]> GH barcode-01780169 United States of America Oklahoma 5.0 miles north of Cache. Witchita Mtns. Nat'l Wildlife Refuge, Sec. 25, T3N, R14W Ludwigia palustris (Linnaeus) Elliott (Linnaeus) Elliott 2020-05-08 15:08:14 C. B. Hellquist & L. Crouch