Native to:
Albania,
Algeria,
Austria,
Baleares,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Central European Russia,
Corse,
Cyprus,
Czechoslovakia,
Denmark,
East Aegean Is.,
East European Russia,
Egypt,
Finland,
France,
Germany,
Greece,
Hungary,
Iraq,
Italy,
Kazakhstan,
Kriti,
Krym,
Lebanon-Syria,
Libya,
Morocco,
Netherlands,
North Caucasus,
North European Russia,
Northwest European Russia,
Norway,
Palestine,
Portugal,
Romania,
Sardegna,
Sicilia,
South European Russia,
Spain,
Sweden,
Switzerland,
Transcaucasus,
Tunisia,
Turkey,
Turkey-in-Europe,
Ukraine,
Yugoslavia
Introduced into:
Alabama,
Alberta,
Altay,
Amur,
Argentina Northeast,
Argentina Northwest,
Argentina South,
British Columbia,
California,
Canary Is.,
Chile Central,
Colombia,
Colorado,
Connecticut,
Costa Rica,
District of Columbia,
Falkland Is.,
Florida,
Føroyar,
Georgia,
Great Britain,
Hawaii,
Iceland,
Idaho,
Illinois,
India,
Indiana,
Ireland,
Irkutsk,
Kansas,
Khabarovsk,
Krasnoyarsk,
Louisiana,
Maine,
Manitoba,
Maryland,
Massachusetts,
Mexico Northwest,
Michigan,
Minnesota,
Missouri,
Montana,
New Brunswick,
New Hampshire,
New Jersey,
New South Wales,
New York,
New Zealand North,
New Zealand South,
Newfoundland,
North Carolina,
Nova Scotia,
Ohio,
Ontario,
Oregon,
Pennsylvania,
Poland,
Primorye,
Prince Edward I.,
Queensland,
Québec,
Sakhalin,
Saskatchewan,
South Australia,
South Carolina,
Taiwan,
Tasmania,
Texas,
Uruguay,
Utah,
Vermont,
Virginia,
West Siberia,
West Virginia,
Wisconsin,
Wyoming