⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-107259, with some changes.
This name is a synonym of Petasites japonicus subsp. giganteus .
The record derives from TICA which reports it as a synonym and as an illegitimate name (record
133E9580-1877-4025-B4EF-A9AB21C20F97) with original publication details: Razb. Rukop. Socin. F. Schmidta Reis. Amur. Sach. ( date 1866) "17, 212" date 1866.