Native to:
Alabama,
Alberta,
Arizona,
Arkansas,
British Columbia,
California,
Colorado,
Connecticut,
Delaware,
District of Columbia,
Florida,
Georgia,
Idaho,
Illinois,
Indiana,
Iowa,
Kansas,
Kentucky,
Louisiana,
Maine,
Manitoba,
Maryland,
Massachusetts,
Mexico Central,
Mexico Northeast,
Mexico Northwest,
Mexico Southwest,
Michigan,
Minnesota,
Mississippi,
Missouri,
Montana,
Nebraska,
Nevada,
New Brunswick,
New Hampshire,
New Jersey,
New Mexico,
New York,
Newfoundland,
North Carolina,
North Dakota,
Nova Scotia,
Ohio,
Oklahoma,
Ontario,
Oregon,
Pennsylvania,
Prince Edward I.,
Québec,
Rhode I.,
Saskatchewan,
South Carolina,
South Dakota,
Tennessee,
Texas,
Utah,
Vermont,
Virginia,
Washington,
West Virginia,
Wisconsin,
Wyoming
Introduced into:
Alaska,
Albania,
Altay,
Amur,
Argentina Northeast,
Argentina Northwest,
Argentina South,
Assam,
Austria,
Azores,
Bahamas,
Baleares,
Baltic States,
Bangladesh,
Belarus,
Belgium,
Belize,
Bolivia,
Botswana,
Bulgaria,
Buryatiya,
Canary Is.,
Cape Provinces,
Caprivi Strip,
Central European Russia,
Chile Central,
Chile North,
Chile South,
China North-Central,
China South-Central,
China Southeast,
Chita,
Colombia,
Corse,
Costa Rica,
Cuba,
Cyprus,
Czechoslovakia,
Denmark,
Dominican Republic,
East Aegean Is.,
East European Russia,
East Himalaya,
El Salvador,
Fiji,
Finland,
France,
Free State,
Germany,
Great Britain,
Greece,
Guatemala,
Hainan,
Haiti,
Honduras,
Hungary,
India,
Inner Mongolia,
Ireland,
Irkutsk,
Italy,
Japan,
Jawa,
Kamchatka,
Kazakhstan,
Khabarovsk,
Kirgizstan,
Korea,
Krasnoyarsk,
Krym,
KwaZulu-Natal,
Laos,
Lebanon-Syria,
Lesotho,
Libya,
Madeira,
Magadan,
Manchuria,
Mexico Gulf,
Mexico Southeast,
Morocco,
Mozambique,
Myanmar,
Namibia,
Nepal,
Netherlands,
New South Wales,
New Zealand North,
New Zealand South,
Niue,
North Caucasus,
North European Russia,
Northern Provinces,
Northern Territory,
Northwest Territories,
Norway,
Nunavut,
Pakistan,
Palestine,
Paraguay,
Peru,
Poland,
Portugal,
Primorye,
Qinghai,
Queensland,
Romania,
Sakhalin,
Sardegna,
Sicilia,
South Australia,
South European Russia,
Spain,
Swaziland,
Sweden,
Switzerland,
Tadzhikistan,
Taiwan,
Tasmania,
Thailand,
Tibet,
Transcaucasus,
Trinidad-Tobago,
Tunisia,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Tuva,
Ukraine,
Uruguay,
Uzbekistan,
Victoria,
Vietnam,
West Himalaya,
West Siberia,
Western Australia,
Xinjiang,
Yakutskiya,
Yugoslavia