Orrigin: Moist, shaded, and limy rocks or steep banks; humus-rich woods.
Uses: This herb is used as a refrigerant, expectorant, and tonic. A tea of this herb is used to treat coughs, nasal congestion or catarrh, and hoarseness.
A guide to medicinal plants of Appalachia/ Krochmal, Arnold; Walter, Russel S.; Doughty, Richard M.: USA: U.S.D.A Forest Service:,1959