Native to:
Afghanistan,
Alabama,
Alaska,
Albania,
Alberta,
Aleutian Is.,
Algeria,
Altay,
Amsterdam-St.Paul Is.,
Argentina Northeast,
Argentina Northwest,
Arizona,
Arkansas,
Assam,
Austria,
Azores,
Baleares,
Baltic States,
Belarus,
Belgium,
Brazil South,
British Columbia,
Bulgaria,
Buryatiya,
California,
Cameroon,
Canary Is.,
Central European Russia,
Chile Central,
China North-Central,
China South-Central,
China Southeast,
Chita,
Colorado,
Connecticut,
Corse,
Cyprus,
Czechia-Slovakia,
Delaware,
Denmark,
Dominican Republic,
DR Congo,
East Aegean Is.,
East European Russia,
East Himalaya,
Ethiopia,
Finland,
Florida,
France,
Føroyar,
Georgia,
Germany,
Great Britain,
Greece,
Greenland,
Gulf of Guinea Is.,
Hungary,
Iceland,
Idaho,
Illinois,
India,
Indiana,
Inner Mongolia,
Iran,
Iraq,
Ireland,
Irkutsk,
Italy,
Japan,
Jawa,
Juan Fernández Is.,
Kamchatka,
Kansas,
Kazakhstan,
Kentucky,
Kenya,
Khabarovsk,
Kirgizstan,
Korea,
Krasnoyarsk,
Kriti,
Krym,
Kuril Is.,
Labrador,
Lebanon-Syria,
Libya,
Louisiana,
Madeira,
Magadan,
Maine,
Maluku,
Manchuria,
Manitoba,
Maryland,
Massachusetts,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southwest,
Michigan,
Minnesota,
Mississippi,
Missouri,
Mongolia,
Montana,
Morocco,
Nansei-shoto,
Nepal,
Netherlands,
Nevada,
New Brunswick,
New Guinea,
New Jersey,
New Mexico,
New South Wales,
New York,
Newfoundland,
North Carolina,
North Caucasus,
North European Russia,
Northwest European Russia,
Northwest Territories,
Norway,
Nova Scotia,
Nunavut,
NW. Balkan Pen.,
Ogasawara-shoto,
Ohio,
Oklahoma,
Ontario,
Oregon,
Pakistan,
Palestine,
Pennsylvania,
Philippines,
Poland,
Portugal,
Primorye,
Prince Edward I.,
Qinghai,
Québec,
Romania,
Rwanda,
Sakhalin,
Sardegna,
Saskatchewan,
Sicilia,
Sinai,
South Carolina,
South European Russia,
Spain,
Sri Lanka,
Sudan-South Sudan,
Sulawesi,
Svalbard,
Sweden,
Switzerland,
Tadzhikistan,
Taiwan,
Tanzania,
Tasmania,
Tennessee,
Texas,
Tibet,
Transcaucasus,
Tunisia,
Türkey,
Türkey-in-Europe,
Uganda,
Ukraine,
Uruguay,
Utah,
Uzbekistan,
Vermont,
Victoria,
Vietnam,
Virginia,
Washington,
West Himalaya,
West Siberia,
Wyoming,
Xinjiang,
Yakutiya,
Yukon
Introduced into:
Argentina South,
Bermuda,
Bolivia,
Brazil Southeast,
Cape Provinces,
Chile South,
Colombia,
Costa Rica,
Crozet Is.,
Ecuador,
Falkland Is.,
Free State,
Guatemala,
Hawaii,
Iowa,
Kerguelen,
KwaZulu-Natal,
Malaya,
Marion-Prince Edward Is.,
Mauritius,
Mexico Southeast,
New Hampshire,
New Zealand North,
Norfolk Is.,
Peru,
Rhode I.,
Réunion,
South Georgia,
St.Helena,
Tristan da Cunha,
Venezuela,
West Virginia,
Wisconsin