United States, California, Napa, Napa County. McLaughlin Reserve. North of Knoxville -- Berryessa Rd., along road from Knoxville to Clover Valley. Ca. 0.20 miles as the crow flies N of site of old town of Knoxville.
38.826944 -122.339722
38° 49m 37s N; 122° 20m 23s W
427 meters
1400ft
Grassy slopes near blue oak woodland. | Access Database Number (Deprecated): UCD18177