]> GH barcode-01632316 United States of America Oklahoma on the north side of Rtes 87 &259, 2.9 miles west of Waterfall Creek, Sec. 36, T8S, R24E Sagittaria brevirostra Mackenzie & Bush Mackenzie & Bush 2020-05-05 16:44:52 C. B. Hellquist & L. Crouch