Native to:
Alabama,
Albania,
Algeria,
Austria,
Azores,
Baleares,
Belgium,
Bulgaria,
Canary Is.,
Corse,
Czechoslovakia,
Denmark,
France,
Føroyar,
Germany,
Great Britain,
Greece,
Hungary,
Iran,
Iraq,
Ireland,
Italy,
Japan,
Khabarovsk,
Korea,
Kriti,
Krym,
Kuril Is.,
Lebanon-Syria,
Libya,
Madeira,
Manchuria,
Maryland,
Mexico Northeast,
Mexico Southeast,
Mexico Southwest,
Michigan,
Morocco,
Netherlands,
New Jersey,
New Mexico,
New York,
North Caucasus,
Northwest European R,
Norway,
Ontario,
Palestine,
Poland,
Portugal,
Primorye,
Romania,
Sakhalin,
Sardegna,
Sicilia,
Spain,
Sweden,
Switzerland,
Taiwan,
Tennessee,
Transcaucasus,
Tunisia,
Turkey,
Turkey-in-Europe,
Ukraine,
Yakutskiya,
Yugoslavia
Introduced into:
Falkland Is.