]> GH barcode-01624720 United States of America Oklahoma 20 mi. W. of Beaver Co. line on U. S. Highway #270 Calylophus hartwegii subsp. lavandulifolius (A. Gray & Torrey) Towner & P. H. Raven (A. Gray & Torrey) Towner & P. H. Raven 2020-05-05 10:08:32 U. T. Waterfall