This name is a synonym of Stachyopsis oblongata (Schrenk) Popov & Vved..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 152348) with original publication details: Enum. Pl. Nov. 1: 29 1841.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:453994-1.
This name was in version 1 of The Plant List, record kew-152348.