United States, California, Butte, Top of North Table Mt., adjacent to and S of the waterfalls of the S branch of Coal Cr. Canyon, center of the W edge of section 8. T20N R04E S08 W edge
39.604722 -121.558611 +-201m. NAD83
T20N R04E S08 W edge; 39§ 36m 17s N; 121§ 33m 31s W
Abundant, in thin rocky soils ringing basaltic outcroppings, open grasslands with Lupinus nanus ssp. vallicola, and Collinsia sparsiflora var brucae.