*Picris Linnaeus. Bitterweed, Oxtongue.
A genus of about 40 species, of the Old World, particularly the Mediterranean region.
Ref: Cronquist (1980); Strother (2006w) In Flora of North America Editorial Committee (2006a). Show full citations.
Hover over a shape, letter, icon, or arrow on the map to see what it means. Data for arrows not developed for genera and families which may have species only occurring outside the flora area.