This name is a synonym of Phoradendron nigricans Rizzini.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50244459) with original publication details: Rodriguésia 30/31: 187 1956.
This name was in version 1 of The Plant List, record tro-50244459, and has not been changed.