04 September 1988.
Jalisco, Mexico
Locality: Road from N side of Guadalajara, past side road to San Francisco Tesistan to San Cristobal de la Barranca, on W side of road, 20.5 km (by posted km signs), N of Guadalajara, about 0.5 km S of Mirador.
Coordinates: 21.0000, -103.4167
(Map it)
Elevation: 1400m.
Environment description: Quercus resinosa savanna, rocky soil, recently burned area.
Collector(s):