Santa Catalina Mountains. Finger Rock Trail, at natural break spot ~0.3 km NE of where main trail leaves canyon bottom; ~30m above canyon floor. Approx. 7 km SE of Oro Valley. Coronado National Forest, Pusch Ridge Wilderness.
Longitude (DD)
-110.9014
Latitude (DD)
32.35
Elevation (m)
1136
Habitat
On N/NW-facing silicacious rock shelf; with Pellaea truncata, Opuntia, agave, fabaceous shrubs; near Pentagramma maxonii (collected by Keir Wefferling).