This name is a synonym of Xiphopteris serrulata (Sw.) Kaulf..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 26602752) with original publication details: Amer. Fern J. 68(3): 80 1978.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:62505-2.
This name was in version 1 of The Plant List, record tro-26602752.