Native to:
Afghanistan,
Albania,
Altay,
Assam,
Austria,
Baleares,
Bangladesh,
Belgium,
Bulgaria,
Buryatiya,
Central European Russia,
Corse,
Czechoslovakia,
Denmark,
East European Russia,
East Himalaya,
Egypt,
France,
Germany,
Greece,
Gulf States,
Hungary,
India,
Iran,
Iraq,
Irkutsk,
Italy,
Kamchatka,
Kazakhstan,
Kirgizstan,
Krasnoyarsk,
Kriti,
Krym,
Kuril Is.,
Lebanon-Syria,
Magadan,
Mongolia,
Nepal,
Netherlands,
North Caucasus,
North European Russia,
Northwest European Russia,
Oman,
Pakistan,
Palestine,
Poland,
Portugal,
Primorye,
Romania,
Sakhalin,
Sardegna,
Saudi Arabia,
Sicilia,
South European Russia,
Spain,
Sri Lanka,
Switzerland,
Tadzhikistan,
Transcaucasus,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Tuva,
Ukraine,
Uzbekistan,
West Himalaya,
West Siberia,
Yakutskiya,
Yemen,
Yugoslavia
Introduced into:
Alabama,
Algeria,
Amsterdam-St.Paul Is.,
Angola,
Argentina Northeast,
Argentina South,
Arkansas,
Azores,
Baltic States,
Belarus,
Bermuda,
British Columbia,
California,
Canary Is.,
Cape Provinces,
Chatham Is.,
Chile Central,
China North-Central,
China South-Central,
China Southeast,
Colombia,
Connecticut,
Cuba,
Cyprus,
Delaware,
Dominican Republic,
Ecuador,
Falkland Is.,
Finland,
Florida,
Free State,
Føroyar,
Georgia,
Great Britain,
Greenland,
Haiti,
Iceland,
Idaho,
Illinois,
Indiana,
Inner Mongolia,
Iowa,
Jamaica,
Kentucky,
Kenya,
Kermadec Is.,
KwaZulu-Natal,
Libya,
Louisiana,
Madeira,
Maine,
Manchuria,
Maryland,
Massachusetts,
Mexico Central,
Mexico Northeast,
Mexico Southwest,
Minnesota,
Mississippi,
Morocco,
Myanmar,
Nevada,
New Brunswick,
New Hampshire,
New Jersey,
New South Wales,
New York,
New Zealand North,
New Zealand South,
Newfoundland,
North Carolina,
Northern Provinces,
Norway,
Nova Scotia,
Ohio,
Ontario,
Oregon,
Pennsylvania,
Queensland,
Québec,
Rhode I.,
Rwanda,
South Australia,
South Carolina,
St.Helena,
Svalbard,
Sweden,
Taiwan,
Tasmania,
Tennessee,
Texas,
Tunisia,
Uruguay,
Venezuela,
Vermont,
Victoria,
Vietnam,
Virginia,
Washington,
Western Australia,
Wisconsin,
Xinjiang