Native to:
Alabama,
Albania,
Altay,
Amur,
Arkansas,
Austria,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Central European Russia,
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 Russia,
Northwest European Russia,
Norway,
Ohio,
Oklahoma,
Ontario,
Pennsylvania,
Poland,
Primorye,
Québec,
Rhode I.,
Romania,
Saskatchewan,
Sicilia,
South Carolina,
South Dakota,
South European Russia,
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