEBC: 01037793 Bidens frondosa Linnaeus USA: Vermont Castleton: Castleton C. H. Knowlton 1938-8-25
NEBC: 00564063 Erigeron annuus (Linnaeus) Persoon USA: Vermont Milton: Milton C. H. Knowlton 1938-7-17
NEBC: 00834899 Erigeron canadensis Linnaeus USA: Vermont Castleton: Castleton C. H. Knowlton 1938-8-24
NEBC: 01052169 Erigeron pulchellus Michaux USA: Maine Farmington: Farmington C. H. Knowlton 1938-6-18
NEBC: 00755685 Eupatorium perfoliatum Linnaeus USA: Maine T26 MD C. H. Knowlton 1938-8-11
NEBC: 00574214 Eurybia macrophylla (Linnaeus) Cassini USA: Maine Baring C. H. Knowlton 1938-8-17
NEBC: 00568050 Eurybia macrophylla (Linnaeus) Cassini USA: Vermont Castleton: Castleton C. H. Knowlton 1938-8-24
NEBC: 00568051 Eurybia macrophylla (Linnaeus) Cassini USA: Vermont Castleton: Castleton C. H. Knowlton 1938-8-24
NEBC: 01019039 Eutrochium maculatum (Linnaeus) E. E. Lamont USA: Maine Grand Lake Stream C. H. Knowlton 1938-8-17
NEBC: 01019200 Eutrochium purpureum (Linnaeus) E. E. Lamont USA: New Hampshire Leicester C. H. Knowlton 1938-7-21
NEBC: 01053841 Gnaphalium uliginosum Linnaeus USA: Maine TN MD C. H. Knowlton 1938-8-11
NEBC: 00535797 Heliopsis helianthoides scabra (Dunal) Fernald USA: Vermont Weybridge: Weybridge C. H. Knowlton 1938-7-15
NEBC: 00587608 Hieracium caespitosum Dumortier USA: Maine Strong: Strong C. H. Knowlton 1938-6-17
NEBC: 01028893 Hieracium kalmii Linnaeus USA: Maine Meddybemps: Meddybemps C. H. Knowlton 1938-8-16
NEBC: 00587702 Hieracium pilosella Linnaeus USA: Maine New Vineyard: New Vineyard C. H. Knowlton 1938-6-18
NEBC: 00587747 Hieracium piloselloides Villars USA: Maine New Vineyard: New Vineyard C. H. Knowlton 1938-6-18
NEBC: 00833665 Hieracium scabrum Michaux USA: Maine T26 MD C. H. Knowlton 1938-8-11
NEBC: 01071487 Hieracium scabrum Michaux USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1938-8-24
NEBC: 00833849 Lactuca biennis (Moench) Fernald USA: Maine T26 MD C. H. Knowlton 1938-8-11
NEBC: 00833850 Lactuca biennis (Moench) Fernald USA: Maine Edmunds C. H. Knowlton 1938-8-6
NEBC: 00833942 Lactuca canadensis Linnaeus USA: Maine T26 MD C. H. Knowlton 1938-8-11
NEBC: 00833945 Lactuca canadensis Linnaeus USA: Maine Edmunds C. H. Knowlton 1938-8-6
NEBC: 00833948 Lactuca canadensis Linnaeus USA: Maine Edmunds C. H. Knowlton 1938-8-6
NEBC: 00833956 Lactuca canadensis Linnaeus USA: Maine Marion C. H. Knowlton 1938-8-9
NEBC: 00833957 Lactuca canadensis Linnaeus USA: Maine Meddybemps: Meddybemps C. H. Knowlton 1938-8-16
NEBC: 00576002 Onopordum acanthium Linnaeus USA: Vermont Milton: Milton C. H. Knowlton 1938-7-17
NEBC: 00576003 Onopordum acanthium Linnaeus USA: Vermont Milton: Milton C. H. Knowlton 1938-7-17
NEBC: 01023204 Pseudognaphalium macounii (Greene) Kartesz USA: Vermont Castleton: Castleton C. H. Knowlton 1938-8-25
NEBC: 01023573 Pseudognaphalium obtusifolium (Linnaeus) Hilliard & B. L. Burtt USA: New Hampshire Alexandria: Alexandria C. H. Knowlton 1938-8-23
NEBC: 00675126 Rudbeckia laciniata Linnaeus USA: Vermont Castleton: Castleton C. H. Knowlton 1938-8-24
NEBC: 01077259 Solidago arguta Aiton USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1938-8-24
NEBC: 00553006 Solidago bicolor Linnaeus USA: Maine Baring C. H. Knowlton 1938-8-17
NEBC: 01077548 Solidago canadensis Linnaeus USA: Maine Meddybemps: Meddybemps C. H. Knowlton 1938-8-16
NEBC: 01062961 Solidago gigantea Aiton USA: Maine Meddybemps: Meddybemps C. H. Knowlton 1938-8-16
NEBC: 01054408 Solidago gigantea Aiton USA: Vermont Castleton: Castleton C. H. Knowlton 1938-8-24
NEBC: 01054686 Solidago juncea Aiton USA: Maine Northfield: Northfield C. H. Knowlton 1938-8-19
NEBC: 01064219 Solidago puberula Nuttall USA: Maine Wilton: Wilton C. H. Knowlton 1938-10-1
NEBC: 01064246 Solidago puberula Nuttall USA: Maine Grand Lake Stream C. H. Knowlton 1938-8-17
NEBC: 01064731 Solidago speciosa Nuttall USA: Massachusetts Shrewsbury: Shrewsbury C. H. Knowlton 1938-9-16
NEBC: 01056881 Solidago uliginosa Nuttall USA: Maine Charlotte: Charlotte C. H. Knowlton 1938-8-16
NEBC: 00637437 Sonchus asper (Linnaeus) Hill USA: Vermont Castleton: Castleton C. H. Knowlton 1938-8-24
NEBC: 01031734 Symphyotrichum puniceum (Linnaeus) Á. Löve & D. Löve USA: Maine Wilton: Wilton C. H. Knowlton 1938-10-1
Athyriaceae
NEBC: 00678147 Athyrium filix-femina angustum (Willdenow) G. Lawson USA: Maine New Vineyard: New Vineyard C. H. Knowlton 1938-6-18
NEBC: 00678182 Athyrium filix-femina angustum (Willdenow) G. Lawson USA: Maine Charlotte: Charlotte C. H. Knowlton 1938-8-16
NEBC: 00678191 Athyrium filix-femina angustum (Willdenow) G. Lawson USA: Maine Meddybemps: Meddybemps C. H. Knowlton 1938-8-16
NEBC: 00678192 Athyrium filix-femina angustum (Willdenow) G. Lawson USA: Maine Meddybemps: Meddybemps C. H. Knowlton 1938-8-16
NEBC: 00678200 Athyrium filix-femina angustum (Willdenow) G. Lawson USA: Maine C. H. Knowlton 1938-8-11
NEBC: 00678201 Athyrium filix-femina angustum (Willdenow) G. Lawson USA: Maine C. H. Knowlton 1938-8-11
NEBC: 00551347 Cystopteris bulbifera (Linnaeus) Bernhardi USA: Vermont Leicester: Leicester C. H. Knowlton 1938-7-21
NEBC: 00746405 Cystopteris tenuis (Michaux) Desvaux USA: Maine New Vineyard: New Vineyard C. H. Knowlton 1938-6-18
NEBC: 00551562 Deparia acrostichoides (Swartz) M. Kato USA: Vermont Weybridge: Weybridge C. H. Knowlton 1938-7-15
NEBC: 00662327 Gymnocarpium dryopteris (Linnaeus) Newman USA: Maine Charlotte: Charlotte C. H. Knowlton 1938-8-16
NEBC: 00746829 Onoclea sensibilis Linnaeus USA: Maine Edmunds C. H. Knowlton 1938-8-6
Balsaminaceae
NEBC: 00484062 Impatiens capensis Meerburgh USA: Maine Indiantown C. H. Knowlton 1938-8-17
Betulaceae
GH: 02194209 Betula occidentalis Hooker Canada: Alberta Canyon, near e. entrance Brule. C. H. Knowlton 1938-8-13
NEBC: 00727179 Carpinus caroliniana virginiana (Marsh.) Furlow USA: Vermont South Hero: South Hero C. H. Knowlton 1938-7-17
NEBC: 00727182 Carpinus caroliniana virginiana (Marsh.) Furlow USA: Vermont Coventry: Coventry C. H. Knowlton 1938-5-18
NEBC: 00727481 Corylus cornuta Marshall USA: Maine T26 MD C. H. Knowlton 1938-8-11
NEBC: 00727575 Corylus cornuta Marshall USA: New Hampshire Troy: Troy C. H. Knowlton 1938-4-8
NEBC: 00727576 Corylus cornuta Marshall USA: New Hampshire Troy: Troy C. H. Knowlton 1938
NEBC: 00746079 Ostrya virginiana (Miller) K. Koch USA: Maine Baring C. H. Knowlton 1938-8-17
Boraginaceae
NEBC: 00638534 Hackelia virginiana (Linnaeus) I. M. Johnston USA: Vermont Weybridge: Weybridge C. H. Knowlton 1938-7-15
Brassicaceae
NEBC: 00592809 Capsella bursa-pastoris (Linnaeus) Medikus USA: Maine Grand Lake Stream C. H. Knowlton 1938-8-17
NEBC: 00558734 Cardamine pensylvanica Muhlenberg ex Willdenow USA: Maine Marion C. H. Knowlton 1938-8-9
Cabombaceae
NEBC: 00502810 Brasenia schreberi J. F. Gmelin USA: Maine Roque Bluffs: Roque Bluffs C. H. Knowlton 1938-8-19
Campanulaceae
NEBC: 00820159 Campanula aparinoides uliginosa (Rydberg) Gleason USA: Maine Charlotte: Charlotte C. H. Knowlton 1938-8-16
Caprifoliaceae
NEBC: 00633339 Linnaea borealis americana (Forbes) Rehder USA: Maine Marion C. H. Knowlton 1938-8-9
NEBC: 00691231 Linnaea borealis americana (Forbes) Rehder USA: Vermont Castleton: Castleton C. H. Knowlton 1938-8-25
NEBC: 00682317 Lonicera canadensis Bartram ex Marsh. USA: Maine C. H. Knowlton 1938-8-11
NEBC: 00682419 Lonicera canadensis Bartram ex Marsh. USA: New Hampshire Croydon: Croydon C. H. Knowlton 1938-5-6
NEBC: 00682463 Lonicera canadensis Bartram ex Marsh. USA: Vermont Hartland: Hartland C. H. Knowlton 1938-5-5
NEBC: 00713988 Sambucus nigra canadensis (L.) R. Bolli USA: Maine Grand Lake Stream C. H. Knowlton 1938-8-17
NEBC: 00579352 Viburnum dentatum lucidum Aiton USA: Maine New Vineyard: New Vineyard C. H. Knowlton 1938-6-18
NEBC: 00579361 Viburnum dentatum lucidum Aiton USA: Maine Grand Lake Stream C. H. Knowlton 1938-8-17
NEBC: 00721683 Viburnum lantanoides Michaux USA: Vermont Lincoln: Lincoln C. H. Knowlton 1938-7-15
NEBC: 00687971 Viburnum lentago Linnaeus USA: Vermont South Hero: South Hero C. H. Knowlton 1938-7-17
NEBC: 00611145 Viburnum nudum cassinoides (Linnaeus) Torrey & A. Gray USA: New Hampshire Sandwich: Sandwich C. H. Knowlton 1938-8-23
Caryophyllaceae
NEBC: 00698492 Cerastium arvense Linnaeus USA: Massachusetts Chatham: Chatham C. H. Knowlton 1938-6-7
NEBC: 00525189 Dianthus barbatus Linnaeus USA: Maine New Vineyard: New Vineyard C. H. Knowlton 1938-6-18
Celastraceae
NEBC: 00295195 Celastrus scandens Linnaeus USA: Vermont Castleton: C. H. Knowlton 1938-8-24
Cornaceae
NEBC: 00629782 Cornus alternifolia Linnaeus f. USA: Maine Avon: Avon C. H. Knowlton 1938-6-17
NEBC: 00629789 Cornus alternifolia Linnaeus f. USA: Maine Grand Lake Stream C. H. Knowlton 1938-8-17
NEBC: 00773595 Cornus amomum Miller USA: Vermont Weybridge: Weybridge C. H. Knowlton 1938-7-15
NEBC: 00773597 Cornus amomum Miller USA: Vermont Castleton: Castleton C. H. Knowlton 1938-8-24
NEBC: 00760666 Cornus canadensis Linnaeus USA: Maine C. H. Knowlton 1938-8-11
NEBC: 00502591 Cornus rugosa Lamarck USA: Vermont Castleton: Castleton C. H. Knowlton 1938-8-24
NEBC: 00765462 Cornus stolonifera Michaux USA: Maine Meddybemps: Meddybemps C. H. Knowlton 1938-8-16
NEBC: 00765553 Cornus stolonifera Michaux USA: Vermont Jericho: Jericho C. H. Knowlton 1938-5-26
NEBC: 00765573 Cornus stolonifera Michaux USA: Vermont Castleton: Castleton C. H. Knowlton 1938-8-24
Cyperaceae
NEBC: 00218025 Carex blanda Dewey USA: Vermont Leicester: C. H. Knowlton 1938-5-27
NEBC: 00218268 Carex bromoides Willdenow USA: Vermont Jericho: C. H. Knowlton 1938-5-26
NEBC: 00218414 Carex brunnescens (Persoon) Poiret USA: Maine Farmington: C. H. Knowlton 1938-6-18
NEBC: 00222751 Carex comosa Boott USA: Vermont North Hero: C. H. Knowlton 1938-7-19
NEBC: 00263592 Carex intumescens Rudge USA: Maine New Vineyard: C. H. Knowlton 1938-6-18
NEBC: 00218025 Carex laxiflora Lamarck USA: Vermont Leicester: C. H. Knowlton 1938-5-27
NEBC: 00869116 Carex lupulina Muhlenberg ex Willdenow USA: Maine T26 MD C. H. Knowlton 1938-8-11
NEBC: 00854311 Carex peckii Howe ex Peck USA: Vermont Barnet: Barnet C. H. Knowlton 1938-5-17
NEBC: 00854349 Carex peckii Howe ex Peck USA: Vermont Rockingham: Rockingham C. H. Knowlton 1938-5-4
NEBC: 00854371 Carex pedunculata Muhlenberg ex Willdenow USA: Maine TH MD C. H. Knowlton 1938-8-11
NEBC: 00854959 Carex plantaginea Lamarck USA: Vermont Washington: Washington C. H. Knowlton 1938-5-23
NEBC: 00854965 Carex plantaginea Lamarck USA: Vermont Leicester: Leicester C. H. Knowlton 1938-5-27
NEBC: 01029599 Carex pseudocyperus Linnaeus USA: Maine Marion C. H. Knowlton 1938-8-9
NEBC: 01029601 Carex pseudocyperus Linnaeus USA: Maine Marion C. H. Knowlton 1938-8-9
NEBC: 00892534 Carex retrorsa Schweinitz USA: Maine T26 MD C. H. Knowlton 1938-8-11
NEBC: 00892572 Carex retrorsa Schweinitz USA: Vermont North Hero: North Hero C. H. Knowlton 1938-7-19
NEBC: 00874613 Carex stricta Lamarck USA: Vermont Jericho: Jericho C. H. Knowlton 1938-5-26
NEBC: 01043636 Cyperus dentatus Torrey USA: Vermont Castleton: Castleton C. H. Knowlton 1938-8-24
NEBC: 00672412 Dulichium arundinaceum (Linnaeus) Britton USA: Vermont Castleton: Castleton C. H. Knowlton 1938-8-24
NEBC: 00672335 Dulichium arundinaceum (Linnaeus) Britton USA: Maine Grand Lake Stream C. H. Knowlton 1938-8-17
NEBC: 01061858 Eleocharis acicularis (Linnaeus) Roemer & Schultes USA: Vermont North Hero: North Hero C. H. Knowlton 1938-7-19
NEBC: 01048043 Eleocharis erythropoda Steudel USA: Vermont North Hero: North Hero C. H. Knowlton 1938-7-19
NEBC: 01060157 Eriophorum alpinum Linnaeus USA: Maine New Vineyard: New Vineyard C. H. Knowlton 1938-6-18
NEBC: 01060352 Eriophorum gracile W. D. J. Koch ex Roth USA: Maine New Vineyard: New Vineyard C. H. Knowlton 1938-6-18
NEBC: 00766989 Eriophorum virginicum Linnaeus USA: New Hampshire Sandwich: Sandwich C. H. Knowlton 1938-8-23
NEBC: 01058755 Eriophorum viridicarinatum (Engelmann) Fernald USA: Maine New Vineyard: New Vineyard C. H. Knowlton 1938-6-18
NEBC: 00894441 Scirpus atrocinctus Fernald USA: Maine T26 MD C. H. Knowlton 1938-8-11
NEBC: 00894965 Scirpus cyperinus (Linnaeus) Kunth USA: Maine Grand Lake Stream C. H. Knowlton 1938-8-17
NEBC: 01160635 Scirpus hattorianus Makino USA: Maine Marion C. H. Knowlton 1938-8-9
NEBC: 00808875 Scirpus pedicellatus Fernald USA: Vermont Weybridge: Weybridge C. H. Knowlton 1938-7-15
Dennstaedtiaceae
NEBC: 00677950 Dennstaedtia punctilobula (Michaux) T. Moore USA: Maine C. H. Knowlton 1938-8-11
Dryopteridaceae
NEBC: 00652992 Dryopteris boottii (Tuckerman) Underwood USA: Maine Edmunds C. H. Knowlton 1938-8-6
NEBC: 00652994 Dryopteris boottii (Tuckerman) Underwood USA: Maine Meddybemps: Meddybemps C. H. Knowlton 1938-8-16
NEBC: 00708719 Dryopteris campyloptera (Kunze) Clarkson USA: Vermont Lincoln: Lincoln C. H. Knowlton 1938-7-25
NEBC: 00671047 Dryopteris cristata (Linnaeus) A. Gray USA: Maine Edmunds C. H. Knowlton 1938-8-6
NEBC: 00704719 Dryopteris intermedia (Muhlenberg ex Willdenow) A. Gray USA: Maine T26 MD C. H. Knowlton 1938-8-11
NEBC: 00636194 Dryopteris marginalis (Linnaeus) A. Gray USA: Maine New Vineyard: New Vineyard C. H. Knowlton 1938-6-18
NEBC: 00636208 Dryopteris marginalis (Linnaeus) A. Gray USA: Maine Baring C. H. Knowlton 1938-8-17
NEBC: 00636269 Dryopteris marginalis (Linnaeus) A. Gray USA: Vermont Castleton: Castleton C. H. Knowlton 1938-8-24
NEBC: 00636274 Dryopteris marginalis (Linnaeus) A. Gray USA: Vermont Castleton: Castleton C. H. Knowlton 1938-8-24
NEBC: 00627082 Dryopteris triploidea Wherry USA: Maine Edmunds C. H. Knowlton 1938-8-6
Equisetaceae
NEBC: 00706572 Equisetum sylvaticum Linnaeus USA: Maine C. H. Knowlton 1938-8-11
Ericaceae
NEBC: 00517635 Epigaea repens Linnaeus USA: Maine T26 MD C. H. Knowlton 1938-8-11
NEBC: 00448097 Gaultheria procumbens Linnaeus USA: Maine Grand Lake Stream: Grand Lake Stream C. H. Knowlton 1938-8-17
NEBC: 00448100 Gaultheria procumbens Linnaeus USA: Maine Marion: Marion C. H. Knowlton 1938-8-9
Euphorbiaceae
NEBC: 00699277 Chamaesyce vermiculata (Rafinesque) House USA: Vermont Castleton: Castleton C. H. Knowlton 1938-8-24
Fabaceae
NEBC: 00562276 Amphicarpaea bracteata (Linnaeus) Fernald USA: Vermont Castleton: Castleton C. H. Knowlton 1938-8-25
NEBC: 00747438 Apios americana Medikus USA: Vermont Castleton: Castleton C. H. Knowlton 1938-8-25
NEBC: 00654397 Desmodium glutinosum (Muhlenberg ex Willdenow) Alph. Wood USA: Vermont Leicester: Leicester C. H. Knowlton 1938-7-21
NEBC: 00591520 Genista tinctoria Linnaeus USA: Maine Machias: Machias C. H. Knowlton 1938-8-7
NEBC: 00534265 Medicago lupulina Linnaeus USA: Maine Grand Lake Stream C. H. Knowlton 1938-8-17
NEBC: 00534940 Trifolium aureum Pollich USA: Maine Charlotte: Charlotte C. H. Knowlton 1938-8-16
NEBC: 00586577 Trifolium hybridum Linnaeus USA: Maine Farmington: Farmington C. H. Knowlton 1938-6-17
NEBC: 00586800 Trifolium repens Linnaeus USA: Maine Farmington: Farmington C. H. Knowlton 1938-7-17
Fagaceae
NEBC: 00746239 Fagus grandifolia Ehrhart USA: Maine T19 ED C. H. Knowlton 1938-8-11
NEBC: 00662108 Quercus alba Linnaeus USA: Vermont Castleton: Castleton C. H. Knowlton 1938-8-24
NEBC: 00695407 Quercus ilicifolia Wangenheim USA: Massachusetts South Hadley: South Hadley C. H. Knowlton 1938-5-13
NEBC: 00695799 Quercus prinoides Willdenow USA: Massachusetts South Hadley: South Hadley C. H. Knowlton 1938-5-13
NEBC: 00676476 Quercus rubra Linnaeus USA: Maine Strong: Strong C. H. Knowlton 1938-10-1
NEBC: 00716070 Quercus rubra ambigua (A. Gray) Fernald USA: Maine Strong: Strong C. H. Knowlton 1938-6-17
Hamamelidaceae
NEBC: 00640322 Hamamelis virginiana Linnaeus USA: Maine Baring C. H. Knowlton 1938-8-17
NEBC: 00640459 Hamamelis virginiana Linnaeus USA: Vermont Castleton: Castleton C. H. Knowlton 1938-8-24
Hydrocharitaceae
NEBC: 01047549 Elodea canadensis Michaux USA: Vermont Woodbury: Woodbury C. H. Knowlton 1938-7-16
NEBC: 00635105 Vallisneria americana Michaux USA: Vermont Castleton: Castleton C. H. Knowlton 1938-8-24
Hypericaceae
NEBC: 00774183 Hypericum canadense Linnaeus USA: Maine Grand Lake Stream C. H. Knowlton 1938-8-17
NEBC: 00773180 Hypericum ellipticum Hooker USA: Maine Baring C. H. Knowlton 1938-8-17
NEBC: 00629056 Hypericum mutilum Linnaeus USA: Vermont Castleton: Castleton C. H. Knowlton 1938-8-24
NEBC: 00774897 Triadenum fraseri (Spach) Gleason USA: Maine Passamaquoddy Indian Township Reservation: I... C. H. Knowlton 1938-8-24
NEBC: 00629336 Triadenum virginicum (Linnaeus) Rafinesque USA: Vermont Castleton: Castleton C. H. Knowlton 1938-8-25
Juncaceae
NEBC: 01025788 Juncus brevicaudatus (Engelmann) Fernald USA: Maine TH MD C. H. Knowlton 1938-8-11
NEBC: 01174703 Juncus bufonius Linnaeus USA: Maine T26 MD C. H. Knowlton 1938-8-11
NEBC: 00859001 Juncus effusus solutus Fernald & Wiegand USA: Maine Indiantown C. H. Knowlton 1938-8-17
NEBC: 00860877 Juncus pylaei Laharpe USA: Maine T26MD C. H. Knowlton 1938-8-11
NEBC: 00860940 Juncus pylaei Laharpe USA: New Hampshire Sandwich: Sandwich C. H. Knowlton 1938-8-23
NEBC: 01150028 Juncus tenuis Willdenow USA: Maine Charlotte: Charlotte C. H. Knowlton 1938-8-16
NEBC: 00734180 Luzula acuminata Rafinesque USA: Vermont Barnet: Barnet C. H. Knowlton 1938-5-17
NEBC: 01182515 Luzula multiflora (Ehrhart) Lejeune USA: Maine Marion C. H. Knowlton 1938-8-9
Lamiaceae
NEBC: 00696399 Collinsonia canadensis Linnaeus USA: Vermont Leicester: Leicester C. H. Knowlton 1938-7-21
NEBC: 00696400 Collinsonia canadensis Linnaeus USA: Vermont Leicester: Leicester C. H. Knowlton 1938-7-21
NEBC: 00656262 Galeopsis bifida Boenninghausen USA: Maine Charlotte: Charlotte C. H. Knowlton 1938-8-16
NEBC: 00505745 Hedeoma pulegioides (Linnaeus) Persoon USA: Maine Baring C. H. Knowlton 1938-8-17
NEBC: 00696550 Lycopus americanus Muhlenberg ex W. P. C. Barton USA: Maine Grand Lake Stream C. H. Knowlton 1938-8-17
NEBC: 00658100 Lycopus americanus Muhlenberg ex W. P. C. Barton USA: Vermont Castleton: Castleton C. H. Knowlton 1938-8-24
NEBC: 00696905 Lycopus uniflorus Michaux USA: Maine Grand Lake Stream C. H. Knowlton 1938-8-17
NEBC: 00696911 Lycopus uniflorus Michaux USA: Maine Marion C. H. Knowlton 1938-8-9
NEBC: 00751565 Mentha arvensis Linnaeus USA: Vermont Castleton: Castleton C. H. Knowlton 1938-8-24
NEBC: 01047924 Mentha canadensis Linnaeus USA: Maine Baring C. H. Knowlton 1938-8-17
NEBC: 01018192 Mentha canadensis Linnaeus USA: Vermont Weybridge: Weybridge C. H. Knowlton 1938-7-15
NEBC: 00648928 Scutellaria galericulata Linnaeus USA: Maine Grand Lake Stream C. H. Knowlton 1938-8-17
NEBC: 00686586 Scutellaria lateriflora Linnaeus USA: Maine Grand Lake Stream C. H. Knowlton 1938-8-17
Lentibulariaceae
NEBC: 00664525 Utricularia vulgaris macrorhiza (L. LeConte) R. T. Clausen USA: Maine Grand Lake Stream C. H. Knowlton 1938-8-17
Liliaceae
NEBC: 00505320 Maianthemum canadense Desfontaines USA: Maine Charlotte: Charlotte C. H. Knowlton 1938-8-16
NEBC: 00505323 Maianthemum canadense Desfontaines USA: Maine T26MD C. H. Knowlton 1938-8-11
NEBC: 00817326 Maianthemum racemosum (Linnaeus) Link USA: Vermont South Hero: South Hero C. H. Knowlton 1938-7-17
NEBC: 00868499 Polygonatum pubescens commutatum (Willdenow) Pursh USA: Maine New Vineyard: New Vineyard C. H. Knowlton 1938-6-18
NEBC: 00868504 Polygonatum pubescens commutatum (Willdenow) Pursh USA: Maine Charlotte: Charlotte C. H. Knowlton 1938-8-16
NEBC: 00685376 Trillium grandiflorum (Michaux) Salisbury USA: Vermont South Hero: South Hero C. H. Knowlton 1938-7-17
NEBC: 00810739 Uvularia grandiflora Smith USA: Vermont Leicester: Leicester C. H. Knowlton 1938-5-27
NEBC: 00810919 Uvularia sessilifolia Linnaeus USA: Maine TH MD C. H. Knowlton 1938-8-11
NEBC: 00810923 Uvularia sessilifolia Linnaeus USA: Maine Grand Lake Stream C. H. Knowlton 1938-8-17
Lobeliaceae
NEBC: 00755426 Lobelia inflata Linnaeus USA: Maine Edmunds C. H. Knowlton 1938-8-6
NEBC: 00698837 Lobelia inflata Linnaeus USA: Vermont Castleton: Castleton C. H. Knowlton 1938-8-25
Lycopodiaceae
NEBC: 00647843 Dendrolycopodium dendroideum (Michaux) A. Haines USA: Vermont Rockingham: Rockingham C. H. Knowlton 1938-5-4
NEBC: 00647774 Dendrolycopodium dendroideum (Michaux) A. Haines USA: Maine Grand Lake Stream C. H. Knowlton 1938-8-17
NEBC: 00743706 Huperzia lucidula (Michaux) Trevisan USA: Maine Meddybemps: Meddybemps C. H. Knowlton 1938-8-16
NEBC: 00720891 Lycopodium clavatum Linnaeus USA: Maine Charlotte: Charlotte C. H. Knowlton 1938-8-16
NEBC: 00632266 Spinulum annotinum (Linnaeus) A. Haines USA: Vermont Rockingham: Rockingham C. H. Knowlton 1938-5-4
Lythraceae
NEBC: 01057161 Decodon verticillatus (Linnaeus) Elliott USA: Vermont South Hero: South Hero C. H. Knowlton 1938-7-17
NEBC: 00551133 Lythrum salicaria Linnaeus USA: Vermont Weybridge: Weybridge C. H. Knowlton 1938-7-15
Myricaceae
NEBC: 00563941 Myrica gale Linnaeus USA: Maine Grand Lake Stream C. H. Knowlton 1938-8-17
Onagraceae
NEBC: 01073668 Circaea canadensis canadensis (Linnaeus) Hill USA: Vermont Leicester: Leicester C. H. Knowlton 1938-7-21
NEBC: 01074612 Epilobium ciliatum Rafinesque USA: Maine Grand Lake Stream C. H. Knowlton 1938-8-17
NEBC: 01057562 Epilobium leptophyllum Rafinesque USA: Maine Charlotte: Charlotte C. H. Knowlton 1938-8-16
Orchidaceae
NEBC: 01021944 Malaxis unifolia Michaux USA: Maine Charlotte: Charlotte C. H. Knowlton 1938-8-16
NEBC: 00462230 Platanthera grandiflora (Bigelow) Lindley USA: Maine T26 ED C. H. Knowlton 1938-8-11
NEBC: 01063023 Spiranthes lacera (Rafinesque) Rafinesque USA: Maine Marion C. H. Knowlton 1938-8-9
Osmundaceae
NEBC: 00690477 Osmunda claytoniana Linnaeus USA: Maine Farmington: Farmington C. H. Knowlton 1938-6-17
NEBC: 00720150 Osmunda regalis spectabilis (Willdenow) A. Gray USA: Maine New Vineyard: New Vineyard C. H. Knowlton 1938-6-18
NEBC: 00720151 Osmunda regalis spectabilis (Willdenow) A. Gray USA: Maine New Vineyard: New Vineyard C. H. Knowlton 1938-6-18
NEBC: 00720560 Osmunda regalis spectabilis (Willdenow) A. Gray USA: Vermont North Hero: North Hero C. H. Knowlton 1938-7-19
NEBC: 00677253 Osmundastrum cinnamomeum (Linnaeus) C. Presl USA: Maine Farmington: Farmington C. H. Knowlton 1938-6-17
Oxalidaceae
NEBC: 01071402 Oxalis stricta Linnaeus USA: Maine T H M D C. H. Knowlton 1938-8-11
Papaveraceae
NEBC: 00669873 Corydalis sempervirens (Linnaeus) Persoon USA: Maine Grand Lake Stream C. H. Knowlton 1938-8-17
Phrymaceae
NEBC: 00664688 Phryma leptostachya Linnaeus USA: Vermont South Hero: South Hero C. H. Knowlton 1938-7-7
Plantaginaceae
NEBC: 00733921 Callitriche palustris Linnaeus USA: Maine Grand Lake Stream C. H. Knowlton 1938-8-17
NEBC: 00736531 Chelone glabra Linnaeus USA: Maine Grand Lake Stream C. H. Knowlton 1938-8-17
NEBC: 00655416 Veronica officinalis Linnaeus USA: Maine C. H. Knowlton 1938-8-11
Poaceae
NEBC: 01178379 Agrostis perennans (Walter) Tuckerman USA: Maine T26 MD C. H. Knowlton 1938-8-11
NEBC: 01178455 Agrostis perennans (Walter) Tuckerman USA: New Hampshire Hill: Hill C. H. Knowlton 1938-8-23
NEBC: 01175616 Agrostis scabra Willdenow USA: Maine T26 MD C. H. Knowlton 1938-8-11
NEBC: 00622972 Avena sativa Linnaeus USA: Maine T26MD C. H. Knowlton 1938-8-11
NEBC: 01175959 Brachyelytrum aristosum (Michaux) P. Beauvois ex Branner & Coville USA: Maine T26 MD C. H. Knowlton 1938-8-11
NEBC: 01045251 Brachyelytrum aristosum (Michaux) P. Beauvois ex Branner & Coville USA: Vermont Leicester: Leicester C. H. Knowlton 1938-7-21
NEBC: 00878345 Cinna latifolia (Treviranus ex Göppert) Grisebach USA: Maine T26 MD C. H. Knowlton 1938-8-11
NEBC: 00878352 Cinna latifolia (Treviranus ex Göppert) Grisebach USA: Maine Grand Lake Stream C. H. Knowlton 1938-8-17
NEBC: 00878355 Cinna latifolia (Treviranus ex Göppert) Grisebach USA: Maine Meddybemps: Meddybemps C. H. Knowlton 1938-8-16
NEBC: 00835796 Cinna latifolia (Treviranus ex Göppert) Grisebach USA: Vermont Lincoln: Lincoln C. H. Knowlton 1938-7-15
NEBC: 00705643 Dichanthelium acuminatum implicatum (Scribner) Freckmann & Lelong USA: Maine Grand Lake Stream C. H. Knowlton 1938-8-17
NEBC: 00635676 Dichanthelium boreale (Nash) Freckmann USA: Maine T26 MD C. H. Knowlton 1938-8-11
NEBC: 00855727 Eragrostis capillaris (Linnaeus) Nees USA: Massachusetts Hingham: Hingham C. H. Knowlton 1938-9-5
NEBC: 00878697 Glyceria borealis (Nash) Batchelder USA: Vermont North Hero: North Hero C. H. Knowlton 1938-7-19
NEBC: 00859300 Glyceria canadensis (Michaux) Trinius USA: Maine T26 MD C. H. Knowlton 1938-8-11
NEBC: 00817621 Leersia oryzoides (Linnaeus) Swartz USA: Vermont Castleton: Castleton C. H. Knowlton 1938-8-25
NEBC: 00817649 Leersia virginica Willdenow USA: Vermont South Hero: South Hero C. H. Knowlton 1938-7-17
NEBC: 00864812 Muhlenbergia mexicana (Linnaeus) Trinius USA: Maine Indiantown C. H. Knowlton 1938-8-17
NEBC: 00864949 Muhlenbergia mexicana (Linnaeus) Trinius USA: Vermont Castleton: Castleton C. H. Knowlton 1938-8-24
NEBC: 01026975 Muhlenbergia uniflora (Muhlenberg) Fernald USA: Maine Marion C. H. Knowlton 1938-8-9
NEBC: 00855968 Muhlenbergia uniflora (Muhlenberg) Fernald USA: New Hampshire Sandwich: Sandwich C. H. Knowlton 1938-8-23
NEBC: 00689178 Panicum tuckermanii Fernald USA: Maine C. H. Knowlton 1938-8-11
NEBC: 00689179 Panicum tuckermanii Fernald USA: Maine Grand Lake Stream C. H. Knowlton 1938-8-17
NEBC: 00689219 Panicum tuckermanii Fernald USA: Vermont Castleton: Castleton C. H. Knowlton 1938-8-24
NEBC: 01148490 Poa palustris Linnaeus USA: Maine Grand Lake Stream C. H. Knowlton 1938-8-17
NEBC: 00879462 Sporobolus vaginiflorus (Torrey) Alph. Wood USA: Vermont Castleton: Castleton C. H. Knowlton 1938-8-25
Polemoniaceae
NEBC: 00592511 Phlox subulata Linnaeus USA: Vermont Fairlee: Fairlee C. H. Knowlton 1938-5-17
Polygonaceae
NEBC: 00749597 Polygonum aviculare depressum (Meisner) Arcangeli USA: Maine Grand Lake Stream C. H. Knowlton 1938-8-17
NEBC: 00645087 Polygonum careyi Olney USA: Maine T19 ED C. H. Knowlton 1938-8-11
NEBC: 00645203 Polygonum cilinode Michaux USA: Maine T26 MD C. H. Knowlton 1938-8-11
NEBC: 00645737 Polygonum hydropiper Linnaeus USA: Maine T19 ED C. H. Knowlton 1938-8-11
NEBC: 00552063 Polygonum hydropiperoides Michaux USA: Massachusetts Dover: Dover C. H. Knowlton 1938-9-19
NEBC: 00552421 Polygonum persicaria Linnaeus USA: Maine Meddybemps: Meddybemps C. H. Knowlton 1938-8-16
NEBC: 00552423 Polygonum persicaria Linnaeus USA: Maine T26MD C. H. Knowlton 1938-8-11
NEBC: 00552425 Polygonum persicaria Linnaeus USA: Maine T19ED C. H. Knowlton 1938-8-11
NEBC: 00729168 Polygonum sagittatum Linnaeus USA: Maine T26 MD C. H. Knowlton 1938-8-11
NEBC: 00501706 Rumex acetosella Linnaeus USA: Maine Avon: Avon C. H. Knowlton 1938-6-17
NEBC: 00501715 Rumex acetosella Linnaeus USA: Maine T19ED C. H. Knowlton 1938-8-11
NEBC: 00650481 Rumex verticillatus Linnaeus USA: Vermont Weybridge: Weybridge C. H. Knowlton 1938-7-15
Potamogetonaceae
NEBC: 00712069 Potamogeton pusillus tenuissimus Mertens & Koch USA: Maine Grand Lake Stream C. H. Knowlton 1938-8-17
Pteridaceae
NEBC: 00216891 Adiantum pedatum Linnaeus USA: Maine New Vineyard: Ca. 1400 feet C. H. Knowlton 1938-6-18
Ranunculaceae
NEBC: 00561912 Actaea pachypoda Elliott USA: Maine T 19 E. D. C. H. Knowlton 1938-8-11
NEBC: 00562003 Actaea pachypoda Elliott USA: Vermont South Hero: South Hero C. H. Knowlton 1938-7-17
NEBC: 00562017 Actaea pachypoda Elliott USA: Vermont Leicester: Leicester C. H. Knowlton 1938-5-27
NEBC: 01034345 Actaea rubra (Aiton) Willdenow USA: Vermont Milton: Milton C. H. Knowlton 1938-7-17
NEBC: 00759838 Aquilegia vulgaris Linnaeus USA: Maine Avon: Avon C. H. Knowlton 1938-6-17
NEBC: 00553408 Coptis trifolia (Linnaeus) Salisbury USA: Maine Marion C. H. Knowlton 1938-8-9
NEBC: 00692456 Ranunculus flammula Linnaeus USA: Vermont Castleton: Castleton C. H. Knowlton 1938-8-24
GH: 01836944 Ranunculus pedatifidus Smith USA: Colorado Estes Park: by Fall River C. H. Knowlton 1938-6-29
Rosaceae
NEBC: 00649667 Agrimonia gryposepala Wallroth USA: Vermont South Hero: South Hero C. H. Knowlton 1938-7-17
NEBC: 00661565 Amelanchier bartramiana (Tausch) M. Roemer USA: Vermont Greensboro: Greensboro C. H. Knowlton 1938-5-18
NEBC: 00661673 Amelanchier laevis Wiegand USA: Maine New Vineyard: New Vineyard C. H. Knowlton 1938-6-18
NEBC: 00744537 Aronia prunifolia (Marshall) Rehder USA: Maine Meddybemps: Meddybemps C. H. Knowlton 1938-8-16
NEBC: 00653044 Comarum palustre Linnaeus USA: Vermont North Hero: North Hero C. H. Knowlton 1938-7-19
NEBC: 00653045 Comarum palustre Linnaeus USA: Vermont North Hero: North Hero C. H. Knowlton 1938-7-19
NEBC: 00688036 Dalibarda repens Linnaeus USA: Maine C. H. Knowlton 1938-8-11
NEBC: 00710467 Geum macrophyllum Willdenow USA: Vermont Lincoln: Lincoln C. H. Knowlton 1938-7-15
NEBC: 00565504 Geum rivale Linnaeus USA: Maine Farmington: Farmington C. H. Knowlton 1938-6-18
NEBC: 00703190 Malus pumila Miller USA: Vermont Mount Holly: Mount Holly C. H. Knowlton 1938-5-27
NEBC: 00756432 Potentilla simplex Michaux USA: Maine C. H. Knowlton 1938-8-11
NEBC: 00644631 Potentilla tridentata Aiton USA: Maine New Vineyard: New Vineyard C. H. Knowlton 1938-6-18
NEBC: 00644634 Potentilla tridentata Aiton USA: Maine New Vineyard: New Vineyard C. H. Knowlton 1938-6-18
NEBC: 00632950 Prunus pensylvanica Linnaeus f. USA: Maine Avon: Avon C. H. Knowlton 1938-6-17
NEBC: 00742901 Prunus virginiana Linnaeus USA: Maine New Vineyard: New Vineyard C. H. Knowlton 1938-6-18
NEBC: 00743311 Prunus virginiana Linnaeus USA: Maine T26 MD C. H. Knowlton 1938-8-11
NEBC: 00758228 Rosa virginiana Miller USA: Maine Marion C. H. Knowlton 1938-8-9
NEBC: 00763278 Rubus allegheniensis Porter USA: Maine Grand Lake Stream C. H. Knowlton 1938-8-17
NEBC: 00763279 Rubus allegheniensis Porter USA: Maine Grand Lake Stream C. H. Knowlton 1938-8-17
NEBC: 00646174 Rubus canadensis Linnaeus USA: Maine Charlotte: Charlotte C. H. Knowlton 1938-8-16
NEBC: 00646175 Rubus canadensis Linnaeus USA: Maine Charlotte: Charlotte C. H. Knowlton 1938-8-16
NEBC: 00748373 Rubus hispidus Linnaeus USA: Maine T26 MD C. H. Knowlton 1938-8-11
NEBC: 00703787 Rubus idaeus strigosus (Michaux) Maximowicz USA: Maine Edmunds C. H. Knowlton 1938-8-6
NEBC: 00771290 Rubus idaeus strigosus (Michaux) Maximowicz USA: Vermont Lincoln: Lincoln C. H. Knowlton 1938-7-15
NEBC: 00771291 Rubus idaeus strigosus (Michaux) Maximowicz USA: Vermont Lincoln: Lincoln C. H. Knowlton 1938-7-15
NEBC: 00748928 Rubus vermontanus Blanchard USA: Maine Grand Lake Stream C. H. Knowlton 1938-8-17
NEBC: 00703615 Sorbaria sorbifolia (Linnaeus) A. Braun USA: Maine Meddybemps: Meddybemps C. H. Knowlton 1938-8-16
NEBC: 00659439 Spiraea latifolia (Aiton) Borkhausen USA: Vermont Mount Holly: Mount Holly C. H. Knowlton 1938-7-21
Rubiaceae
NEBC: 00484408 Cephalanthus occidentalis Linnaeus USA: Vermont Castleton: Castleton C. H. Knowlton 1938-8-25
NEBC: 00484405 Cephalanthus occidentalis Linnaeus USA: Vermont North Hero: C. H. Knowlton 1938-7-19
NEBC: 00503557 Galium asprellum Michaux USA: Maine T26 ED C. H. Knowlton 1938-8-11
NEBC: 00572964 Galium circaezans Michaux USA: Vermont South Hero: South Hero C. H. Knowlton 1938-7-17
NEBC: 00670937 Galium tinctorium Linnaeus USA: Maine Marion C. H. Knowlton 1938-8-9
NEBC: 00670948 Galium tinctorium Linnaeus USA: Maine T26 ED C. H. Knowlton 1938-8-11
NEBC: 00670949 Galium tinctorium Linnaeus USA: Maine T26 MD C. H. Knowlton 1938-8-11
NEBC: 00866449 Galium tinctorium Linnaeus USA: Vermont North Hero: North Hero C. H. Knowlton 1938-7-19
NEBC: 00866458 Galium tinctorium Linnaeus USA: Vermont Weybridge: Weybridge C. H. Knowlton 1938-7-15
Salicaceae
NEBC: 00580757 Populus alba Linnaeus USA: Massachusetts Hull: Hull C. H. Knowlton 1938-4-11
NEBC: 00580756 Populus alba Linnaeus USA: Massachusetts Quincy: Quincy C. H. Knowlton 1938-5-30
NEBC: 00659200 Populus tremuloides Michaux USA: New Hampshire Croydon: Croydon C. H. Knowlton 1938-5-6
NEBC: 00649150 Populus tremuloides Michaux USA: Massachusetts Hull: Hull C. H. Knowlton 1938-4-11
NEBC: 00644367 Salix discolor Muhlenberg USA: Maine Meddybemps: Meddybemps C. H. Knowlton 1938-8-16
NEBC: 00723372 Salix petiolaris Smith USA: Maine Charlotte: Charlotte C. H. Knowlton 1938-8-16
NEBC: 00723376 Salix petiolaris Smith USA: Maine Grand Lake Stream C. H. Knowlton 1938-8-17
NEBC: 00723391 Salix petiolaris Smith USA: Maine T26 MD C. H. Knowlton 1938-8-22
Saxifragaceae
NEBC: 01017301 Chrysosplenium americanum Schweinitz ex Hooker USA: Maine New Vineyard: New Vineyard C. H. Knowlton 1938-6-18
NEBC: 01017310 Chrysosplenium americanum Schweinitz ex Hooker USA: Maine Marion C. H. Knowlton 1938-8-9
NEBC: 00730985 Ribes triste Pallas USA: Maine New Vineyard: New Vineyard C. H. Knowlton 1938-6-18
NEBC: 00568920 Saxifraga virginiensis Michaux USA: Maine New Vineyard: New Vineyard C. H. Knowlton 1938-6-18
NEBC: 01017430 Tiarella cordifolia Linnaeus USA: Maine Avon: Avon C. H. Knowlton 1938-6-17
Scrophulariaceae
NEBC: 00668966 Mimulus ringens Linnaeus USA: Vermont Castleton: Castleton C. H. Knowlton 1938-8-25
Smilacaceae
NEBC: 00868712 Smilax herbacea Linnaeus USA: Maine Farmington: Farmington C. H. Knowlton 1938-6-18
Solanaceae
NEBC: 00564258 Solanum dulcamara Linnaeus USA: Maine New Vineyard: New Vineyard C. H. Knowlton 1938-6-18
NEBC: 00564320 Solanum dulcamara Linnaeus USA: Vermont Weybridge: Weybridge C. H. Knowlton 1938-7-15
Thelypteridaceae
NEBC: 00701254 Phegopteris connectilis (Michaux) Watt USA: Maine Charlotte: Charlotte C. H. Knowlton 1938-8-26
NEBC: 00701261 Phegopteris connectilis (Michaux) Watt USA: Maine Edmunds C. H. Knowlton 1938-8-6
NEBC: 00631826 Phegopteris hexagonoptera (Michaux) Fée USA: Vermont Leicester: Leicester C. H. Knowlton 1938-7-21
NEBC: 00631996 Thelypteris noveboracensis (Linnaeus) Nieuwland USA: Maine T26 MD C. H. Knowlton 1938-8-11
NEBC: 00708287 Thelypteris palustris pubescens (G. Lawson) Fernald USA: Maine Charlotte: Charlotte C. H. Knowlton 1938-8-16
NEBC: 00708383 Thelypteris palustris pubescens (G. Lawson) Fernald USA: Vermont Castleton: Castleton C. H. Knowlton 1938-8-24
Thymelaeaceae
NEBC: 00754251 Dirca palustris Linnaeus USA: Vermont Leicester: Leicester C. H. Knowlton 1938-5-27
NEBC: 00754258 Dirca palustris Linnaeus USA: Vermont Castleton: Castleton C. H. Knowlton 1938-8-24
Tiliaceae
NEBC: 00679343 Tilia americana Linnaeus USA: Vermont South Hero: South Hero C. H. Knowlton 1938-7-17
Ulmaceae
NEBC: 00721887 Ulmus americana Linnaeus USA: Maine Indiantown C. H. Knowlton 1938-8-17
Urticaceae
NEBC: 00705807 Pilea pumila (Linnaeus) A. Gray USA: Vermont North Castleton C. H. Knowlton 1938-8-24
Violaceae
NEBC: 00565803 Viola blanda Willdenow USA: Maine T25MD C. H. Knowlton 1938-8-11
NEBC: 00565967 Viola blanda Willdenow USA: Vermont Craftsbury: Craftsbury C. H. Knowlton 1938-5-18
NEBC: 00501966 Viola cucullata Aiton USA: Maine Grand Lake C. H. Knowlton 1938-8-7
NEBC: 00501968 Viola cucullata Aiton USA: Maine Marion C. H. Knowlton 1938-8-9
NEBC: 00560869 Viola labradorica Schrank USA: Vermont Fair Haven: Fair Haven C. H. Knowlton 1938-8-24
NEBC: 00715906 Viola pallens (Banks ex Gingins) Brainerd USA: Maine Marion C. H. Knowlton 1938-8-9
NEBC: 00665451 Viola selkirkii Pursh USA: Maine C. H. Knowlton 1938-6-18
NEBC: 00640912 Viola sororia Willdenow USA: Maine C. H. Knowlton 1938-8-11
Woodsiaceae
NEBC: 00695947 Woodsia ilvensis (Linnaeus) R. Brown USA: Maine New Vineyard: New Vineyard C. H. Knowlton 1938-6-18