Native to:
Afghanistan,
Alabama,
Argentina Northeast,
Argentina Northwest,
Aruba,
Bahamas,
Bangladesh,
Benin,
Bolivia,
Botswana,
Brazil North,
British Columbia,
Burkina,
California,
Cayman Is.,
Central African Repu,
Chad,
China North-Central,
China South-Central,
China Southeast,
Colombia,
Colorado,
Congo,
Costa Rica,
Cuba,
East Himalaya,
Ecuador,
Ethiopia,
Florida,
Gabon,
Galápagos,
Georgia,
Ghana,
Guinea,
Hainan,
India,
Iowa,
Iran,
Jamaica,
Japan,
Jawa,
Kansas,
Kazakhstan,
Kenya,
KwaZulu-Natal,
Louisiana,
Madagascar,
Malawi,
Mali,
Mauritania,
Mauritius,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Michigan,
Missouri,
Montana,
Namibia,
Nebraska,
Nepal,
Netherlands Antilles,
Nevada,
New Guinea,
New Mexico,
Nicaragua,
Niger,
Nigeria,
North Carolina,
Northern Provinces,
Northern Territory,
Oklahoma,
Pakistan,
Peru,
Philippines,
Queensland,
Rwanda,
Senegal,
Somalia,
South Carolina,
Sudan,
Sumatera,
Swaziland,
Tadzhikistan,
Taiwan,
Tanzania,
Texas,
Togo,
Turkey,
Uganda,
Uzbekistan,
Venezuela,
Vietnam,
Virginia,
Washington,
West Himalaya,
Western Australia,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Italy,
Switzerland