Native to:
Afghanistan,
Albania,
Algeria,
Altay,
Austria,
Azores,
Baleares,
Baltic States,
Bangladesh,
Belarus,
Belgium,
Bulgaria,
Canary Is.,
Cape Verde,
Central European Rus,
China North-Central,
China South-Central,
China Southeast,
Corse,
Czechoslovakia,
Denmark,
East European Russia,
East Himalaya,
Egypt,
Finland,
France,
Germany,
Gulf States,
Hungary,
India,
Inner Mongolia,
Iran,
Iraq,
Irkutsk,
Italy,
Kazakhstan,
Kirgizstan,
Krasnoyarsk,
Krym,
Kuwait,
Lebanon-Syria,
Libya,
Madeira,
Manchuria,
Mongolia,
Morocco,
Nepal,
Netherlands,
North Caucasus,
North European Russi,
Northwest European R,
Norway,
Oman,
Pakistan,
Palestine,
Poland,
Portugal,
Qinghai,
Romania,
Sardegna,
Saudi Arabia,
Sicilia,
Sinai,
South European Russi,
Spain,
Sri Lanka,
Sweden,
Switzerland,
Tadzhikistan,
Taiwan,
Tibet,
Transcaucasus,
Tunisia,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Tuva,
Ukraine,
Uzbekistan,
West Himalaya,
West Siberia,
Xinjiang,
Yemen,
Yugoslavia
Extinct in:
Jawa
Introduced into:
Alabama,
Alaska,
Alberta,
Amur,
Argentina Northeast,
Argentina Northwest,
Argentina South,
Arizona,
Bermuda,
Bolivia,
Brazil South,
Brazil Southeast,
British Columbia,
California,
Cape Provinces,
Chatham Is.,
Chile Central,
Chile South,
Colombia,
Colorado,
Connecticut,
Cyprus,
Delaware,
Desventurados Is.,
Easter Is.,
Ecuador,
Eritrea,
Ethiopia,
Florida,
Free State,
Great Britain,
Guatemala,
Hawaii,
Honduras,
Illinois,
Indiana,
Iowa,
Ireland,
Jamaica,
Japan,
Jawa,
Kamchatka,
Kansas,
Kentucky,
Kenya,
Kermadec Is.,
Khabarovsk,
Korea,
Kuril Is.,
Louisiana,
Maine,
Manitoba,
Marquesas,
Maryland,
Massachusetts,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
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 Dakota,
Northern Provinces,
Northern Territory,
Northwest Territorie,
Nova Scotia,
Ohio,
Oklahoma,
Ontario,
Oregon,
Pennsylvania,
Peru,
Philippines,
Primorye,
Prince Edward I.,
Queensland,
Québec,
Sakhalin,
Saskatchewan,
Society Is.,
South Australia,
South Dakota,
South Georgia,
Tanzania,
Tasmania,
Tennessee,
Texas,
Trinidad-Tobago,
Uruguay,
Utah,
Venezuela,
Vermont,
Victoria,
Virginia,
Washington,
West Virginia,
Western Australia,
Wisconsin,
Wyoming,
Yakutskiya,
Yukon,
Zimbabwe