Native to:
Austria,
France,
Italy,
NW. Balkan Pen.,
Switzerland
Introduced into:
Alabama,
Albania,
Algeria,
Argentina Northeast,
Argentina Northwest,
Arkansas,
Azores,
Baleares,
Baltic States,
Belgium,
Bermuda,
Bolivia,
Brazil South,
Brazil Southeast,
British Columbia,
Bulgaria,
California,
Canary Is.,
Cape Provinces,
Cape Verde,
Chile Central,
Colombia,
Colorado,
Connecticut,
Corse,
Costa Rica,
Czechia-Slovakia,
Delaware,
Denmark,
East Himalaya,
Ecuador,
Germany,
Great Britain,
Greece,
Guatemala,
Hawaii,
Honduras,
Hungary,
Illinois,
Indiana,
Ireland,
Jamaica,
Juan Fernández Is.,
Kentucky,
Korea,
Kriti,
Krym,
Madeira,
Manitoba,
Maryland,
Massachusetts,
Mauritius,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Southeast,
Mexico Southwest,
Michigan,
Missouri,
Morocco,
Nebraska,
Netherlands,
New Brunswick,
New Jersey,
New South Wales,
New York,
New Zealand North,
New Zealand South,
Newfoundland,
North Carolina,
North Caucasus,
North European Russia,
Northern Provinces,
Northwest European Russia,
Norway,
Ohio,
Ontario,
Oregon,
Palestine,
Pennsylvania,
Poland,
Portugal,
Queensland,
Québec,
Romania,
Sicilia,
South Australia,
South Carolina,
South Dakota,
Spain,
St.Helena,
Sweden,
Tasmania,
Tennessee,
Tunisia,
Türkiye,
Türkiye-in-Europe,
Ukraine,
Uruguay,
Vermont,
Victoria,
Virginia,
Washington,
West Siberia,
West Virginia,
Western Australia,
Wisconsin