Native to:
Afghanistan,
Alabama,
Albania,
Algeria,
Altay,
Argentina Northeast,
Argentina Northwest,
Argentina South,
Arizona,
Arkansas,
Austria,
Baleares,
Baltic States,
Belgium,
Belize,
Bolivia,
Brazil North,
Brazil Northeast,
Brazil South,
Brazil Southeast,
Brazil West-Central,
Bulgaria,
California,
Central European Russia,
Chile Central,
Chile North,
Chile South,
Colombia,
Connecticut,
Corse,
Costa Rica,
Cuba,
Cyprus,
Czechoslovakia,
Delaware,
Denmark,
District of Columbia,
Dominican Republic,
East Aegean Is.,
East European Russia,
Ecuador,
Egypt,
El Salvador,
Florida,
France,
French Guiana,
Georgia,
Germany,
Great Britain,
Greece,
Guatemala,
Gulf of Guinea Is.,
Guyana,
Haiti,
Honduras,
Hungary,
Idaho,
Illinois,
Indiana,
Iowa,
Iran,
Iraq,
Ireland,
Italy,
Jamaica,
Jawa,
Juan Fernández Is.,
Kansas,
Kazakhstan,
Kentucky,
Kirgizstan,
Kriti,
Krym,
Lebanon-Syria,
Leeward Is.,
Libya,
Louisiana,
Maluku,
Maryland,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Michigan,
Minnesota,
Mississippi,
Missouri,
Mongolia,
Montana,
Morocco,
Nebraska,
Netherlands,
Nevada,
New Jersey,
New Mexico,
New South Wales,
New Zealand North,
New Zealand South,
Nicaragua,
North Carolina,
North Caucasus,
Northwest European Russia,
Norway,
Ohio,
Oklahoma,
Oregon,
Pakistan,
Palestine,
Panamá,
Paraguay,
Pennsylvania,
Peru,
Poland,
Portugal,
Puerto Rico,
Queensland,
Romania,
Sardegna,
Saudi Arabia,
Sicilia,
Sinai,
South Australia,
South Carolina,
South European Russia,
Southwest Caribbean,
Spain,
Sumatera,
Suriname,
Sweden,
Switzerland,
Tadzhikistan,
Tasmania,
Tennessee,
Texas,
Transcaucasus,
Trinidad-Tobago,
Tunisia,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Ukraine,
Uruguay,
Uzbekistan,
Venezuela,
Victoria,
Virginia,
Washington,
West Himalaya,
West Siberia,
Western Australia,
Windward Is.,
Wisconsin,
Xinjiang,
Yugoslavia
Introduced into:
Alberta,
Andaman Is.,
Angola,
Assam,
Bangladesh,
Borneo,
British Columbia,
Cambodia,
Cameroon,
Canary Is.,
Central American Pacific Is.,
China South-Central,
China Southeast,
Colorado,
East Himalaya,
Fiji,
Finland,
Ghana,
Guinea,
Guinea-Bissau,
Hawaii,
India,
Ivory Coast,
Kenya,
Laos,
Liberia,
Malaya,
Massachusetts,
Myanmar,
Nepal,
New York,
Nicobar Is.,
Ontario,
Primorye,
Québec,
Saskatchewan,
Sierra Leone,
South Dakota,
Sri Lanka,
Thailand,
Uganda,
Vanuatu,
Vermont,
Vietnam,
Yakutskiya,
Zaïre