Native to:
Afghanistan,
Albania,
Altay,
Amur,
Assam,
Austria,
Baltic States,
Bangladesh,
Belarus,
Belgium,
Borneo,
Bulgaria,
Buryatiya,
Cambodia,
Central European Russia,
China North-Central,
China South-Central,
China Southeast,
Chita,
Czechoslovakia,
Denmark,
East European Russia,
East Himalaya,
Finland,
France,
Germany,
Greece,
Hungary,
India,
Inner Mongolia,
Iran,
Irkutsk,
Italy,
Japan,
Jawa,
Kazakhstan,
Khabarovsk,
Kirgizstan,
Korea,
Krasnoyarsk,
Krym,
Laos,
Lesser Sunda Is.,
Malaya,
Maluku,
Manchuria,
Mongolia,
Myanmar,
Nansei-shoto,
Nepal,
Netherlands,
North Caucasus,
North European Russia,
Northwest European Russia,
Norway,
Pakistan,
Philippines,
Poland,
Primorye,
Qinghai,
Queensland,
Romania,
South European Russia,
Sulawesi,
Sumatera,
Sweden,
Switzerland,
Tadzhikistan,
Taiwan,
Thailand,
Tibet,
Transcaucasus,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Tuva,
Ukraine,
Uzbekistan,
Vietnam,
West Himalaya,
West Siberia,
Xinjiang,
Yakutskiya,
Yugoslavia
Introduced into:
Alabama,
Alberta,
Argentina Northeast,
Argentina Northwest,
Arkansas,
Ascension,
Bahamas,
Belize,
Bermuda,
Bolivia,
Brazil South,
Brazil Southeast,
British Columbia,
Cape Verde,
Caroline Is.,
Colombia,
Colorado,
Connecticut,
Cook Is.,
Costa Rica,
Cuba,
Delaware,
District of Columbia,
Dominican Republic,
El Salvador,
Florida,
French Guiana,
Georgia,
Great Britain,
Guatemala,
Guyana,
Haiti,
Hawaii,
Honduras,
Idaho,
Illinois,
Indiana,
Iowa,
Jamaica,
Kansas,
Kentucky,
Leeward Is.,
Louisiana,
Magadan,
Maine,
Manitoba,
Maryland,
Massachusetts,
Mexico Central,
Mexico Northeast,
Mexico Southeast,
Mexico Southwest,
Michigan,
Minnesota,
Mississippi,
Missouri,
Montana,
Nebraska,
New Caledonia,
New Hampshire,
New Jersey,
New Mexico,
New York,
New Zealand North,
New Zealand South,
Nicaragua,
Niue,
North Carolina,
North Dakota,
Nova Scotia,
Ohio,
Oklahoma,
Ontario,
Oregon,
Panamá,
Paraguay,
Pennsylvania,
Peru,
Prince Edward I.,
Puerto Rico,
Québec,
Rhode I.,
Samoa,
Saskatchewan,
Society Is.,
South Carolina,
South Dakota,
Spain,
St.Helena,
Suriname,
Tennessee,
Texas,
Tonga,
Trinidad-Tobago,
Tubuai Is.,
Vanuatu,
Venezuela,
Venezuelan Antilles,
Vermont,
Virginia,
Washington,
West Virginia,
Windward Is.,
Wisconsin,
Wyoming