United States, California, Napa, Napa County: above Eticuera Creek, west side of Berryessa - Knoxville Road, 15.6 miles (by road) north of junction with Pope Canyon Road (2.3 miles southeast of Knoxville Mine.)
335 meters
1000 - 1100ft
In partial shade of oaks, in dry scrubby woodland, on east-facing slope. | Access Database Number (Deprecated): UCD96154