Iva xanthifolia
Iva xanthifolia
Iva xanthifolia Nutt.
Engl.: Giant Sumpweed, Iva.
Bot. syn.: Cyclachaena xanthifolia (Nutt.) Fresen.
A herbal distance course
Henriette's herbal is one of the oldest and largest herbal medicine sites on the net. It's been online since 1995, and is run by Henriette Kress, a herbalist in Helsinki, Finland.