This name is a synonym of Phoradendron laxiflorum Ule.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50245393) with original publication details: Rodriguésia 18/19: 193 1956.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:194146-2.
This name was in version 1 of The Plant List, record tro-50245393, and has not been changed.