Conyza bonariensis
Conyza bonariensis
Conyza bonariensis (L.) Cronq.
Engl.: asthmaweed, flax-leaf fleabane, wavy-leaf fleabane.
Bot. syn.: Erigeron bonariensis L.
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.