Native to:
Alabama,
Alaska,
Alberta,
Altay,
Amur,
Antipodean Is.,
Argentina Northeast,
Argentina Northwest,
Argentina South,
Arizona,
Arkansas,
Assam,
Austria,
Azores,
Baltic States,
Bangladesh,
Belarus,
Belgium,
Bolivia,
Borneo,
Brazil North,
Brazil Northeast,
Brazil South,
Brazil Southeast,
Brazil West-Central,
British Columbia,
Bulgaria,
Burundi,
Buryatiya,
California,
Cambodia,
Cameroon,
Cape Provinces,
Central European Rus,
Chatham Is.,
Chile Central,
Chile South,
China North-Central,
China South-Central,
China Southeast,
Chita,
Colombia,
Colorado,
Comoros,
Connecticut,
Costa Rica,
Crozet Is.,
Czechoslovakia,
Delaware,
Denmark,
District of Columbia,
Dominican Republic,
East European Russia,
East Himalaya,
Ecuador,
El Salvador,
Ethiopia,
Falkland Is.,
Fiji,
Finland,
France,
Free State,
Føroyar,
Galápagos,
Georgia,
Germany,
Great Britain,
Greenland,
Guatemala,
Guinea,
Gulf of Guinea Is.,
Guyana,
Hainan,
Haiti,
Hawaii,
Honduras,
Hungary,
Iceland,
Idaho,
Illinois,
India,
Indiana,
Inner Mongolia,
Iowa,
Ireland,
Irkutsk,
Italy,
Jamaica,
Japan,
Jawa,
Juan Fernández Is.,
Kamchatka,
Kazakhstan,
Kentucky,
Kenya,
Kerguelen,
Kermadec Is.,
Khabarovsk,
Korea,
Krasnoyarsk,
Kuril Is.,
KwaZulu-Natal,
Labrador,
Laos,
Lesotho,
Lesser Sunda Is.,
Madagascar,
Madeira,
Magadan,
Maine,
Malawi,
Malaya,
Maluku,
Manchuria,
Manitoba,
Marion-Prince Edward,
Marquesas,
Maryland,
Massachusetts,
Mauritius,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Southeast,
Mexico Southwest,
Michigan,
Minnesota,
Mississippi,
Missouri,
Mongolia,
Montana,
Mozambique,
Myanmar,
Nansei-shoto,
Nepal,
Netherlands,
New Brunswick,
New Caledonia,
New Guinea,
New Hampshire,
New Jersey,
New Mexico,
New South Wales,
New York,
New Zealand North,
New Zealand South,
Newfoundland,
North Carolina,
North Caucasus,
North European Russi,
Northern Provinces,
Northwest European R,
Northwest Territorie,
Norway,
Nova Scotia,
Nunavut,
Ohio,
Ontario,
Oregon,
Panamá,
Pennsylvania,
Peru,
Philippines,
Poland,
Portugal,
Primorye,
Prince Edward I.,
Queensland,
Québec,
Rhode I.,
Romania,
Rwanda,
Réunion,
Sakhalin,
Samoa,
Saskatchewan,
Society Is.,
Solomon Is.,
South Australia,
South Carolina,
South Dakota,
South Georgia,
Spain,
Sri Lanka,
Sudan,
Sulawesi,
Sumatera,
Swaziland,
Sweden,
Switzerland,
Taiwan,
Tanzania,
Tasmania,
Tennessee,
Thailand,
Tibet,
Transcaucasus,
Tristan da Cunha,
Tubuai Is.,
Turkey,
Tuva,
Uganda,
Ukraine,
Utah,
Vanuatu,
Venezuela,
Vermont,
Victoria,
Vietnam,
Virginia,
Washington,
West Himalaya,
West Siberia,
West Virginia,
Wisconsin,
Wyoming,
Xinjiang,
Yakutskiya,
Yugoslavia,
Yukon,
Zambia,
Zaïre,
Zimbabwe
Extinct in:
Corse