Native to:
Afghanistan,
Albania,
Algeria,
Altay,
Austria,
Azores,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Buryatiya,
Canary Is.,
Central European Russia,
Corse,
Czechoslovakia,
Denmark,
East European Russia,
East Himalaya,
Finland,
France,
Føroyar,
Germany,
Great Britain,
Greece,
Hungary,
India,
Iran,
Iraq,
Ireland,
Irkutsk,
Italy,
Kazakhstan,
Kirgizstan,
Krasnoyarsk,
Krym,
Madeira,
Mongolia,
Morocco,
Nepal,
Netherlands,
North Caucasus,
North European Russia,
Northwest European Russia,
Norway,
Pakistan,
Poland,
Portugal,
Romania,
Sardegna,
Sicilia,
South European Russia,
Spain,
Sweden,
Switzerland,
Tadzhikistan,
Transcaucasus,
Tunisia,
Turkey-in-Europe,
Turkmenistan,
Tuva,
Ukraine,
Uzbekistan,
West Himalaya,
West Siberia,
Xinjiang,
Yugoslavia
Introduced into:
Alabama,
Alaska,
Alberta,
Aleutian Is.,
Amur,
Antipodean Is.,
Argentina Northeast,
Argentina South,
Arkansas,
Bahamas,
Bermuda,
Bolivia,
Brazil South,
British Columbia,
California,
Cape Provinces,
Chatham Is.,
Chile Central,
Chile South,
China North-Central,
China South-Central,
China Southeast,
Chita,
Colombia,
Colorado,
Connecticut,
Costa Rica,
Cuba,
Delaware,
District of Columbia,
Dominican Republic,
Ecuador,
Eritrea,
Ethiopia,
Falkland Is.,
Florida,
Georgia,
Greenland,
Guatemala,
Hawaii,
Iceland,
Idaho,
Illinois,
Indiana,
Inner Mongolia,
Iowa,
Japan,
Jawa,
Kamchatka,
Kansas,
Kentucky,
Kermadec Is.,
Khabarovsk,
Korea,
Kuril Is.,
KwaZulu-Natal,
Labrador,
Louisiana,
Magadan,
Maine,
Manchuria,
Manitoba,
Maryland,
Massachusetts,
Mexico Southwest,
Michigan,
Minnesota,
Mississippi,
Missouri,
Montana,
Nansei-shoto,
Nebraska,
Nevada,
New Brunswick,
New Hampshire,
New Jersey,
New Mexico,
New South Wales,
New York,
New Zealand North,
New Zealand South,
Newfoundland,
North Carolina,
North Dakota,
Northern Provinces,
Northwest Territories,
Nova Scotia,
Ohio,
Oklahoma,
Ontario,
Oregon,
Pennsylvania,
Peru,
Primorye,
Prince Edward I.,
Puerto Rico,
Queensland,
Québec,
Rhode I.,
Sakhalin,
Saskatchewan,
South Australia,
South Carolina,
South Dakota,
Sri Lanka,
Taiwan,
Tasmania,
Tennessee,
Texas,
Turkey,
Uruguay,
Utah,
Venezuela,
Vermont,
Victoria,
Virginia,
Washington,
West Virginia,
Western Australia,
Wisconsin,
Wyoming,
Yakutskiya,
Yukon