United States, California, Contra Costa, Contra Loma Regional Park; In area #1. In island in middle of main parking lot on s side of lake.
37.9718 -121.8238 +-50m. WGS84
point at described locale
38 meters
125 ft.
In area #1; In island in middle of main parking lot on s side of lake. Accompanying species include Grindelia camporum, Phacelia ciliata, Erodium moschatum, etc. Soil rocky clay.