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Asia-Temperate Siberia West Siberia Western Asia Turkey Europe Eastern Europe Baltic States Belarus Central European Russia East European Russia Krym Northwest European Russia South European Russia Ukraine Middle Europe Austria Belgium Czechoslovakia Germany Hungary Netherlands Poland Switzerland Northern Europe Finland Føroyar Great Britain Norway Sweden Southeastern Europe Albania Bulgaria Greece Italy Turkey-in-Europe Yugoslavia Southwestern Europe France Portugal Spain Introduced into Asia-Temperate Eastern Asia Japan Russian Far East Primorye Australasia Australia Tasmania New Zealand New Zealand North New Zealand South Europe Southeastern Europe Romania Southwestern Europe Corse Sardegna Northern America Eastern Canada New Brunswick Newfoundland Nova Scotia Ontario Prince Edward I. Québec North-Central U.S.A. Illinois Iowa Kansas Minnesota Missouri Nebraska North 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. Texas Southeastern U.S.A. Alabama Arkansas Delaware District of Columbia Georgia Kentucky Maryland North Carolina South Carolina Tennessee Virginia Southwestern U.S.A. California Nevada Utah Western Canada British Columbia Manitoba Saskatchewan Southern America Western South America Colombia