This name is a synonym of Pseudotsuga menziesii var. glauca (Beissn.) Franco.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 381201) with original publication details: Handb. Nadelholzk. ed. 2: 110 1909.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:211592-2.
This name was in version 1 of The Plant List, record kew-2577309.