Native to:
Alabama,
Albania,
Arkansas,
Assam,
Austria,
Baltic States,
Bangladesh,
Belarus,
Belgium,
Bulgaria,
Central European Rus,
China North-Central,
China South-Central,
China Southeast,
Connecticut,
Czechoslovakia,
Delaware,
Denmark,
East Himalaya,
El Salvador,
Florida,
France,
Georgia,
Germany,
Great Britain,
Greece,
Guatemala,
Hainan,
Honduras,
Hungary,
Illinois,
Indiana,
Inner Mongolia,
Iowa,
Iran,
Italy,
Japan,
Kansas,
Kentucky,
Korea,
Krym,
Laos,
Louisiana,
Maine,
Manchuria,
Maryland,
Massachusetts,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Southeast,
Mexico Southwest,
Michigan,
Minnesota,
Mississippi,
Missouri,
Myanmar,
Nepal,
Netherlands,
New Hampshire,
New Jersey,
New York,
Nicaragua,
North Carolina,
North Caucasus,
Ohio,
Oklahoma,
Ontario,
Pennsylvania,
Poland,
Primorye,
Québec,
Rhode I.,
Romania,
Sicilia,
South Carolina,
South European Russi,
Spain,
Sweden,
Switzerland,
Taiwan,
Tennessee,
Texas,
Thailand,
Tibet,
Transcaucasus,
Turkey,
Turkey-in-Europe,
Ukraine,
Vermont,
Vietnam,
Virginia,
West Himalaya,
West Virginia,
Wisconsin,
Yugoslavia
Introduced into:
Norway