Native to:
Albania,
Algeria,
Austria,
Azores,
Baleares,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Canary Is.,
Central European Rus,
Corse,
Cyprus,
Czechoslovakia,
Denmark,
East Aegean Is.,
East European Russia,
France,
Germany,
Great Britain,
Greece,
Hungary,
Iran,
Iraq,
Ireland,
Italy,
Kazakhstan,
Kirgizstan,
Kriti,
Krym,
Lebanon-Syria,
Libya,
Madeira,
Morocco,
Netherlands,
North Caucasus,
North European Russi,
Northwest European R,
Norway,
Palestine,
Poland,
Portugal,
Romania,
Sardegna,
Sicilia,
South European Russi,
Spain,
Sweden,
Switzerland,
Tadzhikistan,
Transcaucasus,
Tunisia,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Ukraine,
Uzbekistan,
Yugoslavia
Introduced into:
Afghanistan,
Alaska,
Antipodean Is.,
Bolivia,
British Columbia,
California,
Chatham Is.,
Colombia,
Connecticut,
Costa Rica,
Falkland Is.,
Finland,
Føroyar,
Hawaii,
Iceland,
Idaho,
Illinois,
India,
Indiana,
Kentucky,
Korea,
Kuril Is.,
Maine,
Massachusetts,
Michigan,
Minnesota,
Montana,
Myanmar,
New Brunswick,
New Hampshire,
New York,
New Zealand North,
New Zealand South,
Newfoundland,
North Carolina,
North Dakota,
Nova Scotia,
Ohio,
Ontario,
Oregon,
Pakistan,
Pennsylvania,
Québec,
Rhode I.,
Sakhalin,
Tasmania,
Tennessee,
Tristan da Cunha,
Uruguay,
Utah,
Vermont,
Victoria,
Virginia,
Washington,
West Himalaya,
West Virginia,
Wisconsin