Native to:
Alaska,
Alberta,
Altay,
Amur,
Arizona,
Austria,
Baltic States,
Belarus,
British Columbia,
California,
Central European Rus,
China North-Central,
Colorado,
Czechoslovakia,
Denmark,
East European Russia,
Finland,
France,
Germany,
Greenland,
Idaho,
Inner Mongolia,
Italy,
Kamchatka,
Kazakhstan,
Khabarovsk,
Kirgizstan,
Korea,
Magadan,
Manitoba,
Mexico Northeast,
Mexico Northwest,
Minnesota,
Mongolia,
Montana,
Nevada,
New Mexico,
North Caucasus,
North Dakota,
North European Russi,
Northwest European R,
Northwest Territorie,
Norway,
Nunavut,
Ontario,
Oregon,
Poland,
Primorye,
Québec,
Romania,
Saskatchewan,
South Dakota,
South European Russi,
Sweden,
Switzerland,
Texas,
Transcaucasus,
Ukraine,
Utah,
Washington,
West Himalaya,
West Siberia,
Wyoming,
Xinjiang,
Yakutskiya,
Yugoslavia,
Yukon
Extinct in:
Newfoundland