Native to:
Afghanistan,
Alabama,
Albania,
Algeria,
Altay,
Amur,
Argentina Northeast,
Argentina Northwest,
Arizona,
Arkansas,
Austria,
Azores,
Baleares,
Baltic States,
Belarus,
Belgium,
Bolivia,
Brazil South,
Bulgaria,
Buryatiya,
California,
Canary Is.,
Central European Rus,
Chad,
Chile Central,
Chile North,
China North-Central,
China South-Central,
Chita,
Colombia,
Colorado,
Connecticut,
Corse,
Cuba,
Cyprus,
Czechoslovakia,
Delaware,
Denmark,
District of Columbia,
Dominican Republic,
East Aegean Is.,
East European Russia,
Ecuador,
Egypt,
Ethiopia,
Finland,
Florida,
France,
Georgia,
Germany,
Great Britain,
Greece,
Guatemala,
Haiti,
Hawaii,
Hungary,
Illinois,
Indiana,
Inner Mongolia,
Iowa,
Iran,
Iraq,
Ireland,
Irkutsk,
Italy,
Japan,
Juan Fernández Is.,
Kansas,
Kazakhstan,
Kentucky,
Kenya,
Khabarovsk,
Kirgizstan,
Korea,
Krasnoyarsk,
Kriti,
Krym,
Kuril Is.,
Lebanon-Syria,
Libya,
Louisiana,
Madeira,
Maine,
Malawi,
Manchuria,
Maryland,
Massachusetts,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Michigan,
Minnesota,
Mississippi,
Missouri,
Mongolia,
Morocco,
Nebraska,
Netherlands,
Nevada,
New Hampshire,
New Jersey,
New Mexico,
New South Wales,
New York,
North Carolina,
North Caucasus,
North Dakota,
North European Russi,
Northern Territory,
Northwest European R,
Norway,
Ohio,
Oklahoma,
Ontario,
Pakistan,
Palestine,
Pennsylvania,
Peru,
Poland,
Portugal,
Primorye,
Qinghai,
Queensland,
Rhode I.,
Romania,
Rwanda,
Sakhalin,
Sardegna,
Saudi Arabia,
Senegal,
Sicilia,
Sinai,
Socotra,
Somalia,
South Australia,
South Carolina,
South Dakota,
South European Russi,
Spain,
Sudan,
Sweden,
Switzerland,
Tadzhikistan,
Tanzania,
Tasmania,
Tennessee,
Texas,
Tibet,
Transcaucasus,
Tunisia,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Tuva,
Uganda,
Ukraine,
Uruguay,
Utah,
Uzbekistan,
Venezuela,
Vermont,
Victoria,
Virginia,
West Himalaya,
West Siberia,
West Virginia,
Western Australia,
Wisconsin,
Wyoming,
Xinjiang,
Yemen,
Yugoslavia,
Zaïre
Introduced into:
Alaska,
Alberta,
Argentina South,
British Columbia,
Cape Provinces,
Chile South,
Idaho,
Manitoba,
Montana,
New Brunswick,
New Zealand North,
Newfoundland,
Norfolk Is.,
Nova Scotia,
Oregon,
Prince Edward I.,
Québec,
Saskatchewan,
Washington