Lilium occidentale is a rare North American species of lily known by the common name western lily. It is native to northwestern California and southwestern Oregon. It grows in coastal prairie habitat, swamps and stagnant bogs with Drosera species, bluffs and sandy cliffs, and seaside spruce forests. This rare wildflower is limited in distribution and directly endangered by a number of environmental factors. It is a federally listed endangered species and it is listed as endangered by the states of California and Oregon.