Native to:
Alabama,
Albania,
Altay,
Amur,
Arkansas,
Austria,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Central European Rus,
China North-Central,
China South-Central,
China Southeast,
Connecticut,
Corse,
Czechoslovakia,
Delaware,
Denmark,
District of Columbia,
East Aegean Is.,
East European Russia,
Finland,
Florida,
France,
Georgia,
Germany,
Great Britain,
Greece,
Hungary,
Illinois,
Indiana,
Inner Mongolia,
Iowa,
Iran,
Italy,
Japan,
Kansas,
Kazakhstan,
Kentucky,
Khabarovsk,
Korea,
Krasnoyarsk,
Krym,
Kuril Is.,
Lebanon-Syria,
Louisiana,
Maine,
Manchuria,
Manitoba,
Maryland,
Massachusetts,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Michigan,
Minnesota,
Mississippi,
Missouri,
Nebraska,
Netherlands,
New Brunswick,
New Hampshire,
New Jersey,
New York,
North Carolina,
North Caucasus,
North Dakota,
North European Russi,
Northwest European R,
Norway,
Ohio,
Oklahoma,
Ontario,
Pennsylvania,
Poland,
Primorye,
Québec,
Rhode I.,
Romania,
Saskatchewan,
Sicilia,
South Carolina,
South Dakota,
South European Russi,
Spain,
Sweden,
Switzerland,
Tennessee,
Texas,
Tibet,
Transcaucasus,
Turkey,
Turkey-in-Europe,
Ukraine,
Vermont,
Vietnam,
Virginia,
West Siberia,
West Virginia,
Wisconsin,
Yugoslavia
Introduced into:
Ireland,
Uzbekistan