Native to:
Afghanistan,
Albania,
Algeria,
Assam,
Austria,
Baleares,
Baltic States,
Belgium,
Bulgaria,
Central European Rus,
Corse,
Cyprus,
Czechoslovakia,
East Aegean Is.,
East European Russia,
East Himalaya,
France,
Germany,
Greece,
Hungary,
Iran,
Iraq,
Italy,
Japan,
Kazakhstan,
Kirgizstan,
Korea,
Kriti,
Krym,
Lebanon-Syria,
Libya,
Mongolia,
Morocco,
Netherlands,
New South Wales,
New Zealand North,
New Zealand South,
North Caucasus,
Northwest European R,
Norway,
Pakistan,
Palestine,
Poland,
Portugal,
Queensland,
Romania,
Sardegna,
Sicilia,
South Australia,
South European Russi,
Spain,
Sweden,
Switzerland,
Tadzhikistan,
Tasmania,
Tibet,
Transcaucasus,
Tunisia,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Ukraine,
Uzbekistan,
Victoria,
West Himalaya,
West Siberia,
Yugoslavia
Introduced into:
Denmark,
Finland,
Great Britain,
Maryland,
New York