United States, California, Butte, S side of Hwy 70, on ledges, ca. 1/4 mi w of Cresta Powerhouse, ca. 2 mi e of Pulga. T23N R05E S28 ce 1/3 USGS Quadrangle: Pulga
39.82 -121.415278 +-402m. NAD83
T23N R05E S28 ce 1/3; 39§ 49m 12s N; 121§ 24m 55s W
488 meters
1600ft.
S side of highway, on ledges in steep, crumbly granite, open to sun. Associates: Cheilanthes gracillima, Diplacus grandiflorus. Corolla deep purple.