Yerba mansa (Anemopsis californica) belongs to the Saururaceae (Lizard's-tail family). Anemopsis has only one species, Anemopsis californica. It is a perennial herb that is native to southwestern North America. This herb grows on very wet soil or shallow water, and can reach about 30 cm in height. The leaves are mostly basal, and the stem leaves are subtended by a sheathing bract. The iconic white flowers are borne in early spring, and are surrounded by 4-9 large white bracts. Yerba mansa is used as an antimicrobial, and to treat vaginal candidiasis.