Asia-Temperate Caucasus North Caucasus Middle Asia Kazakhstan Siberia West Siberia Western Asia 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 Norway Sweden Southeastern Europe Albania Bulgaria Greece Italy Romania Turkey-in-Europe Yugoslavia Southwestern Europe France Sardegna Spain Introduced into Europe Northern Europe Great Britain Northern America Eastern Canada New Brunswick Ontario Québec North-Central U.S.A. Minnesota Wisconsin Northeastern U.S.A. Connecticut Masachusettes Michigan New York Pennsylvania Vermont Northwestern U.S.A. Montana Oregon Southeastern U.S.A. North Carolina Virginia Southwestern U.S.A. Utah Western Canada British Columbia

Asia-Temperate Caucasus North Caucasus Middle Asia Kazakhstan Siberia West Siberia Western Asia 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 Norway Sweden Southeastern Europe Albania Bulgaria Greece Italy Romania Turkey-in-Europe Yugoslavia Southwestern Europe France Sardegna Spain Introduced into Europe Northern Europe Great Britain Northern America Eastern Canada New Brunswick Ontario Québec North-Central U.S.A. Minnesota Wisconsin Northeastern U.S.A. Connecticut Masachusettes Michigan New York Pennsylvania Vermont Northwestern U.S.A. Montana Oregon Southeastern U.S.A. North Carolina Virginia Southwestern U.S.A. Utah Western Canada British Columbia