Doubtfully present in:
Idaho
Native to:
Albania,
Algeria,
Austria,
Baleares,
Baltic States,
Belarus,
Belgium,
Bulgaria,
Canary Is.,
Central European Rus,
Corse,
Czechoslovakia,
Denmark,
East European Russia,
France,
Germany,
Great Britain,
Greece,
Hungary,
Ireland,
Italy,
Morocco,
Netherlands,
Northwest European R,
Norway,
Poland,
Portugal,
Romania,
Sardegna,
Sicilia,
Spain,
Sweden,
Switzerland,
Tunisia,
Turkey,
Ukraine,
Yugoslavia
Introduced into:
Alabama,
Antipodean Is.,
Argentina Northeast,
Argentina South,
Azores,
British Columbia,
California,
Cape Provinces,
Cape Verde,
Chatham Is.,
Chile Central,
Delaware,
Hawaii,
Idaho,
India,
Japan,
Kentucky,
Korea,
KwaZulu-Natal,
Madagascar,
Madeira,
Maryland,
New Jersey,
New South Wales,
New York,
New Zealand North,
New Zealand South,
Northern Provinces,
Oregon,
South Australia,
Tasmania,
Tennessee,
Turkey-in-Europe,
Victoria,
Washington,
West Himalaya