Black-berried Heath/ Crowberry(Empetrum nigrum)
The leafy branches have been used, especially for children with a fever, as a diuretic. It has also been used to treat kidney problems. A decoction or infusion of the stems, or the cooked berries, have been used in the treatment of diarrhoea. A decoction of the leaves and stems, mixed with Hudson Bay tea and young spruce tree tips, has been used in the treatment of colds. A decoction of the roots has been used as an eyewash to remove a growth.