Salvinia
Click here for images of Salvinia.Salvinia adnata
Salvinia adnata Desv.
Engl.: kariba-weed, giant salvinia.
Bot. syn.: Salvinia molesta D. Mitch.
Salvinia natans
Salvinia natans (L.) All.
Engl.: floating watermoss, water fern.
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.