]> GH barcode-02203372 United States of America Oklahoma S. Eastern Part of Beckham Co. 6 mi. S. Elk City; Wichita Natl. Forest; N. Fork of Red River Croptilon hookerianum var. validum (Rydberg) E. B. Smith (Rydberg) E. B. Smith 2021-09-16 10:05:14 C. T. Eskew