Native to:
Alaska,
Alberta,
Aleutian Is.,
Altay,
Amur,
Baltic States,
Belarus,
British Columbia,
Buryatiya,
Central European Russia,
China North-Central,
Chita,
Colorado,
Connecticut,
East European Russia,
Finland,
Idaho,
Illinois,
Indiana,
Inner Mongolia,
Iowa,
Irkutsk,
Japan,
Kamchatka,
Kazakhstan,
Khabarovsk,
Korea,
Krasnoyarsk,
Kuril Is.,
Labrador,
Magadan,
Maine,
Manchuria,
Manitoba,
Maryland,
Massachusetts,
Michigan,
Minnesota,
Missouri,
Mongolia,
Montana,
Nebraska,
Nevada,
New Brunswick,
New Hampshire,
New Jersey,
New Mexico,
New York,
Newfoundland,
North Dakota,
North European Russia,
Northwest European Russia,
Norway,
Nova Scotia,
Nunavut,
Ohio,
Ontario,
Oregon,
Pennsylvania,
Primorye,
Prince Edward I.,
Québec,
Rhode I.,
Sakhalin,
Saskatchewan,
South Dakota,
Sweden,
Tuva,
Ukraine,
Utah,
Vermont,
Virginia,
Washington,
West Siberia,
West Virginia,
Wisconsin,
Wyoming,
Xinjiang,
Yakutskiya,
Yukon