]> GH barcode-01687936 United States of America Oklahoma U. S. Hwy. 283, 10.2 mi. N. of Cheyenne. Physaria ovalifolia (Rydberg) O'Kane & Al-Shehbaz (Rydberg) O'Kane & Al-Shehbaz 2020-04-13 15:48:24 J. C. Clark