This name is a synonym of Phaeoceros parvulus (Schiffner) J. Haseg..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 35190986) with original publication details: Oesterr. Bot. Z. 49: 391 1899.
This name was in version 1 of The Plant List, record tro-35190986, and has not been changed.