Native to:
Alaska,
Alberta,
Altay,
Amur,
Arizona,
Baltic States,
British Columbia,
Bulgaria,
Buryatiya,
California,
China North-Central,
China South-Central,
Chita,
Colorado,
Connecticut,
East European Russia,
East Himalaya,
France,
Great Britain,
Idaho,
Illinois,
Indiana,
Inner Mongolia,
Iowa,
Ireland,
Irkutsk,
Italy,
Japan,
Kamchatka,
Kazakhstan,
Khabarovsk,
Korea,
Krasnoyarsk,
Labrador,
Magadan,
Maine,
Manchuria,
Manitoba,
Massachusetts,
Michigan,
Minnesota,
Mongolia,
Montana,
Nepal,
Nevada,
New Brunswick,
New Hampshire,
New Jersey,
New Mexico,
New York,
Newfoundland,
North Caucasus,
North Dakota,
North European Russia,
Northwest European Russia,
Northwest Territories,
Nova Scotia,
Nunavut,
Ohio,
Ontario,
Oregon,
Pennsylvania,
Primorye,
Québec,
Rhode I.,
Sakhalin,
Saskatchewan,
South Dakota,
Spain,
Sweden,
Tibet,
Transcaucasus,
Turkey,
Tuva,
Utah,
Vermont,
Washington,
West Himalaya,
West Siberia,
Wisconsin,
Wyoming,
Yakutskiya,
Yugoslavia,
Yukon
Introduced into:
Austria,
Belarus,
Central European Russia,
Germany,
Norway