Native to:
France,
Great Britain,
Spain
Introduced into:
Albania,
Algeria,
Antipodean Is.,
Assam,
Azores,
Baltic States,
Bangladesh,
Belarus,
Belgium,
Bulgaria,
California,
Canary Is.,
Caroline Is.,
Central European Rus,
Chatham Is.,
Chile South,
China North-Central,
China South-Central,
China Southeast,
Connecticut,
Costa Rica,
Crozet Is.,
Czechoslovakia,
East European Russia,
East Himalaya,
Easter Is.,
Ecuador,
El Salvador,
Ethiopia,
Falkland Is.,
Germany,
Greece,
Guatemala,
Illinois,
India,
Iowa,
Iraq,
Ireland,
Juan Fernández Is.,
Kazakhstan,
Kentucky,
Kenya,
Korea,
Krym,
Labrador,
Lebanon-Syria,
Libya,
Madeira,
Marianas,
Marshall Is.,
Maryland,
Massachusetts,
Morocco,
Netherlands,
New Caledonia,
New South Wales,
New York,
New Zealand North,
New Zealand South,
Newfoundland,
North European Russi,
Northern Territory,
Northwest European R,
Ohio,
Ontario,
Oregon,
Pennsylvania,
Prince Edward I.,
Queensland,
Québec,
Rhode I.,
Sardegna,
Saudi Arabia,
South Australia,
South European Russi,
Tadzhikistan,
Tanzania,
Tasmania,
Texas,
Trinidad-Tobago,
Tunisia,
Turkmenistan,
Ukraine,
Vermont,
Victoria,
Vietnam,
Washington,
Western Australia,
Zaïre