United States, California, Alameda, Sunol Ridge east of Palomares Road and south of Crow Canyon Road.
37.648611 -121.963611
37§ 38m 55s N; 121§ 57m 49s W
426 meters (1397ft)
Mixed grassland and coast live oak woodland. Uncommon annual herb to 12 cm. forming local colonies on moist shady road cuts. Most common in lower zone subject to water scouring.
Label says: Herbarium of CA Dept. Food & Agriculture (CDA). Entered into UCR Database (30Acmop).