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,
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,
Louisiana,
Maine,
Manitoba,
Maryland,
Massachusetts,
Mexico Northwest,
Mexico Southwest,
Michigan,
Minnesota,
Missouri,
Montana,
Nebraska,
Nepal,
New Brunswick,
New Hampshire,
New Jersey,
New Mexico,
New York,
New Zealand North,
North Carolina,
North Dakota,
Nova Scotia,
Ohio,
Ontario,
Oregon,
Pakistan,
Pennsylvania,
Peru,
Primorye,
Québec,
Rhode I.,
Réunion,
Sakhalin,
Saskatchewan,
South Carolina,
South Dakota,
Tasmania,
Tennessee,
Texas,
Uruguay,
Utah,
Venezuela,
Vermont,
Vietnam,
Virginia,
Washington,
West Siberia,
West Virginia,
Wisconsin,
Wyoming,
Yakutskiya,
Zimbabwe