Native to:
Albania,
Algeria,
Austria,
Baltic States,
Belgium,
Botswana,
Canary Is.,
Cape Provinces,
Djibouti,
Egypt,
Eritrea,
Ethiopia,
France,
Free State,
Germany,
Gulf States,
Italy,
Kenya,
KwaZulu-Natal,
Lesotho,
Libya,
Morocco,
Namibia,
Netherlands,
Northern Provinces,
Northwest European R,
Oman,
Portugal,
Rwanda,
Saudi Arabia,
Sicilia,
Socotra,
Somalia,
Spain,
Sudan,
Sweden,
Switzerland,
Tanzania,
Tunisia,
Uganda,
Yemen,
Yugoslavia,
Zaïre,
Zimbabwe
Introduced into:
Alabama,
Alberta,
Bahamas,
Belarus,
British Columbia,
California,
Central European Rus,
Connecticut,
Czechoslovakia,
Denmark,
East European Russia,
Ecuador,
Florida,
Great Britain,
Greece,
Hungary,
Idaho,
Illinois,
Indiana,
Iowa,
Ireland,
Japan,
Kansas,
Kentucky,
Korea,
Krym,
Maine,
Manitoba,
Maryland,
Massachusetts,
Mauritius,
Michigan,
Minnesota,
Missouri,
Montana,
New Brunswick,
New Hampshire,
New South Wales,
New York,
Newfoundland,
North Dakota,
Northwest Territorie,
Norway,
Nova Scotia,
Ohio,
Ontario,
Oregon,
Pennsylvania,
Poland,
Primorye,
Prince Edward I.,
Queensland,
Québec,
Romania,
Saskatchewan,
South Dakota,
South European Russi,
Sri Lanka,
Texas,
Ukraine,
Vermont,
Washington,
West Siberia,
West Virginia,
Wisconsin,
Wyoming