Collected
21 September 1989.
Arizona, United States
Locality: Santa Cruz Co., 25.7 mi. W of I-19 (ca. 1/4 mi. S of Ruby) near Ruby. 31 28'N, 111 14'W. Elevation 4400 ft.
Environment description: Rocky W-facing slope with Agave schottii, Erythrina flabelliformis, Prosopis velutina, Mimosa dysocarpa, Quercus arizonica, Cnidoscolus angustidens.