Harvard University Herbaria & Libraries

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Araceae
GH: 01654264 Arisaema triphyllum (Linnaeus) Schott USA: Oklahoma in Cow Pen Canyon, Arbuckle Mts. Frank's Con... M. Hopkins & M. Van Valkenburgh 3987 1941-4-27
Asclepiadaceae
GH: 01083063 Cynanchum laeve (Michaux) Persoon USA: Oklahoma on Oklahoma side of Rich Mt. near the state ... M. Hopkins & M. Van Valkenburgh 4238 1939-5-20
Asteraceae
GH: 02217491 Amphiachyris dracunculoides (de Candolle) Nuttall USA: Oklahoma 3 mi. east of Norman M. Hopkins & M. Van Valkenburgh 1936-10-5
GH: 01926951 Elephantopus carolinianus Willdenow USA: Oklahoma just back of Lacus Botanicarum, Arbuckle Mou... M. Hopkins & M. Van Valkenburgh 5471 1940-9-21
GH: 02587562 Grindelia squarrosa (Pursh) Dunal USA: Oklahoma Bad Lands; Gould M. Hopkins & M. Van Valkenburgh 1051 1936-10-24
Brassicaceae
GH: 01155511 Descurainia pinnata halictorum (Cockerell) Detling USA: Oklahoma Black Mesa country of the Cimarron River, 2 ... M. Hopkins & M. Van Valkenburgh 5763 1941-5-17
GH: 01155602 Descurainia sophia (Linnaeus) Webb ex Prantl USA: Oklahoma 5 miles east of Kenton M. Hopkins & M. Van Valkenburgh 5867 1941-5-18
GH: 01103683 Draba brachycarpa Nuttall USA: Oklahoma 4 miles east of Norman M. Hopkins & M. Van Valkenburgh 1210 1937-3-20
GH: 01561092 Draba reptans (Lamarck) Fernald USA: Oklahoma 4 miles east of Norman M. Hopkins & M. Van Valkenburgh 1209 1937-3-20
GH: 01561707 Erysimum asperum de Candolle USA: Oklahoma 2 miles North of Kenton M. Hopkins & M. Van Valkenburgh 5806 1941-5-17
Commelinaceae
GH: 02113167 Commelina virginica Linnaeus USA: Oklahoma 5 miles East and 4 miles south of Broken Bow... M. Hopkins & M. Van Valkenburgh 6131 1941-10-12
GH: 02113856 Tradescantia ohiensis Rafinesque USA: Oklahoma Near Talequah M. Hopkins & M. Van Valkenburgh 3875 1939-4-28
Fabaceae
GH: 01881214 Baptisia sphaerocarpa Nuttall USA: Oklahoma near Albion M. Hopkins & M. Van Valkenburgh 4340 1939-5-20
GH: 02086037 Lespedeza virginica (Linnaeus) Britton USA: Oklahoma in the Tishomingo Granite Formation of the A... M. Hopkins & M. Van Valkenburgh 5530 1940-9-29
GH: 02131875 Pediomelum cuspidatum (Pursh) Rydberg USA: Oklahoma Honey Creek, Arbuckle Mts. near Davis M. Hopkins & M. Van Valkenburgh 3963 1939-5-3
Lamiaceae
GH: 01555410 Blephilia subnuda Simmers & Kral USA: Oklahoma Little Creek, Eagletown M. Hopkins & M. Van Valkenburgh 4170 1939-5-19
GH: 01555411 Blephilia subnuda Simmers & Kral USA: Oklahoma Little Creek, Eagletown M. Hopkins & M. Van Valkenburgh 4170 1939-5-19
GH: 01599499 Monarda russeliana (Nuttall) Sims USA: Oklahoma 10 mi. e. of Atoka M. Hopkins & M. Van Valkenburgh 4146 1939-5-19
Onagraceae
GH: 01624561 Calylophus drummondianus berlandieri (Spach) Towner & P. H. Raven USA: Oklahoma 5 miles west of Guthrie, on highway #33 M. Hopkins & M. Van Valkenburgh 5 1939-5-15
GH: 01644392 Oenothera jamesii A. Gray & Torrey USA: Oklahoma S. Canadian River at Ten Mile Flats 6 miles ... M. Hopkins & M. Van Valkenburgh 5520 1940-9-27
Plantaginaceae
GH: 02119110 Penstemon digitalis Nuttall ex Sims USA: Oklahoma meadow near Albion M. Hopkins & M. Van Valkenburgh 4339 1939-5-20
Polygonaceae
GH: 02005279 Rumex hastatulus Baldw. USA: Oklahoma near Albion M. Hopkins & M. Van Valkenburgh 4333 1939-5-20
Ranunculaceae
GH: 01658612 Delphinium carolinianum Walter USA: Oklahoma near Stapp M. Hopkins & M. Van Valkenburgh 4286 1939-5-20