This name is a synonym of Pilea microphylla (L.) Liebm..
The record derives from WCSP (in review)
(data supplied on 2012-03-26)
which reports it as a synonym with original publication details: Mexic. Neldeagt. Pl. V, 2: 296 1851.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:1075208-2.
This name was in version 1 of The Plant List, record kew-2545256.