Africa Northern Africa Algeria Morocco Tunisia Asia-Temperate Caucasus North Caucasus Transcaucasus China Xinjiang Middle Asia Kazakhstan Siberia Altay Krasnoyarsk Tuva West Siberia Western Asia Iran Iraq Turkey 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 Ireland Norway Sweden Southeastern Europe Albania Bulgaria Greece Italy Romania Turkey-in-Europe Yugoslavia Southwestern Europe Corse France Portugal Spain Introduced into Africa Macaronesia Canary Is. Asia-Temperate Middle Asia Uzbekistan Northern America Eastern Canada New Brunswick Nova Scotia Ontario Québec North-Central U.S.A. Illinois Iowa Minnesota Nebraska 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 Wyoming Southeastern U.S.A. Kentucky Maryland Tennessee Western Canada Manitoba Saskatchewan

Africa Northern Africa Algeria Morocco Tunisia Asia-Temperate Caucasus North Caucasus Transcaucasus China Xinjiang Middle Asia Kazakhstan Siberia Altay Krasnoyarsk Tuva West Siberia Western Asia Iran Iraq Turkey 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 Ireland Norway Sweden Southeastern Europe Albania Bulgaria Greece Italy Romania Turkey-in-Europe Yugoslavia Southwestern Europe Corse France Portugal Spain Introduced into Africa Macaronesia Canary Is. Asia-Temperate Middle Asia Uzbekistan Northern America Eastern Canada New Brunswick Nova Scotia Ontario Québec North-Central U.S.A. Illinois Iowa Minnesota Nebraska 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 Wyoming Southeastern U.S.A. Kentucky Maryland Tennessee Western Canada Manitoba Saskatchewan