This name is a synonym of Cymbopogon traninhensis (A.Camus) Soenarko.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 406143) with original publication details: Bull. Mus. Natl. Hist. Nat. 26: 565 1920.
This name was in version 1 of The Plant List, record kew-406143, and has not been changed.