Doubtfully present in:
Tanzania,
Uganda,
Zaïre
Native to:
Afghanistan,
Albania,
Algeria,
Altay,
Assam,
Austria,
Azores,
Baleares,
Baltic States,
Bangladesh,
Belarus,
Belgium,
Bulgaria,
Buryatiya,
Canary Is.,
Central European Rus,
China South-Central,
China Southeast,
Corse,
Cyprus,
Czechoslovakia,
Denmark,
East Aegean Is.,
East European Russia,
East Himalaya,
Egypt,
Eritrea,
Ethiopia,
Finland,
France,
Germany,
Great Britain,
Greece,
Gulf States,
Hungary,
India,
Iran,
Iraq,
Ireland,
Irkutsk,
Italy,
Japan,
Kamchatka,
Kazakhstan,
Kenya,
Khabarovsk,
Kirgizstan,
Korea,
Krasnoyarsk,
Kriti,
Krym,
Kuril Is.,
Lebanon-Syria,
Libya,
Madeira,
Magadan,
Mongolia,
Morocco,
Nansei-shoto,
Nepal,
Netherlands,
North Caucasus,
North European Russi,
Northwest European R,
Norway,
Oman,
Pakistan,
Palestine,
Poland,
Portugal,
Primorye,
Romania,
Sakhalin,
Sardegna,
Saudi Arabia,
Sicilia,
Sinai,
South European Russi,
Spain,
Sri Lanka,
Sudan,
Sweden,
Switzerland,
Tadzhikistan,
Taiwan,
Tibet,
Transcaucasus,
Tunisia,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Tuva,
Ukraine,
Uzbekistan,
West Himalaya,
West Siberia,
Western Sahara,
Xinjiang,
Yakutskiya,
Yemen,
Yugoslavia
Introduced into:
Alabama,
Amsterdam-St.Paul Is,
Angola,
Argentina Northeast,
Argentina South,
Arkansas,
Bermuda,
Brazil South,
California,
Cape Provinces,
Chatham Is.,
Chile Central,
Chile South,
China North-Central,
Colombia,
Colorado,
Connecticut,
Cuba,
Delaware,
Dominican Republic,
Ecuador,
Falkland Is.,
Florida,
Free State,
Føroyar,
Georgia,
Haiti,
Hawaii,
Iceland,
Idaho,
Illinois,
Inner Mongolia,
Jamaica,
Jawa,
Kentucky,
Kermadec Is.,
KwaZulu-Natal,
Louisiana,
Manchuria,
Maryland,
Massachusetts,
Mauritius,
Mexico Southwest,
Michigan,
Minnesota,
Mississippi,
Myanmar,
Nevada,
New Caledonia,
New Guinea,
New Mexico,
New South Wales,
New York,
New Zealand North,
New Zealand South,
Newfoundland,
Norfolk Is.,
North Carolina,
Northern Provinces,
Oregon,
Pennsylvania,
Queensland,
Rhode I.,
Rodrigues,
Rwanda,
Réunion,
South Australia,
South Carolina,
St.Helena,
Svalbard,
Tasmania,
Tennessee,
Texas,
Uruguay,
Venezuela,
Vermont,
Victoria,
Vietnam,
Virginia,
Washington,
Western Australia,
Wisconsin,
Zimbabwe