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 +-150m. 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. Associate spp. Penstemon neotericus, Allium platycaule, Allium campanulatum, Arnica discoidea, Osmorrhiza occidentalis, Ribes viscossissimun var. hallii, Verbascum thapsus, Helianthella californica var. nevadensis, Arabis holboelii, var. pinetorum, Eriogonum nudum.