Collected
14 November 2008.
Arizona, United States
Locality: Mt. Lemmon Road, SE of Oracle, 2.8 miles by road S of jct. with Webb Road N 32 33.33 x W 110 42.26
Elevation: 4360m.
Environment description: Sandy soil along arroyo, semidesert grassland with Prosopis velutina, Acacia greggii, grasses.
Number of plants sampled: 30