Native to:
Albania,
Alberta,
Altay,
Arizona,
Austria,
Azores,
Baltic States,
Belarus,
Belgium,
British Columbia,
Bulgaria,
Buryatiya,
California,
Central European Rus,
Colorado,
Connecticut,
Corse,
Czechoslovakia,
Denmark,
East European Russia,
Finland,
France,
Germany,
Great Britain,
Greece,
Guatemala,
Hungary,
Iceland,
Idaho,
Illinois,
Indiana,
Iowa,
Iran,
Ireland,
Irkutsk,
Italy,
Kazakhstan,
Kirgizstan,
Krasnoyarsk,
Krym,
Lebanon-Syria,
Madeira,
Maine,
Manitoba,
Massachusetts,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southwest,
Michigan,
Minnesota,
Mississippi,
Montana,
Nebraska,
Netherlands,
New Hampshire,
New Mexico,
New York,
Newfoundland,
North Carolina,
North Caucasus,
North Dakota,
North European Russi,
Northwest European R,
Northwest Territorie,
Norway,
Nova Scotia,
Ohio,
Ontario,
Oregon,
Pennsylvania,
Poland,
Portugal,
Québec,
Romania,
Sardegna,
Saskatchewan,
Sicilia,
South Dakota,
South European Russi,
Spain,
Sweden,
Switzerland,
Texas,
Transcaucasus,
Turkey,
Turkey-in-Europe,
Tuva,
Ukraine,
Utah,
Vermont,
Virginia,
Washington,
West Siberia,
West Virginia,
Wisconsin,
Wyoming,
Xinjiang,
Yugoslavia
Introduced into:
Argentina Northwest,
Baleares,
Bolivia,
Brazil South,
Canary Is.,
Cape Provinces,
Ecuador,
Hawaii,
Ivory Coast,
Japan,
Jawa,
Kenya,
Malaya,
Manchuria,
Maryland,
Mauritius,
New Guinea,
New Zealand North,
New Zealand South,
Northern Provinces,
Philippines,
Rwanda,
Réunion,
Sumatera,
Tanzania,
Tennessee,
Trinidad-Tobago,
Tunisia