Collected
20 June 1991.
Arizona, United States
Locality: Pinal Co., Road to San Manuel off of road to Oracle, 11.6 mi. below jct. with Catalina Hwy.
Environment description: Ridge crest with rocky soil. Semi-desert grassland with Prosopis velutina, Acacia constricta, Fouquieria splendens, Agave chrysantha.