Native to:
Afghanistan,
Albania,
Algeria,
Altay,
Austria,
Azores,
Baleares,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Canary Is.,
Cape Verde,
Central European Rus,
China North-Central,
China South-Central,
China Southeast,
Corse,
Cyprus,
Czechoslovakia,
Denmark,
Djibouti,
East Aegean Is.,
East European Russia,
East Himalaya,
Eritrea,
Ethiopia,
Finland,
France,
Germany,
Great Britain,
Greece,
Hungary,
Iran,
Ireland,
Italy,
Japan,
Kazakhstan,
Kenya,
Kirgizstan,
Korea,
Krasnoyarsk,
Kriti,
Krym,
Lebanon-Syria,
Libya,
Madeira,
Mongolia,
Morocco,
Nepal,
Netherlands,
North Caucasus,
North European Russi,
Northwest European R,
Norway,
Pakistan,
Palestine,
Poland,
Portugal,
Romania,
Rwanda,
Sardegna,
Saudi Arabia,
Sicilia,
Somalia,
South European Russi,
Spain,
Sudan,
Sweden,
Switzerland,
Tadzhikistan,
Tanzania,
Tibet,
Transcaucasus,
Tunisia,
Turkey,
Turkey-in-Europe,
Tuva,
Uganda,
Ukraine,
Uzbekistan,
West Himalaya,
West Siberia,
Xinjiang,
Yugoslavia,
Zaïre
Introduced into:
Alabama,
Argentina South,
Arkansas,
British Columbia,
California,
Cape Provinces,
Chile Central,
Chile South,
Connecticut,
Delaware,
District of Columbia,
Georgia,
Idaho,
Illinois,
Indiana,
Iowa,
Kentucky,
Kerguelen,
Louisiana,
Maine,
Maryland,
Massachusetts,
Michigan,
Mississippi,
Missouri,
Montana,
New Hampshire,
New Jersey,
New Mexico,
New South Wales,
New York,
New Zealand North,
New Zealand South,
Newfoundland,
North Carolina,
Ohio,
Oklahoma,
Ontario,
Oregon,
Pennsylvania,
Québec,
Rhode I.,
South Carolina,
Tasmania,
Tennessee,
Texas,
Uruguay,
Utah,
Vermont,
Virginia,
Washington,
West Virginia,
Wisconsin