Harvard University Herbaria & Libraries

Adiantaceae
NEBC: 00681483 Pellaea atropurpurea (Linnaeus) Link USA: Massachusetts Leverett: Leverett C. H. Knowlton 1910-8-8
Alliaceae
NEBC: 00734277 Allium tricoccum Aiton USA: Maine Temple: Temple C. H. Knowlton 1910-8-26
Amaranthaceae
NEBC: 00592001 Amaranthus retroflexus Linnaeus USA: Massachusetts Plymouth: Plymouth C. H. Knowlton 1910-9-11
Anacardiaceae
NEBC: 00660528 Toxicodendron radicans (Linnaeus) Kuntze USA: Massachusetts Topsfield: Topsfield C. H. Knowlton 1910-6-25
NEBC: 00660529 Toxicodendron radicans (Linnaeus) Kuntze USA: Massachusetts Bolton: Bolton C. H. Knowlton 1910-6-17
Apiaceae
NEBC: 01036025 Coelopleurum lucidum (Linnaeus) Fernald USA: Massachusetts Scituate: Scituate C. H. Knowlton 1910-6-5
Aquifoliaceae
NEBC: 00629865 Ilex mucronata (Linnaeus) M. Powell, Savolainen & S. Andrews USA: Maine Roque Bluffs: Roque Bluffs C. H. Knowlton 1910-7-24
Aspleniaceae
NEBC: 00577862 Asplenium rhizophyllum Linnaeus USA: Massachusetts Leverett: Leverett C. H. Knowlton 1910-5-30
NEBC: 00681800 Asplenium ruta-muraria Linnaeus USA: Massachusetts Sunderland: Sunderland C. H. Knowlton 1910-5-30
NEBC: 00681891 Asplenium trichomanes quadrivalens D. E. Meyer USA: Massachusetts Mount Toby C. H. Knowlton 1910-5-30
Asteraceae
NEBC: 00753340 Ageratina altissima (Linnaeus) R. M. King & H. Robinson USA: Massachusetts Leverett: Leverett C. H. Knowlton 1910-8-8
NEBC: 00531436 Anthemis cotula Linnaeus USA: Massachusetts Barnstable Town C. H. Knowlton 1910-7-14
NEBC: 01037382 Bidens cernua Linnaeus USA: Massachusetts Kingston: Kingston C. H. Knowlton 1910-9-11
NEBC: 01017805 Cirsium muticum Michaux USA: Massachusetts Hingham: Hingham C. H. Knowlton 1910-9-18
NEBC: 00680579 Coreopsis rosea Nuttall USA: Massachusetts Plymouth: Plymouth C. H. Knowlton 1910-9-4
NEBC: 01079160 Erigeron pulchellus Michaux USA: Massachusetts Granby: Granby C. H. Knowlton 1910-5-29
NEBC: 00531960 Hieracium aurantiacum Linnaeus USA: Maine Farmington: Farmington C. H. Knowlton 1910-8-24
NEBC: 00587613 Hieracium caespitosum Dumortier USA: Maine Perry: Perry C. H. Knowlton 1910-7-25
NEBC: 01067273 Hieracium gronovii Linnaeus USA: Massachusetts Plymouth: Plymouth C. H. Knowlton 1910-9-4
NEBC: 00833397 Hieracium marianum Willdenow USA: Massachusetts Hingham: Hingham C. H. Knowlton 1910-6-26
NEBC: 01019290 Mikania scandens (Linnaeus) Willdenow USA: Massachusetts Hingham: Hingham C. H. Knowlton 1910-9-18
NEBC: 00575222 Nabalus albus (Linnaeus) Hooker USA: Massachusetts Medford: Medford C. H. Knowlton 1910-9-25
NEBC: 01008931 Packera öve (Muhlenberg ex Willdenow) W. A. Weber & Á. Löve USA: Massachusetts Deerfield: Deerfield C. H. Knowlton 1910-5-28
NEBC: 00718513 Scorzoneroides autumnalis (Linnaeus) Moench USA: Massachusetts Marshfield: Marshfield C. H. Knowlton 1910-7-3
NEBC: 00718527 Scorzoneroides autumnalis (Linnaeus) Moench USA: Massachusetts Nantucket: Nantucket C. H. Knowlton 1910-6-22
NEBC: 01077307 Solidago arguta Aiton USA: Massachusetts Leverett: Leverett C. H. Knowlton 1910-8-8
NEBC: 00501214 Solidago rugosa Miller USA: Massachusetts Plymouth: Plymouth C. H. Knowlton 1910-9-11
NEBC: 00501215 Solidago rugosa Miller USA: Massachusetts Plymouth: Plymouth C. H. Knowlton 1910-9-11
NEBC: 00501388 Solidago rugosa aspera (Aiton) Fernald USA: Massachusetts Hingham: Hingham C. H. Knowlton 1910-9-18
NEBC: 00831934 Symphyotrichum dumosum (Linnaeus) G. L. Nesom USA: Massachusetts Plymouth: Plymouth C. H. Knowlton 1910-9-11
NEBC: 01031409 Symphyotrichum pilosum (Willdenow) G. L. Nesom USA: Massachusetts Hingham: Hingham C. H. Knowlton 1910-9-18
NEBC: 00626355 Taraxacum officinale F. H. Wiggers USA: Massachusetts Weston: Weston C. H. Knowlton 1910-5-11
NEBC: 00718705 Tragopogon pratensis Linnaeus USA: Massachusetts Marshfield: Marshfield C. H. Knowlton 1910-7-3
NEBC: 00735521 Tripleurospermum inodorum (L.) USA: Maine Machias: Machias C. H. Knowlton 1910-7-23
Athyriaceae
NEBC: 00551395 Cystopteris bulbifera (Linnaeus) Bernhardi USA: Massachusetts Sunderland: Sunderland C. H. Knowlton 1910-5-30
NEBC: 00695762 Homalosorus pycnocarpos (Sprengel) Pichi Sermolli USA: Massachusetts Leverett: Leverett C. H. Knowlton 1910-8-8
Berberidaceae
NEBC: 00697920 Caulophyllum thalictroides (Linnaeus) Michaux USA: Massachusetts Mount Toby C. H. Knowlton 1910-5-30
Betulaceae
NEBC: 00634760 Betula papyrifera Marshall USA: Massachusetts Amherst: Amherst C. H. Knowlton 1910-5-29
Boraginaceae
NEBC: 00638578 Hackelia virginiana (Linnaeus) I. M. Johnston USA: Massachusetts Sunderland: Sunderland C. H. Knowlton 1910-8-8
NEBC: 00633104 Symphytum officinale Linnaeus USA: Vermont Temple C. H. Knowlton 1910-8-26
Brassicaceae
NEBC: 01065426 Arabis pycnocarpa M. Hopkins USA: Massachusetts Deerfield: Deerfield C. H. Knowlton 1910-5-28
NEBC: 00757443 Cardamine diphylla (Michaux) Alph. Wood USA: Massachusetts Amherst: Amherst C. H. Knowlton 1910-5-29
NEBC: 00617527 Draba verna Linnaeus USA: Massachusetts Wareham: Wareham C. H. Knowlton 1910-5-2
NEBC: 01023506 Lepidium virginicum Linnaeus USA: Maine Jay: Jay C. H. Knowlton 1910
Caryophyllaceae
NEBC: 00698504 Cerastium arvense Linnaeus USA: Massachusetts Deerfield: Deerfield (Sugarloaf) C. H. Knowlton 1910-5-29
NEBC: 00698504 Cerastium strictum Linnaeus USA: Massachusetts Deerfield: Deerfield (Sugarloaf) C. H. Knowlton 1910-5-29
NEBC: 00525366 Dianthus deltoides Linnaeus USA: Massachusetts Harwich: Harwich C. H. Knowlton 1910-6-23
NEBC: 00693050 Silene antirrhina Linnaeus USA: Massachusetts Granby: Granby C. H. Knowlton 1910-5-30
NEBC: 00693166 Spergularia canadensis (Persoon) G. Don USA: Maine Roque Bluffs: Roque Bluffs C. H. Knowlton 1910-7-20
NEBC: 00753628 Stellaria longifolia Muhlenberg ex Willdenow USA: Massachusetts Deerfield: Deerfield C. H. Knowlton 1910-5-28
Convolvulaceae
NEBC: 00714929 Cuscuta indecora Choisy USA: Massachusetts Plymouth: Plymouth C. H. Knowlton 1910-9-4
Cornaceae
NEBC: 00672570 Cornus rugosa Lamarck USA: Maine Chesterville: Chesterville C. H. Knowlton 1910-8-18
Cyperaceae
NEBC: 00216676 Carex atlantica capillacea (L. H. Bailey) Reznicek USA: Massachusetts Bolton: C. H. Knowlton 1910-6-17
NEBC: 00216623 Carex atlantica capillacea (L. H. Bailey) Reznicek USA: Massachusetts Hingham: C. H. Knowlton 1910-6-26
NEBC: 00218325 Carex bromoides Willdenow USA: Massachusetts Granby: C. H. Knowlton 1910-5-29
NEBC: 00229252 Carex debilis rudgei L. H. Bailey USA: Massachusetts Granby: C. H. Knowlton 1910-5-29
NEBC: 00229872 Carex digitalis digitalis USA: Massachusetts Granby: Mount Norwottuck C. H. Knowlton 1910-5-29
NEBC: 00895744 Carex novae-angliae Schweinitz USA: Massachusetts Norwood: Norwood C. H. Knowlton 1910-5-14
NEBC: 01161535 Carex platyphylla J. Carey USA: Massachusetts Deerfield: Deerfield C. H. Knowlton 1910-5-28
NEBC: 01029139 Carex prasina Wahlenberg USA: Massachusetts Deerfield: Deerfield C. H. Knowlton 1910-5-28
NEBC: 00802031 Carex radiata (Wahlenberg) Small USA: Massachusetts Deerfield: Deerfield C. H. Knowlton 1910-5-28
NEBC: 00892586 Carex retrorsa Schweinitz USA: Vermont Williamstown: Williamstown C. H. Knowlton 1910-8-17
NEBC: 00802351 Carex scabrata Schweinitz USA: Massachusetts Amherst: Amherst C. H. Knowlton 1910-5-29
NEBC: 00874341 Carex sprengelii Dewey ex Sprengel USA: Massachusetts Deerfield: Deerfield C. H. Knowlton 1910-5-28
NEBC: 01029876 Carex stricta Lamarck USA: Massachusetts Amherst: Amherst C. H. Knowlton 1910-5-29
NEBC: 00766629 Carex trisperma Dewey USA: Massachusetts Hingham: Hingham C. H. Knowlton 1910-6-26
NEBC: 01042885 Cyperus grayi Torrey USA: Massachusetts Plymouth: Plymouth C. H. Knowlton 1910-9-4
NEBC: 01061614 Cyperus lupulinus macilentus (Fernald) Marcks USA: Massachusetts Plymouth: Plymouth C. H. Knowlton 34 1910-9-4
NEBC: 01048192 Cyperus strigosus Linnaeus USA: Massachusetts Kingston: Kingston C. H. Knowlton 1910-9-11
NEBC: 00770556 Eleocharis obtusa (Willdenow) Schultes USA: Maine Jay: Jay C. H. Knowlton 1910-8-15
NEBC: 00717715 Eleocharis obtusa (Willdenow) Schultes USA: Massachusetts Marshfield: Marshfield C. H. Knowlton 1910-7-3
NEBC: 00766836 Eriophorum vaginatum Linnaeus USA: Massachusetts Bolton: Bolton C. H. Knowlton 1910-6-17
NEBC: 01058061 Fimbristylis autumnalis (Linnaeus) Roemer & Schultes USA: Massachusetts C. H. Knowlton 1910-2-26
NEBC: 01160296 Scirpus cyperinus (Linnaeus) Kunth USA: Massachusetts Hingham: Hingham C. H. Knowlton 1910-9-18
NEBC: 01160297 Scirpus cyperinus (Linnaeus) Kunth USA: Massachusetts Hingham: Hingham C. H. Knowlton 1910-9-18
NEBC: 01160626 Scirpus hattorianus Makino USA: Maine Jay: Jay C. H. Knowlton 1910-8-15
NEBC: 01160842 Scirpus pedicellatus Fernald USA: Maine Jay: Jay C. H. Knowlton 1910-8-15
NEBC: 00807375 Scirpus pungens Vahl USA: Massachusetts Plymouth: Plymouth C. H. Knowlton 1910-9-4
NEBC: 00854268 Scirpus torreyi Olney USA: Maine Jay: Jay C. H. Knowlton 1910-8-15
Dryopteridaceae
NEBC: 00551180 Dryopteris goldiana (Hooker) A. Gray USA: Maine Temple: Temple C. H. Knowlton 1910-8-26
NEBC: 00551181 Dryopteris goldiana (Hooker) A. Gray USA: Maine Temple: Temple C. H. Knowlton 1910-8-26
GH: 00551295 Dryopteris goldiana (Hooker) A. Gray USA: Massachusetts Leverett: Leverett C. H. Knowlton 1910-8-8
Fabaceae
NEBC: 00586548 Trifolium dubium Sibthorp USA: Massachusetts Harwich: Harwich C. H. Knowlton 1910-6-18
NEBC: 00751060 Vicia villosa Roth USA: Massachusetts Marshfield: Marshfield C. H. Knowlton 1910-7-3
Fagaceae
NEBC: 00662828 Quercus montana Willdenow USA: Massachusetts Granby: Granby C. H. Knowlton 1910-5-29
Gentianaceae
NEBC: 00726424 Bartonia virginica (Linnaeus) Britton, Stearn & Poggenburg USA: Massachusetts Sunderland: Sunderland C. H. Knowlton 1910-8-8
Geraniaceae
NEBC: 00751106 Geranium pusillum Linnaeus USA: Massachusetts Nantucket: Nantucket C. H. Knowlton 1910-6-22
NEBC: 01028972 Geranium robertianum Linnaeus USA: Massachusetts Mount Toby C. H. Knowlton 1910-5-30
Haloragaceae
NEBC: 00712305 Myriophyllum pinnatum (Walter) Britton USA: Massachusetts Plymouth: Plymouth C. H. Knowlton 1910-9-4
Hamamelidaceae
NEBC: 00730448 Hamamelis virginiana Linnaeus USA: Massachusetts Leverett: Leverett C. H. Knowlton 1910-5-30
Hypericaceae
NEBC: 00773190 Hypericum ellipticum Hooker USA: Maine Roque Bluffs: Roque Bluffs C. H. Knowlton 1910-7-31
NEBC: 00715575 Hypericum mutilum Linnaeus USA: Massachusetts Hingham: Hingham C. H. Knowlton 1910-9-18
NEBC: 00774900 Triadenum fraseri (Spach) Gleason USA: Maine Roque Bluffs: Roque Bluffs C. H. Knowlton 1910
Juncaceae
NEBC: 01178583 Juncus conglomeratus Linnaeus USA: Maine Machias: Machias C. H. Knowlton 1910-7-23
NEBC: 00835907 Juncus effusus solutus Fernald & Wiegand USA: Maine Jay: Jay C. H. Knowlton 1910-8-15
NEBC: 00860860 Juncus pylaei Laharpe USA: Maine Jay: Jay C. H. Knowlton 1910-8-15
NEBC: 00878875 Juncus pylaei Laharpe USA: Massachusetts Sunderland: Sunderland C. H. Knowlton 1910-8-8
Lamiaceae
NEBC: 00656187 Clinopodium vulgare Linnaeus USA: Massachusetts Sunderland: Sunderland C. H. Knowlton 1910-8-8
NEBC: 00696886 Lycopus uniflorus Michaux USA: Maine Jay: Jay C. H. Knowlton 1910-8-15
NEBC: 00762430 Scutellaria lateriflora Linnaeus USA: Massachusetts Mount Toby C. H. Knowlton 1910-8-8
NEBC: 00602442 Stachys palustris Linnaeus USA: Maine Robbinston: Robbinston C. H. Knowlton 1910-7-16
GH: 00602443 Stachys palustris Linnaeus USA: Maine Robbinston: Robbinston C. H. Knowlton 1910-7-26
NEBC: 00602444 Stachys palustris Linnaeus USA: Maine Robbinston: Robbinston C. H. Knowlton 1910-7-26
Lentibulariaceae
NEBC: 00731551 Utricularia gibba Linnaeus USA: Massachusetts Plymouth: Plymouth C. H. Knowlton 1910-9-11
Lycopodiaceae
NEBC: 00772753 Lycopodium lagopus (Laestadius ex C. Hartman) G. Zinserling ex Kuzeneva USA: Massachusetts Sunderland: Sunderland C. H. Knowlton 1910-8-8
Nymphaeaceae
NEBC: 01014141 Nuphar variegata Engelmann ex Durand USA: Massachusetts Hingham: Hingham C. H. Knowlton 1910-6-26
NEBC: 01014166 Nuphar variegata Engelmann ex Durand USA: Massachusetts Leverett: Leverett C. H. Knowlton 1910-5-30
Onagraceae
NEBC: 01057894 Epilobium strictum Muhlenberg USA: Massachusetts Sunderland: Sunderland C. H. Knowlton 1910-8-8
NEBC: 01026727 Oenothera biennis Linnaeus USA: Maine Jay: Jay C. H. Knowlton 1910-8-15
NEBC: 01026457 Oenothera biennis Linnaeus USA: Massachusetts Hingham: Hingham C. H. Knowlton 1910-9-18
Orchidaceae
NEBC: 00463709 Calopogon tuberosus (Linnaeus) Britton, Stearn & Poggenburg USA: Maine Roque Bluffs: Roque Bluffs C. H. Knowlton 1910-7-20
NEBC: 01021094 Corallorhiza trifida Châtelain USA: Massachusetts Norwood: Norwood C. H. Knowlton 1910-5-14
NEBC: 01056323 Platanthera orbiculata (Pursh) Lindley USA: Massachusetts Leverett: Leverett C. H. Knowlton 1910-8-8
Oxalidaceae
NEBC: 01028715 Oxalis dillenii Jacquin USA: Massachusetts Scituate: Scituate C. H. Knowlton 1910-6-5
Papaveraceae
NEBC: 00643915 Eschscholzia californica Chamisso USA: Massachusetts Boston: Boston, Fenway C. H. Knowlton 1910-9-6
Poaceae
NEBC: 00611674 Aira caryophyllea Linnaeus USA: Massachusetts Nantucket: Nantucket C. H. Knowlton 1910-6-23
NEBC: 00635232 Andropogon virginicus abbreviatus (Hackel) Fernald & Griscom USA: Massachusetts Kingston: Kingston C. H. Knowlton 1910-9-11
NEBC: 00865453 Bromus kalmii A. Gray USA: Massachusetts Sunderland: Sunderland C. H. Knowlton 1910-8-8
NEBC: 00880153 Bromus latiglumis (Shear) Hitchcock USA: Massachusetts Mount Toby C. H. Knowlton 1910-8-8
NEBC: 00880213 Bromus ramosus Hudson USA: Maine Farmington: Farmington C. H. Knowlton 1910-8-24
NEBC: 00878228 Cinna arundinacea Linnaeus USA: Massachusetts Hingham: Hingham C. H. Knowlton 1910-9-18
NEBC: 00878320 Cinna latifolia (Treviranus ex Göppert) Grisebach USA: Maine Farmington: Farmington C. H. Knowlton 1910-8-24
NEBC: 00835822 Cinna latifolia (Treviranus ex Göppert) Grisebach USA: Massachusetts Mount Toby C. H. Knowlton 1910-8-8
NEBC: 01174943 Danthonia compressa Austin USA: Massachusetts Marshfield: Marshfield C. H. Knowlton 1910-7-3
NEBC: 00768717 Dichanthelium acuminatum implicatum (Scribner) Freckmann & Lelong USA: Massachusetts Hingham: Hingham C. H. Knowlton 1910-9-18
NEBC: 00609431 Digitaria ischaemum (Schreber) Muhlenberg USA: Maine Strong: Strong C. H. Knowlton 1910-8-26
NEBC: 00609568 Digitaria sanguinalis (Linnaeus) Scopoli USA: Massachusetts Hingham: Hingham C. H. Knowlton 1910-9-10
NEBC: 00594096 Echinochloa crus-galli (Linnaeus) P. Beauvois USA: Maine Farmington: Farmington C. H. Knowlton 1910-8-19
NEBC: 00879182 Eragrostis pectinacea (Michaux) Steudel USA: Massachusetts Hingham: Hingham C. H. Knowlton 1910-9-10
NEBC: 00613693 Festuca rubra commutata Gaudin USA: Massachusetts Bourne: Bourne C. H. Knowlton 1910-6-21
NEBC: 01148127 Glyceria septentrionalis Hitchcock USA: Massachusetts Marshfield: Marshfield C. H. Knowlton 1910-6-26
NEBC: 00613785 Holcus lanatus Linnaeus USA: Massachusetts Plymouth: Plymouth C. H. Knowlton 1910-6-5
NEBC: 00613243 Hordeum jubatum Linnaeus USA: Maine Machias: Machias C. H. Knowlton 1910-7-31
NEBC: 00864837 Muhlenbergia mexicana (Linnaeus) Trinius USA: Maine Jay: Jay C. H. Knowlton 1910-8-15
NEBC: 01151955 Panicum dichotomiflorum Michaux USA: Massachusetts Plymouth: Plymouth C. H. Knowlton 1910-9-4
NEBC: 01149916 Poa alsodes A. Gray USA: Massachusetts Mount Toby C. H. Knowlton 1910-5-30
NEBC: 01148500 Poa palustris Linnaeus USA: Maine Roque Bluffs: Roque Bluffs C. H. Knowlton 1910-7-31
NEBC: 00595821 Schedonorus pratensis (Hudson) P. Beauvois USA: Massachusetts Bourne: Bourne C. H. Knowlton 1910-6-21
NEBC: 00598349 Setaria verticillata (Linnaeus) P. Beauvois USA: Massachusetts Boston: Boston, Fenway C. H. Knowlton 1910-9-6
NEBC: 00614448 Sorghum bicolor (Linnaeus) Moench USA: Massachusetts Plymouth: Plymouth C. H. Knowlton 1910-9-11
NEBC: 00700181 Sphenopholis obtusata (Michaux) Scribner USA: Massachusetts Granby: Granby C. H. Knowlton 1910-5-29
NEBC: 00700182 Sphenopholis obtusata (Michaux) Scribner USA: Massachusetts Granby: Granby C. H. Knowlton 1910-5-29
NEBC: 00879612 Triplasis purpurea (Walter) Chapman USA: Massachusetts Plymouth: Plymouth C. H. Knowlton 1910-9-4
Polygonaceae
NEBC: 00645200 Polygonum cilinode Michaux USA: Maine Perry: Perry C. H. Knowlton 1910-7-25
NEBC: 00630553 Polygonum hydropiper Linnaeus USA: Massachusetts Hingham: Hingham C. H. Knowlton 1910-9-18
NEBC: 00689309 Polygonum puritanorum Fernald USA: Massachusetts Plymouth: Plymouth C. H. Knowlton 1910-9-4
NEBC: 00759452 Rumex crispus Linnaeus USA: Massachusetts Duxbury: Duxbury C. H. Knowlton 1910-7-3
Primulaceae
NEBC: 00563603 Lysimachia nummularia Linnaeus USA: Massachusetts Mt. Toby C. H. Knowlton 1910-5-30
Ranunculaceae
NEBC: 00561906 Actaea pachypoda Elliott USA: Maine Day Mt. C. H. Knowlton 1910-8-26
NEBC: 00753854 Anemone virginiana Linnaeus USA: Massachusetts Mount Toby C. H. Knowlton 1910-5-30
NEBC: 00753857 Anemone virginiana Linnaeus USA: Massachusetts Mount Toby C. H. Knowlton 1910-5-30
NEBC: 00485303 Aquilegia canadensis Linnaeus USA: Maine Canton: Canton C. H. Knowlton 1910-8-15
NEBC: 00517491 Ranunculus fascicularis Muhlenberg ex Bigelow USA: Massachusetts Deerfield: Deerfield C. H. Knowlton 1910-5-28
NEBC: 00753977 Ranunculus flammula filiformis (Michaux) Hooker USA: Maine Farmington: Farmington C. H. Knowlton 1910-8-21
Rosaceae
NEBC: 00649719 Agrimonia gryposepala Wallroth USA: Massachusetts Mount Toby C. H. Knowlton 1910-8-8
NEBC: 00649867 Agrimonia striata Michaux USA: Maine Perry: Perry C. H. Knowlton 1910-7-25
NEBC: 00649875 Agrimonia striata Michaux USA: Maine Fayette: Fayette C. H. Knowlton 1910-8-18
NEBC: 00694040 Crataegus flavida Sargent USA: Massachusetts Granby: Granby C. H. Knowlton 1910-5-29
NEBC: 00703054 Crataegus monogyna Jacquin USA: Massachusetts Hingham: Hingham C. H. Knowlton 1910-10-9
NEBC: 00768140 Crataegus stonei Sargent USA: Massachusetts Leverett: Leverett C. H. Knowlton 1910-5-30
NEBC: 00724596 Geum laciniatum Murray USA: Massachusetts Topsfield: Topsfield C. H. Knowlton 1910-6-25
NEBC: 00710691 Potentilla canadensis Linnaeus USA: Massachusetts Scituate: Scituate C. H. Knowlton 1910-6-5
NEBC: 00644467 Potentilla simplex Michaux USA: Massachusetts Scituate: Scituate C. H. Knowlton 1910-6-5
NEBC: 00644533 Potentilla simplex Michaux USA: Massachusetts Granby: Granby C. H. Knowlton 1910-5-29
NEBC: 00524896 Rosa rubiginosa Linnaeus USA: Massachusetts Bolton: Bolton C. H. Knowlton 1910-6-17
NEBC: 00644840 Rosa virginiana Miller USA: Massachusetts Bolton: Bolton C. H. Knowlton 1910-6-17
NEBC: 00758760 Rubus canadensis Linnaeus USA: Maine Avon: Avon C. H. Knowlton 1910-8-26
NEBC: 00651674 Rubus odoratus Linnaeus USA: Massachusetts Leverett: Leverett C. H. Knowlton 1910-8-8
Rubiaceae
NEBC: 00698043 Galium palustre Linnaeus USA: Massachusetts Marshfield: Marshfield C. H. Knowlton 1910-7-3
NEBC: 00707279 Galium pilosum Aiton USA: Massachusetts Plymouth: Plymouth C. H. Knowlton 1910-9-11
Salicaceae
NEBC: 00659796 Populus balsamifera Linnaeus USA: Maine Avon: Avon C. H. Knowlton 1910-8-26
NEBC: 00688473 Populus deltoides Marsh USA: Massachusetts Deerfield: Deerfield C. H. Knowlton 1910-5-28
NEBC: 00688512 Populus grandidentata Michaux USA: Maine Temple: Temple C. H. Knowlton 1910-8-26
NEBC: 00758103 Salix humilis Marshall USA: Maine Fayette: Fayette C. H. Knowlton 1910-8-18
NEBC: 00748619 Salix sericea Marshall USA: Maine Strong: Strong C. H. Knowlton 1910
Saxifragaceae
NEBC: 01028614 Mitella diphylla Linnaeus USA: Massachusetts Amherst: Amherst C. H. Knowlton 1910-5-29
NEBC: 01038964 Tiarella cordifolia Linnaeus USA: Massachusetts Leverett: Leverett C. H. Knowlton 1910-5-30
Scrophulariaceae
NEBC: 00655134 Verbascum blattaria Linnaeus USA: Massachusetts Sunderland: Sunderland C. H. Knowlton 1910-8-8
Smilacaceae
NEBC: 01030290 Smilax glauca Walter USA: Massachusetts Norwell: Norwell C. H. Knowlton 1910-6-26
Staphyleaceae
NEBC: 00752316 Staphylea trifolia Linnaeus USA: Massachusetts Leverett: Leverett C. H. Knowlton 1910-8-8
Ulmaceae
NEBC: 00721787 Celtis occidentalis Linnaeus USA: Massachusetts Deerfield: Deerfield C. H. Knowlton 1910-5-28
Violaceae
NEBC: 00504236 Viola cucullata Aiton USA: Massachusetts Norwood: Norwood C. H. Knowlton 1910-5-14
NEBC: 00569443 Viola lanceolata Linnaeus USA: Massachusetts Norwood: Norwood C. H. Knowlton 1910-5-20
NEBC: 00773354 Viola pedata Linnaeus USA: Massachusetts Leverett: Leverett C. H. Knowlton 1910-5-30
NEBC: 00767552 Viola primulifolia acuta (Bigelow) Torr. & A. Gray USA: Massachusetts Norwood: Norwood C. H. Knowlton 1910-5-20
NEBC: 00649319 Viola sororia Willdenow USA: Massachusetts Bolton: Bolton C. H. Knowlton 1910-6-17