T.R. Van Devender, A.L. Reina-G., G. Ferguson, S. Hale, F. Reichenbacher, C. Smith
Mexico, Sonora, Fronteras, Sierra Buenos Aires, upper Arroyo Mababi (local name El Aguaje de la Capilla); 2.3 km SSW (by air) of Rancho El Capulin; 51 km ESE (by air) of Cananea.
30.75172 -109.82886 WGS84
1527 meters (5009ft)
Limestone slope in oak woodland, downstream from Aguaje de la Capilla.