United States, California, Butte, Northern High Sierra Nevada. Plumas National Forest; mid-slope of Mountain Spring House Ridge above South Branch Feather River, along the road to Milsap Bar. T21N R07E S05 SE1/4 of NW1/4 USGS Quadrangle: Cascade 1:24,000
39.706667 -121.221944 NAD 1983
T21N R07E S05 SE1/4 of NW1/4; 39§ 42m 24s N; 121§ 13m 19s W
1204 meters (3949ft)
Along edge of graveled road and graveled shoulder at top of 10 year old timber plantation (mixed conifer forest). Open, south-facing. Flowers bright yellow; about 2000 plants here (half are now pulled out); only seen along this 88 m of roadside.