Aceraceae GH: 01794149 Acer saccharum Marshall USA: Arkansas Limestone cliffs northeast of White River at... R. D. Thomas 20567 1970-8-6
Aizoaceae GH: 01860085 Sesuvium maritimum (Walter) Britton, Sterns & Poggenburg USA: Louisiana south of Point Chen R. D. Thomas 19691 1970-6-27
Anacardiaceae GH: 01866515 Cotinus obovatus Rafinesque USA: Arkansas Beside Ark. 58 just northeast of Guion, Ark.... R. D. Thomas 19975 1970-7-16
Betulaceae A: 02071672 Corylus americana Walter USA: Louisiana [data not captured] R. D. Thomas [data not captured] 17504 1970-2-27
Brassicaceae A: 00999098 Cardamine parviflora arenicola (Britton) O. E. Schulz USA: Louisiana [data not captured] R. D. Thomas 17507 1970-3-1
Caesalpiniaceae GH: 01852475 Chamaecrista nictitans (Linnaeus) Moench USA: Arkansas NW slope and creek banks near Chinn Spring, ... R. D. Thomas 20494 1970-8-3
GH: 01676744 Gymnocladus dioicus (Linnaeus) K. Koch USA: Arkansas Beside Ark. 14 at Sylamore Creek, Allison R. D. Thomas 19971 1970-7-14
Crassulaceae GH: 01871875 Crassula longipes (Rose) Bywater & Wickens USA: Louisiana Field beside Horseshoe Lake, 8 mi. NNW of Co... R. D. Thomas 17939 1970-4-5
Ericaceae GH: 01718130 Lyonia lucida (Lamarck) K. Koch USA: Mississippi beside Miss. 35, 1 mile south of Sandy Hook. R. D. Thomas 19608 1970-6-26
GH: 00310702 Monotropsis odorata Schweinitz USA: Tennessee Pinus rigida forest along crest of Bearwallo... R. D. Thomas 18201 1970-4-25
Fabaceae GH: 01881490 Centrosema virginianum (Linnaeus) Bentham USA: Arkansas Cliffs north of railroad and White River, 1/... R. D. Thomas 20512 1970-8-4
GH: 02087072 Lespedeza hirta (Linnaeus) Hornemann USA: Arkansas Oak woods near junction of roads from Lock a... R. D. Thomas 20448 1970-8-1
GH: 02129149 Lupinus villosus Willdenow USA: Louisiana [data not captured] R. D. Thomas 18584 1970-5-9
Lamiaceae GH: 01580909 Agastache nepetoides (Linnaeus) Kuntze USA: Arkansas Northwest slope and creek bank near Chinn Sp... R. D. Thomas 20466 1970-8-3
Lentibulariaceae GH: 01975020 Utricularia inflata Walter USA: Louisiana At Waterside Park Subdivision, E. of Monroe. R. D. Thomas 18619 1970-5-11
Orchidaceae GH: 01939167 Pteroglossaspis ecristata (Fernald) Rolfe USA: Louisiana near Tabor Road, SW of Georgetown. R. D. Thomas 21575 1970-10-4
Plantaginaceae GH: 00466659 Callitriche heterophylla Pursh USA: Arkansas Aquatic in Spring River at U. S. 63, Mammoth... R. D. Thomas 20434 1970-7-29
GH: 00466900 Callitriche nuttallii Torrey USA: Louisiana [data not captured] R. D. Thomas 17918 1970-4-3
GH: 01999958 Gratiola virginiana Linnaeus USA: Louisiana [data not captured] R. D. Thomas 21423 1970-10-1
GH: 01805207 Veronica anagallis-aquatica Linnaeus USA: Arkansas [data not captured] R. D. Thomas 20430 1970-7-29
Poaceae GH: 01653843 Andropogon gerardi Vitman USA: Arkansas [data not captured] R. D. Thomas 20513 1970-8-4
Polemoniaceae GH: 01104107 Ipomopsis longiflora (Torrey) V. E. Grant USA: Oklahoma beside Okla. 74, north bank of Cimarron Rive... R. D. Thomas [data not captured] 21695 1970-10-9
Ranunculaceae GH: 01658552 Delphinium carolinianum Walter USA: Arkansas E. of ark. 8, Sec. 13, T13S, R9W, Geocarpon ... R. D. Thomas 18669 1970-5-16
Rosaceae GH: 00994258 Gillenia stipulata (Muhlenberg ex Willdenow) Nuttall USA: Arkansas Beside Ark. 81, 3 miles N. of Lacey-pine woo... R. D. Thomas 18760 1970-5-16
Rubiaceae GH: 02358426 Galium arkansanum A. Gray USA: Arkansas [data not captured] R. D. Thomas 20454 1970-8-1
