Native to:
Alabama,
Alaska,
Angola,
Argentina Northeast,
Argentina Northwest,
Argentina South,
Arizona,
Arkansas,
Assam,
Bangladesh,
Benin,
Bismarck Archipelago,
Bolivia,
Borneo,
Botswana,
Brazil North,
Brazil Northeast,
Brazil South,
Brazil Southeast,
Brazil West-Central,
British Columbia,
Burundi,
California,
Cameroon,
Chad,
Chatham Is.,
Chile Central,
Chile North,
Chile South,
China North-Central,
China South-Central,
China Southeast,
Colombia,
Colorado,
Connecticut,
Costa Rica,
Cuba,
Delaware,
District of Columbia,
Dominican Republic,
East Himalaya,
Ecuador,
El Salvador,
Ethiopia,
Florida,
French Guiana,
Gabon,
Galápagos,
Gambia,
Georgia,
Ghana,
Guatemala,
Guyana,
Haiti,
Honduras,
Illinois,
India,
Indiana,
Iowa,
Ivory Coast,
Jamaica,
Japan,
Jawa,
Kansas,
Kentucky,
Kenya,
Korea,
KwaZulu-Natal,
Lesser Sunda Is.,
Louisiana,
Madagascar,
Maine,
Malawi,
Malaya,
Mali,
Maluku,
Manchuria,
Maryland,
Massachusetts,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Michigan,
Minnesota,
Mississippi,
Missouri,
Mozambique,
Myanmar,
Namibia,
Nansei-shoto,
Nebraska,
Nepal,
Nevada,
New Caledonia,
New Guinea,
New Hampshire,
New Jersey,
New Mexico,
New South Wales,
New York,
New Zealand North,
New Zealand South,
Nicaragua,
Niger,
Nigeria,
North Carolina,
Northern Territory,
Ohio,
Oklahoma,
Ontario,
Oregon,
Pakistan,
Panamá,
Paraguay,
Pennsylvania,
Peru,
Philippines,
Puerto Rico,
Queensland,
Rwanda,
Senegal,
Sierra Leone,
Somalia,
South Australia,
South Carolina,
South Dakota,
Sri Lanka,
Sudan,
Sulawesi,
Sumatera,
Suriname,
Taiwan,
Tanzania,
Tasmania,
Tennessee,
Texas,
Thailand,
Togo,
Trinidad-Tobago,
Tristan da Cunha,
Uganda,
Uruguay,
Utah,
Venezuela,
Venezuelan Antilles,
Victoria,
Vietnam,
Virginia,
Washington,
West Himalaya,
West Virginia,
Western Australia,
Wisconsin,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Albania,
Austria,
Baltic States,
Belgium,
Bulgaria,
Canary Is.,
Cape Provinces,
Czechoslovakia,
Denmark,
France,
Free State,
Germany,
Great Britain,
Greece,
Hawaii,
Hungary,
Iraq,
Ireland,
Italy,
Lesotho,
Morocco,
Netherlands,
Northern Provinces,
Palestine,
Poland,
Portugal,
Romania,
Sardegna,
Sicilia,
Spain,
Swaziland,
Sweden,
Tadzhikistan,
Turkey,
Turkey-in-Europe,
Yugoslavia