Native to:
Afghanistan,
Albania,
Algeria,
Amur,
Austria,
Belarus,
Belgium,
Botswana,
Bulgaria,
Central European Russia,
China North-Central,
China South-Central,
China Southeast,
Czechoslovakia,
Denmark,
East Himalaya,
Finland,
France,
Free State,
Gabon,
Germany,
Great Britain,
Greece,
Hainan,
Hungary,
India,
Iran,
Iraq,
Ireland,
Italy,
Japan,
Jawa,
Kenya,
Korea,
Krym,
Kuril Is.,
KwaZulu-Natal,
Mauritania,
Morocco,
Myanmar,
Nansei-shoto,
Nepal,
Netherlands,
New Guinea,
North Caucasus,
Northern Provinces,
Northwest European Russia,
Norway,
Oman,
Pakistan,
Palestine,
Philippines,
Poland,
Portugal,
Primorye,
Romania,
Rwanda,
Sakhalin,
South European Russia,
Spain,
Sri Lanka,
Sudan,
Sumatera,
Sweden,
Switzerland,
Taiwan,
Tanzania,
Tibet,
Turkey,
Turkey-in-Europe,
Uganda,
West Himalaya,
Yemen,
Yugoslavia,
Zambia,
Zaïre,
Zimbabwe