]> GH barcode-01626846 United States of America Oklahoma Price's Falls, NW 1/4, Sec. 33, T2S, R2E ca. 2.5 mi. SE of Jollyville, Arbuckle Mountains Myriophyllum heterophyllum Michaux Michaux 2020-05-14 15:42:38 C. B. Hellquist & L. Crouch