"While often thought of as a weed because of its propensity for spreading, Glechoma has culinary and medicinal uses which were the cause of its being imported to America by early European settlers. The fresh herb can be rinsed and steeped in hot water to create an herbal tea which is rich in vitamin C. It has a distinctive, mildly peppery flavor; it can be cooked as a pot herb, although it is most commonly eaten as a fresh salad green.[6]..."
thanks, Wikipedia!