]> GH barcode-00026343 Mexico Nuevo León North slope of Mount Sierra Tronconal between Canyon de los Charcos and Canyon de San Miguel, ca 15 miles southwest of Galeana Charcos & Canyon de San Miguel; about 15 m. S. W. of Galeana Macromeria barbigera I. M. Johnston I. M. Johnston 2010-08-16 16:42:09 C. H. Muller & M. T. Muller