Native to:
Afghanistan,
Alabama,
Alaska,
Albania,
Alberta,
Algeria,
Altay,
Amur,
Arizona,
Arkansas,
Austria,
Baltic States,
Bangladesh,
Belarus,
Belgium,
British Columbia,
Bulgaria,
Buryatiya,
California,
Central European Rus,
China North-Central,
China South-Central,
China Southeast,
Chita,
Colorado,
Connecticut,
Czechoslovakia,
Delaware,
Denmark,
District of Columbia,
East European Russia,
Finland,
Florida,
France,
Georgia,
Germany,
Great Britain,
Greece,
Hungary,
Idaho,
Illinois,
India,
Indiana,
Inner Mongolia,
Iowa,
Iran,
Ireland,
Irkutsk,
Italy,
Japan,
Kamchatka,
Kansas,
Kazakhstan,
Kentucky,
Kenya,
Khabarovsk,
Kirgizstan,
Krasnoyarsk,
Krym,
Kuril Is.,
Louisiana,
Magadan,
Maine,
Manchuria,
Manitoba,
Maryland,
Massachusetts,
Mexico Central,
Mexico Northeast,
Mexico Southwest,
Michigan,
Minnesota,
Mississippi,
Missouri,
Mongolia,
Montana,
Morocco,
Myanmar,
Nebraska,
Netherlands,
Nevada,
New Guinea,
New Hampshire,
New Jersey,
New Mexico,
New South Wales,
New York,
Norfolk Is.,
North Carolina,
North Caucasus,
North Dakota,
North European Russi,
Northern Territory,
Northwest European R,
Norway,
Ohio,
Oklahoma,
Ontario,
Oregon,
Pakistan,
Palestine,
Pennsylvania,
Philippines,
Poland,
Portugal,
Primorye,
Queensland,
Québec,
Rhode I.,
Romania,
Sakhalin,
Sardegna,
Saskatchewan,
Sicilia,
South Australia,
South Carolina,
South Dakota,
South European Russi,
Spain,
Sumatera,
Sweden,
Switzerland,
Tadzhikistan,
Taiwan,
Tanzania,
Tasmania,
Tennessee,
Texas,
Transcaucasus,
Turkey,
Turkey-in-Europe,
Tuva,
Uganda,
Ukraine,
Utah,
Uzbekistan,
Vermont,
Victoria,
Virginia,
Washington,
West Himalaya,
West Siberia,
West Virginia,
Western Australia,
Wisconsin,
Wyoming,
Xinjiang,
Yakutskiya,
Yugoslavia,
Yukon
Introduced into:
Cuba