Doubtfully present in:
Sicilia
Native to:
Albania,
Altay,
Austria,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Central European Russia,
Corse,
Czechoslovakia,
East European Russia,
France,
Germany,
Great Britain,
Greece,
Hungary,
Italy,
Krasnoyarsk,
Krym,
Lebanon-Syria,
Mongolia,
Netherlands,
North Caucasus,
Poland,
Romania,
Sardegna,
South European Russia,
Spain,
Switzerland,
Transcaucasus,
Turkey,
Turkey-in-Europe,
Ukraine,
West Siberia,
Yugoslavia
Introduced into:
Alaska,
Alberta,
Aleutian Is.,
Algeria,
Amur,
Argentina Northeast,
Argentina Northwest,
Argentina South,
Arizona,
Arkansas,
Bolivia,
British Columbia,
Buryatiya,
California,
Cape Provinces,
Chile Central,
Chile South,
Colorado,
Connecticut,
Cuba,
Delaware,
Denmark,
District of Columbia,
Dominican Republic,
Ecuador,
Finland,
Free State,
Haiti,
Idaho,
Illinois,
Indiana,
Iowa,
Ireland,
Irkutsk,
Jamaica,
Kansas,
Kazakhstan,
Kentucky,
Khabarovsk,
Kirgizstan,
KwaZulu-Natal,
Labrador,
Laos,
Louisiana,
Maine,
Manitoba,
Marianas,
Maryland,
Massachusetts,
Michigan,
Minnesota,
Missouri,
Montana,
Morocco,
Myanmar,
Nebraska,
Nevada,
New Brunswick,
New Hampshire,
New Jersey,
New Mexico,
New York,
Newfoundland,
North Carolina,
North Dakota,
North European Russia,
Northern Provinces,
Northwest Territories,
Norway,
Nova Scotia,
Ohio,
Oklahoma,
Ontario,
Oregon,
Pennsylvania,
Peru,
Portugal,
Primorye,
Prince Edward I.,
Québec,
Rhode I.,
Saskatchewan,
South Carolina,
South Dakota,
Sweden,
Tadzhikistan,
Tasmania,
Tennessee,
Texas,
Uruguay,
Utah,
Uzbekistan,
Vermont,
Virginia,
Washington,
West Virginia,
Wisconsin,
Wyoming,
Yakutskiya,
Yukon