Native to:
Afghanistan,
Albania,
Assam,
Austria,
Bulgaria,
China North-Central,
China South-Central,
China Southeast,
Cyprus,
Czechoslovakia,
Greece,
Hungary,
Inner Mongolia,
Iran,
Irkutsk,
Italy,
Kazakhstan,
Kirgizstan,
Korea,
Krym,
Lebanon-Syria,
Manchuria,
Mongolia,
Nepal,
North Caucasus,
Pakistan,
Qinghai,
Romania,
South European Russi,
Tadzhikistan,
Tibet,
Transcaucasus,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Ukraine,
Uzbekistan,
West Himalaya,
Xinjiang,
Yugoslavia
Introduced into:
Altay,
Amur,
Belgium,
Central European Rus,
Colombia,
Connecticut,
Denmark,
Dominican Republic,
Finland,
France,
Germany,
Great Britain,
Haiti,
Idaho,
Illinois,
Indiana,
Iowa,
Kamchatka,
Kansas,
Kentucky,
Khabarovsk,
Maine,
Malaya,
Maryland,
Massachusetts,
Michigan,
Minnesota,
Missouri,
Montana,
Nebraska,
New Hampshire,
New Jersey,
New Mexico,
New York,
North Carolina,
North Dakota,
Northwest European R,
Norway,
Ohio,
Oklahoma,
Ontario,
Pennsylvania,
Peru,
Poland,
Primorye,
Québec,
Rhode I.,
Sakhalin,
Sicilia,
South Dakota,
Sweden,
Switzerland,
Tennessee,
Utah,
Vermont,
Virginia,
Washington,
West Siberia,
West Virginia,
Wisconsin,
Wyoming