Click here for information about Tripleurospermum.
Click here for photos of Tripleurospermum maritimum.
Old texts: Hayne's Darstellung und Beschreibung, 2te Auflage, vol. 1, 1853: the images.
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.