Native to:
Afghanistan,
Albania,
Algeria,
Altay,
Assam,
Austria,
Baleares,
Baltic States,
Bangladesh,
Belarus,
Belgium,
Botswana,
Bulgaria,
Buryatiya,
Cambodia,
Cape Provinces,
Central European Rus,
China North-Central,
China South-Central,
China Southeast,
Chita,
Corse,
Czechoslovakia,
Denmark,
East European Russia,
East Himalaya,
Egypt,
Ethiopia,
Finland,
France,
Free State,
Germany,
Great Britain,
Greece,
Hungary,
India,
Inner Mongolia,
Iran,
Iraq,
Ireland,
Irkutsk,
Italy,
Japan,
Kazakhstan,
Kirgizstan,
Korea,
Krasnoyarsk,
Krym,
KwaZulu-Natal,
Laos,
Lebanon-Syria,
Libya,
Malawi,
Manchuria,
Mongolia,
Mozambique,
Myanmar,
Nansei-shoto,
Nepal,
Netherlands,
North Caucasus,
North European Russi,
Northern Provinces,
Northwest European R,
Norway,
Pakistan,
Palestine,
Poland,
Portugal,
Primorye,
Qinghai,
Romania,
Sakhalin,
Sardegna,
Sicilia,
Sinai,
South European Russi,
Spain,
Sudan,
Sumatera,
Swaziland,
Sweden,
Switzerland,
Tadzhikistan,
Tasmania,
Tibet,
Transcaucasus,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Tuva,
Ukraine,
Uzbekistan,
Vietnam,
West Himalaya,
West Siberia,
Xinjiang,
Yugoslavia,
Zambia,
Zimbabwe
Introduced into:
Alabama,
Alberta,
Argentina Northeast,
Arizona,
Arkansas,
British Columbia,
California,
Colombia,
Colorado,
Connecticut,
Costa Rica,
Cuba,
Delaware,
District of Columbia,
Fiji,
Florida,
Georgia,
Illinois,
Indiana,
Iowa,
Kansas,
Kentucky,
Louisiana,
Maine,
Maryland,
Massachusetts,
Mexico Central,
Mexico Southwest,
Michigan,
Minnesota,
Missouri,
Nebraska,
Nevada,
New Hampshire,
New Jersey,
New Mexico,
New York,
New Zealand North,
New Zealand South,
North Carolina,
Ohio,
Oklahoma,
Ontario,
Oregon,
Pennsylvania,
Québec,
Rhode I.,
Saskatchewan,
South Dakota,
Tennessee,
Texas,
Utah,
Vermont,
Virginia,
Washington,
West Virginia,
Wisconsin,
Wyoming