Classic texts: King's 1898.
Symphytum officinale
Symphytum officinale L.
Engl.: common comfrey, boneset, comfrey, comfry, consolida, consound, knitback, knitbone, slippery root.
Deu.: Beinwell, Beinwurz, Gemeiner Beinwell, Grosse Wallwurz, Schwarzwurz, Wallwurz.
Suom.: rohtoraunioyrtti, mustajuuri, raunioyrtti.
Sven.: vallört.
Ital.: consolida.
Pharm.: radix consolidae majoris.
Bot. syn.: Symphytum uliginosum Kern.
4.1. Medicinal plants of the family Boraginaceae containing pyrrolizidine alkaloids.
Herbal articles: Pyrrolizidine alkaloids.
Comfrey again.
Henriette's herbal blog: The myth that comfrey is completely benign just won't die.