]> GH barcode-01248475 Mexico Coahuila 6 km. east of El Tule; Vicinity of Rancho El Tule, southern foothills of the igneous Sierra Hechiceros; about 24 km. due north of Castillon and close to the Chihuahuan boundary. Linum rupestre (A. Gray) Engelmann ex A. Gray (A. Gray) Engelmann ex A. Gray 2024-03-25 08:12:26 R. M. Stewart