Native to:
Alabama,
Argentina Northeast,
Argentina Northwest,
Arizona,
Arkansas,
Bahamas,
Belize,
Bolivia,
Brazil North,
Brazil Northeast,
Brazil South,
Brazil Southeast,
Brazil West-Central,
California,
Chile Central,
Chile North,
Chile South,
Colombia,
Connecticut,
Costa Rica,
Cuba,
Delaware,
District of Columbia,
Dominican Republic,
Ecuador,
El Salvador,
Florida,
French Guiana,
Georgia,
Guatemala,
Guyana,
Haiti,
Honduras,
Illinois,
Indiana,
Iowa,
Kansas,
Kentucky,
Louisiana,
Maryland,
Massachusetts,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Michigan,
Minnesota,
Mississippi,
Missouri,
Nebraska,
New Jersey,
New Mexico,
New South Wales,
New York,
Nicaragua,
North Carolina,
Northern Territory,
Ohio,
Oklahoma,
Ontario,
Panamá,
Paraguay,
Pennsylvania,
Peru,
Puerto Rico,
Queensland,
Rhode I.,
South Australia,
South Carolina,
South Dakota,
Suriname,
Tennessee,
Texas,
Trinidad-Tobago,
Uruguay,
Venezuela,
Vermont,
Victoria,
Virginia,
West Virginia,
Western Australia,
Wisconsin
Introduced into:
Afghanistan,
Albania,
Andaman Is.,
Angola,
Aruba,
Assam,
Bangladesh,
Benin,
Borneo,
Botswana,
Bulgaria,
Burkina,
Burundi,
Cambodia,
Cameroon,
Canary Is.,
Cape Provinces,
Cape Verde,
Caprivi Strip,
Caroline Is.,
Cayman Is.,
Central African Repu,
Chad,
Chagos Archipelago,
China North-Central,
China South-Central,
China Southeast,
Christmas I.,
Comoros,
Congo,
Cook Is.,
Czechoslovakia,
Djibouti,
East Aegean Is.,
East Himalaya,
Egypt,
Eritrea,
Ethiopia,
Fiji,
France,
Free State,
Gabon,
Galápagos,
Greece,
Guinea,
Guinea-Bissau,
Gulf of Guinea Is.,
Gulf States,
Hainan,
Hawaii,
India,
Inner Mongolia,
Iran,
Iraq,
Italy,
Ivory Coast,
Japan,
Jawa,
Korea,
Kuwait,
KwaZulu-Natal,
Laccadive Is.,
Laos,
Lebanon-Syria,
Leeward Is.,
Lesotho,
Madagascar,
Madeira,
Malawi,
Malaya,
Maldives,
Mali,
Manchuria,
Marianas,
Marquesas,
Marshall Is.,
Mauritania,
Mauritius,
Morocco,
Mozambique,
Myanmar,
Namibia,
Nansei-shoto,
Nepal,
Netherlands Antilles,
New Caledonia,
Nicobar Is.,
Nigeria,
Niue,
North Caucasus,
Northern Provinces,
Oman,
Pakistan,
Palestine,
Philippines,
Portugal,
Primorye,
Qinghai,
Rodrigues,
Romania,
Rwanda,
Réunion,
Samoa,
Sardegna,
Saudi Arabia,
Senegal,
Sicilia,
Sinai,
Society Is.,
Socotra,
South China Sea,
Spain,
Sri Lanka,
Sudan,
Sumatera,
Swaziland,
Taiwan,
Tasmania,
Thailand,
Tibet,
Togo,
Transcaucasus,
Tuamotu,
Tubuai Is.,
Turkey,
Tuvalu,
Ukraine,
Uzbekistan,
Vanuatu,
Venezuelan Antilles,
Vietnam,
West Himalaya,
Windward Is.,
Xinjiang,
Yemen,
Zambia,
Zaïre,
Zimbabwe