Native to:
Alabama,
Aldabra,
Algeria,
Andaman Is.,
Angola,
Argentina Northeast,
Argentina Northwest,
Arizona,
Arkansas,
Aruba,
Assam,
Bahamas,
Bangladesh,
Belize,
Benin,
Bermuda,
Bolivia,
Botswana,
Brazil North,
Brazil Northeast,
Brazil South,
Brazil Southeast,
Brazil West-Central,
Burkina,
Burundi,
Cambodia,
Cameroon,
Cape Provinces,
Cape Verde,
Caprivi Strip,
Caroline Is.,
Cayman Is.,
Central African Republic,
Chad,
Chagos Archipelago,
Chile North,
China South-Central,
China Southeast,
Christmas I.,
Cocos (Keeling) Is.,
Colombia,
Comoros,
Congo,
Costa Rica,
Cuba,
Djibouti,
Dominican Republic,
East Himalaya,
Ecuador,
Egypt,
El Salvador,
Eritrea,
Ethiopia,
Fiji,
Florida,
Free State,
French Guiana,
Gabon,
Galápagos,
Gambia,
Georgia,
Ghana,
Gilbert Is.,
Guatemala,
Guinea,
Guinea-Bissau,
Gulf of Guinea Is.,
Gulf States,
Guyana,
Hainan,
Haiti,
Hawaii,
Honduras,
Howland-Baker Is.,
Illinois,
India,
Iran,
Ivory Coast,
Jamaica,
Japan,
Jawa,
Kazan-retto,
Kenya,
KwaZulu-Natal,
Laccadive Is.,
Laos,
Leeward Is.,
Lesotho,
Lesser Sunda Is.,
Liberia,
Line Is.,
Louisiana,
Madagascar,
Malawi,
Malaya,
Maldives,
Mali,
Marianas,
Marquesas,
Marshall Is.,
Mauritania,
Mauritius,
Mexican Pacific Is.,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Mississippi,
Missouri,
Mozambique,
Mozambique Channel Is.,
Myanmar,
Namibia,
Nansei-shoto,
Nauru,
Nepal,
Netherlands Antilles,
New Caledonia,
New Guinea,
New Mexico,
New South Wales,
Nicaragua,
Nicobar Is.,
Niger,
Nigeria,
Niue,
North Carolina,
Northern Provinces,
Northern Territory,
Ogasawara-shoto,
Oman,
Pakistan,
Palestine,
Panamá,
Paraguay,
Peru,
Philippines,
Phoenix Is.,
Puerto Rico,
Queensland,
Rodrigues,
Rwanda,
Réunion,
Samoa,
Saudi Arabia,
Senegal,
Seychelles,
Sierra Leone,
Society Is.,
Socotra,
Somalia,
South Australia,
South Carolina,
South China Sea,
Southwest Caribbean,
Sri Lanka,
Sudan,
Sumatera,
Suriname,
Swaziland,
Taiwan,
Tanzania,
Tennessee,
Texas,
Thailand,
Togo,
Tonga,
Transcaucasus,
Trinidad-Tobago,
Tuamotu,
Tubuai Is.,
Turks-Caicos Is.,
Tuvalu,
Uganda,
Uruguay,
Vanuatu,
Venezuela,
Venezuelan Antilles,
Victoria,
Vietnam,
Virginia,
Wake I.,
Wallis-Futuna Is.,
West Himalaya,
Western Australia,
Windward Is.,
Yemen,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Ascension,
Azores,
Belgium,
Canary Is.,
Central American Pacific Is.,
Chile Central,
Cook Is.,
Czechoslovakia,
District of Columbia,
Easter Is.,
Indiana,
Iowa,
Kansas,
Kentucky,
Korea,
Madeira,
Maryland,
Massachusetts,
Michigan,
Nebraska,
New Jersey,
New York,
Norfolk Is.,
Ohio,
Oklahoma,
Ontario,
Pennsylvania,
Pitcairn Is.,
Portugal,
Primorye,
Sicilia,
Sinai,
Solomon Is.,
St.Helena,
Tokelau-Manihiki,
West Virginia