United States, California, Butte, Side ravine on south side of Montgomery Bar Ravine, ca 0.3 mi from Lake Oroville highwater mark. T20N R05E S26 SW1/4 USGS Quadrangle: Oroville Dam 1:24,000
39.560833 -121.385556 +-402m. NAD83
T20N R05E S26 SW1/4; 39§ 33m 39s N; 121§ 23m 8s W
378 meters
1240ft.
Ponderosa pine woodland with Quercus chrysolepis, Q. wislizenii, Heteromeles arbutifolia, Rhamnus californica, Arctostaphylos viscida. On filled area in ravine at bend in dirt road. Common; plants with numerous erect stems radiating from central point at ground level, 3-4 ft tall; flowers pale yellow (greenish yellow), beginning to turn brown upon anthesis.