]> GH barcode-01687898 United States of America Texas Jct of TX Hwy 256 and caprock at mouth od Palo Duro Canyon. 15.6 mi W of jct with TX Hwy 70 Physaria ovalifolia (Rydberg) O'Kane & Al-Shehbaz (Rydberg) O'Kane & Al-Shehbaz 2020-04-20 09:53:38 C. Clark