Native to:
Afghanistan,
Alabama,
Alaska,
Albania,
Alberta,
Algeria,
Altay,
Austria,
Baleares,
Baltic States,
Belarus,
Belgium,
British Columbia,
Bulgaria,
California,
Central European Russia,
Connecticut,
Corse,
Cyprus,
Czechoslovakia,
Delaware,
District of Columbia,
East Aegean Is.,
East European Russia,
Egypt,
Finland,
Florida,
France,
Georgia,
Germany,
Great Britain,
Greece,
Hungary,
Idaho,
Indiana,
Iowa,
Iran,
Ireland,
Italy,
Kansas,
Kazakhstan,
Kirgizstan,
Krasnoyarsk,
Kriti,
Krym,
Lebanon-Syria,
Maine,
Manitoba,
Maryland,
Massachusetts,
Michigan,
Minnesota,
Missouri,
Montana,
Morocco,
Netherlands,
Nevada,
New Brunswick,
New Hampshire,
New Jersey,
New York,
Newfoundland,
North Carolina,
North Dakota,
North European Russia,
Northwest European Russia,
Nova Scotia,
Ohio,
Ontario,
Oregon,
Pennsylvania,
Poland,
Portugal,
Québec,
Rhode I.,
Romania,
Sardegna,
Saskatchewan,
Sicilia,
Sinai,
South Carolina,
South Dakota,
South European Russia,
Spain,
Switzerland,
Transcaucasus,
Tunisia,
Turkey,
Turkey-in-Europe,
Ukraine,
Utah,
Uzbekistan,
Vermont,
Virginia,
Washington,
West Siberia,
West Virginia,
Wisconsin,
Wyoming,
Xinjiang,
Yugoslavia,
Yukon
Introduced into:
Amur,
Argentina Northeast,
Argentina South,
Ascension,
Azores,
Chile Central,
Chile South,
Colorado,
Denmark,
Illinois,
Kentucky,
Khabarovsk,
Labrador,
Magadan,
New Zealand North,
New Zealand South,
Norway,
Primorye,
St.Helena,
Sweden,
Tasmania,
Uruguay,
Yakutskiya