Classic texts: King's 1898.
Ageratina altissima
Ageratina altissima (L.) R. M. King & H. Rob.
Engl.: white snakeroot, pool root, richweed.
Suom.: valkolatva.
Sven.: rostflockel.
Bot. syn.: Ageratina ageratoides (L. f.) Spach, Ageratum altissimum L., Eupatorium ageratoides L. f., Eupatorium rugosum Houtt.
The Medical Flora of Kansas: Dioscorea - Gymnocladus.
Classic texts: Journals: TNEMA 1882-1883.