Published in Fl. Bor.-Amer. (Michaux) 1: 43. 1803 [19 Mar 1803]
The native range of this species is Temp. & Subtropical Northern Hemisphere to Tropical Mountains. It is a perennial or rhizomatous geophyte and grows primarily in the temperate biome. It is used to treat unspecified medicinal disorders, as animal food, a poison and a medicine, has environmental uses and for food.