Native to:
Belgium,
Corse,
Czechoslovakia,
France,
Germany,
Great Britain,
Ireland,
Morocco,
Portugal,
Sardegna,
Spain,
Sweden
Introduced into:
Argentina Northeast,
Argentina Northwest,
Argentina South,
Arkansas,
Austria,
Azores,
Baltic States,
Belarus,
Bolivia,
Brazil South,
Brazil Southeast,
British Columbia,
California,
Canary Is.,
Central European Russia,
Chile Central,
China South-Central,
China Southeast,
Colombia,
Colorado,
Connecticut,
Costa Rica,
Cuba,
Denmark,
East European Russia,
East Himalaya,
Ecuador,
El Salvador,
Guatemala,
Hungary,
Idaho,
Jamaica,
Korea,
Krym,
Kuril Is.,
Madeira,
Maine,
Malawi,
Maryland,
Massachusetts,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Southeast,
Mexico Southwest,
Michigan,
Montana,
Netherlands,
New Brunswick,
New Hampshire,
New Jersey,
New York,
New Zealand North,
New Zealand South,
Newfoundland,
North Carolina,
Northwest European Russia,
Nova Scotia,
Ohio,
Ontario,
Oregon,
Pennsylvania,
Peru,
Poland,
Québec,
Réunion,
Sakhalin,
South European Russia,
Tasmania,
Ukraine,
Uruguay,
Utah,
Venezuela,
Vermont,
Vietnam,
Washington,
West Virginia,
Wisconsin,
Wyoming,
Zimbabwe