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 381203) with original publication details: Bot. California 2: 120 1880.
This name was in version 1 of The Plant List, record kew-2577311, and has not been changed.