Native to:
Albania,
Bulgaria,
East Aegean Is.,
Greece,
Haiti,
Iran,
Iraq,
Italy,
Kriti,
Krym,
Lebanon-Syria,
North Caucasus,
Palestine,
Romania,
Sicilia,
South European Russia,
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 Russia,
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 Russia,
Northern Provinces,
Northwest European Russia,
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