⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2516638, with some changes.
This name is a synonym of Tsuga mertensiana subsp. grandicona .
The record derives from WCSP which reports it as a synonym (record 379393
) with original publication details: Trav. Lab. Forest. Toulouse 1(2)15: 4 1936.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:677215-1
.