]> GH barcode-01687956 United States of America Oklahoma U.S. Hwy. 77, ca. 5 mi. S. of Sulphur. Physaria ovalifolia subsp. alba (Goodman) O'Kane & Al-Shehbaz (Goodman) O'Kane & Al-Shehbaz 2020-04-14 10:00:38 J. C. Clark