T.R. Van Devender, J.J. Sánchez E., C. Roll, J.J. Sartain
México, Sonora, Municipio de Cananea, Sonora. Vicinity of Observatorio Astrofisico "Guillermo Haro", Sierra la Mariquita, 9.4 km (by air) NNW of Cananea.
31.05444444 -110.3825
2422 meters (7944ft)
In shady rock crecives. Pine-oak forest. Bosque de Encino.