This name is a synonym of Phoradendron angustifolium (Kunth) Nutt..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 19101351) with original publication details: Bull. Torrey Bot. Club 54: 472 1927.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:194201-2.
This name was in version 1 of The Plant List, record tro-19101351.