Native to:
Afghanistan,
Alabama,
Albania,
Aldabra,
Algeria,
Altay,
Amur,
Andaman Is.,
Angola,
Argentina Northeast,
Argentina Northwest,
Argentina South,
Arizona,
Arkansas,
Aruba,
Ascension,
Assam,
Azores,
Bahamas,
Baleares,
Bangladesh,
Belarus,
Belize,
Benin,
Bermuda,
Bismarck Archipelago,
Bolivia,
Borneo,
Botswana,
Brazil North,
Brazil Northeast,
Brazil South,
Brazil Southeast,
Brazil West-Central,
Bulgaria,
Burkina,
Burundi,
Buryatiya,
Cambodia,
Cameroon,
Canary Is.,
Cape Provinces,
Cape Verde,
Caprivi Strip,
Caroline Is.,
Cayman Is.,
Central African Repu,
Central European Rus,
Chad,
Chile Central,
China North-Central,
China South-Central,
China Southeast,
Chita,
Christmas I.,
Cocos (Keeling) Is.,
Colombia,
Colorado,
Comoros,
Congo,
Connecticut,
Cook Is.,
Corse,
Costa Rica,
Cuba,
Cyprus,
Delaware,
District of Columbia,
Djibouti,
Dominican Republic,
East Aegean Is.,
East European Russia,
East Himalaya,
Easter Is.,
Ecuador,
Egypt,
El Salvador,
Equatorial Guinea,
Eritrea,
Ethiopia,
Fiji,
Florida,
France,
Free State,
French Guiana,
Gabon,
Galápagos,
Gambia,
Georgia,
Ghana,
Gilbert Is.,
Greece,
Guatemala,
Guinea,
Guinea-Bissau,
Gulf of Guinea Is.,
Gulf States,
Guyana,
Hainan,
Haiti,
Honduras,
Howland-Baker Is.,
Hungary,
Illinois,
India,
Indiana,
Inner Mongolia,
Iowa,
Iran,
Iraq,
Irkutsk,
Italy,
Ivory Coast,
Jamaica,
Japan,
Jawa,
Kamchatka,
Kansas,
Kazakhstan,
Kazan-retto,
Kentucky,
Kenya,
Khabarovsk,
Kirgizstan,
Korea,
Krasnoyarsk,
Kriti,
Krym,
Kuril Is.,
Kuwait,
KwaZulu-Natal,
Laccadive Is.,
Laos,
Lebanon-Syria,
Leeward Is.,
Lesotho,
Lesser Sunda Is.,
Liberia,
Libya,
Line Is.,
Louisiana,
Madagascar,
Madeira,
Malawi,
Malaya,
Maldives,
Mali,
Maluku,
Manchuria,
Marcus I.,
Marianas,
Marquesas,
Marshall Is.,
Maryland,
Massachusetts,
Mauritania,
Mauritius,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Michigan,
Minnesota,
Mississippi,
Missouri,
Morocco,
Mozambique,
Myanmar,
Namibia,
Nansei-shoto,
Nauru,
Nebraska,
Nepal,
Netherlands Antilles,
New Caledonia,
New Guinea,
New Hampshire,
New Jersey,
New Mexico,
New South Wales,
New York,
Nicaragua,
Nicobar Is.,
Niger,
Nigeria,
Niue,
Norfolk Is.,
North Carolina,
North Caucasus,
North European Russi,
Northern Provinces,
Northern Territory,
Northwest European R,
Ogasawara-shoto,
Ohio,
Oklahoma,
Oman,
Ontario,
Pakistan,
Palestine,
Panamá,
Paraguay,
Pennsylvania,
Peru,
Philippines,
Phoenix Is.,
Pitcairn Is.,
Portugal,
Primorye,
Puerto Rico,
Qinghai,
Queensland,
Rhode I.,
Rodrigues,
Romania,
Rwanda,
Réunion,
Samoa,
Sardegna,
Saudi Arabia,
Senegal,
Seychelles,
Sicilia,
Sierra Leone,
Sinai,
Society Is.,
Socotra,
Solomon Is.,
Somalia,
South Australia,
South Carolina,
South China Sea,
South European Russi,
Southwest Caribbean,
Spain,
Sri Lanka,
Sudan,
Sulawesi,
Sumatera,
Suriname,
Swaziland,
Tadzhikistan,
Taiwan,
Tanzania,
Tennessee,
Texas,
Thailand,
Tibet,
Togo,
Tokelau-Manihiki,
Tonga,
Transcaucasus,
Trinidad-Tobago,
Tuamotu,
Tubuai Is.,
Tunisia,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Turks-Caicos Is.,
Tuva,
Tuvalu,
Uganda,
Ukraine,
Uruguay,
Uzbekistan,
Vanuatu,
Venezuela,
Venezuelan Antilles,
Vermont,
Victoria,
Vietnam,
Virginia,
Wake I.,
Wallis-Futuna Is.,
West Himalaya,
West Virginia,
Western Australia,
Windward Is.,
Wisconsin,
Xinjiang,
Yemen,
Yugoslavia,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Alberta,
Austria,
Baltic States,
Belgium,
British Columbia,
California,
Central American Pac,
Chagos Archipelago,
Chatham Is.,
Chile North,
Chile South,
Czechoslovakia,
Denmark,
Germany,
Great Britain,
Hawaii,
Idaho,
Juan Fernández Is.,
Kermadec Is.,
Maine,
Manitoba,
Mexican Pacific Is.,
Montana,
Netherlands,
Nevada,
New Brunswick,
New Zealand North,
New Zealand South,
North Dakota,
Nova Scotia,
Oregon,
Poland,
Prince Edward I.,
Québec,
Saskatchewan,
South Dakota,
St.Helena,
Sweden,
Switzerland,
Tasmania,
Utah,
Washington,
Wyoming