United States, California, Butte, Plumas National Forest. Above Jordan Creek headwaters S of Hwy 162 near Roger's Cow Camp. [Lat./Long. on label is "39 46 N; 121 17 W"]. USGS Quadrangle: Soapstone Hill 1:24000
39.776111 -121.294722 +-402m. NAD83
39§ 46m 34s N; 121§ 17m 41s W
1300 meters (4264ft)
Uncommon annual in dry, disturbed, gravelly spot. Forest dense, diverse here.