]> GH barcode-01746145 United States of America Oklahoma ca. 3/4 mile south of Rte. 70 and 1/2 mile east along railroad ca. 4 1/2 miles east of Bennington, 1/2 mile west of Choctaw Co. line, Sec. 21, T6S, R13E Potamogeton pusillus subsp. tenuissimus (Mertens & Koch) R. R. Haynes & Hellquist (Mertens & Koch) R. R. Haynes & Hellquist 2020-04-20 16:32:47 C. B. Hellquist & L. Crouch