Northern America Eastern Canada Ontario Québec Mexico Mexico Gulf Mexico Northeast Mexico Northwest Mexico Southwest North-Central U.S.A. Illinois Iowa Kansas Minnesota Missouri Nebraska North Dakota Oklahoma South Dakota Wisconsin Northeastern U.S.A. Connecticut Indiana Maine Masachusettes Michigan New Hampshire New Jersey New York Ohio Pennsylvania Rhode I. Vermont West Virginia Northwestern U.S.A. Colorado Idaho Montana Oregon Washington Wyoming South-Central U.S.A. New Mexico Texas Southeastern U.S.A. Alabama Arkansas Delaware District of Columbia Florida Georgia Kentucky Louisiana Maryland Mississippi North Carolina South Carolina Tennessee Virginia Southwestern U.S.A. Arizona California Utah Western Canada Alberta British Columbia Manitoba Saskatchewan Introduced into Europe Eastern Europe Central European Russia South European Russia Middle Europe Austria

Northern America Eastern Canada Ontario Québec Mexico Mexico Gulf Mexico Northeast Mexico Northwest Mexico Southwest North-Central U.S.A. Illinois Iowa Kansas Minnesota Missouri Nebraska North Dakota Oklahoma South Dakota Wisconsin Northeastern U.S.A. Connecticut Indiana Maine Masachusettes Michigan New Hampshire New Jersey New York Ohio Pennsylvania Rhode I. Vermont West Virginia Northwestern U.S.A. Colorado Idaho Montana Oregon Washington Wyoming South-Central U.S.A. New Mexico Texas Southeastern U.S.A. Alabama Arkansas Delaware District of Columbia Florida Georgia Kentucky Louisiana Maryland Mississippi North Carolina South Carolina Tennessee Virginia Southwestern U.S.A. Arizona California Utah Western Canada Alberta British Columbia Manitoba Saskatchewan Introduced into Europe Eastern Europe Central European Russia South European Russia Middle Europe Austria