Native to:
Albania,
Austria,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Central European Russia,
Corse,
Czechoslovakia,
Denmark,
East European Russia,
France,
Germany,
Great Britain,
Hungary,
Ireland,
Italy,
Krym,
Madeira,
Netherlands,
Northwest European Russia,
Norway,
Poland,
Portugal,
Romania,
Sardegna,
Sicilia,
South European Russia,
Spain,
Sweden,
Switzerland,
Ukraine,
Yugoslavia
Introduced into:
Alabama,
Argentina Northeast,
Argentina South,
Arkansas,
Bolivia,
British Columbia,
California,
Cape Provinces,
Chatham Is.,
Chile Central,
Colorado,
Connecticut,
Delaware,
District of Columbia,
Falkland Is.,
Free State,
Georgia,
Idaho,
Illinois,
Indiana,
Iowa,
Kansas,
Kentucky,
KwaZulu-Natal,
Lesotho,
Louisiana,
Maine,
Maryland,
Massachusetts,
Michigan,
Minnesota,
Mississippi,
Missouri,
Montana,
Nebraska,
New Brunswick,
New Hampshire,
New Jersey,
New South Wales,
New York,
New Zealand North,
New Zealand South,
Newfoundland,
North Carolina,
Northern Provinces,
Nova Scotia,
Ohio,
Oklahoma,
Ontario,
Oregon,
Pennsylvania,
Prince Edward I.,
Queensland,
Québec,
Rhode I.,
South Australia,
South Carolina,
Tasmania,
Tennessee,
Texas,
Utah,
Vermont,
Victoria,
Virginia,
Washington,
West Himalaya,
West Virginia,
Western Australia,
Wisconsin,
Wyoming