Native to:
Afghanistan,
Albania,
Algeria,
Altay,
Angola,
Assam,
Austria,
Baleares,
Bangladesh,
Benin,
Botswana,
Bulgaria,
Burkina,
Burundi,
Buryatiya,
Cambodia,
Cameroon,
Canary Is.,
Cape Provinces,
Cape Verde,
Caprivi Strip,
Central African Repu,
Central European Rus,
Chad,
China North-Central,
China South-Central,
China Southeast,
Comoros,
Corse,
Cyprus,
Czechoslovakia,
Djibouti,
East Aegean Is.,
East European Russia,
East Himalaya,
Egypt,
Eritrea,
Ethiopia,
France,
Free State,
Gambia,
Ghana,
Gilbert Is.,
Greece,
Guinea,
Gulf States,
Hainan,
Hawaii,
Howland-Baker Is.,
Hungary,
India,
Inner Mongolia,
Iran,
Iraq,
Italy,
Ivory Coast,
Japan,
Jawa,
Kazakhstan,
Kenya,
Kirgizstan,
Korea,
Kriti,
Krym,
Kuwait,
KwaZulu-Natal,
Lebanon-Syria,
Lesser Sunda Is.,
Libya,
Line Is.,
Madagascar,
Malawi,
Maldives,
Mali,
Maluku,
Manchuria,
Marianas,
Marquesas,
Marshall Is.,
Mauritania,
Mongolia,
Morocco,
Mozambique,
Mozambique Channel I,
Myanmar,
Namibia,
Nepal,
New Caledonia,
New Guinea,
New South Wales,
Niger,
Nigeria,
North Caucasus,
Northern Provinces,
Northern Territory,
Oman,
Pakistan,
Palestine,
Phoenix Is.,
Portugal,
Qinghai,
Queensland,
Romania,
Rwanda,
Sardegna,
Saudi Arabia,
Senegal,
Sicilia,
Sinai,
Socotra,
Somalia,
South Australia,
South China Sea,
South European Russi,
Spain,
Sri Lanka,
Sudan,
Sulawesi,
Swaziland,
Tadzhikistan,
Taiwan,
Tanzania,
Thailand,
Tibet,
Togo,
Tokelau-Manihiki,
Transcaucasus,
Tunisia,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Tuva,
Uganda,
Ukraine,
Uzbekistan,
Vietnam,
Wake I.,
West Himalaya,
West Siberia,
Western Australia,
Western Sahara,
Xinjiang,
Yemen,
Yugoslavia,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Alabama,
Aldabra,
Argentina Northeast,
Argentina Northwest,
Argentina South,
Arizona,
Arkansas,
Aruba,
Bahamas,
Bolivia,
British Columbia,
California,
Cayman Is.,
Chile North,
Colombia,
Colorado,
Cuba,
Delaware,
Dominican Republic,
Ecuador,
El Salvador,
Florida,
Galápagos,
Georgia,
Guatemala,
Guyana,
Haiti,
Honduras,
Idaho,
Illinois,
Indiana,
Iowa,
Jamaica,
Kansas,
Kentucky,
Leeward Is.,
Louisiana,
Maryland,
Massachusetts,
Mauritius,
Mexican Pacific Is.,
Mexico Northwest,
Mexico Southwest,
Michigan,
Minnesota,
Mississippi,
Missouri,
Montana,
Nebraska,
Netherlands Antilles,
Nevada,
New Jersey,
New Mexico,
New York,
North Carolina,
North Dakota,
Ohio,
Oklahoma,
Ontario,
Oregon,
Panamá,
Pennsylvania,
Peru,
Philippines,
Primorye,
Puerto Rico,
Réunion,
South Carolina,
South Dakota,
St.Helena,
Suriname,
Tennessee,
Texas,
Trinidad-Tobago,
Turks-Caicos Is.,
Uruguay,
Utah,
Venezuela,
Venezuelan Antilles,
Washington,
Windward Is.,
Wisconsin,
Wyoming