16 September 1991.
Oaxaca, Mexico
Locality: Very small population in grass among shrubs protected from grazing. Gravels, very dry 0.5km E Guadelupe Etla on north face of the furthermost E of 2 mounds.
Coordinates: 17.1000, -96.8333
(Map it)
Elevation: 1450m.
Abundance: Scarce