Cetraria nivalis:
Cetraria nivalis:
Cetraria nivalis (L.) Ach.
Bot. syn.: Allocetraria cucullata (Bellardi) Randlane & Saag.
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.