Native to:
Afghanistan,
Alabama,
Albania,
Algeria,
Altay,
Argentina Northeast,
Argentina Northwest,
Argentina South,
Arizona,
Arkansas,
Assam,
Austria,
Azores,
Baltic States,
Belarus,
Belgium,
Bolivia,
Borneo,
Bulgaria,
Central European Rus,
Chatham Is.,
Chile South,
China South-Central,
Colombia,
Corse,
Costa Rica,
Czechoslovakia,
Delaware,
Denmark,
District of Columbia,
East Aegean Is.,
East European Russia,
East Himalaya,
Ecuador,
Falkland Is.,
Florida,
France,
Georgia,
Germany,
Great Britain,
Greece,
Guatemala,
Hungary,
Illinois,
India,
Indiana,
Iowa,
Iran,
Iraq,
Ireland,
Irkutsk,
Italy,
Kansas,
Kazakhstan,
Kentucky,
Kirgizstan,
Krasnoyarsk,
Kriti,
Krym,
Lebanon-Syria,
Louisiana,
Maryland,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Southwest,
Michigan,
Mississippi,
Missouri,
Mongolia,
Morocco,
Nebraska,
Nepal,
Netherlands,
New Guinea,
New Jersey,
New South Wales,
New York,
New Zealand North,
New Zealand South,
North Carolina,
North Caucasus,
North European Russi,
Northwest European R,
Ohio,
Oklahoma,
Ontario,
Pakistan,
Palestine,
Pennsylvania,
Peru,
Poland,
Portugal,
Rhode I.,
Romania,
Sardegna,
Sicilia,
South Australia,
South Carolina,
South European Russi,
Spain,
Sweden,
Switzerland,
Tadzhikistan,
Taiwan,
Tasmania,
Tennessee,
Texas,
Tibet,
Transcaucasus,
Tunisia,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Ukraine,
Uzbekistan,
Victoria,
Virginia,
West Himalaya,
West Siberia,
West Virginia,
Wisconsin,
Xinjiang,
Yugoslavia
Introduced into:
British Columbia,
Finland,
Korea,
Norway,
Oregon,
Québec,
Washington