This name is a synonym of Phoradendron californicum Nutt..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50080055) with original publication details: Bull. Torrey Bot. Club 49(12): 349–350 1922.
This name was in version 1 of The Plant List, record tro-50080055.