]> GH barcode-01624723 United States of America Oklahoma Black Mesa. Calylophus hartwegii subsp. lavandulifolius (A. Gray & Torrey) Towner & P. H. Raven (A. Gray & Torrey) Towner & P. H. Raven 2020-05-05 10:32:39 G. J. Goodman & U. T. Waterfall