]> A barcode-01678011 United States of America Texas west of the town of La Paloma, 2.7 km (1.7 miles) east of Farm road 1479 on highway 281. slope facing Rio Grande Sclerocactus scheeri (Salm-Dyck) N. P. Taylor (Salm-Dyck) N. P. Taylor 2019-03-12 15:50:36 D. E. Boufford