Polyporus ribis:
Polyporus ribis:
Polyporus ribis Schum., Hymenochaetaceae: See Phellinus ribis (Schum.) Karst., See Phylloporia ribis (Schumach.) Ryvarden.
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.