]> GH barcode-01687178 United States of America Oklahoma near Rock Creek, 6 miles west of Fort Towson Physaria gracilis subsp. nuttallii (Torrey & A. Gray) O'Kane & Al-Shehbaz (Torrey & A. Gray) O'Kane & Al-Shehbaz 2020-04-07 16:04:30 R. C. Rollins