This name is a synonym of Grammitis subsessilis (Baker) C.V. Morton.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 26614773) with original publication details: Amer. Fern J. 81(3): 87 1991.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:1054183-2.
This name was in version 1 of The Plant List, record tro-26614773.