⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-136673, with some changes.
This name is a synonym of Petasites japonicus (Siebold & Zucc.).
The record derives from TICA which reports it as a synonym (record 926CF3B5-0FB0-4850-A8F5-ECBB65C04672) with original publication details: 1846.