This name is a synonym of Fissidens dubius P. Beauv..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 35180758) with original publication details: Bot. Gaz. 22: 50 1896.
This name was in version 1 of The Plant List, record tro-35180758, and has not been changed.