Doubtfully present in:
Morocco
Native to:
Afghanistan,
Albania,
Assam,
Austria,
Baleares,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Central European Rus,
China North-Central,
China South-Central,
China Southeast,
Corse,
Czechoslovakia,
Denmark,
East European Russia,
East Himalaya,
France,
Germany,
Great Britain,
Greece,
Hungary,
Inner Mongolia,
Iran,
Ireland,
Italy,
Japan,
Korea,
Krym,
Kuril Is.,
Myanmar,
Nepal,
Netherlands,
North Caucasus,
Northwest European R,
Norway,
Pakistan,
Palestine,
Poland,
Portugal,
Primorye,
Romania,
South European Russi,
Spain,
Sweden,
Switzerland,
Tibet,
Transcaucasus,
Turkey,
Turkey-in-Europe,
Ukraine,
Vietnam,
West Himalaya,
Yugoslavia
Introduced into:
British Columbia,
California,
District of Columbia,
Finland,
Haiti,
Illinois,
Indiana,
Iowa,
Jawa,
Kentucky,
Maryland,
Massachusetts,
Michigan,
Minnesota,
Mississippi,
Missouri,
New Jersey,
New York,
North Carolina,
Ohio,
Oklahoma,
Ontario,
Oregon,
Pennsylvania,
Québec,
Sumatera,
Texas,
Virginia,
West Virginia,
Wisconsin