United States, California, Butte, S side of canyon, middle fork of Feather River at Milsap Bar, ca. 20.5 mi NE of Oroville. T22N R06E S35 SE1/4 of SE1/4 USGS Quadrangle: Brush Creek 1:24,000
39.710833 -121.2725 +-402m. NAD83
T22N R06E S35 SE1/4 of SE1/4; 39§ 42m 39s N; 121§ 16m 21s W
610 meters
2000ft.
In cracks of limestone cliff. Associates: Erysimum capitatum, Diplacus grandiflorus, Castilleja applegatei, Heuchera micrantha, Eriophyllum lanatum.