Doubtfully present in:
Norway
Native to:
Albania,
Algeria,
Altay,
Austria,
Belarus,
Bulgaria,
Central European Rus,
Corse,
Cyprus,
Czechoslovakia,
East European Russia,
France,
Germany,
Greece,
Hungary,
Iran,
Iraq,
Italy,
Kazakhstan,
Krym,
Morocco,
North Caucasus,
Romania,
Sardegna,
Sicilia,
South European Russi,
Spain,
Transcaucasus,
Turkey,
Turkey-in-Europe,
Ukraine,
Xinjiang,
Yugoslavia
Introduced into:
Alabama,
Alaska,
Alberta,
Argentina South,
Arizona,
Arkansas,
Baltic States,
Belgium,
British Columbia,
California,
Colorado,
Connecticut,
Delaware,
District of Columbia,
Finland,
Florida,
Georgia,
Great Britain,
Idaho,
Illinois,
Indiana,
Iowa,
Ireland,
Japan,
Kansas,
Kentucky,
Louisiana,
Maine,
Manitoba,
Maryland,
Massachusetts,
Michigan,
Minnesota,
Mississippi,
Missouri,
Mongolia,
Nebraska,
Netherlands,
Nevada,
New Brunswick,
New Hampshire,
New Jersey,
New Mexico,
New South Wales,
New York,
New Zealand South,
Newfoundland,
North Carolina,
North Dakota,
Northwest European R,
Norway,
Nova Scotia,
Ohio,
Oklahoma,
Ontario,
Oregon,
Pennsylvania,
Prince Edward I.,
Québec,
Rhode I.,
Saskatchewan,
South Carolina,
South Dakota,
Sweden,
Switzerland,
Tasmania,
Tennessee,
Texas,
Utah,
Vermont,
Victoria,
Virginia,
Washington,
West Virginia,
Wisconsin,
Wyoming