Native to:
Afghanistan,
Alabama,
Albania,
Algeria,
Altay,
Argentina Northeast,
Argentina Northwest,
Argentina South,
Arizona,
Azores,
Baleares,
Belgium,
Bermuda,
Brazil South,
Brazil Southeast,
Bulgaria,
Buryatiya,
California,
Canary Is.,
Cape Provinces,
Cape Verde,
Central European Russia,
Chad,
Chile Central,
Chile North,
China North-Central,
China South-Central,
China Southeast,
Chita,
Connecticut,
Corse,
Cyprus,
Czechoslovakia,
Delaware,
Denmark,
Djibouti,
Dominican Republic,
East Aegean Is.,
East European Russia,
Egypt,
Eritrea,
Ethiopia,
Florida,
France,
Free State,
Georgia,
Germany,
Great Britain,
Greece,
Gulf States,
Haiti,
Hungary,
Inner Mongolia,
Iran,
Iraq,
Ireland,
Irkutsk,
Italy,
Japan,
Kazakhstan,
Kenya,
Kirgizstan,
Korea,
Krasnoyarsk,
Kriti,
Krym,
Kuwait,
Labrador,
Lebanon-Syria,
Libya,
Louisiana,
Madeira,
Maine,
Maluku,
Manchuria,
Maryland,
Massachusetts,
Mauritania,
Mexico Northeast,
Mexico Northwest,
Mississippi,
Mongolia,
Morocco,
Namibia,
Nansei-shoto,
Netherlands,
Nevada,
New Brunswick,
New Caledonia,
New Hampshire,
New Jersey,
New Mexico,
New South Wales,
New York,
Newfoundland,
North Carolina,
North Caucasus,
Norway,
Nova Scotia,
Ogasawara-shoto,
Oklahoma,
Oman,
Oregon,
Pakistan,
Palestine,
Philippines,
Portugal,
Primorye,
Prince Edward I.,
Qinghai,
Queensland,
Québec,
Rhode I.,
Romania,
Sardegna,
Saudi Arabia,
Selvagens,
Sicilia,
Sinai,
Socotra,
Somalia,
South Carolina,
South European Russia,
Spain,
Sudan,
Sweden,
Tadzhikistan,
Taiwan,
Tasmania,
Texas,
Tibet,
Transcaucasus,
Tunisia,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Turks-Caicos Is.,
Tuva,
Ukraine,
Uruguay,
Uzbekistan,
Victoria,
Vietnam,
Virginia,
West Himalaya,
West Siberia,
Western Sahara,
Xinjiang,
Yemen,
Yugoslavia
Introduced into:
Austria,
Mexico Central,
Mexico Southwest