United States, California, Shasta, North slope of Hirtz Mountain. Approximately 0.10 mi. north-northwest of the Hirtz Mountain lookout. Bollibokka Mountain Quadrangle, 7.5' T35N, R3W, S7, NW 1/4 of SE1/4.
40.898328 -122.24637 NAD83
10T 0563479E 4527744N
1067 meters
3500 ft.
Montane chaparral and with montane hardwood-conifer forest. Steep limestone outcrops and cliffs, with a mix of open (barren rock) and vegetated areas, open to moderate overstory. Slopes very steep, some vertical. Found growing on steep rocky slopes among boulders and cobbles, and in cracks and crevices on limestone cliffs.