This name is a synonym of Stereochilus ringens (Rchb.f.) Garay.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 41936) with original publication details: Gard. Chron. III, 1888(2): 724 1888.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:623535-1.
This name was in version 1 of The Plant List, record kew-41936, and has not been changed.