Native to:
Afghanistan,
Albania,
Algeria,
Altay,
Austria,
Baleares,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Buryatiya,
Central European Rus,
China North-Central,
China South-Central,
China Southeast,
Chita,
Corse,
Czechoslovakia,
Denmark,
East European Russia,
East Himalaya,
Egypt,
Finland,
France,
Germany,
Greece,
Hungary,
Iceland,
Inner Mongolia,
Iran,
Iraq,
Irkutsk,
Italy,
Japan,
Kazakhstan,
Kirgizstan,
Korea,
Krasnoyarsk,
Kriti,
Krym,
Kuwait,
Lebanon-Syria,
Manchuria,
Mongolia,
Morocco,
Nepal,
Netherlands,
North Caucasus,
North European Russi,
Northwest European R,
Norway,
Pakistan,
Palestine,
Poland,
Portugal,
Qinghai,
Romania,
Sicilia,
South European Russi,
Spain,
Sweden,
Switzerland,
Tadzhikistan,
Tibet,
Transcaucasus,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Tuva,
Ukraine,
Uzbekistan,
West Himalaya,
West Siberia,
Xinjiang,
Yakutskiya,
Yugoslavia
Introduced into:
Alabama,
Alaska,
Alberta,
Amur,
Argentina South,
Arizona,
Arkansas,
British Columbia,
California,
Canary Is.,
Cape Provinces,
Chile Central,
Chile South,
Colorado,
Connecticut,
Delaware,
Georgia,
Great Britain,
Hawaii,
Idaho,
Illinois,
Indiana,
Iowa,
Ireland,
Kamchatka,
Kansas,
Kentucky,
Khabarovsk,
Louisiana,
Magadan,
Maine,
Manitoba,
Maryland,
Massachusetts,
Mexico Northwest,
Michigan,
Minnesota,
Missouri,
Montana,
Nebraska,
Nevada,
New Brunswick,
New Hampshire,
New Mexico,
New South Wales,
New York,
New Zealand South,
Newfoundland,
North Carolina,
North Dakota,
Northern Provinces,
Northwest Territorie,
Nova Scotia,
Ohio,
Ontario,
Oregon,
Pennsylvania,
Primorye,
Prince Edward I.,
Québec,
Rhode I.,
Sakhalin,
Saskatchewan,
South Australia,
South Dakota,
Tennessee,
Texas,
Utah,
Vermont,
Virginia,
Washington,
West Virginia,
Wisconsin,
Wyoming,
Yukon