Native to:
Albania,
Algeria,
Azores,
Baleares,
Baltic States,
Belgium,
Bulgaria,
Canary Is.,
Corse,
Cyprus,
Denmark,
Egypt,
Finland,
France,
Germany,
Great Britain,
Greece,
Ireland,
Italy,
Kriti,
Krym,
Lebanon-Syria,
Libya,
Madeira,
Morocco,
Netherlands,
Norway,
Poland,
Portugal,
Romania,
Sardegna,
Sicilia,
Spain,
Sweden,
Tunisia,
Turkey-in-Europe,
Yugoslavia
Introduced into:
Alabama,
Amur,
Argentina Northeast,
Argentina Northwest,
Argentina South,
Cape Provinces,
Chile Central,
Chile South,
Connecticut,
Delaware,
Florida,
Free State,
Hawaii,
Lesotho,
Louisiana,
Maine,
Maryland,
Massachusetts,
Mississippi,
Namibia,
New Brunswick,
New Hampshire,
New Jersey,
New South Wales,
New York,
Newfoundland,
North Carolina,
Northern Provinces,
Northern Territory,
Nova Scotia,
Pennsylvania,
Prince Edward I.,
Queensland,
Québec,
Rhode I.,
South Australia,
South Carolina,
Uruguay,
Victoria,
Virginia,
Western Australia