This name is a synonym of Crepidomanes melanotrichum (Schltdl.) J.P. Roux.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 26600353) with original publication details: Webbia 12: 127 1955.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:17424630-1.
This name was in version 1 of The Plant List, record tro-26600353.