United States, California, Colusa, Gravel bar on the south side of Stony Creek, at Mine Camp, about 3 1/2 miles (air) west of Stonyford. T18N R07W S35 NW1/4
Riparian Woodland (along creek, otherwise Chaparral). Parts of a long vine, perennial, on dry sandy rocky soil, gravel bar on the south side of [creek]. Uncommon, scattered. Flowers white.