United States, California, Butte, Ca 5.5 air mi SE of Town of Paradise, in bottom of unnamed canyon just S of Neal Road, ca 60 ft N of creek channel directly under transmission lines. T21N R02E S14 NE1/4 of NE1/4 USGS Quadrangle: Hamlin Canyon 1:24,000
39.680556 -121.715 +-402m. NAD83
T21N R02E S14 NE1/4 of NE1/4; 39§ 40m 50s N; 121§ 42m 54s W
85 meters
280ft.
In full sun in vernally moist, deeply cracking, heavy dark gray clay soil, with Monardella douglasii ssp. venosa, Centaurea solstitialis, Avena fatua, Taeniatherum caputmedusae, Hesperolinon californicum, Calycadenia truncata, and Navarretia nigelliformis.