Native to:
Alaska,
Albania,
Alberta,
Algeria,
Altay,
Amur,
Arizona,
Arkansas,
Austria,
Baltic States,
Belarus,
Belgium,
British Columbia,
Bulgaria,
Buryatiya,
California,
Central European Rus,
China North-Central,
Chita,
Colorado,
Connecticut,
Czechoslovakia,
Denmark,
East European Russia,
Finland,
Florida,
France,
Germany,
Great Britain,
Greece,
Greenland,
Hungary,
Idaho,
Illinois,
Indiana,
Iowa,
Iran,
Iraq,
Italy,
Kamchatka,
Kansas,
Khabarovsk,
Krasnoyarsk,
Krym,
Kuril Is.,
Labrador,
Libya,
Magadan,
Maine,
Manitoba,
Massachusetts,
Mexico Northeast,
Michigan,
Minnesota,
Mississippi,
Missouri,
Mongolia,
Montana,
Morocco,
Nansei-shoto,
Nebraska,
Netherlands,
Nevada,
New Brunswick,
New Hampshire,
New Jersey,
New Mexico,
New York,
Newfoundland,
North Carolina,
North Caucasus,
North Dakota,
North European Russi,
Northwest European R,
Northwest Territorie,
Nunavut,
Ohio,
Oklahoma,
Ontario,
Oregon,
Pennsylvania,
Poland,
Portugal,
Primorye,
Québec,
Rhode I.,
Romania,
Sakhalin,
Sardegna,
Saskatchewan,
Sicilia,
South Carolina,
South Dakota,
Spain,
Sweden,
Switzerland,
Texas,
Transcaucasus,
Tunisia,
Turkey,
Turkey-in-Europe,
Ukraine,
Utah,
Vermont,
Washington,
West Siberia,
Wisconsin,
Wyoming,
Xinjiang,
Yakutskiya,
Yugoslavia,
Yukon
Introduced into:
Taiwan