]> GH barcode-01872545 United States of America Colorado In canyon of the Arkansas River, 4 mi. E. of Texas Creek. Polanisia dodecandra subsp. trachysperma (Torrey & A. Gray) Iltis (Torrey & A. Gray) Iltis 2020-05-28 17:02:22 R. C. Bacigalupi