Native to:
Afghanistan,
Albania,
Algeria,
Altay,
Austria,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Buryatiya,
Central European Rus,
Chita,
Corse,
Czechoslovakia,
Denmark,
East European Russia,
East Himalaya,
France,
Germany,
Great Britain,
Greece,
Hungary,
Inner Mongolia,
Iraq,
Ireland,
Irkutsk,
Italy,
Japan,
Kazakhstan,
Kirgizstan,
Korea,
Krasnoyarsk,
Kriti,
Manchuria,
Mongolia,
Nansei-shoto,
Netherlands,
North Caucasus,
Northwest European R,
Pakistan,
Poland,
Portugal,
Romania,
Sardegna,
Sicilia,
South European Russi,
Spain,
Sweden,
Switzerland,
Tadzhikistan,
Transcaucasus,
Tunisia,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Tuva,
Ukraine,
Uzbekistan,
West Himalaya,
West Siberia,
Xinjiang,
Yugoslavia
Introduced into:
Alabama,
Alaska,
Alberta,
Amur,
Argentina South,
Arkansas,
British Columbia,
California,
Chile South,
China Southeast,
Colorado,
Connecticut,
Finland,
Georgia,
Iceland,
Idaho,
Illinois,
Indiana,
Iowa,
Kansas,
Kentucky,
Labrador,
Maine,
Manitoba,
Maryland,
Massachusetts,
Mexico Northwest,
Michigan,
Minnesota,
Missouri,
Montana,
Nebraska,
New Brunswick,
New Hampshire,
New Jersey,
New Mexico,
New York,
New Zealand North,
New Zealand South,
Newfoundland,
North Carolina,
North European Russi,
Norway,
Ohio,
Oklahoma,
Ontario,
Oregon,
Pennsylvania,
Primorye,
Prince Edward I.,
Québec,
Rhode I.,
Sakhalin,
Saskatchewan,
South Dakota,
Sri Lanka,
Svalbard,
Tennessee,
Utah,
Vermont,
Virginia,
Washington,
West Virginia,
Wisconsin,
Wyoming