]> GH barcode-01584653 United States of America Texas Along trail just E. Canyon about 100 yds. S. San Esteban dam, 12 mi. S. Marfa. Thamnosma texanum var. purpureum (Wooton & Standley) Woodruff (Wooton & Standley) Woodruff 2019-06-07 15:19:03 L. C. Hinckley