Xanthoria parietina
Xanthoria parietina
Xanthoria parietina (L.) Th. Fr.
Engl.: common orange lichen, maritime sunburst lichen.
Bot. syn.: Lichen parietinus L.
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.