Native to:
Albania,
Algeria,
Austria,
Azores,
Baleares,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Canary Is.,
Corse,
Czechoslovakia,
Denmark,
East Aegean Is.,
Finland,
France,
Germany,
Great Britain,
Greece,
Hungary,
Iceland,
Ireland,
Italy,
Krym,
Madeira,
Morocco,
Netherlands,
North European Russi,
Northwest European R,
Norway,
Poland,
Portugal,
Sardegna,
Sicilia,
South European Russi,
Spain,
Svalbard,
Sweden,
Switzerland,
Transcaucasus,
Tunisia,
Turkey,
Ukraine,
West Siberia,
Yugoslavia
Introduced into:
Alabama,
British Columbia,
California,
Chatham Is.,
Chile Central,
Connecticut,
Falkland Is.,
Maine,
Maryland,
Massachusetts,
Missouri,
Montana,
New Caledonia,
New Jersey,
New South Wales,
New York,
New Zealand North,
New Zealand South,
Newfoundland,
Oregon,
Pennsylvania,
Queensland,
Québec,
South Australia,
Tasmania,
Victoria,
Virginia,
Washington,
Western Australia,
Wisconsin