]> GH barcode-01626720 United States of America Oklahoma ca. 1.5 miles SE of last interchange on I-35 ca. 5.0 miles south of Thackerville, Sec. 31, T9S, R2E Myriophyllum aquaticum (Vellozo) Verdcourt (Vellozo) Verdcourt 2020-05-14 14:42:41 C. B. Hellquist