Doubtfully present in:
Greece
Native to:
Alaska,
Alberta,
Aleutian Is.,
Algeria,
Altay,
Amur,
Austria,
Baltic States,
Belarus,
Belgium,
British Columbia,
Bulgaria,
Buryatiya,
Chita,
Corse,
Czechoslovakia,
Denmark,
East European Russia,
Finland,
France,
Føroyar,
Germany,
Great Britain,
Greenland,
Iceland,
Idaho,
Illinois,
Ireland,
Irkutsk,
Italy,
Japan,
Kamchatka,
Kazakhstan,
Khabarovsk,
Krasnoyarsk,
Kuril Is.,
Labrador,
Magadan,
Maine,
Manitoba,
Minnesota,
Montana,
Netherlands,
New Brunswick,
New Hampshire,
New York,
Newfoundland,
North Carolina,
North European Russia,
Northwest European Russia,
Northwest Territories,
Norway,
Nova Scotia,
Nunavut,
Ontario,
Oregon,
Poland,
Primorye,
Prince Edward I.,
Québec,
Sakhalin,
Saskatchewan,
South Carolina,
Spain,
Sweden,
Switzerland,
Tennessee,
Tuva,
Ukraine,
Utah,
Vermont,
Washington,
West Siberia,
Wisconsin,
Yakutskiya,
Yugoslavia