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