This name is a synonym of Tridactyle tridentata (Harv.) Schltr..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 208632) with original publication details: Bot. Jahrb. Syst. 53: 603 1915.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:660731-1.
This name was in version 1 of The Plant List, record kew-208632, and has not been changed.