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,
Egypt,
Finland,
France,
Germany,
Great Britain,
Greece,
Hungary,
Iran,
Iraq,
Ireland,
Italy,
Kriti,
Krym,
Lebanon-Syria,
Libya,
Madeira,
Morocco,
Netherlands,
North Caucasus,
Northwest European R,
Norway,
Palestine,
Poland,
Portugal,
Romania,
Sardegna,
Saudi Arabia,
Sicilia,
Sinai,
South European Russi,
Spain,
Sweden,
Switzerland,
Transcaucasus,
Tunisia,
Turkey,
Turkey-in-Europe,
Ukraine,
Yugoslavia
Introduced into:
Alabama,
Antipodean Is.,
Argentina Northeast,
Argentina Northwest,
Argentina South,
Arkansas,
British Columbia,
California,
Cape Provinces,
Chatham Is.,
Chile Central,
Chile South,
Connecticut,
Delaware,
District of Columbia,
Falkland Is.,
Georgia,
Hawaii,
Iceland,
Idaho,
Illinois,
Indiana,
Iowa,
Japan,
Kentucky,
Maine,
Maryland,
Massachusetts,
Mexico Northwest,
Michigan,
Missouri,
Montana,
New Hampshire,
New Jersey,
New South Wales,
New York,
New Zealand North,
New Zealand South,
Norfolk Is.,
North Carolina,
Nova Scotia,
Ohio,
Oklahoma,
Ontario,
Oregon,
Pennsylvania,
Québec,
Rhode I.,
South Australia,
South Carolina,
Taiwan,
Tasmania,
Tennessee,
Uruguay,
Utah,
Vermont,
Victoria,
Virginia,
Washington,
West Virginia,
Western Australia,
Wisconsin