Collected
21 September 1989.
Arizona, United States
Locality: Santa Cruz Co., Rocky W-facing slope ca. 1/4 mi. S of Ruby, along Ruby Rd (27.5 mi. W of I-19). Elevation 4400 ft.
Environment description: Semi-desert Grassland with Prosopis velutina, Quercus arizonica, Eysenhardtia orthocarpa, Agave schottii, Fouquieria splendens, Mimosa dysocarpa, Cnidoscolus angustidens.