Native to:
Afghanistan,
Albania,
Altay,
Austria,
Baleares,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Cambodia,
Central European Russia,
China North-Central,
China South-Central,
China Southeast,
Corse,
Cyprus,
Czechia-Slovakia,
Denmark,
East Aegean Is.,
East European Russia,
East Himalaya,
Finland,
France,
Føroyar,
Germany,
Greece,
Greenland,
Hainan,
Hungary,
Iceland,
Inner Mongolia,
Iran,
Iraq,
Italy,
Japan,
Kazakhstan,
Kirgizstan,
Korea,
Krasnoyarsk,
Kriti,
Krym,
Laos,
Lebanon-Syria,
Malaya,
Manchuria,
Myanmar,
Nepal,
Netherlands,
North Caucasus,
North European Russia,
Northwest European Russia,
Norway,
NW. Balkan Pen.,
Pakistan,
Palestine,
Poland,
Portugal,
Qinghai,
Romania,
Sardegna,
Sicilia,
Sinai,
South European Russia,
Spain,
Svalbard,
Sweden,
Switzerland,
Tadzhikistan,
Taiwan,
Tibet,
Transcaucasus,
Turkmenistan,
Türkey,
Türkey-in-Europe,
Ukraine,
Uzbekistan,
Vietnam,
West Himalaya,
West Siberia,
Xinjiang
Introduced into:
Alabama,
Alberta,
Amur,
Arizona,
British Columbia,
California,
Colorado,
Connecticut,
Delaware,
Georgia,
Great Britain,
Idaho,
Illinois,
Indiana,
Iowa,
Ireland,
Khabarovsk,
Kuril Is.,
Maine,
Manitoba,
Maryland,
Massachusetts,
Michigan,
Minnesota,
Montana,
Nevada,
New Brunswick,
New Hampshire,
New Jersey,
New South Wales,
New York,
New Zealand North,
New Zealand South,
North Carolina,
North Dakota,
Ohio,
Ontario,
Oregon,
Pennsylvania,
Primorye,
Québec,
Rhode I.,
Sakhalin,
Saskatchewan,
South Carolina,
South Dakota,
Utah,
Vermont,
Victoria,
Virginia,
Washington,
West Virginia,
Wisconsin,
Wyoming