Native to:
Afghanistan,
Albania,
Algeria,
Altay,
Austria,
Azores,
Baleares,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Central European Russia,
Corse,
Cyprus,
Czechoslovakia,
Denmark,
East Aegean Is.,
East European Russia,
Egypt,
Finland,
France,
Germany,
Greece,
Hungary,
Iran,
Iraq,
Italy,
Kazakhstan,
Kirgizstan,
Kriti,
Krym,
Lebanon-Syria,
Libya,
Madeira,
Morocco,
Netherlands,
North Caucasus,
North European Russia,
Northwest European Russia,
Norway,
Palestine,
Poland,
Portugal,
Romania,
Sardegna,
Sicilia,
Sinai,
South European Russia,
Spain,
Sweden,
Switzerland,
Tadzhikistan,
Tibet,
Transcaucasus,
Tunisia,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Ukraine,
Uzbekistan,
West Himalaya,
Yugoslavia
Introduced into:
Alabama,
Alberta,
Amsterdam-St.Paul Is.,
Amur,
Angola,
Argentina Northeast,
Argentina Northwest,
Argentina South,
Assam,
Bangladesh,
Brazil South,
British Columbia,
California,
Canary Is.,
Cape Provinces,
Chatham Is.,
Chile Central,
Chile North,
Chita,
Colorado,
Connecticut,
Delaware,
District of Columbia,
Dominican Republic,
Ecuador,
Eritrea,
Great Britain,
Guatemala,
Honduras,
Idaho,
Illinois,
India,
Indiana,
Iowa,
Ireland,
Irkutsk,
Japan,
Kansas,
Kentucky,
Korea,
Lesser Sunda Is.,
Louisiana,
Maine,
Manitoba,
Maryland,
Massachusetts,
Mexico Northwest,
Mexico Southwest,
Michigan,
Minnesota,
Missouri,
Montana,
Nebraska,
Nepal,
New Brunswick,
New Guinea,
New Hampshire,
New Jersey,
New Mexico,
New South Wales,
New York,
New Zealand North,
New Zealand South,
North Carolina,
North Dakota,
Northern Territory,
Nova Scotia,
Ohio,
Ontario,
Oregon,
Pakistan,
Pennsylvania,
Peru,
Primorye,
Queensland,
Québec,
Rhode I.,
Réunion,
Sakhalin,
Saskatchewan,
South Australia,
South Carolina,
South Dakota,
Tasmania,
Tennessee,
Texas,
Uruguay,
Utah,
Venezuela,
Vermont,
Victoria,
Vietnam,
Virginia,
Washington,
West Siberia,
West Virginia,
Wisconsin,
Wyoming,
Yakutskiya,
Zimbabwe