United States, California, Sonoma, Sonoma County: Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air NW of Napa. S of Sonoma Creek near beginning of Hillside Trail.
38.437955 -122.498336 +-1000m. WGS84
381 meters
1250ft
Habitat: oak woodland.
Associates: Amsinckia, Geranium, Centaurea, Vicia. N facing slope. Mesic site. | Access Database Number (Deprecated): UCD110264