Native to:
Afghanistan,
Albania,
Algeria,
Altay,
Amur,
Angola,
Austria,
Baleares,
Baltic States,
Belarus,
Belgium,
Botswana,
Bulgaria,
Buryatiya,
Canary Is.,
Cape Provinces,
Cape Verde,
Central European Rus,
Chad,
China North-Central,
China South-Central,
China Southeast,
Chita,
Congo,
Corse,
Cyprus,
Czechoslovakia,
Denmark,
East Aegean Is.,
East European Russia,
Egypt,
Finland,
France,
Free State,
Gambia,
Georgia,
Germany,
Great Britain,
Greece,
Gulf of Guinea Is.,
Gulf States,
Hainan,
Hungary,
India,
Inner Mongolia,
Iran,
Iraq,
Ireland,
Irkutsk,
Italy,
Japan,
Kamchatka,
Kazakhstan,
Kentucky,
Khabarovsk,
Kirgizstan,
Korea,
Krasnoyarsk,
Kriti,
Krym,
Kuril Is.,
Kuwait,
KwaZulu-Natal,
Lebanon-Syria,
Lesotho,
Libya,
Madeira,
Malaya,
Manchuria,
Mauritania,
Missouri,
Mongolia,
Morocco,
Mozambique,
Namibia,
Nansei-shoto,
Nepal,
Netherlands,
New South Wales,
Norfolk Is.,
North Caucasus,
North European Russi,
Northern Provinces,
Northern Territory,
Northwest European R,
Norway,
Oman,
Pakistan,
Palestine,
Poland,
Portugal,
Primorye,
Qinghai,
Queensland,
Romania,
Sakhalin,
Sardegna,
Saudi Arabia,
Sicilia,
Sinai,
South Australia,
South European Russi,
Spain,
Swaziland,
Sweden,
Switzerland,
Tadzhikistan,
Tasmania,
Tennessee,
Tibet,
Transcaucasus,
Tunisia,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Tuva,
Ukraine,
Uzbekistan,
Victoria,
Vietnam,
West Himalaya,
West Siberia,
West Virginia,
Western Australia,
Western Sahara,
Xinjiang,
Yakutskiya,
Yemen,
Yugoslavia,
Zambia,
Zimbabwe
Introduced into:
Alberta,
Bahamas,
Brazil Southeast,
British Columbia,
California,
Connecticut,
Cook Is.,
Delaware,
District of Columbia,
Dominican Republic,
Florida,
Haiti,
Hawaii,
Idaho,
Illinois,
Indiana,
Iowa,
Leeward Is.,
Louisiana,
Maine,
Manitoba,
Maryland,
Massachusetts,
Michigan,
Minnesota,
Nevada,
New Brunswick,
New Caledonia,
New Hampshire,
New Jersey,
New York,
New Zealand North,
New Zealand South,
Newfoundland,
North Carolina,
North Dakota,
Nova Scotia,
Ohio,
Ontario,
Oregon,
Pennsylvania,
Prince Edward I.,
Puerto Rico,
Québec,
Rhode I.,
Saskatchewan,
South Carolina,
Texas,
Trinidad-Tobago,
Utah,
Vermont,
Virginia,
Washington,
Windward Is.,
Wisconsin,
Wyoming