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 5100548) with original publication details: Fl. Bras. 4: 298 1890.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:219336-2.
This name was in version 1 of The Plant List, record tro-5100548.