Native to:
Afghanistan,
Alabama,
Algeria,
Amur,
Argentina Northwest,
Arizona,
Arkansas,
Bolivia,
California,
China North-Central,
China South-Central,
China Southeast,
Colombia,
Connecticut,
Cuba,
Delaware,
District of Columbia,
Dominican Republic,
East Himalaya,
Ecuador,
El Salvador,
Florida,
France,
Georgia,
Guatemala,
Haiti,
Honduras,
Illinois,
Indiana,
Inner Mongolia,
Iowa,
Iran,
Iraq,
Italy,
Japan,
Kansas,
Kentucky,
Khabarovsk,
Korea,
Kuril Is.,
Lebanon-Syria,
Louisiana,
Maine,
Manchuria,
Maryland,
Massachusetts,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Michigan,
Minnesota,
Mississippi,
Missouri,
Nebraska,
New Brunswick,
New Hampshire,
New Jersey,
New Mexico,
New York,
Nicaragua,
North Carolina,
North Caucasus,
Ohio,
Oklahoma,
Ontario,
Pakistan,
Pennsylvania,
Peru,
Poland,
Primorye,
Puerto Rico,
Québec,
Rhode I.,
Sakhalin,
South Carolina,
South Dakota,
Spain,
Taiwan,
Tennessee,
Texas,
Tibet,
Transcaucasus,
Turkey,
Venezuela,
Vermont,
Virginia,
West Himalaya,
West Virginia,
Wisconsin
Introduced into:
Albania,
Assam,
Austria,
Belgium,
Bulgaria,
Canary Is.,
Central European Rus,
Corse,
Cyprus,
Czechoslovakia,
Denmark,
East Aegean Is.,
Galápagos,
Germany,
Great Britain,
Greece,
Hungary,
Kazakhstan,
Kirgizstan,
Kriti,
Krym,
Laos,
Libya,
Madeira,
Morocco,
Nepal,
Norway,
Oman,
Oregon,
Portugal,
Romania,
Sardegna,
Sicilia,
South European Russi,
Switzerland,
Tadzhikistan,
Tunisia,
Turkey-in-Europe,
Turkmenistan,
Ukraine,
Uzbekistan,
Vietnam,
Yugoslavia