United States, California, Butte, Northern High Sierra Nevada. Plumas National Forest; along Ponderosa Way 4.3 road-km north of Lower Forbestown Road; 2.7 air-km north of Sunset Hill; north-facing side of the canyon above the upper end of South Fork Feather River arm of Lake Oroville. T19N R06E S04 SW1/4 of NW1/4 USGS Quadrangle: Forbestown 1:24,000
39.536389 -121.311389 WGS 1984
T19N R06E S04 SW1/4 of NW1/4; 39§ 32m 11s N; 121§ 18m 41s W
483 meters (1584ft)
Substrate probably of metamorphic rock; steep high north-facing rock outcrop road cutbank next to small creek; partial shade from canyon live oak, madrone, California bay, plus scattered incense cedar, Douglas-fir; white alder along the creek; outcrop thickly covered by mosses and lots of Sedum spathulifolium, Polypodium calirhiza, Heuchera. Flowers bright white; plants floppy, at base of mossy outcrop.