Native to:
Albania,
Alberta,
Altay,
Arizona,
Arkansas,
Austria,
Baltic States,
Belarus,
Belgium,
British Columbia,
Bulgaria,
Buryatiya,
California,
Central European Rus,
China North-Central,
China South-Central,
China Southeast,
Chita,
Colorado,
Connecticut,
Corse,
Czechoslovakia,
Delaware,
Denmark,
East European Russia,
Finland,
France,
Germany,
Great Britain,
Greece,
Hainan,
Hungary,
Illinois,
Indiana,
Inner Mongolia,
Iowa,
Iran,
Irkutsk,
Italy,
Japan,
Kansas,
Kazakhstan,
Kentucky,
Khabarovsk,
Korea,
Krasnoyarsk,
Krym,
Kuril Is.,
Maine,
Manchuria,
Manitoba,
Maryland,
Massachusetts,
Mexico Northeast,
Michigan,
Minnesota,
Missouri,
Montana,
Morocco,
Nansei-shoto,
Nebraska,
Netherlands,
Nevada,
New Brunswick,
New Hampshire,
New Jersey,
New Mexico,
New York,
Newfoundland,
North Carolina,
North Caucasus,
North Dakota,
North European Russi,
Northwest European R,
Norway,
Nova Scotia,
Ohio,
Oklahoma,
Ontario,
Pennsylvania,
Poland,
Portugal,
Primorye,
Prince Edward I.,
Québec,
Rhode I.,
Romania,
Sakhalin,
Sardegna,
Saskatchewan,
Sicilia,
South Dakota,
South European Russi,
Spain,
Sweden,
Switzerland,
Taiwan,
Texas,
Tibet,
Transcaucasus,
Turkey,
Turkey-in-Europe,
Ukraine,
Utah,
Vermont,
Vietnam,
Virginia,
West Siberia,
West Virginia,
Wisconsin,
Wyoming,
Yugoslavia
Introduced into:
Afghanistan,
Alabama,
Amur,
Argentina Northeast,
Argentina South,
Georgia,
Idaho,
Ireland,
Kirgizstan,
New South Wales,
New Zealand North,
New Zealand South,
Oregon,
Queensland,
South Australia,
South Carolina,
Tennessee,
Uzbekistan,
Victoria,
Washington,
Xinjiang