Native to:
Central African Repu,
India,
Malawi,
Mozambique,
Tanzania,
Zambia,
Zimbabwe
Introduced into:
Afghanistan,
Alabama,
Angola,
Arkansas,
Austria,
Bangladesh,
Brazil Southeast,
Burundi,
California,
Cambodia,
China South-Central,
China Southeast,
Colorado,
Congo,
Connecticut,
Czechoslovakia,
District of Columbia,
East Himalaya,
Ethiopia,
Florida,
Gambia,
Illinois,
Inner Mongolia,
Iowa,
Kentucky,
Kenya,
Korea,
Laos,
Maine,
Malaya,
Manchuria,
Manitoba,
Maryland,
Massachusetts,
Michigan,
Minnesota,
Mississippi,
Missouri,
Myanmar,
Nebraska,
Nevada,
New Guinea,
New Hampshire,
New Jersey,
New South Wales,
New York,
Nigeria,
North Carolina,
North Dakota,
Ohio,
Ontario,
Oregon,
Pakistan,
Pennsylvania,
Primorye,
Queensland,
Rhode I.,
Saudi Arabia,
Sri Lanka,
Sudan,
Taiwan,
Tasmania,
Tennessee,
Texas,
Thailand,
Togo,
Trinidad-Tobago,
Ukraine,
Vermont,
Victoria,
Vietnam,
Virginia,
Washington,
West Himalaya,
West Virginia,
Western Australia,
Wisconsin,
Zaïre