NatureServe Conservation Status
Rounded Global Status Rank: G1 - Critically Imperiled
Reasons: Known only from approximately 12 occurrences in California and 1 in Nevada (California Department of Fish and Game 2000; Morefield 2001). Locations are in the Klamath Ranges, Sweetwater Mountains, and the White and Inyo Mountains (Hickman 1993). Disjunct occurrences in northern California may be taxonomically distinct from those in the transmontane (CNPS 2001).