Doubtfully present in:
Galápagos
Native to:
Afghanistan,
Alabama,
Alberta,
Aldabra,
Andaman Is.,
Angola,
Argentina Northeast,
Argentina Northwest,
Argentina South,
Arizona,
Arkansas,
Assam,
Bahamas,
Bangladesh,
Belize,
Benin,
Bermuda,
Bolivia,
Botswana,
Brazil North,
Brazil Northeast,
Brazil South,
Brazil Southeast,
Brazil West-Central,
Burkina,
Burundi,
California,
Cambodia,
Cameroon,
Cayman Is.,
Central African Repu,
Chad,
Chagos Archipelago,
Chile Central,
Chile North,
China South-Central,
China Southeast,
Colombia,
Colorado,
Congo,
Costa Rica,
Cuba,
Dominican Republic,
East Himalaya,
Ecuador,
Egypt,
El Salvador,
Equatorial Guinea,
Florida,
French Guiana,
Gabon,
Gambia,
Georgia,
Ghana,
Gilbert Is.,
Guatemala,
Guinea,
Guinea-Bissau,
Gulf States,
Guyana,
Hainan,
Haiti,
Hawaii,
Honduras,
Idaho,
Illinois,
India,
Indiana,
Iowa,
Iran,
Ivory Coast,
Jamaica,
Kansas,
Kentucky,
Kenya,
KwaZulu-Natal,
Laccadive Is.,
Laos,
Leeward Is.,
Liberia,
Louisiana,
Madagascar,
Malawi,
Malaya,
Maldives,
Mali,
Marianas,
Maryland,
Mauritania,
Mauritius,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Minnesota,
Mississippi,
Missouri,
Montana,
Mozambique,
Myanmar,
Nebraska,
Nepal,
Nevada,
New Mexico,
Nicaragua,
Niger,
Nigeria,
North Carolina,
North Dakota,
Northern Provinces,
Oklahoma,
Oman,
Pakistan,
Palestine,
Panamá,
Paraguay,
Peru,
Puerto Rico,
Queensland,
Rodrigues,
Réunion,
Saskatchewan,
Saudi Arabia,
Senegal,
Sierra Leone,
Sinai,
Socotra,
Somalia,
South Carolina,
South China Sea,
South Dakota,
Sri Lanka,
Sudan,
Suriname,
Taiwan,
Tanzania,
Tennessee,
Texas,
Thailand,
Togo,
Trinidad-Tobago,
Uganda,
Uruguay,
Utah,
Venezuela,
Vietnam,
Virginia,
West Himalaya,
Windward Is.,
Wisconsin,
Wyoming,
Yemen,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Greece,
Lesser Sunda Is.,
Marquesas,
Portugal,
Spain