⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50298246, with some changes.
This name is a synonym of Populus trichocarpa var. ingrata (Jeps.) Parish.
The record derives from Tropicos which reports it as a synonym (record 50298246) with original publication details: Fl. Calif. 1: 346 346 1909.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:208355-2.