T.R. Van Devender, S.C. Doan, G.M. Ferguson, Z. Liu, J. Anderson, R.A. Johnson
Mexico, Sonora, Nacozari de García, Rancho La Virginia area (Río Bavispe drainage), 21.9 km (by road) southeast of Esqueda, 1.3 km northwest of Rancho Agua Caliente
30.64583 -109.435
910 meters (2985ft)
Uncommon cholla in rocky canyon bottom.
Uncommon cholla in rocky canyon bottom.
riparian scrub with Stenocereus thurberi on slopes above