Native to:
Alabama,
Algeria,
Altay,
Argentina Northeast,
Argentina Northwest,
Arkansas,
Austria,
Baltic States,
Bangladesh,
Belarus,
Belgium,
Benin,
Bolivia,
Brazil North,
Bulgaria,
Cameroon,
Central African Repu,
Central European Rus,
Chile Central,
Chile South,
China North-Central,
China South-Central,
China Southeast,
Colombia,
Congo,
Costa Rica,
Cuba,
Czechoslovakia,
Delaware,
Denmark,
Dominican Republic,
East European Russia,
Ecuador,
El Salvador,
Finland,
Florida,
France,
Gabon,
Georgia,
Germany,
Great Britain,
Greece,
Guatemala,
Hainan,
Haiti,
Hungary,
Illinois,
India,
Ireland,
Irkutsk,
Italy,
Japan,
Jawa,
Kazakhstan,
Kentucky,
Korea,
Krasnoyarsk,
Krym,
Leeward Is.,
Louisiana,
Manchuria,
Maryland,
Mexico Central,
Mexico Southeast,
Mexico Southwest,
Mississippi,
Missouri,
Morocco,
Myanmar,
Nansei-shoto,
Netherlands,
New Guinea,
New York,
Nicaragua,
North Carolina,
North Caucasus,
North European Russi,
Northwest European R,
Norway,
Oklahoma,
Palestine,
Panamá,
Paraguay,
Peru,
Philippines,
Poland,
Portugal,
Primorye,
Puerto Rico,
Romania,
South Carolina,
South European Russi,
Spain,
Sulawesi,
Sweden,
Switzerland,
Taiwan,
Tennessee,
Texas,
Thailand,
Transcaucasus,
Trinidad-Tobago,
Turkey,
Turkey-in-Europe,
Ukraine,
Uruguay,
Venezuela,
Vietnam,
Virginia,
West Himalaya,
West Siberia,
Windward Is.,
Yugoslavia,
Zaïre
Introduced into:
California,
Michigan,
New Jersey,
New South Wales,
Ontario,
Queensland,
Québec,
Vermont,
Western Australia,
Zambia,
Zimbabwe