 Several species including "Entoloma saepium", "E. clypeatum", "E. aprile" and "E. saundersii" are thought to form mycorrhizal relationships with members of the Rosaceae including "Malus", "Pyrus", "Crataegus" and "Prunus".Entolomas are found the world over, from the equator to polar regions.Some Arctic species are circumpolar in their distribution.