This name is a synonym of Rhipsalis floccosa subsp. pulvinigera (G. Lindb.) Barthlott & N.P. Taylor.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50039105) with original publication details: Gartenflora 38: 186 1889.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:219341-2.
This name was in version 1 of The Plant List, record tro-50039105, and has not been changed.