PRE 1985.
Chihuahua, Mexico
Locality: 37 km west of town of Madera, Rio Papagochic.
Coordinates: 29.3500, -108.8333
(Map it)
Elevation: 1500m.
Georeference protocol: Lat/Lon determined from GIS
Environment description: Canyon. Volcanic soil.
Associated species: Associated vegetation: Quercus, Juniper
Collector(s):