United States, California, Butte, Northern High Sierra Nevada. Along Old Forbestown Road 2.5 road km southeast of Forbestown Reservoir Road; 3.6 air km east of Forbestown; near headwaters of Costa Creek. South-facing slopes. T19N R07E S07 NE1/4 of SE1/4 USGS Quadrangle: Clipper Mills 1:24,000
39.5175 -121.225 NAD 1983
T19N R07E S07 NE1/4 of SE1/4; 39§ 31m 3s N; 121§ 13m 30s W
829 meters (2719ft)
Serpentine, rocky, south-facing slopes; scattered gray pine, occasional Ponderosa pine & incense cedar; thick with shrubs/chaparral: Quercus durata, Arctostaphylos viscida, Ceanothus cuneatus, Polygala cornuta, etc. An under-shrub 1-2 dm tall; flowers purple.