United States, California, Butte, Watson Ridge, about 2 miles (air) northeast of Bald Rock Dome, about 5 miles (air) north of Feather Falls (the town).
39.6645278 -121.2763889
T21N R6E S23 NW1/4
1086 meters
3563ft.
On dry disturbed soil, on the sides of a poor dirt road. Yellow Pine Forest.