This name is a synonym of Pilea spruceana Wedd..
The record derives from WCSP (in review)
(data supplied on 2012-03-26)
which reports it as a synonym with original publication details: Revis. Gen. Pl. 2: 623 1891.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:5230-2.
This name was in version 1 of The Plant List, record kew-2622699, and has not been changed.