This name is a synonym of Parietaria debilis G.Forst..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 33400795) with original publication details: Folia Geobot. Phytotax. 8: 426 1973.
This name was in version 1 of The Plant List, record tro-33400795.