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 Russia,
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 Russia,
Northern Territory,
Northwest European Russia,
Ohio,
Ontario,
Oregon,
Pennsylvania,
Prince Edward I.,
Queensland,
Québec,
Rhode I.,
Sardegna,
Saudi Arabia,
South Australia,
South European Russia,
Tadzhikistan,
Tanzania,
Tasmania,
Texas,
Trinidad-Tobago,
Tunisia,
Turkmenistan,
Ukraine,
Vermont,
Victoria,
Vietnam,
Washington,
Western Australia,
Zaïre