Sowthistle.
Botanical name:
Classic texts: John Hill 1812.
Classic texts: John Hill 1812.
Sonchus palustris L.
Engl.: marsh sow-thistle.
Deu.: Sumpf-Gänsedistel.
Fran.: laiteron des marais.
Sven.: strandmolke, strandtistel.
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.