Native to:
Albania,
Algeria,
Altay,
Austria,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Buryatiya,
Canary Is.,
Central European Rus,
Corse,
Czechoslovakia,
Denmark,
East European Russia,
Egypt,
Finland,
France,
Føroyar,
Germany,
Great Britain,
Greece,
Hungary,
Iceland,
Iran,
Iraq,
Ireland,
Irkutsk,
Italy,
Kazakhstan,
Krasnoyarsk,
Kuwait,
Lebanon-Syria,
Libya,
Mauritania,
Morocco,
Netherlands,
North Caucasus,
North European Russi,
Northwest European R,
Norway,
Palestine,
Poland,
Portugal,
Romania,
Sardegna,
Saudi Arabia,
Sicilia,
Sinai,
South European Russi,
Spain,
Sweden,
Switzerland,
Tunisia,
Turkey,
Turkey-in-Europe,
Ukraine,
West Siberia,
Yugoslavia
Introduced into:
Alaska,
Amur,
Connecticut,
Greenland,
Idaho,
Iowa,
Kamchatka,
Khabarovsk,
Kuril Is.,
Labrador,
Maine,
Maryland,
Massachusetts,
Michigan,
New Brunswick,
New Hampshire,
New Jersey,
New York,
Newfoundland,
Nova Scotia,
Ohio,
Oregon,
Pennsylvania,
Primorye,
Prince Edward I.,
Québec,
Rhode I.,
Sakhalin,
Vermont,
Washington,
West Virginia