This name is a synonym of Pseudolmedia laevis (Ruiz & Pav.) J.F.Macbr..
The record derives from WCSP (in review) which reports it as a synonym with original publication details: Ann. Sci. Nat., Bot. III, 8: 131 1847.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:1213426-2.