Native to:
Alaska,
Alberta,
Altay,
Austria,
Baltic States,
Belarus,
Belgium,
British Columbia,
Bulgaria,
Buryatiya,
Central European Rus,
Chita,
Connecticut,
Corse,
Czechoslovakia,
Denmark,
East European Russia,
Finland,
France,
Germany,
Great Britain,
Idaho,
Illinois,
Indiana,
Inner Mongolia,
Iowa,
Iran,
Ireland,
Irkutsk,
Italy,
Kamchatka,
Kazakhstan,
Krasnoyarsk,
Magadan,
Maine,
Manitoba,
Massachusetts,
Michigan,
Minnesota,
Montana,
Nebraska,
Netherlands,
New Brunswick,
New Hampshire,
New York,
Newfoundland,
North Dakota,
North European Russi,
Northwest European R,
Northwest Territorie,
Norway,
Nova Scotia,
Ohio,
Ontario,
Pennsylvania,
Poland,
Prince Edward I.,
Québec,
Rhode I.,
Saskatchewan,
South Dakota,
South European Russi,
Sweden,
Switzerland,
Tadzhikistan,
Tuva,
Ukraine,
Utah,
Vermont,
Washington,
West Siberia,
Wisconsin,
Wyoming,
Yakutskiya,
Yugoslavia,
Yukon