Native to:
Afghanistan,
Albania,
Algeria,
Austria,
Azores,
Baleares,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Canary Is.,
Central European Russia,
Corse,
Cyprus,
Czechoslovakia,
Denmark,
East Aegean Is.,
East European Russia,
Finland,
France,
Føroyar,
Germany,
Great Britain,
Greece,
Hungary,
Iceland,
Iran,
Iraq,
Ireland,
Italy,
Kazakhstan,
Kirgizstan,
Kriti,
Krym,
Lebanon-Syria,
Madeira,
Morocco,
Netherlands,
North Caucasus,
North European Russia,
Northwest European Russia,
Norway,
Palestine,
Poland,
Portugal,
Romania,
Sardegna,
Sicilia,
South European Russia,
Spain,
Sweden,
Switzerland,
Transcaucasus,
Tunisia,
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,
Chatham Is.,
Chile Central,
Chile South,
Colombia,
Colorado,
Connecticut,
Crozet Is.,
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,
Queensland,
Québec,
Rhode I.,
Réunion,
Sakhalin,
South Australia,
South Dakota,
Sri Lanka,
Tadzhikistan,
Tasmania,
Tennessee,
Uruguay,
Utah,
Vermont,
Victoria,
Virginia,
Washington,
West Himalaya,
West Virginia,
Western Australia,
Wisconsin,
Wyoming