Native to:
Alabama,
Amur,
Arkansas,
Assam,
Bangladesh,
Borneo,
Cameroon,
China North-Central,
China South-Central,
China Southeast,
Comoros,
Connecticut,
Delaware,
District of Columbia,
DR Congo,
East Himalaya,
Ethiopia,
Fiji,
Georgia,
Ghana,
Gulf of Guinea Is.,
Hainan,
Hawaii,
Illinois,
India,
Indiana,
Inner Mongolia,
Iowa,
Ivory Coast,
Japan,
Jawa,
Kamchatka,
Kazan-retto,
Kentucky,
Kenya,
Khabarovsk,
Korea,
Kuril Is.,
Laos,
Lesser Sunda Is.,
Liberia,
Louisiana,
Madagascar,
Maine,
Malaya,
Maluku,
Manchuria,
Marquesas,
Maryland,
Massachusetts,
Mauritius,
Michigan,
Minnesota,
Mississippi,
Missouri,
Mozambique,
Myanmar,
Nansei-shoto,
Nepal,
New Brunswick,
New Guinea,
New Hampshire,
New Jersey,
New York,
New Zealand North,
New Zealand South,
Nigeria,
North Carolina,
Nova Scotia,
Ogasawara-shoto,
Ohio,
Ontario,
Pakistan,
Pennsylvania,
Philippines,
Primorye,
Prince Edward I.,
Québec,
Rhode I.,
Rwanda,
Réunion,
Sakhalin,
South Carolina,
Sri Lanka,
Sulawesi,
Sumatera,
Taiwan,
Tanzania,
Tennessee,
Thailand,
Tibet,
Tonga,
Uganda,
Vanuatu,
Vermont,
Vietnam,
Virginia,
West Himalaya,
West Virginia,
Wisconsin,
Zimbabwe
Introduced into:
Azores,
Brazil South,
Brazil Southeast,
Cape Provinces,
Eswatini,
Florida,
KwaZulu-Natal,
Lesotho,
Madeira,
Northern Provinces,
Paraguay,
Switzerland