United States, California, Butte, Above Butte Meadows, along Humboldt Road, 1.5 mi S of Lassen Nat. Forest boundary and 1.1 mi N of road to Stirling City. In ditches at roadside.
40.080556 -121.553056 +-402m. NAD83
40§ 4m 50s N; 121§ 33m 11s W
In ditches at roadside in montane forest of Pinus ponderosa, P. contorta ssp murrayana, Calocedrus decurrens; with Lotus purshianus, Gilia leptalea, Calystegia polymorpha, Epilobium paniculatum.