Native to:
Afghanistan,
Albania,
Algeria,
Altay,
Austria,
Azores,
Baleares,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Buryatiya,
Canary Is.,
Central European Russia,
China North-Central,
China South-Central,
China Southeast,
Chita,
Corse,
Cyprus,
Czechoslovakia,
Denmark,
East Aegean Is.,
East European Russia,
East Himalaya,
Finland,
France,
Germany,
Great Britain,
Greece,
Gulf States,
Hungary,
Iran,
Iraq,
Ireland,
Irkutsk,
Italy,
Kirgizstan,
Korea,
Krasnoyarsk,
Kriti,
Krym,
Lebanon-Syria,
Libya,
Madeira,
Manchuria,
Mongolia,
Morocco,
Nepal,
Netherlands,
North European Russia,
Northwest European Russia,
Norway,
Oman,
Pakistan,
Palestine,
Poland,
Portugal,
Romania,
Sardegna,
Saudi Arabia,
Selvagens,
Sicilia,
South European Russia,
Spain,
Sweden,
Switzerland,
Tadzhikistan,
Tibet,
Tunisia,
Turkey,
Turkey-in-Europe,
Tuva,
Ukraine,
Uzbekistan,
Vietnam,
West Himalaya,
West Siberia,
Yakutskiya,
Yugoslavia
Introduced into:
Alabama,
Alaska,
Alberta,
Aleutian Is.,
Amur,
Argentina Northeast,
Argentina Northwest,
Argentina South,
Arizona,
Arkansas,
Bermuda,
Bolivia,
British Columbia,
Burundi,
California,
Cape Verde,
Chatham Is.,
Chile Central,
Chile North,
Chile South,
Colombia,
Colorado,
Connecticut,
Crozet Is.,
Delaware,
District of Columbia,
Dominican Republic,
Ecuador,
Ethiopia,
Florida,
Føroyar,
Georgia,
Greenland,
Haiti,
Hawaii,
Iceland,
Idaho,
Illinois,
Indiana,
Iowa,
Japan,
Juan Fernández Is.,
Kamchatka,
Kansas,
Kentucky,
Khabarovsk,
Labrador,
Louisiana,
Magadan,
Maine,
Manitoba,
Maryland,
Massachusetts,
Mexican Pacific Is.,
Mexico Northeast,
Mexico Northwest,
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,
Nigeria,
North Carolina,
North Dakota,
Nova Scotia,
Ogasawara-shoto,
Ohio,
Oklahoma,
Ontario,
Oregon,
Pennsylvania,
Peru,
Primorye,
Prince Edward I.,
Québec,
Rhode I.,
Sakhalin,
Saskatchewan,
South Australia,
South Carolina,
South Dakota,
Svalbard,
Tasmania,
Tennessee,
Texas,
Tristan da Cunha,
Uruguay,
Utah,
Vermont,
Victoria,
Virginia,
Washington,
West Virginia,
Wisconsin,
Wyoming,
Zaïre