Rank ReasonsOccurring in the Colorado Plateau in desert shrublands and pinyon-juniper communities, often on sandy ground, and sometimes gypseous clay in Nevada. Scattered in sites from the Clark Mountains of eastern California to western Colorado. Rare in the peripheral portions of its range in California and Nevada, with a patchy distribution in Utah according to Albee et al. (1988).
Range Extent CommentsReported in Utah (Duchesne, Emery, Grand, Iron, Kane, Millard, San Juan, Sevier, Tooele, Uintah, Washington, and Wayne Counties (Welsh et al. 1993), California (Clark Mts (Hickman 1993), Nevada and Arizona by Kartesz (1988) and in the Colorado and Gunnison River Valleys of western Colorado by Weber (1987).