Ligusticum porteri
Ligusticum porteri
Ligusticum porteri Coult. & Rose.
Engl.: osha, Porter's licorice-root.
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.