Native to:
Alabama,
Argentina Northwest,
Arizona,
Arkansas,
Belize,
Bermuda,
Bolivia,
California,
Colombia,
Connecticut,
Costa Rica,
Delaware,
District of Columbia,
Ecuador,
El Salvador,
Florida,
Galápagos,
Georgia,
Guatemala,
Honduras,
Illinois,
Indiana,
Iowa,
Kentucky,
Louisiana,
Maine,
Maryland,
Mexican Pacific Is.,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Michigan,
Mississippi,
Missouri,
New Jersey,
New Mexico,
New York,
Nicaragua,
North Carolina,
Ohio,
Oklahoma,
Panamá,
Pennsylvania,
Peru,
South Carolina,
Tanzania,
Tennessee,
Texas,
Venezuela,
Virginia,
West Virginia
Introduced into:
Altay,
Amur,
Andaman Is.,
Angola,
Argentina Northeast,
Assam,
Bahamas,
Baltic States,
Bangladesh,
Belarus,
Benin,
Bismarck Archipelago,
Brazil Northeast,
Brazil South,
Brazil Southeast,
Brazil West-Central,
Bulgaria,
Buryatiya,
Cameroon,
Canary Is.,
Cape Verde,
Caroline Is.,
Cayman Is.,
Central African Repu,
Central European Rus,
Chad,
China North-Central,
China South-Central,
China Southeast,
Chita,
Christmas I.,
Comoros,
Cuba,
Czechoslovakia,
Dominican Republic,
East European Russia,
East Himalaya,
Equatorial Guinea,
Ethiopia,
Fiji,
French Guiana,
Gabon,
Ghana,
Guinea,
Guinea-Bissau,
Gulf of Guinea Is.,
Guyana,
Hainan,
Haiti,
India,
Inner Mongolia,
Iraq,
Irkutsk,
Ivory Coast,
Jamaica,
Jawa,
Kazakhstan,
Kazan-retto,
Kenya,
Kermadec Is.,
Khabarovsk,
Kirgizstan,
Korea,
Krasnoyarsk,
Krym,
Kuril Is.,
Leeward Is.,
Liberia,
Madagascar,
Malawi,
Malaya,
Maldives,
Mali,
Manchuria,
Marianas,
Marshall Is.,
Mauritius,
Mongolia,
Myanmar,
Nepal,
New Caledonia,
New Guinea,
New Zealand North,
New Zealand South,
Nicobar Is.,
Niger,
Nigeria,
North Caucasus,
North European Russi,
Northwest European R,
Ogasawara-shoto,
Pakistan,
Philippines,
Primorye,
Puerto Rico,
Queensland,
Rodrigues,
Rwanda,
Réunion,
Sakhalin,
Senegal,
Sierra Leone,
South European Russi,
Southwest Caribbean,
Sri Lanka,
Sudan,
Suriname,
Tadzhikistan,
Thailand,
Togo,
Transcaucasus,
Trinidad-Tobago,
Turkmenistan,
Tuva,
Uganda,
Ukraine,
Uzbekistan,
Vanuatu,
Venezuelan Antilles,
Vietnam,
Wake I.,
West Himalaya,
West Siberia,
Windward Is.,
Yakutskiya,
Zambia,
Zaïre,
Zimbabwe