This name is a synonym of Pseudorhipsalis ramulosa (Salm-Dyck) Barthlott.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 5106991) with original publication details: Cact. Gen. Sp. Nov. 75 1839.
This name was in version 1 of The Plant List, record tro-5106991.