Native to:
Afghanistan,
Albania,
Algeria,
Altay,
Austria,
Azores,
Baleares,
Baltic States,
Belarus,
Belgium,
Benin,
Bulgaria,
Burkina,
Burundi,
Cameroon,
Canary Is.,
Cape Verde,
Central African Repu,
Central European Rus,
Chad,
Corse,
Cyprus,
Czechoslovakia,
Denmark,
East Aegean Is.,
East European Russia,
Egypt,
Eritrea,
Ethiopia,
Finland,
France,
Gambia,
Germany,
Ghana,
Great Britain,
Greece,
Guinea,
Guinea-Bissau,
Gulf States,
Hungary,
India,
Inner Mongolia,
Iran,
Iraq,
Ireland,
Irkutsk,
Italy,
Ivory Coast,
Kazakhstan,
Kenya,
Kirgizstan,
Krasnoyarsk,
Kriti,
Krym,
Kuwait,
Lebanon-Syria,
Libya,
Madeira,
Malawi,
Mali,
Mauritania,
Mongolia,
Morocco,
Nepal,
Netherlands,
Niger,
Nigeria,
North Caucasus,
North European Russi,
Northwest European R,
Norway,
Oman,
Pakistan,
Palestine,
Poland,
Portugal,
Romania,
Sardegna,
Saudi Arabia,
Selvagens,
Senegal,
Sicilia,
Sinai,
South European Russi,
Spain,
Sudan,
Sweden,
Switzerland,
Tadzhikistan,
Tanzania,
Togo,
Transcaucasus,
Tunisia,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Tuva,
Uganda,
Ukraine,
Uzbekistan,
West Himalaya,
West Siberia,
Western Sahara,
Xinjiang,
Yakutskiya,
Yemen,
Yugoslavia,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Alabama,
Alaska,
Alberta,
Amur,
Arizona,
Arkansas,
Bolivia,
Brazil South,
British Columbia,
Buryatiya,
California,
Cape Provinces,
Chita,
Colombia,
Colorado,
Connecticut,
Delaware,
District of Columbia,
East Himalaya,
Ecuador,
El Salvador,
Falkland Is.,
Florida,
Free State,
Føroyar,
Georgia,
Greenland,
Guatemala,
Hawaii,
Honduras,
Idaho,
Illinois,
Indiana,
Iowa,
Jawa,
Juan Fernández Is.,
Kamchatka,
Kansas,
Kentucky,
Khabarovsk,
Korea,
Kuril Is.,
KwaZulu-Natal,
Louisiana,
Magadan,
Maine,
Manitoba,
Maryland,
Massachusetts,
Mexico Northwest,
Mexico Southeast,
Michigan,
Minnesota,
Mississippi,
Missouri,
Montana,
Mozambique,
Nebraska,
Nevada,
New Brunswick,
New Caledonia,
New Hampshire,
New Jersey,
New Mexico,
New South Wales,
New York,
Newfoundland,
Norfolk Is.,
North Carolina,
North Dakota,
Northern Provinces,
Nova Scotia,
Ohio,
Oklahoma,
Ontario,
Oregon,
Pennsylvania,
Peru,
Primorye,
Prince Edward I.,
Queensland,
Québec,
Rhode I.,
Sakhalin,
Saskatchewan,
South Australia,
South Carolina,
South Dakota,
Tasmania,
Tennessee,
Texas,
Uruguay,
Utah,
Venezuela,
Vermont,
Victoria,
Vietnam,
Virginia,
Washington,
West Virginia,
Western Australia,
Wisconsin,
Wyoming,
Yukon