Native to:
Afghanistan,
Albania,
Alberta,
Algeria,
Altay,
Arizona,
Austria,
Baleares,
Baltic States,
Belarus,
Belgium,
British Columbia,
Bulgaria,
Buryatiya,
California,
Central European Rus,
Chita,
Colorado,
Corse,
Czechoslovakia,
Denmark,
East European Russia,
Finland,
France,
Germany,
Great Britain,
Greece,
Greenland,
Hungary,
Iceland,
Idaho,
Illinois,
Iran,
Ireland,
Irkutsk,
Italy,
Kazakhstan,
Kentucky,
Kirgizstan,
Kriti,
Krym,
Labrador,
Maine,
Mexico Northeast,
Michigan,
Montana,
Morocco,
Netherlands,
Nevada,
New Brunswick,
New Hampshire,
New Mexico,
New York,
Newfoundland,
North Caucasus,
North European Russi,
Northwest European R,
Norway,
Nova Scotia,
Oklahoma,
Ontario,
Oregon,
Pakistan,
Pennsylvania,
Poland,
Portugal,
Québec,
Rhode I.,
Romania,
Saskatchewan,
Sicilia,
South Dakota,
Spain,
Sweden,
Switzerland,
Texas,
Transcaucasus,
Tunisia,
Turkey,
Turkey-in-Europe,
Tuva,
Ukraine,
Utah,
Uzbekistan,
Vermont,
Washington,
West Himalaya,
West Siberia,
Wisconsin,
Wyoming,
Xinjiang,
Yakutskiya,
Yugoslavia
Introduced into:
Argentina South,
Chatham Is.,
Virginia