Native to:
Afghanistan,
Altay,
Austria,
Azores,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Central European Russia,
Chad,
China North-Central,
China South-Central,
China Southeast,
Czechoslovakia,
Denmark,
East Aegean Is.,
East European Russia,
Germany,
Greece,
Hungary,
Iran,
Iraq,
Irkutsk,
Italy,
Kazakhstan,
Kirgizstan,
Krasnoyarsk,
Krym,
Lebanon-Syria,
Mongolia,
Netherlands,
North Caucasus,
North European Russia,
Northwest European Russia,
Norway,
Poland,
Romania,
South European Russia,
Sweden,
Tadzhikistan,
Tibet,
Transcaucasus,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Tuva,
Ukraine,
Uzbekistan,
West Siberia,
Xinjiang,
Yugoslavia
Introduced into:
Alberta,
Amur,
Bangladesh,
British Columbia,
Canary Is.,
Cape Provinces,
Colorado,
Dominican Republic,
Ecuador,
Finland,
France,
Free State,
Great Britain,
Haiti,
Illinois,
Iowa,
Ireland,
Japan,
Kamchatka,
Kansas,
Khabarovsk,
Korea,
Lesotho,
Magadan,
Manitoba,
Massachusetts,
Minnesota,
Missouri,
Montana,
Namibia,
Nebraska,
New Brunswick,
New York,
North Dakota,
Northern Provinces,
Nova Scotia,
Ogasawara-shoto,
Ontario,
Oregon,
Pennsylvania,
Primorye,
Prince Edward I.,
Québec,
Saskatchewan,
South Dakota,
Virginia,
Wisconsin,
Wyoming