CA, Baja Mexico. This Perennial relative of the sunflower
is restricted to San Diego and Riverside Counties, California
and Baja California, Mexico, from Colonet to Lake Chapala.
Its habitat is flat or sloping grasslands, often along valley
bottoms or areas adjacent to vernal pools.
Urban Development, road building, non-native plants, livestock
grazing, off-road vehicles.
Original listing petition filed in 1978 by the Smithsonian
Institution. Declared "warranted but precluded" for endangered
listing on 10-13-83. Second listing petition filed on 1-9-97
by Center for Biodiversity and California Native Plant Society.
90-day finding issued by U.S. Fish & Wildlife Service following
litigation on 4-9-99. Proposed endangered listed issued by
U.S. Fish & Wildlife Service following litigation on 12-29-99.
To Be Taken:
Final listing rule.