This name is a synonym of Adiantum henslovianum Hook. f..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 26616480) with original publication details: Trans. Linn. Soc. London 20: 168 1847.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:17012090-1.
This name was in version 1 of The Plant List, record tro-26616480, and has not been changed.