Native to:
Alabama,
Alberta,
Argentina Northeast,
Argentina Northwest,
Argentina South,
Arizona,
Arkansas,
Aruba,
Bolivia,
Brazil Northeast,
Brazil South,
Brazil Southeast,
Brazil West-Central,
British Columbia,
California,
Colombia,
Colorado,
Connecticut,
Costa Rica,
Cuba,
Delaware,
District of Columbia,
Dominican Republic,
Ecuador,
El Salvador,
Florida,
Galápagos,
Georgia,
Guatemala,
Haiti,
Honduras,
Idaho,
Illinois,
Indiana,
Iowa,
Jamaica,
Kansas,
Kentucky,
Leeward Is.,
Louisiana,
Manitoba,
Maryland,
Massachusetts,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Michigan,
Minnesota,
Mississippi,
Missouri,
Montana,
Nebraska,
Netherlands Antilles,
Nevada,
New Hampshire,
New Jersey,
New Mexico,
New York,
Nicaragua,
North Carolina,
North Dakota,
Ohio,
Oklahoma,
Ontario,
Oregon,
Panamá,
Paraguay,
Pennsylvania,
Peru,
Puerto Rico,
Saskatchewan,
South Carolina,
South Dakota,
Tennessee,
Texas,
Trinidad-Tobago,
Uruguay,
Utah,
Venezuela,
Venezuelan Antilles,
Virginia,
Washington,
West Virginia,
Windward Is.,
Wisconsin,
Wyoming
Introduced into:
Albania,
Algeria,
Andaman Is.,
Angola,
Ascension,
Assam,
Austria,
Azores,
Bahamas,
Baleares,
Bangladesh,
Benin,
Bermuda,
Bulgaria,
Canary Is.,
Cape Provinces,
Cape Verde,
Caroline Is.,
Cayman Is.,
Central European Russia,
China North-Central,
China South-Central,
China Southeast,
Corse,
Cyprus,
Czechoslovakia,
East Aegean Is.,
East Himalaya,
Eritrea,
Ethiopia,
Fiji,
France,
Free State,
Gambia,
Great Britain,
Greece,
Guinea,
Gulf of Guinea Is.,
Hainan,
Hawaii,
India,
Iraq,
Italy,
Kenya,
Korea,
Kriti,
KwaZulu-Natal,
Lebanon-Syria,
Lesotho,
Libya,
Madagascar,
Madeira,
Malaya,
Marianas,
Marquesas,
Mauritius,
Morocco,
Myanmar,
Namibia,
Nansei-shoto,
Nepal,
Netherlands,
New Caledonia,
New South Wales,
Nicobar Is.,
North Caucasus,
Northern Provinces,
Northern Territory,
Pakistan,
Palestine,
Portugal,
Queensland,
Rodrigues,
Rwanda,
Réunion,
Sardegna,
Saudi Arabia,
Senegal,
Sicilia,
Society Is.,
Somalia,
South Australia,
South China Sea,
Spain,
Sri Lanka,
St.Helena,
Sudan,
Swaziland,
Switzerland,
Taiwan,
Tanzania,
Tibet,
Transcaucasus,
Tuamotu,
Tubuai Is.,
Tunisia,
Turkey,
Turks-Caicos Is.,
Victoria,
Vietnam,
West Himalaya,
Western Australia,
Western Sahara,
Yemen,
Yugoslavia,
Zaïre