Native to:
Albania,
Austria,
Baleares,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Central European Rus,
Corse,
Cyprus,
Czechoslovakia,
Denmark,
East European Russia,
Finland,
France,
Føroyar,
Germany,
Great Britain,
Greece,
Hungary,
Iceland,
Iran,
Iraq,
Ireland,
Italy,
Kazakhstan,
Kirgizstan,
Krym,
Lebanon-Syria,
Morocco,
Netherlands,
North Caucasus,
North European Russi,
Northwest European R,
Norway,
Palestine,
Poland,
Portugal,
Romania,
Sardegna,
Sicilia,
South European Russi,
Spain,
Sweden,
Switzerland,
Transcaucasus,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Ukraine,
Yugoslavia
Introduced into:
Alabama,
Alaska,
Antipodean Is.,
Argentina Northeast,
Argentina Northwest,
Argentina South,
Arizona,
Arkansas,
Brazil South,
British Columbia,
California,
Chile Central,
Chile South,
Colombia,
Colorado,
Connecticut,
Delaware,
District of Columbia,
Ecuador,
Falkland Is.,
Georgia,
Hawaii,
Idaho,
Illinois,
Indiana,
Iowa,
Japan,
Kamchatka,
Kansas,
Kentucky,
Kerguelen,
Korea,
KwaZulu-Natal,
Louisiana,
Maine,
Maryland,
Massachusetts,
Mexico Southeast,
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,
Newfoundland,
North Carolina,
Nova Scotia,
Ohio,
Ontario,
Oregon,
Pennsylvania,
Québec,
Rhode I.,
Réunion,
Sakhalin,
South Dakota,
Sri Lanka,
Tadzhikistan,
Tennessee,
Uruguay,
Utah,
Vermont,
Virginia,
Washington,
West Himalaya,
West Virginia,
Wisconsin,
Wyoming