Doubtfully present in:
Romania
Native to:
Alaska,
Alberta,
Altay,
Austria,
Belarus,
British Columbia,
Buryatiya,
Central European Rus,
Chita,
Connecticut,
Czechoslovakia,
Denmark,
East European Russia,
Finland,
France,
Germany,
Irkutsk,
Italy,
Japan,
Kamchatka,
Khabarovsk,
Korea,
Krasnoyarsk,
Kuril Is.,
Labrador,
Maine,
Manchuria,
Manitoba,
Massachusetts,
Michigan,
Minnesota,
Montana,
New Brunswick,
New Hampshire,
New Jersey,
New York,
Newfoundland,
North European Russi,
Northwest European R,
Northwest Territorie,
Norway,
Nova Scotia,
Nunavut,
Ontario,
Poland,
Primorye,
Québec,
Sakhalin,
Saskatchewan,
Spain,
Sweden,
Switzerland,
Tuva,
Vermont,
West Siberia,
Wisconsin,
Yakutskiya,
Yugoslavia,
Yukon
Extinct in:
Great Britain,
Hungary