This name is a synonym of Greenmaniella resinosa (S.Watson) W.M.Sharp.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 2A4C8D21-1010-4A99-B9E8-6B3602A7EB3B) with original publication details: Proc. Amer. Acad. Arts 25 1890.
This name was in version 1 of The Plant List, record gcc-79330, and has not been changed.