PROTECTION STATUS: Endangered
YEAR PLACED ON LIST: 2002
CRITICAL HABITAT: 783 acres in San Diego and Riverside counties
RECOVERY PLAN: None
RANGE: San Diego and Riverside counties in Southern California, as well as the northern state of Baja California, Mexico
THREATS: Urban sprawl, agricultural expansion, livestock grazing, off-road vehicles, pesticide spraying, road construction, and the introduction of exotic species
POPULATION TREND: Fewer than 15 viable populations remain, down from 49 as recently as 1999. Of these, the long-term viability of seven populations is questionable, and another consists of only one plant.