United States, California, Plumas, Northern California; Sierra Nevada Flora - Plumas National Forest. Near summit of ridge at headwaters of Bull Run Creek off USFS 23N12E. [Original lat./long. on label is "39 54 N; 120 58 W"]. USGS Quadrangle: Mt. Ingalls 1:24000
39.901667 -120.649722 +-402m. NAD83
39§ 54m 6s N; 120§ 38m 59s W
2100 meters (6888ft)
Open sandy sites within Wythia mollis meadows. Annual, flowers white, uncommon.