Harvard University Herbaria & Libraries

Aceraceae
GH: 01791863 Acer negundo Linnaeus USA: Oklahoma Poteau River, 7 miles east of Heavener M. Hopkins [data not captured] 1512 1937-4-30
GH: 01793726 Acer rubrum trilobum K. Koch USA: Oklahoma 4 miles north of Broken Bow M. Hopkins 2443 1937-10-16
Anacardiaceae
GH: 01866856 Rhus aromatica Aiton USA: Oklahoma 9 miles north of Wilburton M. Hopkins [data not captured] 1471 1937-4-29
GH: 01866857 Rhus aromatica Aiton USA: Oklahoma 7 miles west of McAlester. M. Hopkins 1641 1937-5-7
Asteraceae
GH: 02188615 Conoclinium coelestinum (Linnaeus) de Candolle USA: Oklahoma Turner Falls, Arbuckle Mts. M. Hopkins 1947 1937-9-26
Betulaceae
GH: 02194028 Betula nigra Linnaeus USA: Oklahoma 7 miles east of Heavener. M. Hopkins 1510 1937-4-30
Boraginaceae
GH: 01993290 Heliotropium convolvulaceum (Nuttall) A. Gray USA: Oklahoma in dry sandy banks and on banks of South Can... M. Hopkins 2055 1937-10-3
Brassicaceae
GH: 01181684 Boechera canadensis (Linnaeus) Al-Shehbaz USA: Oklahoma Boy Scout Camp, 9 miles north east of Wilbur... M. Hopkins 1657 1937-5-7
GH: 00986732 Descurainia pinnata (Walter) Britton USA: Oklahoma five miles west of Tecumseh M. Hopkins 1235 1937-4-3
GH: 01736372 Streptanthus maculatus Nuttall USA: Oklahoma 6 miles northeast of Finley M. Hopkins 1877 1937-6-9
Cupressaceae
GH: 02106887 Juniperus virginiana Linnaeus USA: Oklahoma 7 miles west of McAlester. M. Hopkins 1640 1937-5-7
Fabaceae
GH: 01935243 Amorpha fruticosa Linnaeus USA: Oklahoma Robbers cave, 9 miles N.W. Wilburton M. Hopkins G. L. Cross 1872 1937-5-9
GH: 02047661 Astragalus crassicarpus Nuttall USA: Oklahoma five miles west of Tecumseh M. Hopkins 1239 1937-4-3
GH: 02148324 Indigofera miniata Ortega USA: Oklahoma banks of South Canadian, 5 miles north of Hi... M. Hopkins 2043 1937-10-3
Geraniaceae
GH: 01864173 Geranium carolinianum Linnaeus USA: Oklahoma 6 miles west of Antlers M. Hopkins [data not captured] 1937-5-1
GH: 01864181 Geranium carolinianum Linnaeus USA: Oklahoma 10 miles north of Summerfield M. Hopkins [data not captured] 1937-4-30
Oleaceae
GH: 01846957 Chionanthus virginicus Linnaeus USA: Oklahoma in the Poteau River, 7 miles east of Heavene... M. Hopkins [data not captured] 1937-4-30
Papaveraceae
GH: 01738677 Corydalis crystallina Engelmann ex Torrey & A. Gray USA: Oklahoma Boy Scout Camp, 9 miles north east of Wilbur... M. Hopkins 1664 1937-5-7
Plantaginaceae
GH: 01811037 Veronica peregrina Linnaeus USA: Oklahoma near South Canadian River M. Hopkins 1260 1937-4-18
Portulacaceae
GH: 01859561 Claytonia virginica Linnaeus USA: Oklahoma five miles west of Tecumseh M. Hopkins 1234 1937-4-3
Rhamnaceae
GH: 01972061 Frangula caroliniana (Walter) A. Gray USA: Oklahoma 5 miles south of Bethel M. Hopkins [data not captured] 2537 1937-10-16
Rosaceae
GH: 01570481 Potentilla simplex Michaux USA: Oklahoma in Boy Scout Camp, 9 miles northwest of Wilb... M. Hopkins 1682 1937-5-7
GH: 01721169 Prunus angustifolia Marshall USA: Oklahoma near Norman M. Hopkins 1244 1937-4-3
GH: 01723286 Prunus persica (Linnaeus) Batsch USA: Oklahoma near Norman M. Hopkins 1243 1937-4-3
Urticaceae
GH: 02170218 Boehmeria cylindrica (Linnaeus) Swartz USA: Oklahoma 7 miles southeast of Broken Bow M. Hopkins 2404 1937-10-16
Verbenaceae
GH: 01800078 Callicarpa americana Linnaeus USA: Oklahoma 6 miles south of Antlers. M. Hopkins [data not captured] 2218 1937-10-15
Violaceae
GH: 02211477 Viola sororia missouriensis (Greene) L. E. McKinney USA: Oklahoma floor of Devil's Canyon 5 mi. E. of Hinton M. Hopkins 2125 1937-10-3