Native to:
Albania,
Algeria,
Austria,
Azores,
Baleares,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Canary Is.,
Central European Rus,
Corse,
Cyprus,
Czechoslovakia,
Denmark,
East Aegean Is.,
Egypt,
Finland,
France,
Germany,
Great Britain,
Greece,
Hungary,
Iran,
Iraq,
Ireland,
Italy,
Kriti,
Krym,
Lebanon-Syria,
Libya,
Madeira,
Morocco,
Netherlands,
North Caucasus,
North European Russi,
Northwest European R,
Norway,
Palestine,
Poland,
Portugal,
Romania,
Sardegna,
Saudi Arabia,
Selvagens,
Sicilia,
South European Russi,
Spain,
Sweden,
Switzerland,
Transcaucasus,
Tunisia,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Ukraine,
West Himalaya,
Yugoslavia
Introduced into:
Alabama,
Amsterdam-St.Paul Is,
Antipodean Is.,
Argentina Northeast,
Argentina Northwest,
Argentina South,
Arkansas,
British Columbia,
California,
Cape Provinces,
Chatham Is.,
Chile Central,
Chile South,
China Southeast,
Colorado,
Connecticut,
Costa Rica,
Delaware,
Falkland Is.,
Free State,
Georgia,
Idaho,
Irkutsk,
Japan,
Juan Fernández Is.,
Korea,
Louisiana,
Maine,
Maryland,
Massachusetts,
Mexico Northwest,
Michigan,
Mississippi,
Missouri,
Montana,
New Hampshire,
New Jersey,
New Mexico,
New South Wales,
New York,
New Zealand North,
New Zealand South,
Newfoundland,
North Carolina,
Nova Scotia,
Ohio,
Oklahoma,
Ontario,
Oregon,
Pennsylvania,
Primorye,
Québec,
Rhode I.,
Sakhalin,
South Australia,
South Carolina,
Tasmania,
Tennessee,
Uruguay,
Vermont,
Victoria,
Virginia,
Washington,
West Virginia,
Western Australia,
Wisconsin