⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2516661, 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 379408
) with original publication details: Trav. Lab. Forest. Toulouse 1(4)24: 8 1948.