This name is a synonym of Trematodon ambiguus (Hedw.) Hornsch..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 35120274) with original publication details: J. Bot. (Morot) 12: 282 1898.
This name was in version 1 of The Plant List, record tro-35120274, and has not been changed.