United States, California, Plumas, Northern High Sierra Nevada. Plumas National Forest; above Road 23N73Y 3.4 road-km north of Oroville-Quincy Hwy and Grizzly Summit. T23N R06E S02 NE1/4 of SW1/4 USGS Quadrangle: Soapstone Hill 1:24,000
39.8725 -121.28 WGS 1984
T23N R06E S02 NE1/4 of SW1/4; 39§ 52m 21s N; 121§ 16m 48s W
1696 meters (5563ft)
Near head of steeply north-facing drainage. Filtered sun in ±open forest of white fir, sugar pine, western white pine, incense cedar, huckleberry oak, pine-mat manzanita. Rocky drainage, soapstone substrate (peridotite); with lush Adiantum aleuticum, Frangula purshiana ssp. annonifolia, Senecio triangularis, Spiraea densiflora, Lilium pardalinum, Aquilegia Formosa, Perideridia sp., Hosackia oblongifolia. Abundant in drier parts of the drainage and adjacent forest floor; flowers very pale violet to white.