Native to:
Afghanistan,
Albania,
Algeria,
Altay,
Amur,
Austria,
Azores,
Baleares,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Buryatiya,
Canary Is.,
Central European Rus,
China North-Central,
China South-Central,
China Southeast,
Chita,
Corse,
Cyprus,
Czechoslovakia,
Denmark,
East Aegean Is.,
East European Russia,
East Himalaya,
Egypt,
Eritrea,
Ethiopia,
Finland,
France,
Føroyar,
Germany,
Great Britain,
Greece,
Hainan,
Hungary,
Iceland,
Inner Mongolia,
Iran,
Iraq,
Ireland,
Irkutsk,
Italy,
Japan,
Kamchatka,
Kazakhstan,
Khabarovsk,
Kirgizstan,
Korea,
Krasnoyarsk,
Kriti,
Krym,
Kuril Is.,
Lebanon-Syria,
Libya,
Madeira,
Magadan,
Manchuria,
Morocco,
Myanmar,
Nansei-shoto,
Nepal,
Netherlands,
North Caucasus,
North European Russi,
Northwest European R,
Norway,
Pakistan,
Palestine,
Poland,
Portugal,
Primorye,
Qinghai,
Romania,
Sakhalin,
Sardegna,
Saudi Arabia,
Sicilia,
South European Russi,
Spain,
Sweden,
Switzerland,
Tadzhikistan,
Taiwan,
Tibet,
Transcaucasus,
Tunisia,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Ukraine,
Uzbekistan,
West Himalaya,
West Siberia,
Xinjiang,
Yakutskiya,
Yemen,
Yugoslavia
Introduced into:
Alabama,
Alaska,
Alberta,
Angola,
Argentina Northeast,
Argentina Northwest,
Argentina South,
Arizona,
Arkansas,
Bolivia,
Brazil South,
Brazil Southeast,
British Columbia,
California,
Cape Provinces,
Chad,
Chile Central,
Chile North,
Chile South,
Colombia,
Colorado,
Connecticut,
Delaware,
District of Columbia,
Ecuador,
Falkland Is.,
Florida,
Free State,
Georgia,
Guatemala,
Hawaii,
Idaho,
Illinois,
Indiana,
Iowa,
Juan Fernández Is.,
Kansas,
Kentucky,
Kenya,
KwaZulu-Natal,
Lesotho,
Louisiana,
Maine,
Manitoba,
Maryland,
Massachusetts,
Mexico Central,
Mexico Northeast,
Mexico Northwest,
Michigan,
Minnesota,
Mississippi,
Missouri,
Montana,
Namibia,
Nebraska,
Nevada,
New Brunswick,
New Hampshire,
New Jersey,
New Mexico,
New York,
New Zealand North,
Newfoundland,
North Carolina,
North Dakota,
Northern Provinces,
Northwest Territorie,
Nova Scotia,
Oklahoma,
Ontario,
Oregon,
Paraguay,
Pennsylvania,
Prince Edward I.,
Québec,
Rhode I.,
Saskatchewan,
South Carolina,
South Dakota,
Svalbard,
Tasmania,
Tennessee,
Texas,
Tristan da Cunha,
Uruguay,
Utah,
Vermont,
Virginia,
Washington,
West Virginia,
Wyoming,
Yukon,
Zimbabwe