This name is a synonym of Pseudotsuga macrocarpa (Vasey) Mayr.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 386555) with original publication details: Cat. For. Trees U.S. 33 1876.
This name was in version 1 of The Plant List, record kew-2872635, and has not been changed.