This name is a synonym of Epiphyllum phyllanthus (L.) Haw..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 5101935) with original publication details: Bull. Sci. Phys. Nat. Neerl. 1838: 49 1838.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:138322-1.
This name was in version 1 of The Plant List, record tro-5101935.