This name is a synonym of Eustachys calvescens (Hack.) Caro & E.A.Sánchez.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 404713) with original publication details: Bull. Herb. Boissier II, 4: 279 1904.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:56874-2.
This name was in version 1 of The Plant List, record kew-404713, and has not been changed.