[Wikipedia] Europe native, Noxious weed: Hypochaeris radicata (sometimes spelled Hypochoeris radicata) also known as catsear, flatweed,[1][2] cat's-ear,[3] hairy cat's ear,[4] or false dandelion, is a perennial, low-lying edible herb often found in lawns. The plant is native to Europe,[5] but has also been introduced to the Americas,[6][7][8] Japan,[9] Australia,[10] and New Zealand, where it can be an invasive weed. It is listed as a noxious weed in the northwestern U.S. state of Washington.[11] (link added by Mary Ann Machi)