[Wikipedia] Range, Varieties: Calochortus palmeri is a species of flowering plant in the lily family known by the common names Palmer's mariposa lily and strangling mariposa. It is endemic to California, where it is distributed in the Transverse Ranges and Peninsular Ranges of Southern California (Santa Barbara, Ventura, Los Angeles, San Bernardino, Kern, Riverside, and San Diego Counties). There is also a report of an isolated population in the Diablo Range in San Benito County. Varieties Calochortus palmeri var. munzii. Munz's mariposa lily - rarer of the two, and known only from the Peninsular Ranges in Riverside and San Diego Counties. Calochortus palmeri var. palmeri. Palmer's mariposa lily native to the Transverse Ranges. formerly included Calochortus palmeri var. dunnii, now called Calochortus dunnii (link added by Mary Ann Machi)