Habitat
Foothills and valleys, usually in sloped areas. Found in relatively open yellow pine forest/woodland, meadows and meadow edges, brushy areas of sagebrush or bitterbrush, roadsides, and occasionally along small creeks or intermittent streams. Substrates vary from rocky to fine and vary in composition, including basalt, shale, serpentine, peridotite, and decomposing pumice. Soils are usually dry, occasionally moist. Co-occurring species include Pinus ponderosa, Quercus garryana, Delphinium multiplex, Hydrophyllum capitatum, Galium aparine, Montia perfoliata, Poa secunda, Astagalus reventiformis, Lomatium grayii, Lomatium triternatum, Poa bulbosa, Erythronium sp., Penstemon sp., and Balsamorhiza sp. 100 - 1800 m.