This name is a synonym of Phoradendron juniperinum A. Gray.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 19100424) with original publication details: Lloydia 4(4): 274 1941.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:194102-2.
This name was in version 1 of The Plant List, record tro-19100424.