Doubtfully present in:
Czechoslovakia,
Poland
Native to:
Alaska,
Alberta,
Aleutian Is.,
Altay,
Amur,
Austria,
Baltic States,
Belarus,
British Columbia,
Bulgaria,
Buryatiya,
Central European Rus,
Chita,
Connecticut,
Denmark,
East European Russia,
Finland,
France,
Føroyar,
Germany,
Greenland,
Iceland,
Idaho,
Inner Mongolia,
Irkutsk,
Italy,
Japan,
Kamchatka,
Kazakhstan,
Khabarovsk,
Krasnoyarsk,
Kuril Is.,
Labrador,
Magadan,
Maine,
Manchuria,
Massachusetts,
Michigan,
Minnesota,
Mongolia,
Montana,
New Hampshire,
New Jersey,
New York,
Newfoundland,
North European Russi,
Northwest European R,
Northwest Territorie,
Norway,
Nova Scotia,
Nunavut,
Ontario,
Pennsylvania,
Primorye,
Québec,
Sakhalin,
Saskatchewan,
South European Russi,
Sweden,
Switzerland,
Tuva,
Ukraine,
Vermont,
Washington,
West Siberia,
Wisconsin,
Wyoming,
Xinjiang,
Yakutskiya,
Yukon
Extinct in:
Great Britain