Native to:
Afghanistan,
Albania,
Algeria,
Austria,
Azores,
Baleares,
Belgium,
Bulgaria,
Canary Is.,
Cape Verde,
Central European Russia,
Chad,
Corse,
Cyprus,
Czechoslovakia,
East Aegean Is.,
Egypt,
Ethiopia,
France,
Germany,
Great Britain,
Greece,
Hungary,
Iran,
Iraq,
Ireland,
Italy,
Kazakhstan,
Kirgizstan,
Kriti,
Krym,
Libya,
Madeira,
Morocco,
Netherlands,
North Caucasus,
Pakistan,
Palestine,
Poland,
Portugal,
Romania,
Sardegna,
Saudi Arabia,
Sicilia,
Sinai,
Spain,
Sudan,
Sweden,
Switzerland,
Transcaucasus,
Tunisia,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Ukraine,
Uzbekistan,
West Himalaya,
Yugoslavia
Introduced into:
Alabama,
Alaska,
Alberta,
Angola,
Argentina Northeast,
Argentina Northwest,
Argentina South,
Arizona,
Arkansas,
Assam,
Baltic States,
Bangladesh,
Bolivia,
Borneo,
Brazil South,
British Columbia,
California,
Cameroon,
Cape Provinces,
Chile Central,
Chile North,
Chile South,
China North-Central,
China South-Central,
China Southeast,
Colombia,
Colorado,
Comoros,
Connecticut,
Cook Is.,
Costa Rica,
Cuba,
Delaware,
District of Columbia,
Dominican Republic,
East Himalaya,
Ecuador,
El Salvador,
Fiji,
Florida,
Free State,
French Guiana,
Galápagos,
Georgia,
Guatemala,
Gulf of Guinea Is.,
Haiti,
Honduras,
Idaho,
Illinois,
India,
Indiana,
Iowa,
Jamaica,
Japan,
Jawa,
Juan Fernández Is.,
Kansas,
Kentucky,
Kenya,
Korea,
KwaZulu-Natal,
Leeward Is.,
Lesotho,
Lesser Sunda Is.,
Maine,
Mali,
Manchuria,
Manitoba,
Marianas,
Maryland,
Massachusetts,
Mauritania,
Mauritius,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Michigan,
Minnesota,
Mississippi,
Missouri,
Montana,
Mozambique,
Nansei-shoto,
Nebraska,
Nepal,
Nevada,
New Brunswick,
New Caledonia,
New Guinea,
New Hampshire,
New Jersey,
New Mexico,
New York,
New Zealand North,
Newfoundland,
Nicaragua,
Niger,
Norfolk Is.,
North Carolina,
North Dakota,
Northern Provinces,
Northern Territory,
Nova Scotia,
Ohio,
Oklahoma,
Ontario,
Oregon,
Paraguay,
Pennsylvania,
Peru,
Philippines,
Prince Edward I.,
Puerto Rico,
Queensland,
Québec,
Rhode I.,
Rodrigues,
Rwanda,
Réunion,
Society Is.,
Solomon Is.,
South Australia,
South Carolina,
South Dakota,
Sri Lanka,
St.Helena,
Taiwan,
Tanzania,
Tasmania,
Tennessee,
Texas,
Tibet,
Trinidad-Tobago,
Tristan da Cunha,
Tubuai Is.,
Uruguay,
Utah,
Vanuatu,
Venezuela,
Vermont,
Victoria,
Vietnam,
Virginia,
Washington,
West Virginia,
Western Australia,
Windward Is.,
Wisconsin,
Wyoming,
Xinjiang,
Zaïre,
Zimbabwe