Native to:
Afghanistan,
Alaska,
Albania,
Alberta,
Altay,
Argentina Northwest,
Argentina South,
Arizona,
Austria,
Baltic States,
Belarus,
Belgium,
Bolivia,
British Columbia,
Bulgaria,
California,
Central European Russia,
Chile North,
China North-Central,
China South-Central,
Colorado,
Corse,
Czechia-Slovakia,
Denmark,
East European Russia,
Egypt,
Finland,
France,
Føroyar,
Germany,
Great Britain,
Greece,
Greenland,
Hungary,
Iceland,
Idaho,
Illinois,
Indiana,
Inner Mongolia,
Iowa,
Iran,
Iraq,
Ireland,
Italy,
Kamchatka,
Kazakhstan,
Kirgizstan,
Krym,
Labrador,
Maine,
Manitoba,
Massachusetts,
Mexico Northwest,
Michigan,
Minnesota,
Mongolia,
Montana,
Morocco,
Nebraska,
Nepal,
Netherlands,
Nevada,
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,
NW. Balkan Pen.,
Ohio,
Ontario,
Oregon,
Pakistan,
Pennsylvania,
Poland,
Prince Edward I.,
Québec,
Saskatchewan,
South European Russia,
Spain,
Sweden,
Switzerland,
Tadzhikistan,
Tibet,
Transcaucasus,
Turkmenistan,
Türkiye,
Ukraine,
Utah,
Uzbekistan,
Vermont,
Washington,
West Himalaya,
West Siberia,
Wisconsin,
Wyoming,
Xinjiang,
Yakutiya,
Yukon