This name is a synonym of Adiantum lunulatum Burm. f..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 26603275) with original publication details: Syn. Fil. 122 1806.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:17008940-1.
This name was in version 1 of The Plant List, record tro-26603275.