Umbilicaria muehlenbergii
Umbilicaria muehlenbergii
Umbilicaria muehlenbergii (Ach.) Tuck.
Engl.: Muehlenberg's navel lichen.
Bot. syn.: Actinogyra muehlenbergii (Ach.) Schol., Gyrophora muelhenbergii Ach.
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.