Asia-Temperate Caucasus North Caucasus Transcaucasus China China North-Central China South-Central China Southeast Inner Mongolia Manchuria Tibet Eastern Asia Japan Korea Middle Asia Kazakhstan Russian Far East Amur Khabarovsk Kuril Is. Primorye Siberia Altay Krasnoyarsk West Siberia Western Asia East Aegean Is. Iran Lebanon-Syria Turkey Asia-Tropical Indo-China Vietnam Europe Eastern Europe Baltic States Belarus Central European Russia East European Russia Krym North European Russia Northwest European Russia South European Russia Ukraine Middle Europe Austria Belgium Czechoslovakia Germany Hungary Netherlands Poland Switzerland Northern Europe Denmark Finland Great Britain Norway Sweden Southeastern Europe Albania Bulgaria Greece Italy Romania Sicilia Turkey-in-Europe Yugoslavia Southwestern Europe Corse France Spain Northern America Eastern Canada New Brunswick Ontario Québec Mexico Mexico Central Mexico Gulf Mexico Northeast Mexico Northwest Mexico Southeast 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 South-Central U.S.A. Texas Southeastern U.S.A. Alabama Arkansas Delaware District of Columbia Florida Georgia Kentucky Louisiana Maryland Mississippi North Carolina South Carolina Tennessee Virginia Western Canada Manitoba Saskatchewan Introduced into Asia-Temperate Middle Asia Uzbekistan Europe Northern Europe Ireland

Asia-Temperate Caucasus North Caucasus Transcaucasus China China North-Central China South-Central China Southeast Inner Mongolia Manchuria Tibet Eastern Asia Japan Korea Middle Asia Kazakhstan Russian Far East Amur Khabarovsk Kuril Is. Primorye Siberia Altay Krasnoyarsk West Siberia Western Asia East Aegean Is. Iran Lebanon-Syria Turkey Asia-Tropical Indo-China Vietnam Europe Eastern Europe Baltic States Belarus Central European Russia East European Russia Krym North European Russia Northwest European Russia South European Russia Ukraine Middle Europe Austria Belgium Czechoslovakia Germany Hungary Netherlands Poland Switzerland Northern Europe Denmark Finland Great Britain Norway Sweden Southeastern Europe Albania Bulgaria Greece Italy Romania Sicilia Turkey-in-Europe Yugoslavia Southwestern Europe Corse France Spain Northern America Eastern Canada New Brunswick Ontario Québec Mexico Mexico Central Mexico Gulf Mexico Northeast Mexico Northwest Mexico Southeast 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 South-Central U.S.A. Texas Southeastern U.S.A. Alabama Arkansas Delaware District of Columbia Florida Georgia Kentucky Louisiana Maryland Mississippi North Carolina South Carolina Tennessee Virginia Western Canada Manitoba Saskatchewan Introduced into Asia-Temperate Middle Asia Uzbekistan Europe Northern Europe Ireland