This name is a synonym of Polypodium glycyrrhiza D.C. Eaton.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 26604893) with original publication details: Fl. Alaska Yukon 37(1): 44 1941.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:207797-2.
This name was in version 1 of The Plant List, record tro-26604893.