Native to:
Albania,
Bulgaria,
East Aegean Is.,
Greece,
Haiti,
Iran,
Iraq,
Italy,
Kriti,
Krym,
Lebanon-Syria,
North Caucasus,
Palestine,
Romania,
Sicilia,
South European Russi,
Transcaucasus,
Turkey,
Turkey-in-Europe,
Ukraine,
Yugoslavia
Introduced into:
Afghanistan,
Alabama,
Alaska,
Algeria,
Altay,
Amur,
Argentina Northeast,
Argentina South,
Arkansas,
Austria,
Baleares,
Baltic States,
Belarus,
Belgium,
Brazil South,
Buryatiya,
California,
Canary Is.,
Cape Provinces,
Central European Rus,
Chile Central,
Chita,
Colorado,
Connecticut,
Corse,
Czechoslovakia,
Delaware,
Denmark,
District of Columbia,
East European Russia,
Finland,
Florida,
France,
Føroyar,
Georgia,
Germany,
Great Britain,
Hungary,
Iceland,
Idaho,
Illinois,
Indiana,
Inner Mongolia,
Iowa,
Ireland,
Irkutsk,
Japan,
Kansas,
Kazakhstan,
Kentucky,
Kenya,
Kirgizstan,
Korea,
Krasnoyarsk,
Libya,
Louisiana,
Madeira,
Maine,
Manchuria,
Manitoba,
Maryland,
Massachusetts,
Michigan,
Minnesota,
Mississippi,
Missouri,
Montana,
Morocco,
Nebraska,
Netherlands,
New Brunswick,
New Hampshire,
New Jersey,
New Mexico,
New York,
North Carolina,
North Dakota,
North European Russi,
Northern Provinces,
Northwest European R,
Norway,
Ohio,
Oklahoma,
Ontario,
Oregon,
Pennsylvania,
Poland,
Portugal,
Primorye,
Prince Edward I.,
Québec,
Rhode I.,
Sardegna,
Saskatchewan,
South Carolina,
South Dakota,
Spain,
Sweden,
Switzerland,
Tadzhikistan,
Tasmania,
Tennessee,
Texas,
Tunisia,
Turkmenistan,
Tuva,
Uruguay,
Uzbekistan,
Vermont,
Virginia,
Washington,
West Siberia,
West Virginia,
Wisconsin,
Wyoming,
Xinjiang,
Yakutskiya