This name is a synonym of Bidens elgonensis (Sherff) Agnew.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 2B3908F4-2A1C-4051-B3EF-211F0FC4AE6F) with original publication details: 374 1925.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:197999-1.
This name was in version 1 of The Plant List, record gcc-17920.