]> GH barcode-01573929 United States of America Texas 4 miles S of Zapata on U.S. Highway 83, then 1.5 miles W on side road to Falcon Lake Physaria argyraea (A. Gray) O'Kane & Al-Shehbaz (A. Gray) O'Kane & Al-Shehbaz 2019-06-03 19:28:46 A. S. Barclay