Native to:
Afghanistan,
Albania,
Algeria,
Altay,
Argentina Northeast,
Argentina Northwest,
Argentina South,
Austria,
Azores,
Baleares,
Baltic States,
Belarus,
Belgium,
Bolivia,
Brazil South,
British Columbia,
Bulgaria,
Burundi,
Buryatiya,
California,
Cameroon,
Canary Is.,
Cape Provinces,
Central African Republic,
Central European Russia,
Chile Central,
Chile North,
Chile South,
China North-Central,
China South-Central,
Colombia,
Corse,
Costa Rica,
Cyprus,
Czechoslovakia,
Denmark,
Dominican Republic,
East Aegean Is.,
East European Russia,
Ecuador,
El Salvador,
Eritrea,
Ethiopia,
Finland,
France,
Free State,
Føroyar,
Germany,
Great Britain,
Greece,
Greenland,
Guatemala,
Gulf of Guinea Is.,
Hungary,
Iceland,
India,
Inner Mongolia,
Iran,
Iraq,
Ireland,
Irkutsk,
Italy,
Japan,
Jawa,
Kamchatka,
Kazakhstan,
Kenya,
Kirgizstan,
Krasnoyarsk,
Kriti,
Krym,
Kuril Is.,
KwaZulu-Natal,
Labrador,
Lebanon-Syria,
Lesotho,
Madagascar,
Madeira,
Malawi,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Mongolia,
Morocco,
Mozambique,
Nepal,
Netherlands,
New Brunswick,
New South Wales,
Newfoundland,
North Caucasus,
North European Russia,
Northern Provinces,
Northwest European Russia,
Norway,
Nova Scotia,
Ontario,
Oregon,
Pakistan,
Palestine,
Panamá,
Peru,
Poland,
Portugal,
Qinghai,
Québec,
Romania,
Rwanda,
Sakhalin,
Sardegna,
Saudi Arabia,
Sicilia,
South Australia,
South European Russia,
Spain,
Sri Lanka,
Sudan,
Svalbard,
Swaziland,
Sweden,
Switzerland,
Tadzhikistan,
Tanzania,
Tasmania,
Transcaucasus,
Tunisia,
Turkey,
Turkey-in-Europe,
Tuva,
Uganda,
Ukraine,
Uruguay,
Uzbekistan,
Venezuela,
Victoria,
Washington,
West Himalaya,
West Siberia,
Wyoming,
Xinjiang,
Yakutskiya,
Yemen,
Yugoslavia,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Alabama,
Alaska,
Arkansas,
Connecticut,
Delaware,
District of Columbia,
Falkland Is.,
Florida,
Georgia,
Idaho,
Kentucky,
Louisiana,
Maine,
Maryland,
Massachusetts,
Mississippi,
Missouri,
Montana,
New Hampshire,
New Jersey,
New Mexico,
New York,
New Zealand North,
New Zealand South,
North Carolina,
Oklahoma,
Primorye,
South Carolina,
Tennessee,
Texas,
Vermont,
Virginia,
Western Australia,
Wisconsin