Native to:
Afghanistan,
Albania,
Algeria,
Altay,
Amur,
Assam,
Austria,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Buryatiya,
Central European Russia,
China North-Central,
China South-Central,
Chita,
Corse,
Czechoslovakia,
Denmark,
East Aegean Is.,
East European Russia,
East Himalaya,
Finland,
France,
Føroyar,
Germany,
Great Britain,
Greece,
Hungary,
Iceland,
India,
Inner Mongolia,
Iran,
Iraq,
Ireland,
Irkutsk,
Italy,
Japan,
Kamchatka,
Kazakhstan,
Khabarovsk,
Kirgizstan,
Korea,
Krasnoyarsk,
Kriti,
Krym,
Lebanon-Syria,
Magadan,
Manchuria,
Mongolia,
Morocco,
Nepal,
Netherlands,
North Caucasus,
North European Russia,
Northwest European Russia,
Norway,
Pakistan,
Poland,
Portugal,
Primorye,
Qinghai,
Romania,
Sakhalin,
Sardegna,
Sicilia,
South European Russia,
Spain,
Sweden,
Switzerland,
Tadzhikistan,
Tibet,
Transcaucasus,
Tunisia,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Tuva,
Ukraine,
Uzbekistan,
West Himalaya,
West Siberia,
Xinjiang,
Yakutskiya,
Yugoslavia
Introduced into:
Alabama,
Alaska,
Argentina Northeast,
Bolivia,
Brazil Northeast,
Brazil South,
Brazil Southeast,
British Columbia,
California,
Cape Provinces,
Chile Central,
Chile South,
Colombia,
Connecticut,
Delaware,
District of Columbia,
Ecuador,
Eritrea,
Falkland Is.,
Florida,
Georgia,
Greenland,
Guatemala,
Libya,
Maine,
Maryland,
Massachusetts,
Mexico Central,
Mexico Northeast,
Michigan,
Missouri,
New Brunswick,
New Hampshire,
New Jersey,
New York,
New Zealand North,
New Zealand South,
Newfoundland,
North Carolina,
Nova Scotia,
Ohio,
Oklahoma,
Ontario,
Oregon,
Pennsylvania,
Prince Edward I.,
Québec,
Svalbard,
Tennessee,
Tristan da Cunha,
Virginia,
Washington,
West Virginia