]> GH barcode-01624646 United States of America Oklahoma south of the Canadian River, 18 miles north of Cheyenne Calylophus hartwegii subsp. fendleri (A. Gray) Towner & P. H. Raven (A. Gray) Towner & P. H. Raven 2020-05-05 09:24:01 U. T. Waterfall