Native to:
Alberta,
Aleutian Is.,
Austria,
British Columbia,
Buryatiya,
Chita,
Colorado,
Czechoslovakia,
Finland,
France,
Germany,
Great Britain,
Greenland,
Idaho,
Inner Mongolia,
Irkutsk,
Italy,
Kamchatka,
Kazakhstan,
Kirgizstan,
Krasnoyarsk,
Kuril Is.,
Labrador,
Magadan,
Maine,
Manitoba,
Minnesota,
Mongolia,
Montana,
Nevada,
New Brunswick,
New Hampshire,
New Mexico,
Newfoundland,
North Caucasus,
North European Russi,
Northwest European R,
Northwest Territorie,
Norway,
Nunavut,
Ontario,
Oregon,
Pakistan,
Québec,
Romania,
Sakhalin,
Saskatchewan,
South Dakota,
Spain,
Sweden,
Switzerland,
Tadzhikistan,
Transcaucasus,
Tuva,
Ukraine,
Utah,
Uzbekistan,
Vermont,
Washington,
Wisconsin,
Wyoming,
Xinjiang,
Yakutskiya,
Yugoslavia,
Yukon