]> GH barcode-01996832 United States of America Oklahoma In arroyo running up to the northwest slopes of Black Mesa, 4 mi. N of Kenton Lithospermum occidentale (Mackenzie) Weakley, Witsell & D. Estes (Mackenzie) Weakley, Witsell & D. Estes 2019-11-04 15:37:20 U. T. Waterfall