Didymochlaena
Didymochlaena truncatula
Didymochlaena truncatula (Sw.) J. Sm.
Engl.: mahogany fern.
Suom.: vahasanikka.
Bot. syn.: Aspidium truncatulum Sw.
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.