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, 1.5 air miles N of Kenwood, and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek, N of Adobe Canyon Road, at Pony Gate trail juncture.
38.441626 -122.523478 +-650m. WGS84
T7N, R6W, NW 1/4 of NW 1/4 of Section 22
433 meters
1420ft
Growing on west-facing, 5-degree slope. Appears as though fire was mostly a ground fire but got into canopy some. About 25% bare ground, about 20% cover of a Lathrys not yet in bloom. Recently burned coast live oak forest. Large areas 100% cover of an airy grass (Bowcutt 1856).