Native to:
Alaska,
Albania,
Alberta,
Aleutian Is.,
Altay,
Austria,
Baltic States,
Belarus,
Belgium,
British Columbia,
Bulgaria,
Buryatiya,
Central European Russia,
China South-Central,
Chita,
Colorado,
Czechia-Slovakia,
Denmark,
East European Russia,
Finland,
France,
Føroyar,
Germany,
Great Britain,
Greece,
Greenland,
Hungary,
Iceland,
Idaho,
Illinois,
Indiana,
Inner Mongolia,
Iowa,
Ireland,
Irkutsk,
Italy,
Kamchatka,
Kazakhstan,
Khabarovsk,
Korea,
Krasnoyarsk,
Kuril Is.,
Labrador,
Magadan,
Maine,
Manchuria,
Manitoba,
Michigan,
Minnesota,
Mongolia,
Montana,
Nebraska,
Netherlands,
New Brunswick,
New Mexico,
New York,
Newfoundland,
North Caucasus,
North Dakota,
North European Russia,
Northwest European Russia,
Northwest Territories,
Norway,
Nova Scotia,
Nunavut,
NW. Balkan Pen.,
Ontario,
Oregon,
Poland,
Portugal,
Prince Edward I.,
Québec,
Romania,
Saskatchewan,
South Dakota,
South European Russia,
Spain,
Svalbard,
Sweden,
Switzerland,
Transcaucasus,
Türkey,
Washington,
West Siberia,
Wisconsin,
Wyoming,
Yakutiya,
Yukon
Extinct in:
Vermont