Houndstongue (Cynoglossum officinale) Also known as houndstooth, dog's tongue, gypsy flower, and rats and mice due to its smell) is a herbaceous plant of the family Boraginaceae.

It has been used in herbal remedies from a treatment for madness to urinary infections and piles. It is toxic to grazing animals. Widespread in Europe. Essentially a montane species in S Europe. Mt Terminillo, Leonessa, Umbria, Italy JUly 2020