Native to:
Afghanistan,
Albania,
Altay,
Austria,
Baleares,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Central European Rus,
China North-Central,
China South-Central,
China Southeast,
Corse,
Cyprus,
Denmark,
East Aegean Is.,
East European Russia,
France,
Greece,
Hungary,
Iran,
Iraq,
Italy,
Krasnoyarsk,
Kriti,
Krym,
Laos,
Lebanon-Syria,
Manchuria,
Netherlands,
North Caucasus,
Northwest European R,
Norway,
Palestine,
Portugal,
Qinghai,
Romania,
Sardegna,
Saudi Arabia,
Sicilia,
South European Russi,
Spain,
Sweden,
Switzerland,
Transcaucasus,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Tuva,
Ukraine,
Uzbekistan,
Vietnam,
West Himalaya,
West Siberia,
Xinjiang,
Yugoslavia
Introduced into:
Alabama,
Alberta,
Algeria,
Amur,
Argentina Northeast,
Argentina South,
Arizona,
Azores,
Bangladesh,
British Columbia,
California,
Canary Is.,
Cape Provinces,
Chita,
Colombia,
Colorado,
Connecticut,
Czechoslovakia,
Delaware,
District of Columbia,
Egypt,
El Salvador,
Finland,
Føroyar,
Germany,
Great Britain,
Greenland,
Gulf of Guinea Is.,
Iceland,
Illinois,
Indiana,
Iowa,
Ireland,
Irkutsk,
Japan,
Leeward Is.,
Libya,
Madeira,
Maine,
Manitoba,
Marianas,
Maryland,
Massachusetts,
Mexico Central,
Mexico Northeast,
Minnesota,
Missouri,
Montana,
Morocco,
Nebraska,
New Brunswick,
New Hampshire,
New Jersey,
New Mexico,
New South Wales,
New York,
North Carolina,
North Dakota,
North European Russi,
Nova Scotia,
Ohio,
Oklahoma,
Ontario,
Oregon,
Pennsylvania,
Poland,
Primorye,
Prince Edward I.,
Puerto Rico,
Queensland,
Québec,
Rhode I.,
Saskatchewan,
South Carolina,
South Dakota,
Tadzhikistan,
Tasmania,
Tennessee,
Texas,
Tunisia,
Utah,
Vermont,
Victoria,
Washington,
West Virginia,
Windward Is.,
Wisconsin,
Yakutskiya,
Yukon