⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2609699, and has not been changed.
This name is a synonym of Tsuga heterophylla (Raf.) Sarg..
The record derives from WCSP which reports it as a synonym (record 381629) with original publication details: Proc. Hort. Soc. London 3: 149 1863.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:261449-1.