United States, California, Butte, Northern Sierra Nevada Foothills. Oroville; east side of the Feather River about 150 m southeast of the Thermalito Diversion Dam. T19N R04E S05 SE1/4 USGS Quadrangle: Oroville 1:24,000
Around rock outcrops in ephemeral drainage with masses of California grape; scattered coyote-brush, buckbrush, poison oak, gray pine; otherwise weedy annual grassland with lots of yellow star thistle. Rounded large shrubs/small trees 6-8 m tall with many branches; flowers bright white, mostly along long end branches; scattered, probably feral.