United States, California, Napa, Napa County; Archer Taylor Preserve, south of Bismark Knob.
38.354722 -122.427778 +-1500m. WGS84
T6N R5W Sec. 20 NW1/4; 38° 21m 17s N; 122° 25m 40s W
631 meters
2070ft
Chaparral community on rhyolite substrate. On brushy ridgeline with Adenostoma fasciculata, Arctostaphylos stanfordiana, Ceanothus sonomensis. | Access Database Number (Deprecated): UCD148754