This name is a synonym of Trichomanes angustatum Carmich..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 26606420) with original publication details: Philipp. J. Sci. 67(1): 53 1938.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:262525-2.
This name was in version 1 of The Plant List, record tro-26606420, and has not been changed.