⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-290659, and has not been changed.

Trillium japonicum (Franch. & Sav.) Matsum. is a synonym of Paris japonica (Franch. & Sav.) Franch.

This name is a synonym of Paris japonica (Franch. & Sav.) Franch..

The record derives from WCSP which reports it as a synonym (record 290659) with original publication details: Nippon Shokubutsumeii ed. 2: 298 1895.