Calochortus fimbriatus is a California species of flowering plant in the lily family known by the common name late-blooming mariposa lily. It is native to the coastal mountain ranges of southern Monterey, San Luis Obispo, Santa Barbara and northern Ventura counties, where it is a member of the chaparral flora.

This species is listed as "rare, threatened or endangered in California and elsewhere" and "fairly endangered in California" (CNPS: 1B.2).

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