USA, Arizona, Pima, Baboquivari Mountains, 0.15 miles above Brown Canyon along ephemeral southern tributary to Brown Canyon, 0.44 mile west (air) Brown Canyon Ranch Hdqtrs, Buenos Aires National Wildlife Refuge.
31.77336 -111.562959 +-100m. NAD 83
1300 meters (4264ft)
Adjacent to ephemeral drainage in mountainous juniper-oak woodland/grassland mix.