This name is a synonym of Adiantum filiforme Gardner.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50201224) with original publication details: Ark. Bot. 1: 202, pl. 9, f. 5 1903.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:4946-2.
This name was in version 1 of The Plant List, record tro-50201224.