C. Thomsen, G. Harrington, Davis Botanical Society
United States, California, Colusa, Colusa County: Walker Ridge. Along Walker Ridge Road, N of turnoff to Indian Valley Reservoir but S of Til Jones Springs. Many old undeveloped roads here.
39.069167 -122.484722 NAD83
39° 4m 9s N; 122° 29m 5s W
818 meters
2683ft
Serpentine Chaparral burned 2008. Very common. | Access Database Number (Deprecated): UCD84561