Alsophila extensa:
Alsophila extensa:
Alsophila extensa Bl., Cyatheaceae: See Hemitelia crenulata Mett.
Alsophila extensa Desv., Cyatheaceae: See Cyathea medullaris (G. Forst.) 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.