Hieracium floribundum (also known as Pale Hawkweed, Smoothish Hawkweed, Yellow hawkweed, and Yellow Devil Hawkweed) is a species of noxious and herbaceous perennial plant from Asteraceae family that is known in Europe (particularly France) and can also be found in United States and Canada. It was believed that it was a hybrid of Hieracium caespitosum and Hieracium lactucella.