United States, California, Butte, Parking area, Peter Ahart Ranch, about 1 1/2 miles north and 1 mile east of Honcut, about 12 miles south of Oroville.
39.3514722 -121.5206944
T17N R4E S4 SE1/4
34 meters
110ft.
On damp bare soil. Urban-suburban (valley grassland).
Small to medium sized plants. Common. Flowers white.