This name is a synonym of Rhipsalis baccifera subsp. erythrocarpa (K. Schum.) Barthlott.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50102048) with original publication details: Pflanzenw. Ost-Afrikas C: 282 1895.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:138283-1.
This name was in version 1 of The Plant List, record tro-50102048, and has not been changed.