This name is a synonym of Polypodium appalachianum Haufler & Windham.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 26603685) with original publication details: Fern Bull. 10: 13 1902.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:207776-2.
This name was in version 1 of The Plant List, record tro-26603685, and has not been changed.