Harvard University Herbaria & Libraries

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Asteraceae
GH: 01925554 Vernonia baldwinii Torrey USA: Oklahoma in Cowpen Canyon, Frank's Conglomerate forma... M. Hopkins & G. L. Cross 6408 1944-7-22
Betulaceae
GH: 02197506 Alnus serrulata (Aiton) Willdenow USA: Oklahoma 7 miles east of Heavener. M. Hopkins & G. L. Cross 1516 1937-4-30
GH: 02071283 Carpinus caroliniana Walter USA: Oklahoma Growing on the border of or in the Poteau Ri... M. Hopkins & G. L. Cross 1515 1937-4-30
Caryophyllaceae
GH: 01751633 Silene antirrhina Linnaeus USA: Oklahoma 9 miles north of Wilburton. M. Hopkins & G. L. Cross 1498 1937-4-29
Commelinaceae
GH: 02113909 Tradescantia ozarkana E. S. Anderson & Woodson USA: Oklahoma Rich Mt.; 20 mi. east of Heavner M. Hopkins & G. L. Cross 1546 1937-4-30
Cornaceae
GH: 01845701 Cornus florida Linnaeus USA: Oklahoma Little River, 5 miles north of Idabel M. Hopkins & G. L. Cross 2310 1937-10-15
GH: 01845700 Cornus florida Linnaeus USA: Oklahoma Little River, 5 miles north of Idabel M. Hopkins & G. L. Cross 2309 1937-10-15
Droseraceae
GH: 01143475 Drosera annua E. L. Reed USA: Oklahoma 3 miles north of Clayton. M. Hopkins & G. L. Cross 1704 1937-5-8
Fabaceae
GH: 01881218 Baptisia sphaerocarpa Nuttall USA: Oklahoma 9 miles east of Wilburton M. Hopkins & G. L. Cross 1504 1937-4-29
GH: 01885960 Dalea multiflora (Nuttall) Shinners USA: Oklahoma Arbuckle Lime formation, Arbuckle Mts M. Hopkins & G. L. Cross 6447 1944-7-22
GH: 02133096 Pediomelum reverchonii (S. Watson) Rydberg USA: Oklahoma Arbuckle Lime formation, Arbuckle Mts. M. Hopkins & G. L. Cross 6457 1944-7-22
Lamiaceae
GH: 01555625 Clinopodium arkansanum (Nuttall) House USA: Oklahoma in Cow Pen Canyon, Frank's Conglomerate form... M. Hopkins & G. L. Cross 6445 1944-7-22
GH: 01596143 Pycnanthemum tenuifolium Schrader USA: Oklahoma 6 miles southeast of Broken Bow M. Hopkins & G. L. Cross 2345 1937-10-16
GH: 01696311 Salvia lyrata Linnaeus USA: Oklahoma 18 miles south of Wilburton. M. Hopkins & G. L. Cross 1848 1937-5-9
Malvaceae
GH: 02202207 Callirhoe alcaeoides (Michaux) A. Gray USA: Oklahoma 3 mi. east of Atoka M. Hopkins & G. L. Cross 1557 1937-5-1
Onagraceae
GH: 01644752 Oenothera linifolia Nuttall USA: Oklahoma 3 miles north of Clayton M. Hopkins & G. L. Cross 1708 1937-5-8
Papaveraceae
GH: 01857963 Sanguinaria canadensis Linnaeus USA: Oklahoma 20 miles east of Heavener M. Hopkins & G. L. Cross 1542 1937-4-30
Pinaceae
GH: 00398411 Pinus echinata Miller USA: Oklahoma 9 miles north of Wilburton. M. Hopkins & G. L. Cross 1463 1937-4-29
GH: 00399930 Pinus taeda Linnaeus USA: Oklahoma 9 miles north of Wilburton. M. Hopkins & G. L. Cross 1449 1937-4-29
Plantaginaceae
GH: 00466768 Callitriche heterophylla Pursh USA: Oklahoma 10 mile east of Broken Bow. M. Hopkins & G. L. Cross 1613 1937-5-1
GH: 02001772 Nuttallanthus texanus (Scheele) D. A. Sutton USA: Oklahoma 6 miles west of Antlers M. Hopkins & G. L. Cross 1585 1937-5-1
GH: 02002256 Penstemon arkansanus Pennell USA: Oklahoma 2 miles north of Talahina. M. Hopkins & G. L. Cross 1775 1937-5-9
GH: 02120840 Penstemon laxiflorus Pennell USA: Oklahoma 5 miles west of Hugo M. Hopkins & G. L. Cross 1569 1937-5-1
Poaceae
GH: 01813696 Bothriochloa saccharoides (Swartz) Rydberg USA: Oklahoma on Bar C Ranch, Arbuckle Mts. M. Hopkins & G. L. Cross 6452 1944-7-22
Ranunculaceae
GH: 01665602 Ranunculus laxicaulis (Torrey & A. Gray) Darby USA: Oklahoma 10 miles east of Broken Bow. M. Hopkins & G. L. Cross 1611 1937-5-1
GH: 01665610 Ranunculus laxicaulis (Torrey & A. Gray) Darby USA: Oklahoma 18 miles south of Wilburton M. Hopkins & G. L. Cross 1849 1937-5-9
GH: 01665612 Ranunculus laxicaulis (Torrey & A. Gray) Darby USA: Oklahoma 1 mile north of Clayton. M. Hopkins & G. L. Cross 1717 1937-5-8
Taxodiaceae
GH: 01116249 Taxodium distichum (Linnaeus) Richard USA: Oklahoma 5 miles north of Idabel M. Hopkins & G. L. Cross 2292 1937-10-15