10 March 1985.
Chiapas, Mexico
Locality: Black cracking clay with yellow colored surface soils in large patches, 6.3km E of intersection of Hwy 190 at La Trinitaria and road to Monte Bella near Hwy marker 7km, Chiapas State
Coordinates: 16.1333, -92.0000
(Map it)
Elevation: 1525m.
Collector(s):