Skip to main content
FACULTY OF ARTS AND SCIENCES
|
HARVARD.EDU
Harvard University Herbaria & Libraries
Contact
Visit
Databases
Search
Collections
Herbaria
Digital Resources
Use Policies
Research
Taxonomy
Floristics & Monography
Plant & Fungal Phylogenetics
Paleobotany
Plant Speciation and Local Adaptation
Forest Ecosystem Carbon Dynamics
Publications
About HPB
Orders & Access
For Authors
Libraries
Libraries' Collections
Harvard's Online Library Catalog (HOLLIS)
Archives Collections
Digital Collections
Use of the Libraries
Hours
Resources
Services
Permissions
Libraries Staff
Online Exhibits
News & Events
News
Events
People
About
Visit
Contact
History
Search Hints
Use Policy
Botanists
Publications
Specimens
Images
Taxa
Hu Cards
ECON Artifacts
Contribute
Comments
Index of Botanical Specimens
Search for collector:[R. A. Clark & F. C. Seymour]
= with images
<<
< Previous
Asteraceae
GH: 01053792
Antennaria parlinii fallax
(Greene) Bayer & Stebbins USA: Massachusetts Ludlow: Ludlow R. A. Clark & F. C. Seymour 709 1929-6-3
GH: 01028824
Hieracium gronovii
Linnaeus USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour 712 1928-9-24
NEBC: 00680428
Krigia virginica
(Linnaeus) Willdenow USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour C965 1930-7-1
GH: 00680431
Krigia virginica
(Linnaeus) Willdenow USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour C965 1930-7-1
GH: 00680432
Krigia virginica
(Linnaeus) Willdenow USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour G965 1930-7-1
GH: 00833900
Lactuca biennis
(Moench) Fernald USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour 710 1928-9-24
GH: 01055308
Solidago canadensis
Linnaeus USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour 706 1928-9-24
Boraginaceae
GH: 00638584
Hackelia virginiana
(Linnaeus) I. M. Johnston USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour 696 1929-7-23
Caprifoliaceae
GH: 00713918
Lonicera villosa
(Michaux) Roemer & Schultes USA: Massachusetts Ludlow: Ludlow R. A. Clark & F. C. Seymour 703 1929-6-3
GH: 00725064
Triosteum aurantiacum
E. P. Bicknell USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour 739 1926-9-11
Caryophyllaceae
GH: 00755586
Moehringia lateriflora
(Linnaeus) Fenzl USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour 668 1928-6-5
Chenopodiaceae
GH: 00598892
Chenopodium berlandieri bushianum
(Aellen) Cronquist USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour 723 1929-9-24
Convolvulaceae
GH: 00714855
Cuscuta gronovii
Willdenow ex Roemer & Schultes USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour G877 1929-9-24
NEBC: 00714856
Cuscuta gronovii
Willdenow ex Roemer & Schultes USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour G877 1929-9-24
Cornaceae
GH: 00773532
Cornus alternifolia
Linnaeus f. USA: Massachusetts Ludlow: Ludlow R. A. Clark & F. C. Seymour 685 1929-6-3
GH: 00502647
Cornus rugosa
Lamarck USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour 596 1926-9-11
Cyperaceae
GH: 02392664
Carex exilis
Dewey USA: Massachusetts Wilbraham: Pole Ridge Swamp R. A. Clark & F. C. Seymour 647 1928-6-5
NEBC: 00248006
Carex gracillima
Schweinitz USA: Massachusetts Ludlow: Springfield Reservoir R. A. Clark & F. C. Seymour G700 1929-6-3
GH: 00299240
Carex intumescens
Rudge USA: Massachusetts Wilbraham: Along No. Branch of Mill R R. A. Clark & F. C. Seymour G866 1929-9-24
GH: 00299520
Carex lacustris
Willdenow USA: Massachusetts Wilbraham: Pole Ridge Swamp R. A. Clark & F. C. Seymour 657 1928-7-18
NEBC: 00807257
Carex normalis
Mackenzie USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour G942 1930-7-1
GH: 01060860
Carex umbellata
Schkuhr ex Willdenow USA: Massachusetts Springfield: Springfield R. A. Clark & F. C. Seymour 650 1928-5-18
NEBC: 01042241
Cladium mariscoides
(Muhlenberg) Torrey USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour 643 1929-7-23
GH: 01043924
Cyperus esculentus
Linnaeus USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour 639 1929-7-23
GH: 01048300
Cyperus strigosus
Linnaeus USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour 720 1929-9-24
GH: 01060285
Eriophorum alpinum
Linnaeus USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour 641 1928-6-5
GH: 01058168
Fimbristylis autumnalis
(Linnaeus) Roemer & Schultes USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour G862 1929-9-24
NEBC: 01058169
Fimbristylis autumnalis
(Linnaeus) Roemer & Schultes USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour G862 1929-9-24
GH: 00894788
Scirpus atrovirens
Muhlenberg USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour 642 1929-7-23
GH: 00339670
Scirpus planifolius
Muhlenberg USA: Massachusetts Wilbraham: Wilbraham Mt. R. A. Clark & F. C. Seymour 640 1928-6-5
GH: 00339670
Trichophorum planifolium
(Sprengel) Palla USA: Massachusetts Wilbraham: Wilbraham Mt. R. A. Clark & F. C. Seymour 640 1928-6-5
Dryopteridaceae
GH: 00704458
Dryopteris cristata
(Linnaeus) A. Gray USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour 716 1929-9-24
Equisetaceae
GH: 00654182
Equisetum sylvaticum
Linnaeus USA: Massachusetts Ludlow: Ludlow R. A. Clark & F. C. Seymour 623 1929-6-8
Ericaceae
GH: 00563858
Pyrola chlorantha
Swartz USA: Massachusetts Ludlow: Ludlow R. A. Clark & F. C. Seymour 687 1929-6-3
GH: 00519808
Vaccinium corymbosum
Linnaeus USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour G1018 1930-7-23
GH: 00517163
Vaccinium pallidum
Aiton USA: Massachusetts Springfield: Springfield R. A. Clark & F. C. Seymour G597 1928-5-18
Euphorbiaceae
GH: 01078249
Acalypha gracilens
A. Gray USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour 682 1928-9-24
GH: 01078250
Acalypha gracilens
A. Gray USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour 682 1928-9-24
Fabaceae
GH: 00654485
Desmodium glutinosum
(Muhlenberg ex Willdenow) Alph. Wood USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour G325 1926-9-11
GH: 00639232
Desmodium rotundifolium
(Michaux) de Candolle USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour 591 1926-9-11
GH: 00711722
Lespedeza hirta
Elliott USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour 590 1926-9-11
Fagaceae
GH: 00567297
Quercus bicolor
Willdenow USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour 722 1929-9-24
Gentianaceae
GH: 00574880
Menyanthes trifoliata minor
Rafinesque USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour 694 1928-6-5
Hypericaceae
GH: 00715623
Hypericum mutilum
Linnaeus USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour G756 1929-8-13
Lentibulariaceae
GH: 00568270
Utricularia cornuta
Michaux USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour 698 1929-8-13
GH: 00731769
Utricularia intermedia
Hayne USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour G766 1929-8-13
GH: 00731770
Utricularia intermedia
Hayne USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour 701 1929-7-23
GH: 00736220
Utricularia minor
Linnaeus USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour 743 1928-6-5
GH: 00736469
Utricularia vulgaris macrorhiza
(Leconte) R.T. Clausen USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour 702 1928-7-18
Liliaceae
GH: 00575987
Trillium cernuum
Linnaeus USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour 627 1929-8-13
Loranthaceae
GH: 00686011
Arceuthobium pusillum
Peck USA: Massachusetts Springfield: Springfield R. A. Clark & F. C. Seymour G586 1928-5-18
NEBC: 00686014
Arceuthobium pusillum
Peck USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour G1010 1930-7-23
Onagraceae
GH: 01041064
Epilobium coloratum
Biehler USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour 725 1929-9-24
GH: 01040858
Epilobium leptophyllum
Rafinesque USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour 631 1929-8-13
NEBC: 01040859
Epilobium leptophyllum
Rafinesque USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour G1017 1930-7-23
Orchidaceae
GH: 00728523
Galearis spectabilis
(Linnaeus) Rafinesque USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour 740 1928-6-5
AMES: 00569924
Pogonia ophioglossoides
(Linnaeus) Ker Gawler USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour 663 1928-7-18
AMES: 00569925
Pogonia ophioglossoides
(Linnaeus) Ker Gawler USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour 629 1929-8-13
Parnassiaceae
GH: 01078917
Parnassia glauca
Rafinesque USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour 592 1926-9-11
Plantaginaceae
NEBC: 00729752
Veronicastrum virginicum
(Linnaeus) Farwell USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour 595 1926-9-11
Poaceae
NEBC: 01045153
Calamagrostis canadensis
(Michaux) P. Beauvois USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour Q1004 1930-7-23
GH: 01174973
Danthonia compressa
Austin USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour 635 1929-7-23
NEBC: 00855087
Dichanthelium latifolium
(Linnaeus) Harvill USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour G935 1930-7-1
NEBC: 00875531
Dichanthelium oligosanthes scribnerianum
(Nash) Freckmann & Lelong USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour G933 1930-7-1
GH: 00864755
Muhlenbergia glomerata
(Willdenow) Trinius USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour 634 1928-9-24
GH: 00722442
Muhlenbergia sobolifera
(Muhlenberg ex Willdenow) Trinius USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour 589 1926-9-11
NEBC: 00611898
Phalaris arundinacea
Linnaeus USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour G936 1930-7-1
GH: 01148739
Poa saltuensis
Fernald & Wiegand USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour 637 1928-6-5
Potamogetonaceae
NEBC: 00700684
Potamogeton pusillus tenuissimus
Mertens & Koch USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour G721 1929-7-23
Primulaceae
GH: 00572608
Lysimachia thyrsiflora
Linnaeus USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour 693 1928-7-18
Ranunculaceae
GH: 00552737
Thalictrum dioicum
Linnaeus USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour 671 1928-6-5
GH: 00552738
Thalictrum dioicum
Linnaeus USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour 671 1928-6-5
Rosaceae
GH: 00742838
Prunus susquehanae
Willdenow USA: Massachusetts Springfield: Springfield R. A. Clark & F. C. Seymour 678 1928-5-18
Rubiaceae
GH: 00670666
Galium boreale
Linnaeus USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour 732 1929-8-13
GH: 00755094
Galium obtusum
Bigelow USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour 742 1929-8-13
Salicaceae
GH: 00769482
Salix humilis tristis
(Aiton) Griggs USA: Massachusetts Springfield: Springfield R. A. Clark & F. C. Seymour 664 1928-5-18
Santalaceae
GH: 00575473
Comandra umbellata
(Linnaeus) Nuttall USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour 666 1928-6-5
Schizaeaceae
GH: 00677788
Lygodium palmatum
(Bernhardi) Swartz USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour 619 1928-7-18
Solanaceae
GH: 00630063
Physalis heterophylla
Nees USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour 741 1928-9-24
Staphyleaceae
GH: 00752339
Staphylea trifolia
Linnaeus USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour 593 1926-9-11
Tiliaceae
NEBC: 00733199
Tilia americana
Linnaeus USA: Massachusetts Wilbraham: Wilbraham R. A. Clark & F. C. Seymour G956 1930-7-1
Violaceae
GH: 00773610
Viola pedata
Linnaeus USA: Massachusetts Springfield: Springfield R. A. Clark & F. C. Seymour 683 1928-5-18
<<
< Previous