United States, California, Tehama, Lassen Volcanic National Park. Canyon bottom along West Sulphur Creek east of Sulphur Works Entrance Station. T29N R04E S27 NW1/4
40.435833 -121.528333 +-16093m. NAD83
T29N R04E S27 NW1/4; 40§ 26m 9s N; 121§ 31m 42s W
1829 meters
6000ft.
Rocky talus slopes and ecotone to mixed conifer forest, canyon bottom along fcreek. Associate spp.: Penstemon neotericus, Allium platycaule, Allium campanulatum, Arnica discoidea, Osmorrhiza occidentalis, Dicentra formosa, Ribes viscossissimum var. hallii, Verbascum thapsus, Helianthella californica var. nevadensis, Eriogonum nudum.