United States, California, Butte, North end of Long Bar Rd., just south of the boundary of the State Recreation Area on the south side of Thermalito Diversion Pool, near Oroville. T19N R04E S03 SE1/4 of NW1/4
39.533611 -121.515556 +-402m. NAD83
T19N R04E S03 SE1/4 of NW1/4; 39§ 32m 1s N; 121§ 30m 56s W
98 meters
320ft.
Foothill Woodland. Perennial with a woody caudex and taproot on the edge of a marshy roadside ditch.