Classic texts: King's 1898.
Tussilago farfara
Tussilago farfara L.
Engl.: coltsfoot, bullsfoot, coughwort, son-before-father.
Deu.: Huflattich, Rosslattich.
Suom.: leskenlehti.
Sven.: hästhov, tussilago.
Fran.: tussilage.
Ital.: farfara.
4.2. Medical plants of the family Asteraceae containing pyrrolizidine alkaloids.
Herbal articles: Pyrrolizidine alkaloids.
Comfrey again.
Henriette's herbal blog: The myth that comfrey is completely benign just won't die.
Tussilaginis Flores, Coltsfoot Flowers. Tussilaginis Folia, Coltsfoot Leaves.
Classic texts: BPC 1911.
Coltsfeet.
Henriette's herbal blog: The first wildflowers of the year.
Coltsfoot toxicity.
Henriette's herbal blog: "Coltsfoot" includes both Tussilago and the various species of Petasites.
Coltsfoots.
Henriette's herbal blog: Tussilago and Petasites in flower, yay!