This name is a synonym of Lagenophora barkeri Kirk.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 71A841C0-6D67-4F1D-9199-074F362F2D56).
This name record (from TICA) was not included in version 1 of The Plant List. It is possible the same name was included from a different data source, to check this you can search for Lagenophora barkeri in version 1 of The Plant List.