⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-139721, with some changes.
This name is a synonym of Petasites japonicus (Siebold & Zucc.) Maxim..
The record derives from TICA which reports it as a synonym (record E142A016-AC45-499D-8B6B-F35D9200C6FB) with original publication details: "Acta Phytotax. Geobot. 1933, ii. 178" 178 1930.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:237381-1.