Harvard University Herbaria & Libraries

Aceraceae
GH: 01791730 Acer negundo Linnaeus USA: Maryland Near Plummer Island. S. F. Blake 9336 1926-4-25
GH: 01793663 Acer rubrum trilobum K. Koch USA: Maryland Hyattsville. S. F. Blake 9547 1926-7-12
A: 01793664 Acer rubrum trilobum K. Koch USA: Maryland Hyattsville S. F. Blake 9547 1926-7-12
Araceae
GH: 01654388 Arisaema triphyllum pusillum (Peck) Huttleston USA: Maryland Near Cabin John S. F. Blake 9372 1926-5-9
Aristolochiaceae
GH: 01682050 Asarum canadense Linnaeus USA: Maryland [data not captured] S. F. Blake 9332 1926-4-25
Asclepiadaceae
GH: 00961133 Asclepias purpurascens Linnaeus USA: Maryland Near Cabin John. S. F. Blake 9471 1926-6-19
Asteraceae
GH: 01924672 Ageratina aromatica (Linnaeus) Spach USA: Maryland Near Cabin John. S. F. Blake 9711 1926-9-19
GH: 01028004 Bidens frondosa Linnaeus USA: Massachusetts Hull: Hull, near Gun Rock, Nantasket S. F. Blake 9650 1926-9-6
GH: 00004151 Bidens mariana S. F. Blake USA: Maryland Sandy shore of Northeast River, near Carpent... S. F. Blake 9698 1926-9-17
GH: 00004152 Bidens mariana S. F. Blake USA: Maryland Sandy shore of Northeast River, near Carpent... S. F. Blake 9698 1926-9-17
GH: 02215056 Boltonia asteroides (Linnaeus) L'Heritier USA: Maryland [data not captured] S. F. Blake 9704 1926-9-17
GH: 01923242 Brickellia eupatorioides (Linnaeus) Shinners USA: Maryland Near Glen Echo. S. F. Blake 9736 1926-10-5
GH: 02020284 Cirsium arvense (Linnaeus) Scopoli USA: Maryland [data not captured] S. F. Blake 9503 1926-6-26
GH: 02020632 Cirsium discolor (Muhlenberg ex Willdenow) Sprengel USA: New Jersey [data not captured] S. F. Blake 9684 1926-9-16
GH: 02188553 Conoclinium coelestinum (Linnaeus) de Candolle USA: Maryland Near Cabin John. S. F. Blake 9738 1926-10-5
GH: 02352912 Erigeron pulchellus Michaux USA: Maryland [data not captured] S. F. Blake 9351 1926-5-2
GH: 02351696 Erigeron strigosus Muhlenberg ex Willdenow USA: District of Columbia Washington: [data not captured] S. F. Blake 9429 1926-6-26
GH: 02188878 Eupatorium album Linnaeus USA: Virginia Near Langley [Air Force Base?] S. F. Blake 9728 1926-9-26
GH: 00007046 Eupatorium album monardifolium Fernald USA: Maryland Near Chillum S. F. Blake 9723 1926-9-24
GH: 02189011 Eupatorium altissimum Linnaeus USA: Maryland Near Plummer Island. S. F. Blake 9759 1926-10-19
GH: 02189381 Eupatorium hyssopifolium Linnaeus USA: Maryland Near Lanham. S. F. Blake 9731 1926-10-3
GH: 02190012 Eupatorium pilosum Walter USA: Maryland Near Bladensburg. S. F. Blake 9730 1926-10-3
GH: 02190258 Eupatorium rotundifolium Linnaeus USA: Maryland Near Bladensburg. S. F. Blake 9732 1926-10-3
GH: 02190257 Eupatorium rotundifolium Linnaeus USA: Maryland Near Bladenburg. S. F. Blake 9718 1926-9-22
GH: 02190412 Eupatorium rotundifolium Linnaeus USA: Virginia Near Langley [Airforce Base] S. F. Blake 9729 1926-9-26
GH: 02190768 Eupatorium sessilifolium Linnaeus USA: Maryland Near Cabin John. S. F. Blake 9737 1926-10-5
GH: 01833133 Hieracium venosum Linnaeus USA: District of Columbia Washington: [data not captured] S. F. Blake 9446 1926-6-13
GH: 01833987 Krigia virginica (Linnaeus) Willdenow USA: Maryland [data not captured] S. F. Blake 9409 1926-5-23
GH: 01834336 Lactuca canadensis Linnaeus USA: Maryland [data not captured] S. F. Blake 9567 1926-7-18
GH: 02192623 Liatris pilosa (Aiton) Willdenow USA: Maryland Near Bladensburg. S. F. Blake 9734 1926-10-3
Berberidaceae
GH: 02169023 Jeffersonia diphylla (Linnaeus) Persoon USA: Maryland Near Plummer Island. S. F. Blake 9321 1926-4-18
GH: 02169803 Podophyllum peltatum Linnaeus USA: Maryland [data not captured] S. F. Blake 9378 1926-5-9
Boraginaceae
GH: 01957624 Buglossoides arvensis (Linnaeus) I. M. Johnston USA: Virginia Near Rosslyn S. F. Blake 9366 1926-5-6
GH: 02026221 Cynoglossum virginianum Linnaeus USA: Maryland Near Friendly. S. F. Blake 9516 1926-6-27
GH: 02059355 Mertensia virginica (Linnaeus) Persoon ex Link USA: Maryland Near Plummer Island. S. F. Blake 9337 1926-4-25
GH: 02059591 Myosotis verna Nuttall USA: Maryland Near Glen Echo. S. F. Blake 9355 1926-5-2
Brassicaceae
GH: 00992936 Arabidopsis thaliana (Linnaeus) Heynhold USA: Maryland Near Glen Echo. S. F. Blake 9327 1926-4-25
GH: 02532890 Arabidopsis thaliana (Linnaeus) Heynhold USA: Maryland Near Glen Echo S. F. Blake 9327 1926-5-23
GH: 00946005 Boechera laevigata (Muhlenberg ex Willdenow) Al-Shehbaz USA: Maryland Near Glen Echo. S. F. Blake 9354 1926-5-2
GH: 01098471 Cardamine angustata O. E. Schulz USA: Maryland Near Plummer Island. S. F. Blake 9339 1926-4-25
GH: 01098917 Cardamine concatenata (Michaux) O. Schwarz USA: Maryland Near Glen Echo. S. F. Blake 9314 1926-4-18
GH: 02532901 Cardamine concatenata (Michaux) O. Schwarz USA: Maryland Near Glen Echo S. F. Blake 9314 1926-5-2
GH: 02532902 Cardamine concatenata (Michaux) O. Schwarz USA: Maryland Near Glen Echo S. F. Blake 9314 1926-5-9
GH: 00999988 Cardamine rhomboidea (Persoon) de Candolle USA: Maryland Near Cabin John. S. F. Blake 9374 1926-5-9
GH: 01693210 Rorippa sylvestris (Linnaeus) Besser USA: Maryland Alexandria. S. F. Blake 9478 1926-6-20
Caesalpiniaceae
GH: 01676374 Cercis canadensis Linnaeus USA: Maryland Near Plummer Island S. F. Blake 9342 1926-4-25
GH: 01126104 Cercis canadensis Linnaeus USA: Maryland Near Plummer Island S. F. Blake 9342 1926-10-19
Caprifoliaceae
GH: 02183336 Sambucus nigra canadensis (Linnaeus) Bolli USA: Maryland Near Mt. Rainier. S. F. Blake 9487 1926-6-21
GH: 02184809 Viburnum dentatum Linnaeus USA: Maryland near Hyattsville. S. F. Blake 9485 1926-6-20
GH: 02185036 Viburnum dentatum lucidum Aiton USA: Maryland Near Bladensburg. S. F. Blake 9426 1926-5-28
A: 02185033 Viburnum dentatum lucidum Aiton USA: Maryland Near Hyattsville. S. F. Blake 9485 1926-6-20
GH: 02187131 Viburnum prunifolium Linnaeus USA: Maryland Hyattsville. S. F. Blake 9384 1926-5-12
Caryophyllaceae
GH: 01742820 Cerastium arvense Linnaeus USA: Maryland Near Glen Echo. S. F. Blake 9352 1926-5-23
GH: 01126151 Silene alba USA: Maryland Near Chillum S. F. Blake 9385 1926-6-15
GH: 01751827 Silene caroliniana pensylvanica (Michaux) Fernald USA: Maryland near Glen Echo. S. F. Blake 9328 1926-4-25
GH: 01752648 Silene latifolia alba (Miller) Greuter & Burdet USA: Maryland Near Chillum. S. F. Blake 9385 1926-5-16
GH: 01623905 Stellaria pubera Michaux USA: Maryland Cabin John S. F. Blake 9357 1926-5-2
Celastraceae
GH: 01854472 Euonymus americanus Linnaeus USA: Maryland Near Hyattsville. S. F. Blake 9484 1926-6-20
Cladoniaceae
FH: 00406169 Cladonia arbuscula (Wallroth) Flotow USA: Maryland [data not captured] S. F. Blake 1926
FH: 00406424 Cladonia bacillaris (Acharius) Genth USA: Maryland [data not captured] S. F. Blake 1926-2-22
FH: 00428973 Cladonia macilenta styracella (Acharius) Vainio USA: Maryland [data not captured] S. F. Blake 1926-2-22
FH: 00440329 Cladonia piedmontensis G. Merrill USA: District of Columbia Washington: [data not captured] S. F. Blake 1926
FH: 00440330 Cladonia piedmontensis G. Merrill USA: District of Columbia Washington: [data not captured] S. F. Blake 1926
FH: 00440332 Cladonia piedmontensis G. Merrill USA: Maryland [data not captured] S. F. Blake 1926
FH: 00440973 Cladonia pyxidata neglecta (Flörke) Massalongo, A. B. USA: Maryland [data not captured] S. F. Blake 1926
FH: 00426459 Cladonia rangiferina (Linnaeus) Weber ex F. H. Wiggers USA: Maryland [data not captured] S. F. Blake 1926-2-22
FH: 00391424 Cladonia subtenuis (Abbayes) Mattick USA: Virginia [data not captured] S. F. Blake 1926
FH: 00391705 Cladonia tenuis (Flörke) Harmand USA: Virginia [data not captured] S. F. Blake 1926
FH: 00391706 Cladonia tenuis (Flörke) Harmand USA: Virginia [data not captured] S. F. Blake 1926
FH: 00391710 Cladonia tenuis (Flörke) Harmand USA: Maryland [data not captured] S. F. Blake 1926-2-22
Commelinaceae
GH: 02098092 Tradescantia virginiana Linnaeus USA: Maryland [data not captured] S. F. Blake 9413 1926-5-23
Cornaceae
GH: 01843792 Cornus amomum Miller USA: Maryland Near Chillum. S. F. Blake 9486 1926-6-20
GH: 01539875 Cornus florida Linnaeus USA: Maryland Near Cabin John. S. F. Blake 9376 1926-5-9
Crassulaceae
GH: 01990347 Sedum ternatum Michaux USA: Maryland Near Cabin John. S. F. Blake 9375 1926-5-9
Cyperaceae
GH: 02371776 Carex annectens (E. P. Bicknell) E. P. Bicknell USA: District of Columbia [data not captured] S. F. Blake 9501 1926-6-25
GH: 02370502 Carex cephalophora Muhlenberg USA: Maryland [data not captured] S. F. Blake 9408 1926-5-23
GH: 02578176 Carex frankii Kunth USA: Maryland [data not captured] S. F. Blake 9490 1926-6-21
GH: 01772571 Carex intumescens Rudge USA: Maryland [data not captured] S. F. Blake 9492 1926-6-24
GH: 01772950 Carex lurida Wahlenberg USA: Virginia [data not captured] S. F. Blake 9482 1926-6-20
GH: 02369689 Carex retroflexa Muhlenberg ex Willdenow USA: Maryland [data not captured] S. F. Blake 9411 1926-5-23
GH: 02371619 Carex sparganioides Muhlenberg ex Willdenow USA: Virginia [data not captured] S. F. Blake 9523 1926-6-29
GH: 02395248 Carex vulpinoidea Michaux USA: Virginia [data not captured] S. F. Blake 9519 1926-6-29
NEBC: 01042875 Cyperus grayi Torrey USA: Massachusetts Cohasset: Cohasset S. F. Blake 9616 1926-8-12
Ericaceae
GH: 01592417 Gaylussacia baccata (Wangenheim) K. Koch USA: Maryland Near Bladensburg S. F. Blake 9571 1926-7-19
GH: 01592420 Gaylussacia baccata (Wangenheim) K. Koch USA: Maryland Hyattsville S. F. Blake 9569 1926-7-18
GH: 01592425 Gaylussacia baccata (Wangenheim) K. Koch USA: Maryland Hyattsville S. F. Blake 9381 1926-5-12
GH: 01592430 Gaylussacia baccata (Wangenheim) K. Koch USA: Maryland Near Bladensburg S. F. Blake 9570 1926-7-19
GH: 01593899 Kalmia latifolia Linnaeus USA: Maryland Near Lanham. S. F. Blake 9459 1926-6-18
GH: 01718295 Lyonia mariana (Linnaeus) D. Don USA: Maryland Near Bladensburg. S. F. Blake 9402 1926-5-20
GH: 01719580 Monotropa uniflora Linnaeus USA: Virginia Scott Run S. F. Blake 9524 1926-6-29
GH: 01764608 Rhododendron periclymenoides (Michaux) Shinners USA: Maryland [data not captured] S. F. Blake 9369 1926-5-6
Fabaceae
GH: 01881799 Clitoria mariana Linnaeus USA: Maryland Near Cabin John. S. F. Blake 9593 1926-7-31
GH: 02177784 Lupinus perennis Linnaeus USA: Maryland [data not captured] S. F. Blake 9401 1926-5-20
GH: 01126083 Lupinus perennis Linnaeus USA: Maryland near Bladensburg S. F. Blake 9401 1926-6-12
GH: 02136838 Stylosanthes riparia Kearney USA: Maryland [data not captured] S. F. Blake 9591 1926-7-31
GH: 02137561 Tephrosia virginiana (Linnaeus) Persoon USA: Maryland [data not captured] S. F. Blake 9462 1926-6-18
Gentianaceae
GH: 02167154 Gentiana sp. USA: Virginia New Alexandria. S. F. Blake 9760 1926-11-1
Geraniaceae
GH: 01864117 Geranium carolinianum Linnaeus USA: Maryland Near Glen Echo. S. F. Blake 9412 1926-5-23
Hydrangeaceae
GH: 01750982 Hydrangea arborescens Linnaeus USA: Maryland Near Friendly. S. F. Blake 9515 1926-6-27
Juncaceae
GH: 02098432 Juncus acuminatus Michaux USA: Virginia [data not captured] S. F. Blake 9479 1926-6-20
GH: 02101803 Juncus dichotomus Elliott USA: Maryland [data not captured] S. F. Blake 9543 1926-7-12
GH: 02102886 Juncus effusus solutus (Fernald & Wiegand) Hämet-Ahti USA: Virginia [data not captured] S. F. Blake 9480 1926-6-20
GH: 02398697 Juncus subcaudatus (Engelmann) Coville & S. F. Blake USA: Maryland [data not captured] S. F. Blake 9584 1926-7-25
GH: 02397236 Juncus tenuis anthelatus Wiegand USA: Maryland [data not captured] S. F. Blake 9534 1926-7-9
Lamiaceae
GH: 01597531 Pycnanthemum incanum (Linnaeus) Michaux USA: Maryland Above Cabin John. S. F. Blake 9592 1926-7-31
GH: 01697100 Scutellaria elliptica Sprengel USA: Maryland Near Friendly. S. F. Blake 9511 1926-6-27
GH: 01697752 Scutellaria integrifolia Linnaeus USA: Maryland Near Friendly. S. F. Blake 9510 1926-6-27
Linaceae
GH: 02053016 Linum intercursum E. P. Bicknell USA: Maryland Hyattsville. S. F. Blake 9564 1926-7-18
Onagraceae
GH: 01674681 Circaea canadensis canadensis (Linnaeus) Hill USA: Maryland Near Friendly. S. F. Blake 9538 1926-7-11
Orchidaceae
GH: 02029045 Liparis liliifolia (Linnaeus) Richard ex Lindley USA: Virginia Scott Run S. F. Blake 9522 1926-6-29
Orobanchaceae
GH: 02082018 Melampyrum lineare Desrousseaux USA: Maryland Riggs Mill. S. F. Blake 9507 1926-6-27
Oxalidaceae
GH: 01585447 Oxalis florida Salisbury USA: Maryland Near Glen Echo. S. F. Blake 9407 1926-5-23
GH: 01856239 Oxalis violacea Linnaeus USA: Maryland Near Glen Echo. S. F. Blake 9410 1926-5-25
Papaveraceae
GH: 01738745 Corydalis flavula (Rafinesque) de Candolle USA: Maryland Near Plummer Island. S. F. Blake 9320 1926-4-18
GH: 01739433 Dicentra cucullaria (Linnaeus) Bernhardi USA: Maryland Near Plummer Island. S. F. Blake 9318 1926-4-18
GH: 01857902 Sanguinaria canadensis Linnaeus USA: Maryland Cabin John S. F. Blake 9317 1926-4-18
Phrymaceae
GH: 01843354 Phryma leptostachya Linnaeus USA: Maryland Near Glen Echo. S. F. Blake 9560 1926-7-18
Plantaginaceae
GH: 02119033 Penstemon digitalis Nuttall ex Sims USA: Maryland [data not captured] S. F. Blake 9439 1926-6-12
GH: 01815485 Penstemon digitalis Nuttall ex Sims USA: Maryland [data not captured] S. F. Blake 9439 1926-7-25
GH: 01805709 Veronica hederifolia Linnaeus USA: Maryland [data not captured] S. F. Blake 9333 1926-4-25
GH: 01812643 Veronicastrum virginicum (Linnaeus) Farwell USA: Maryland Glen Echo: [data not captured] S. F. Blake 9589 1926-7-31
Poaceae
GH: 01812398 Andropogon gyrans Ashe USA: Maryland [data not captured] S. F. Blake 9733 1926-10-3
GH: 01813273 Andropogon virginicus Linnaeus USA: Maryland [data not captured] S. F. Blake 9722 1926-9-24
Polemoniaceae
GH: 01571717 Phlox divaricata Linnaeus USA: Maryland Cabin John. S. F. Blake 9330 1926-4-25
Polygalaceae
GH: 01969370 Polygala mariana Miller USA: Maryland Cheverly. S. F. Blake 9554 1926-7-17
GH: 01968141 Polygala sanguinea Linnaeus USA: Maryland Cheverly S. F. Blake 9553 1926-7-17
Ranunculaceae
GH: 01708642 Anemone virginiana Linnaeus USA: Maryland Near Friendly. S. F. Blake 9540 1926-7-11
GH: 01710454 Cimicifuga racemosa (Linnaeus) Nuttall USA: Maryland Near Friendly. S. F. Blake 9514 1926-6-27
GH: 01656944 Clematis ochroleuca Aiton USA: Virginia Near Accotink. S. F. Blake 9475 1926-6-20
GH: 01661386 Hepatica americana (de Candolle) Ker Gawler USA: Maryland Riggs Mill. S. F. Blake 9323 1926-4-21
GH: 01664901 Ranunculus hispidus Michaux USA: Maryland Cabin John. S. F. Blake 9335 1926-4-25
GH: 01836142 Ranunculus micranthus Nuttall ex Torrey & A. Gray USA: Maryland Near Plummer Island. S. F. Blake 9340 1926-4-25
GH: 01839694 Thalictrum thalictroides (Linnaeus) A. J. Eames & B. Boivin USA: Maryland near Glen Echo. S. F. Blake 9313 1926-4-18
Rhamnaceae
GH: 01789293 Ceanothus americanus Linnaeus USA: Virginia Near Accotink. S. F. Blake 9473 1926-6-20
Rosaceae
GH: 01727800 Amelanchier canadensis (Linnaeus) Medikus USA: Maryland Lanham. S. F. Blake 9324 1926-4-23
NEBC: 00744068 Aronia arbutifolia (Linnaeus) Persoon USA: Massachusetts Easton: Easton S. F. Blake 9666 1926-9-15
NEBC: 00744069 Aronia arbutifolia (Linnaeus) Persoon USA: Massachusetts Easton: Easton S. F. Blake 9653 1926-9-8
NEBC: 00738614 Aronia arbutifolia (Linnaeus) Persoon USA: Rhode Island Narragansett: Narragansett S. F. Blake 9668 1926-9-15
GH: 01756132 Aronia prunifolia (Marshall) Rehder USA: Maryland Near Bladenburg. S. F. Blake 9368 1926-5-6
GH: 01756133 Aronia prunifolia (Marshall) Rehder USA: Maryland Near Bladensburg. S. F. Blake 9368 1926-10-15
GH: 01609179 Geum canadense Jacquin USA: Maryland Near Glen Echo. S. F. Blake 9561 1926-7-18
NEBC: 00524461 Potentilla intermedia Linnaeus USA: Massachusetts Canton: Canton S. F. Blake 9647 1926-9-4
GH: 01705331 Prunus americana Marshall USA: Maryland Near Plummer Island. S. F. Blake 9361 1926-5-2
GH: 01559971 Rosa palustris Marshall USA: Maryland Hyattsville. S. F. Blake 9546 1926-7-12
ECON: 01589708 Spiraea sp. Linnaeus USA: Massachusetts Boston: Arnold Arboretum, Jamaica Plain S. F. Blake 1926-6-1
Rubiaceae
GH: 02359656 Galium circaezans hypomalacum Fernald USA: Maryland [data not captured] S. F. Blake 9467 1926-6-19
GH: 02139005 Galium pilosum Aiton USA: Maryland [data not captured] S. F. Blake 9537 1926-7-11
GH: 02139597 Galium tinctorium floridanum Wiegand USA: Maryland [data not captured] S. F. Blake 9509 1926-6-27
Rutaceae
GH: 01584046 Ptelea trifoliata Linnaeus USA: Maryland Near Plummer Island. S. F. Blake 9470 1926-6-19
Saxifragaceae
GH: 01712715 Micranthes virginiensis (Michaux) Small USA: Maryland Near Glen Echo. S. F. Blake 9315 1926-4-18
GH: 00970988 Micranthes virginiensis (Michaux) Small USA: Maryland Near Glen Echo S. F. Blake 9315 1926-5-2
Violaceae
GH: 02145143 Viola bicolor Pursh USA: Maryland Near Glen Echo. S. F. Blake 9329 1926-4-25
GH: 02209214 Viola pubescens Aiton USA: Maryland Cabin John. S. F. Blake 9331 1926-4-25
GH: 02210719 Viola sororia Willdenow USA: Maryland Near Plummer Island. S. F. Blake 9319 1926-4-18
GH: 02211604 Viola striata Aiton USA: Maryland near Plummer Island. S. F. Blake 9338 1926-4-25