It is native from Norway south as far as Switzerland. By this rule, Pinus resinosa , red or Norway pine, is not an exotic species, although it is not native to either the prairie or the hardwood ecosystems of southern or western Minnesota. Hybrid Plant produced by crossing two species, or strains within a species. May occur naturally or artificially. The cultivar Acer x freemani 'Jeffersred', Autumn Blaze TM maple is a selection of Freeman maple.
Freeman maples are hybrids of red maple and silver maple.
Most corn varieties grown are hybrids produced from crossing two inbred parents. A species that is established in a natural ecosystem in which it was not historically present. Rhamnus cathartica , common buckthorn, is a non-native species that escapes from cultivation. Syringa vulgaris , lilac, is a non-native species that does not escape cultivation. A defined area may be a site, state, region, Ecological Classification System Subsection or Province, or the U.S.A. or North America.