22 September 1991.
Chiapas, Mexico
Locality: Near San Cristobal. 17.8 km east of intersection Mex 190 and Mex 199, on Mex 199 toward Ococingo.
Coordinates: 16.7500, -92.4333
(Map it)
Elevation: 2060m.
Environment description: Grazed over raodside grassy area. Sands and gravel.
Comment: Moderate population.
Collector(s):