Native to:
Albania,
Algeria,
Austria,
Azores,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Canary Is.,
Central European Russia,
Corse,
Czechoslovakia,
Denmark,
East European Russia,
Finland,
France,
Germany,
Greece,
Hungary,
Italy,
Kriti,
Libya,
Madeira,
Morocco,
Netherlands,
Northwest European Russia,
Norway,
Palestine,
Poland,
Portugal,
Romania,
Sardegna,
Sicilia,
South European Russia,
Spain,
Sweden,
Switzerland,
Tunisia,
Ukraine,
Yugoslavia
Introduced into:
Alabama,
Assam,
Bangladesh,
Bermuda,
District of Columbia,
Falkland Is.,
Florida,
Great Britain,
Haiti,
Illinois,
India,
Ireland,
Kentucky,
Louisiana,
Maryland,
Massachusetts,
Mauritius,
New York,
Newfoundland,
Northern Provinces,
Nova Scotia,
Pennsylvania,
Québec,
Réunion,
St.Helena,
Texas,
Tristan da Cunha,
Turkmenistan,
Vermont,
West Siberia