]> GH barcode-02188611 United States of America Oklahoma Spring creek shore north of second dam above the junction with Pennington Creek area is 1 3/4 miles north of Reagan, NW 1/4 Sec. 19, T7S, R6E Conoclinium coelestinum (Linnaeus) de Candolle (Linnaeus) de Candolle 2020-02-03 17:09:34 C. B. Hellquist & L. Crouch