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 26617187) with original publication details: Contr. U.S. Natl. Herb. 17(7): 597, t. 43 1916.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:206797-2.
This name was in version 1 of The Plant List, record tro-26617187.