Native to:
Alabama,
Argentina Northeast,
Argentina Northwest,
Argentina South,
Arizona,
Belize,
Bolivia,
California,
Chile Central,
Chile North,
Colorado,
Ecuador,
El Salvador,
Florida,
Georgia,
Guatemala,
Haiti,
Hawaii,
Honduras,
Idaho,
Kansas,
Louisiana,
Mexican Pacific Is.,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Mississippi,
Montana,
Nebraska,
Nevada,
New Mexico,
Nicaragua,
North Carolina,
North Dakota,
Oklahoma,
Oregon,
Paraguay,
Peru,
South Carolina,
South Dakota,
Texas,
Uruguay,
Utah,
Wyoming
Introduced into:
Angola,
Arkansas,
Aruba,
Ascension,
Assam,
Bahamas,
Bangladesh,
Benin,
Bermuda,
Botswana,
Brazil Northeast,
Brazil South,
Brazil Southeast,
Brazil West-Central,
Burkina,
Burundi,
Cameroon,
Canary Is.,
Cape Provinces,
Cape Verde,
Cayman Is.,
China Southeast,
Colombia,
Comoros,
Connecticut,
Costa Rica,
Cuba,
Czechoslovakia,
Djibouti,
Dominican Republic,
East Himalaya,
Egypt,
Eritrea,
Ethiopia,
Fiji,
France,
Free State,
French Guiana,
Galápagos,
Gambia,
Ghana,
Great Britain,
Guinea,
Guinea-Bissau,
Gulf of Guinea Is.,
Gulf States,
Guyana,
Illinois,
India,
Indiana,
Iran,
Ivory Coast,
Jamaica,
Jawa,
Kentucky,
Kenya,
KwaZulu-Natal,
Laccadive Is.,
Lebanon-Syria,
Leeward Is.,
Lesotho,
Lesser Sunda Is.,
Liberia,
Madeira,
Malawi,
Malaya,
Maldives,
Mali,
Maluku,
Marianas,
Maryland,
Massachusetts,
Mauritania,
Mauritius,
Michigan,
Missouri,
Morocco,
Mozambique,
Myanmar,
Namibia,
Nepal,
Netherlands Antilles,
New Caledonia,
New Guinea,
New Jersey,
New South Wales,
New York,
New Zealand North,
New Zealand South,
Nicobar Is.,
Niger,
Nigeria,
Niue,
Norfolk Is.,
Northern Provinces,
Northern Territory,
Oman,
Ontario,
Pakistan,
Palestine,
Pennsylvania,
Philippines,
Puerto Rico,
Queensland,
Rodrigues,
Rwanda,
Réunion,
Saudi Arabia,
Senegal,
Sierra Leone,
Socotra,
Somalia,
South Australia,
Southwest Caribbean,
Sri Lanka,
St.Helena,
Sudan,
Sulawesi,
Suriname,
Swaziland,
Taiwan,
Tanzania,
Tasmania,
Tennessee,
Togo,
Transcaucasus,
Trinidad-Tobago,
Turks-Caicos Is.,
Uganda,
Uzbekistan,
Venezuela,
Venezuelan Antilles,
Vermont,
Victoria,
Vietnam,
Virginia,
West Himalaya,
Western Australia,
Windward Is.,
Wisconsin,
Yemen,
Zaïre,
Zimbabwe