Cirsium horridulum
Cirsium horridulum
Cirsium horridulum Michx.
Engl.: yellow thistle.
Bot. syn.: Carduus spinosissimus Walt., Cirsium spinosissimum auct. non (L.) Scop.
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.