Native to:
Alabama,
Arizona,
Arkansas,
Connecticut,
District of Columbia,
Florida,
Georgia,
Illinois,
Indiana,
Iowa,
Kansas,
Kentucky,
Louisiana,
Maryland,
Mississippi,
Missouri,
Nebraska,
New Brunswick,
New Jersey,
New Mexico,
New York,
North Carolina,
Ohio,
Oklahoma,
Ontario,
Pennsylvania,
Rhode I.,
South Carolina,
Tennessee,
Texas,
Virginia,
West Virginia
Introduced into:
Assam,
Baltic States,
Belgium,
Benin,
Botswana,
Brazil North,
Brazil Northeast,
Brazil South,
Brazil Southeast,
Brazil West-Central,
Bulgaria,
Burkina,
Cambodia,
Cameroon,
Cape Provinces,
Cape Verde,
China North-Central,
China South-Central,
China Southeast,
Colombia,
Cyprus,
Dominican Republic,
East Aegean Is.,
East Himalaya,
Egypt,
France,
Free State,
Germany,
Great Britain,
Guinea,
Hainan,
Haiti,
Hungary,
India,
Inner Mongolia,
Italy,
Ivory Coast,
Japan,
Korea,
KwaZulu-Natal,
Lesotho,
Madagascar,
Mali,
Manchuria,
Mauritania,
Namibia,
Nepal,
New Caledonia,
New Guinea,
New South Wales,
Northern Provinces,
Northern Territory,
Pakistan,
Philippines,
Queensland,
Romania,
Saudi Arabia,
Senegal,
Sicilia,
Sri Lanka,
Switzerland,
Taiwan,
Thailand,
Tibet,
Togo,
Transcaucasus,
Vietnam,
West Himalaya,
Western Australia,
Yugoslavia,
Zaïre,
Zimbabwe