This name is a synonym of Lepismium micranthum (Vaupel) Barthlott.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 5101985) with original publication details: Kakteen 2: 82 1926.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:219249-2.
This name was in version 1 of The Plant List, record tro-5101985, and has not been changed.