This name is a synonym of Hatiora gaertneri (Regel) Barthlott.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50163823) with original publication details: Kaktus-ABC 158 1935.
⥇ A cross-taxon basionym link was ignored while processing this record,
see Epiphyllum russellianum var. gaertneri Regel.
This name was in version 1 of The Plant List, record tro-50163823.