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 F29423CF-2027-46BB-B73A-40F2EE2F1209) with original publication details: 157 1947.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:198111-1.
This name was in version 1 of The Plant List, record gcc-35028.