Native to:
Afghanistan,
Alabama,
Albania,
Algeria,
Altay,
Amur,
Angola,
Argentina Northeast,
Argentina Northwest,
Argentina South,
Arkansas,
Assam,
Austria,
Azores,
Bahamas,
Baleares,
Baltic States,
Bangladesh,
Belarus,
Belgium,
Bolivia,
Borneo,
Brazil South,
British Columbia,
Bulgaria,
Burundi,
California,
Cameroon,
Canary Is.,
Central European Rus,
Chile Central,
Chile North,
Chile South,
China North-Central,
China South-Central,
China Southeast,
Colombia,
Corse,
Costa Rica,
Cuba,
Cyprus,
Czechoslovakia,
Denmark,
Djibouti,
Dominican Republic,
East Aegean Is.,
East European Russia,
East Himalaya,
Ecuador,
Eritrea,
Ethiopia,
Finland,
Florida,
France,
Georgia,
Germany,
Great Britain,
Greece,
Guatemala,
Gulf of Guinea Is.,
Haiti,
Honduras,
Hungary,
Illinois,
India,
Indiana,
Iran,
Iraq,
Ireland,
Italy,
Jamaica,
Japan,
Jawa,
Kansas,
Kazakhstan,
Kentucky,
Kenya,
Khabarovsk,
Kirgizstan,
Korea,
Krasnoyarsk,
Kriti,
Krym,
Kuril Is.,
Laos,
Lebanon-Syria,
Lesser Sunda Is.,
Libya,
Louisiana,
Madeira,
Malawi,
Malaya,
Maluku,
Manchuria,
Mexican Pacific Is.,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Michigan,
Minnesota,
Mississippi,
Missouri,
Montana,
Morocco,
Mozambique,
Myanmar,
Nansei-shoto,
Nepal,
Netherlands,
New Guinea,
New Mexico,
New York,
Nigeria,
North Carolina,
North Caucasus,
North European Russi,
Northwest European R,
Norway,
Ohio,
Oklahoma,
Ontario,
Pakistan,
Palestine,
Paraguay,
Pennsylvania,
Peru,
Philippines,
Poland,
Portugal,
Primorye,
Puerto Rico,
Romania,
Rwanda,
Sakhalin,
Sardegna,
Saudi Arabia,
Sicilia,
Somalia,
South Carolina,
South European Russi,
Spain,
Sri Lanka,
Sudan,
Sulawesi,
Sumatera,
Sweden,
Switzerland,
Tadzhikistan,
Taiwan,
Tanzania,
Tennessee,
Texas,
Thailand,
Tibet,
Transcaucasus,
Tunisia,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Uganda,
Ukraine,
Uzbekistan,
Venezuela,
Vietnam,
Virginia,
West Himalaya,
West Siberia,
West Virginia,
Wisconsin,
Xinjiang,
Yakutskiya,
Yemen,
Yugoslavia,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Arizona,
Bermuda,
Colorado,
Connecticut,
Delaware,
District of Columbia,
Iowa,
Magadan,
Maine,
Maryland,
Massachusetts,
New Hampshire,
New Jersey,
New Zealand North,
New Zealand South,
Newfoundland,
North Dakota,
Oregon,
Rhode I.,
Trinidad-Tobago,
Utah,
Vermont,
Washington