Native to:
Alaska,
Alberta,
Aleutian Is.,
Altay,
Amur,
Arizona,
Austria,
Baltic States,
Belarus,
British Columbia,
Buryatiya,
California,
Central European Russia,
China North-Central,
Chita,
Colorado,
Connecticut,
Czechoslovakia,
Denmark,
East European Russia,
Finland,
France,
Germany,
Great Britain,
Greenland,
Idaho,
Illinois,
Indiana,
Inner Mongolia,
Iowa,
Irkutsk,
Italy,
Japan,
Kamchatka,
Kazakhstan,
Khabarovsk,
Korea,
Krasnoyarsk,
Kuril Is.,
Labrador,
Magadan,
Maine,
Manchuria,
Manitoba,
Massachusetts,
Michigan,
Minnesota,
Mongolia,
Montana,
Netherlands,
New Brunswick,
New Hampshire,
New Jersey,
New Mexico,
New York,
Newfoundland,
North Caucasus,
North Dakota,
North European Russia,
Northwest European Russia,
Northwest Territories,
Norway,
Nova Scotia,
Nunavut,
Ohio,
Ontario,
Oregon,
Pennsylvania,
Poland,
Primorye,
Prince Edward I.,
Québec,
Rhode I.,
Romania,
Sakhalin,
Saskatchewan,
South Dakota,
Sweden,
Switzerland,
Tennessee,
Transcaucasus,
Tuva,
Uganda,
Ukraine,
Utah,
Vermont,
Washington,
West Siberia,
West Virginia,
Wisconsin,
Wyoming,
Xinjiang,
Yakutskiya,
Yugoslavia,
Yukon
Recorded in error in:
Maryland