This name is a synonym of Brachistus nelsonii (Fernald) D'Arcy, J.L.Gentry & Averett.
The record derives from WCSP (in review)
(data supplied on 2012-03-26)
which reports it as a synonym with original publication details: Publ. Carnegie Inst. Wash. 461: 84 1935.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:44972-2.
This name was in version 1 of The Plant List, record kew-2698667.