Hieracium murorum, the wall hawkweed, is a species of flowering plant in the family Asteraceae. It is native to Europe and naturalized in some of the colder regions of North America.Hieracium murorum. Flora of North America.Biota of North America Program 2014 state-level distribution mapAltervista Flora Italiana, Sparviere dei boschi, Hieracium murorum L.
