⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-311972, with some changes.
This name is a synonym of Trillium × yezoense .
The record derives from WCSP which reports it as a synonym (record 311972
) with original publication details: Acta Horti Gothob. 25: 167 1962.