Native to:
Afghanistan,
Albania,
Altay,
Amur,
British Columbia,
Bulgaria,
Buryatiya,
California,
Chita,
Corse,
Cyprus,
Czechoslovakia,
East Aegean Is.,
East European Russia,
Finland,
France,
Føroyar,
Germany,
Greece,
Greenland,
Iceland,
Inner Mongolia,
Iran,
Iraq,
Irkutsk,
Italy,
Japan,
Kamchatka,
Kazakhstan,
Khabarovsk,
Kirgizstan,
Korea,
Krasnoyarsk,
Kuril Is.,
Lebanon-Syria,
Magadan,
Manchuria,
Mongolia,
Nepal,
North Caucasus,
Norway,
Nova Scotia,
Oregon,
Pakistan,
Poland,
Primorye,
Romania,
Sakhalin,
Spain,
Sweden,
Switzerland,
Tadzhikistan,
Transcaucasus,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Tuva,
Ukraine,
Uzbekistan,
Washington,
West Himalaya,
West Siberia,
Xinjiang,
Yakutskiya,
Yugoslavia,
Yukon
Introduced into:
Great Britain,
Ireland