Native to:
Afghanistan,
Albania,
Altay,
Amur,
Austria,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Buryatiya,
Central European Rus,
China North-Central,
China South-Central,
China Southeast,
Chita,
Czechoslovakia,
Denmark,
East European Russia,
Finland,
France,
Germany,
Great Britain,
Greece,
Hungary,
Illinois,
Indiana,
Inner Mongolia,
Irkutsk,
Italy,
Japan,
Kamchatka,
Kazakhstan,
Kentucky,
Khabarovsk,
Kirgizstan,
Korea,
Krasnoyarsk,
Krym,
Kuril Is.,
Magadan,
Manchuria,
Maryland,
Michigan,
Minnesota,
Mongolia,
Netherlands,
North Carolina,
North Caucasus,
North European Russi,
Northwest European R,
Norway,
Ohio,
Ontario,
Pakistan,
Pennsylvania,
Poland,
Primorye,
Qinghai,
Romania,
Sakhalin,
South Carolina,
South European Russi,
Spain,
Sweden,
Switzerland,
Tadzhikistan,
Tibet,
Transcaucasus,
Turkey,
Turkey-in-Europe,
Tuva,
Ukraine,
Virginia,
West Himalaya,
West Siberia,
West Virginia,
Xinjiang,
Yakutskiya,
Yugoslavia
Introduced into:
Alabama,
Arkansas,
British Columbia,
Connecticut,
Corse,
Delaware,
East Himalaya,
Georgia,
Iowa,
Ireland,
Kansas,
Louisiana,
Maine,
Manitoba,
Massachusetts,
Missouri,
New Brunswick,
New Hampshire,
New Jersey,
New York,
Newfoundland,
Nova Scotia,
Prince Edward I.,
Québec,
Rhode I.,
Tennessee,
Vermont,
Washington,
Wisconsin