Native to:
Albania,
Austria,
Baleares,
Bulgaria,
Corse,
Czechia-Slovakia,
France,
Greece,
Hungary,
Italy,
Krym,
NW. Balkan Pen.,
Poland,
Portugal,
Romania,
Sardegna,
Sicilia,
Spain,
Switzerland,
Ukraine
Introduced into:
Alabama,
Argentina Northeast,
Argentina South,
Arizona,
Arkansas,
Baltic States,
Belgium,
British Columbia,
California,
Central European Russia,
China North-Central,
Colorado,
Connecticut,
Cyprus,
Delaware,
District of Columbia,
Georgia,
Germany,
Great Britain,
Guatemala,
Hawaii,
Idaho,
Illinois,
India,
Indiana,
Iowa,
Ireland,
Kansas,
Kentucky,
Kenya,
Louisiana,
Maine,
Maryland,
Massachusetts,
Michigan,
Minnesota,
Mississippi,
Missouri,
Montana,
Nebraska,
Nevada,
New Brunswick,
New Hampshire,
New Jersey,
New Mexico,
New South Wales,
New York,
New Zealand North,
New Zealand South,
Norfolk Is.,
North Carolina,
Nova Scotia,
Ohio,
Oklahoma,
Ontario,
Oregon,
Pennsylvania,
Prince Edward I.,
Queensland,
Québec,
Rhode I.,
South Australia,
South Carolina,
South Dakota,
Sri Lanka,
Tennessee,
Texas,
Uruguay,
Utah,
Uzbekistan,
Vermont,
Victoria,
Virginia,
Washington,
West Virginia,
Western Australia,
Wisconsin,
Wyoming