This name is a synonym of Pellaea calomelanos var. swynnertonii (Sim) Schelpe.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50225743) with original publication details: Ferns S. Afr., ed. 2 213, t. 101 1915.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:17286970-1.
This name was in version 1 of The Plant List, record tro-50225743, and has not been changed.