07 September 1983.
Hidalgo, Mexico
Locality: Hwy 85, Zimapan to Tamazunchale, near km 143 between Maguey Verde and Pelillos.
Coordinates: 21.0000, -99.1333
(Map it)
Elevation: 2200m.
Environment description: Mountainous area. Pine-oak forest, steep N facing slope beside the road. Soil reddish, gravelly and dry.
Collector(s):