Arctium Linnaeus. Burdock.
A genus of about 11 species (though circumscription remains uncertain), herbs, of the temperate Old World.
Ref: Cronquist (1980); Duistermaat (1996); Keil (2006h) 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.