This name is a synonym of Adiantum monochlamys Eaton.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 26612583) with original publication details: Ann. Sci. Nat., Bot., sér. 5, 15: 229–230 1861.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:17013690-1.
This name was in version 1 of The Plant List, record tro-26612583.