This name is a synonym of Exotheca abyssinica (Hochst. ex A.Rich.) Andersson.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 419702) with original publication details: Monogr. Syst. Andropog. du Globe 108 1960.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:405470-1.
This name was in version 1 of The Plant List, record kew-419702, and has not been changed.