Native to:
Afghanistan,
Alabama,
Algeria,
Angola,
Argentina Northeast,
Argentina Northwest,
Argentina South,
Arizona,
Arkansas,
Bahamas,
Bangladesh,
Belize,
Bolivia,
Borneo,
Botswana,
Brazil North,
Brazil Northeast,
Brazil South,
Brazil Southeast,
Brazil West-Central,
Burundi,
California,
Cambodia,
Canary Is.,
Cape Provinces,
Caprivi Strip,
Cayman Is.,
Chad,
Chile North,
China North-Central,
China South-Central,
China Southeast,
Colombia,
Colorado,
Connecticut,
Costa Rica,
Cuba,
Delaware,
District of Columbia,
Djibouti,
Dominican Republic,
Ecuador,
Egypt,
Ethiopia,
Florida,
Free State,
Gambia,
Gulf States,
Hainan,
Haiti,
Honduras,
Idaho,
Illinois,
India,
Indiana,
Iowa,
Iran,
Iraq,
Jamaica,
Japan,
Jawa,
Kansas,
Kentucky,
Kenya,
Kuwait,
KwaZulu-Natal,
Laos,
Lebanon-Syria,
Leeward Is.,
Louisiana,
Madagascar,
Maine,
Malawi,
Malaya,
Mali,
Manchuria,
Maryland,
Massachusetts,
Mauritania,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Michigan,
Minnesota,
Mississippi,
Missouri,
Montana,
Morocco,
Mozambique,
Myanmar,
Namibia,
Nebraska,
Netherlands Antilles,
Nevada,
New Guinea,
New Hampshire,
New Jersey,
New Mexico,
New South Wales,
New York,
Nicaragua,
Niger,
Nigeria,
North Carolina,
North Dakota,
Northern Provinces,
Northern Territory,
Ohio,
Oklahoma,
Oman,
Ontario,
Oregon,
Pakistan,
Palestine,
Paraguay,
Pennsylvania,
Peru,
Philippines,
Puerto Rico,
Queensland,
Québec,
Rhode I.,
Saudi Arabia,
Senegal,
Somalia,
South Australia,
South Carolina,
South Dakota,
Sri Lanka,
Sudan,
Sumatera,
Swaziland,
Taiwan,
Tanzania,
Tennessee,
Texas,
Thailand,
Turks-Caicos Is.,
Uganda,
Utah,
Venezuela,
Vermont,
Victoria,
Vietnam,
Virginia,
Washington,
West Virginia,
Western Australia,
Western Sahara,
Windward Is.,
Wyoming,
Yemen,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Belgium,
British Columbia,
Chagos Archipelago,
Czechoslovakia,
Georgia,
Germany,
Great Britain,
Greece,
Hawaii,
Hungary,
Italy,
Korea,
Libya,
New Zealand North,
Samoa,
Spain,
Sweden,
Tasmania,
Uruguay,
Wisconsin