]> GH barcode-00435351 Mexico Chihuahua 7 1/2 miles south of Piramide. Along road from Ojinaga to Castillon, Coah. via La Mula, Trincheras, Piramide and San Salvador Matelea chihuahuensis (A. Gray) Woodson (A. Gray) Woodson 2014-11-25 11:30:56 I. M. Johnston