This name is a synonym of Phoradendron berteroanum (DC.) Griseb..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 19101820) with original publication details: Proc. Amer. Acad. Arts 38: 133 1902.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:194044-2.
This name was in version 1 of The Plant List, record tro-19101820.