United States, California, Glenn, Near Balck Diamond Ridge, close to the town of Stonyford. USGS Quadrangle: Stonyford
39.410556 -122.620833
39§ 24m 38s N; 122§ 37m 15s W
975 meters (3198ft)
This herb was collected from a chapparal or brushland in the general vicinity of a disturbed area on a west exposure as a member of the herb layer in a flowering and fruiting state. It was growing on soil of a serpentine rock.
Dibble and Griggs Rare Plant Study, 1979. CARD # 30821. HERB # 28329.