Known only from Ft. Hunter Liggett and Camp Roberts. Threatened by habitat fragmentation, habitat conversion, non-native plants, foot traffic, vehicles, and military activities. Potentially threatened by grazing. See Zoe 4:159 (1893) for original description.
California Native Plant Society (CNPS).
Inventory of Rare and Endangered Plants (online edition, v8-02).
California Native Plant Society. Sacramento, CA. Accessed on
.