Doubtfully present in:
Angola,
Guyana
Native to:
Afghanistan,
Alabama,
Alaska,
Albania,
Alberta,
Aleutian Is.,
Algeria,
Altay,
Amur,
Antipodean Is.,
Argentina Northeast,
Argentina Northwest,
Argentina South,
Arizona,
Arkansas,
Assam,
Austria,
Azores,
Baleares,
Baltic States,
Bangladesh,
Belarus,
Belgium,
Bolivia,
Borneo,
Botswana,
Brazil Northeast,
Brazil South,
Brazil Southeast,
Brazil West-Central,
British Columbia,
Bulgaria,
Buryatiya,
California,
Cambodia,
Cameroon,
Canary Is.,
Cape Provinces,
Central European Rus,
Chatham Is.,
Chile Central,
Chile North,
Chile South,
China North-Central,
China South-Central,
China Southeast,
Chita,
Colombia,
Colorado,
Connecticut,
Corse,
Costa Rica,
Cuba,
Czechoslovakia,
Delaware,
Denmark,
East Aegean Is.,
East European Russia,
East Himalaya,
Ecuador,
Egypt,
Eritrea,
Ethiopia,
Falkland Is.,
Finland,
Florida,
France,
Free State,
French Guiana,
Føroyar,
Georgia,
Germany,
Great Britain,
Greece,
Greenland,
Guatemala,
Hainan,
Hungary,
Iceland,
Idaho,
Illinois,
India,
Indiana,
Inner Mongolia,
Iowa,
Iran,
Iraq,
Ireland,
Irkutsk,
Italy,
Japan,
Jawa,
Kamchatka,
Kansas,
Kazakhstan,
Kentucky,
Khabarovsk,
Kirgizstan,
Korea,
Krasnoyarsk,
Kriti,
Krym,
Kuril Is.,
KwaZulu-Natal,
Labrador,
Lebanon-Syria,
Lesser Sunda Is.,
Louisiana,
Macquarie Is.,
Madagascar,
Magadan,
Maine,
Malawi,
Malaya,
Maluku,
Manchuria,
Manitoba,
Maryland,
Massachusetts,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Southeast,
Mexico Southwest,
Michigan,
Minnesota,
Mississippi,
Missouri,
Mongolia,
Montana,
Morocco,
Myanmar,
Namibia,
Nansei-shoto,
Nebraska,
Nepal,
Netherlands,
Nevada,
New Brunswick,
New Guinea,
New Hampshire,
New Jersey,
New Mexico,
New South Wales,
New York,
New Zealand North,
New Zealand South,
Newfoundland,
Nicaragua,
North Carolina,
North Dakota,
North European Russi,
Northern Provinces,
Northern Territory,
Northwest European R,
Northwest Territorie,
Norway,
Nova Scotia,
Nunavut,
Ohio,
Oklahoma,
Ontario,
Oregon,
Pakistan,
Palestine,
Paraguay,
Pennsylvania,
Peru,
Philippines,
Poland,
Portugal,
Primorye,
Prince Edward I.,
Qinghai,
Queensland,
Québec,
Rhode I.,
Romania,
Sakhalin,
Sardegna,
Saskatchewan,
Saudi Arabia,
Sicilia,
South Australia,
South Carolina,
South Dakota,
South European Russi,
Spain,
Sri Lanka,
Sudan,
Sulawesi,
Sumatera,
Sweden,
Switzerland,
Tadzhikistan,
Taiwan,
Tanzania,
Tasmania,
Tennessee,
Texas,
Thailand,
Tibet,
Transcaucasus,
Tunisia,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Tuva,
Ukraine,
Uruguay,
Utah,
Uzbekistan,
Venezuela,
Vermont,
Victoria,
Vietnam,
Virginia,
Washington,
West Himalaya,
West Siberia,
West Virginia,
Western Australia,
Wisconsin,
Wyoming,
Xinjiang,
Yakutskiya,
Yemen,
Yugoslavia,
Yukon,
Zambia,
Zimbabwe
Introduced into:
District of Columbia,
Dominican Republic,
Hawaii,
Jamaica,
Kenya,
Lesotho,
Madeira,
Mexico Northwest,
Windward Is.