Native to:
Afghanistan,
Alaska,
Albania,
Aleutian Is.,
Algeria,
Altay,
Amur,
Austria,
Baltic States,
Belgium,
Bulgaria,
Buryatiya,
Cape Provinces,
Central European Russia,
China North-Central,
China South-Central,
China Southeast,
Chita,
Corse,
Czechoslovakia,
Denmark,
East European Russia,
Ethiopia,
Finland,
France,
Free State,
Germany,
Great Britain,
Greece,
Hungary,
Inner Mongolia,
Iran,
Iraq,
Ireland,
Irkutsk,
Italy,
Japan,
Kamchatka,
Kazakhstan,
Khabarovsk,
Kirgizstan,
Korea,
Krasnoyarsk,
Krym,
Kuril Is.,
Lebanon-Syria,
Lesotho,
Magadan,
Manchuria,
Mongolia,
Morocco,
Nansei-shoto,
Netherlands,
North Caucasus,
North European Russia,
Northern Provinces,
Northwest European Russia,
Norway,
Pakistan,
Poland,
Portugal,
Primorye,
Qinghai,
Romania,
Sakhalin,
Sardegna,
Sicilia,
South European Russia,
Spain,
Sweden,
Switzerland,
Tadzhikistan,
Transcaucasus,
Turkey,
Turkmenistan,
Tuva,
Ukraine,
Uzbekistan,
West Himalaya,
West Siberia,
Xinjiang,
Yakutskiya,
Yemen,
Yugoslavia