Ageratina

Ageratina Spach.
Engl.: snakeroot.

Ageratina adenophora (Spreng.) King & Robins.
Engl.: crofton weed, sticky snakeroot, catweed, Mexican devil, sticky agrimony.
Bot. syn.: Eupatorium adenophorum Spreng., Eupatorium glandulosum Kunth, non Michx.

Ageratina ageratoides (L. f.) Spach, Asteraceae: See Ageratina altissima (L.) King & H. E. Robins.

Ageratina altissima (L.) R. M. King & H. Rob.
Engl.: white snakeroot, pool root, richweed.
Sven.: rostflockel.
Suom.: valkolatva.
Bot. syn.: Ageratina ageratoides (L. f.) Spach, Ageratum altissimum L., Eupatorium ageratoides L. f., Eupatorium rugosum Houtt.

Ageratina aromatica (L.) Spach.
Engl.: lesser snakeroot, aromatic eupatorium, hemp-weed, mata, small white snakeroot, white snakeroot.
Bot. syn.: Eupatorium aromaticum L., Eupatorium latidens Small.

Ageratina riparia (Regel) R.M.King & H.Rob,.
Engl.: spreading mistflower, spreading snakeroot, creeping croftonweed, mistflower, river eupatorium.
Bot. syn.: Eupatorium riparium Regel.