Europe Eastern Europe Ukraine Middle Europe Austria Belgium Germany Hungary Netherlands Poland Switzerland Northern Europe Great Britain Southeastern Europe Albania Bulgaria Italy Romania Sicilia Yugoslavia Southwestern Europe Baleares Corse France Portugal Sardegna Spain Introduced into Australasia Australia New South Wales South Australia Tasmania Victoria New Zealand New Zealand South Europe Eastern Europe Baltic States South European Russia Middle Europe Czechoslovakia Northern Europe Denmark Finland Ireland Norway Sweden Northern America Eastern Canada New Brunswick Newfoundland Nova Scotia Ontario Québec North-Central U.S.A. Illinois Iowa Kansas Minnesota Missouri Nebraska 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. Idaho Oregon Washington South-Central U.S.A. Texas Southeastern U.S.A. Alabama Arkansas Delaware District of Columbia Georgia Kentucky Louisiana Maryland Mississippi North Carolina South Carolina Tennessee Virginia Southwestern U.S.A. Utah Western Canada British Columbia

Europe Eastern Europe Ukraine Middle Europe Austria Belgium Germany Hungary Netherlands Poland Switzerland Northern Europe Great Britain Southeastern Europe Albania Bulgaria Italy Romania Sicilia Yugoslavia Southwestern Europe Baleares Corse France Portugal Sardegna Spain Introduced into Australasia Australia New South Wales South Australia Tasmania Victoria New Zealand New Zealand South Europe Eastern Europe Baltic States South European Russia Middle Europe Czechoslovakia Northern Europe Denmark Finland Ireland Norway Sweden Northern America Eastern Canada New Brunswick Newfoundland Nova Scotia Ontario Québec North-Central U.S.A. Illinois Iowa Kansas Minnesota Missouri Nebraska 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. Idaho Oregon Washington South-Central U.S.A. Texas Southeastern U.S.A. Alabama Arkansas Delaware District of Columbia Georgia Kentucky Louisiana Maryland Mississippi North Carolina South Carolina Tennessee Virginia Southwestern U.S.A. Utah Western Canada British Columbia