30 September 1992.
Arizona, United States
Locality: Pima Co., Ca. 1/8 mi. upstream from General Hitchcock Campground, Santa Catalina Mts. Elevation 6000 ft.
Coordinates: 32.3781, -110.6811
(Map it)
Environment description: Sunny S-facing slope. Gravelly soil. Pine-oak woodland with Quercus arizonica, Ceanothus fendleri, Yucca schottii.
Number of plants sampled: 2
Comment: Collectors: B. Bearly, D. Birt, M. Johnson, M. Mack