Native to:
Afghanistan,
Alabama,
Aldabra,
Altay,
Amur,
Angola,
Argentina Northeast,
Arizona,
Arkansas,
Assam,
Austria,
Bangladesh,
Belarus,
Belize,
Benin,
Bolivia,
Botswana,
Brazil North,
Brazil Northeast,
Brazil South,
Brazil Southeast,
Brazil West-Central,
British Columbia,
Bulgaria,
Burkina,
Burundi,
California,
Cameroon,
Cape Provinces,
Central African Repu,
Central European Rus,
Chad,
Chile Central,
Chile South,
China South-Central,
China Southeast,
Colombia,
Colorado,
Comoros,
Congo,
Connecticut,
Costa Rica,
Cuba,
Czechoslovakia,
Delaware,
District of Columbia,
Dominican Republic,
East European Russia,
East Himalaya,
Ecuador,
Egypt,
El Salvador,
Ethiopia,
Florida,
France,
Free State,
French Guiana,
Gabon,
Georgia,
Germany,
Ghana,
Greece,
Guatemala,
Guyana,
Hainan,
Honduras,
Hungary,
Idaho,
Illinois,
India,
Indiana,
Iowa,
Iran,
Italy,
Japan,
Jawa,
Kansas,
Kazakhstan,
Kentucky,
Kenya,
Khabarovsk,
Korea,
KwaZulu-Natal,
Laos,
Leeward Is.,
Lesotho,
Louisiana,
Madagascar,
Maine,
Malawi,
Malaya,
Mali,
Maluku,
Manchuria,
Marianas,
Maryland,
Massachusetts,
Mauritius,
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 Brunswick,
New Guinea,
New Hampshire,
New Jersey,
New Mexico,
New South Wales,
New York,
Nicaragua,
Niger,
Nigeria,
North Carolina,
North Dakota,
Northern Provinces,
Northern Territory,
Nova Scotia,
Ohio,
Oklahoma,
Ontario,
Oregon,
Pakistan,
Panamá,
Paraguay,
Pennsylvania,
Peru,
Philippines,
Poland,
Portugal,
Primorye,
Prince Edward I.,
Puerto Rico,
Queensland,
Québec,
Rhode I.,
Romania,
Rwanda,
Réunion,
Senegal,
Somalia,
South Carolina,
South Dakota,
South European Russi,
Spain,
Sri Lanka,
Sudan,
Suriname,
Switzerland,
Tadzhikistan,
Taiwan,
Tanzania,
Tennessee,
Texas,
Thailand,
Togo,
Transcaucasus,
Turkey,
Uganda,
Ukraine,
Uruguay,
Uzbekistan,
Venezuela,
Vermont,
Vietnam,
Virginia,
Wallis-Futuna Is.,
Washington,
West Himalaya,
West Siberia,
West Virginia,
Western Australia,
Windward Is.,
Wisconsin,
Yugoslavia,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Albania,
Belgium,
Fiji,
Galápagos,
Jamaica,
Netherlands