11 November 1985.
Chihuahua, Mexico
Locality: Santa Rosalia de Abajo, 30km E of Guadalupe y Calvo, Chihuahua.
Coordinates: 26.2500, -107.0833
(Map it)
Elevation: 2080m.
Environment description: Mountain simmit, farmland
Comment: Sample donated by Guadalupe Saenz de Martinez.
Collector(s):