This name is a synonym of Disocactus nelsonii (Britton & Rose) Linding..
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Tsukkulenty 4: 41 2001 publ. 2002.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:20011265-1.
This name was in version 1 of The Plant List, record kew-2773088.