Native to:
Afghanistan,
Albania,
Altay,
Amur,
Austria,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Buryatiya,
Central European Russia,
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 Russia,
Northwest European Russia,
Norway,
Ohio,
Ontario,
Pakistan,
Pennsylvania,
Poland,
Primorye,
Qinghai,
Romania,
Sakhalin,
South Carolina,
South European Russia,
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