Roccella tinctoria
Roccella tinctoria
Roccella tinctoria DC.
Engl.: cudbear, litmus, dyer's moss, lacmus, orchilla weed, tournesol, turnesole.
Sven.: lackmus, orselj.
Suom.: lakmus, orselji.
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.