]> GH barcode-01687181 United States of America Oklahoma 2 miles east of Stonewall Physaria gracilis subsp. nuttallii (Torrey & A. Gray) O'Kane & Al-Shehbaz (Torrey & A. Gray) O'Kane & Al-Shehbaz 2020-04-07 16:14:36 A. M. Van Valkenburg