This name is a synonym of Adiantum pedatum L..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 26605176) with original publication details: Amer. Fern J. 27: 52 1937.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:5014-2.
This name was in version 1 of The Plant List, record tro-26605176.