]> GH barcode-01691139 United States of America Texas north slope of volcanic mountain near Cottonwood Creek, Big Bend National Park Physaria purpurea (A. Gray) O'Kane & Al-Shehbaz (A. Gray) O'Kane & Al-Shehbaz 2020-04-07 11:09:54 R. C. Rollins & D. S. Correll