]> GH barcode-01575991 United States of America Texas over much of Big Bend area; Torneros Creek Valley Casa Piedra-Redford road about 65 mi. S. Marfa Physaria gordonii (A. Gray) O'Kane & Al-Shehbaz (A. Gray) O'Kane & Al-Shehbaz 2020-05-15 06:51:42 L. C. Hinckley