Native to:
Afghanistan,
Albania,
Alberta,
Algeria,
Altay,
Argentina Northeast,
Argentina Northwest,
Argentina South,
Arizona,
Austria,
Azores,
Baleares,
Baltic States,
Belarus,
Belgium,
British Columbia,
Bulgaria,
Buryatiya,
California,
Canary Is.,
Central European Russia,
Chad,
Chile Central,
Chile South,
China North-Central,
China South-Central,
China Southeast,
Chita,
Connecticut,
Corse,
Cyprus,
Czechoslovakia,
Delaware,
Denmark,
District of Columbia,
East Aegean Is.,
East European Russia,
Egypt,
Falkland Is.,
Finland,
Florida,
France,
Georgia,
Germany,
Great Britain,
Greece,
Gulf States,
Hungary,
Iceland,
Idaho,
Inner Mongolia,
Iowa,
Iran,
Iraq,
Ireland,
Irkutsk,
Italy,
Japan,
Kazakhstan,
Khabarovsk,
Kirgizstan,
Korea,
Kriti,
Krym,
Kuril Is.,
Kuwait,
Lebanon-Syria,
Libya,
Louisiana,
Madeira,
Maine,
Manchuria,
Manitoba,
Maryland,
Massachusetts,
Mauritania,
Mexico Northwest,
Mississippi,
Missouri,
Mongolia,
Montana,
Morocco,
Nebraska,
Netherlands,
Nevada,
New Brunswick,
New Hampshire,
New Jersey,
New York,
North Carolina,
North Caucasus,
North Dakota,
North European Russia,
Northwest European Russia,
Northwest Territories,
Norway,
Nova Scotia,
Oklahoma,
Oman,
Ontario,
Oregon,
Pakistan,
Palestine,
Pennsylvania,
Poland,
Portugal,
Primorye,
Prince Edward I.,
Qinghai,
Québec,
Rhode I.,
Romania,
Sakhalin,
Sardegna,
Saskatchewan,
Saudi Arabia,
Sicilia,
Sinai,
South Carolina,
South European Russia,
Spain,
Sweden,
Tadzhikistan,
Texas,
Transcaucasus,
Tunisia,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Ukraine,
Utah,
Uzbekistan,
Vermont,
Virginia,
Washington,
West Siberia,
Wyoming,
Xinjiang,
Yakutskiya,
Yemen,
Yugoslavia
Introduced into:
Alabama,
Bermuda,
Brazil Northeast,
Colombia,
Colorado,
Hawaii,
Illinois,
Kentucky,
Mexican Pacific Is.,
Michigan,
Minnesota,
New Mexico,
New Zealand North,
Ohio,
Tasmania,
Wisconsin