Family Code: ONAGRA Genus Code: EPILO Genus CN: willowherb Genus Authority: L. Genus Summary: A genus of ca. 165 species (ca. 185 taxa), herbs, distributed primarily in boreal and alpine latitudes and elevations. All five of the species in our area reach or approach their southern limits in eastern North America in our area. All members of the genus in our area are placed in section Epilobium. Genus References: Wagner, Hoch, & Raven (2007)=U; Munz (1965)=Z. Last Updated: 2019-11-29 Publish: 1