Plagiochila is a large, common, and widespread genus of liverworts in the orderJungermanniales.[1] It is a member of the familyPlagiochilaceae within that order. There may be anywhere from 500 to 1300 species, most of them from the tropics; the exact number is still under revision. The genus also has a wide distribution in temperate and arctic areas.
^Schuster, Rudolf M. (1980). The Hepaticae and Anthocerotae of North America. Vol. IV. New York: Columbia University Press. pp. 342–539. ISBN0-231-04608-1.