⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-143047, 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 6BDD2BCC-E079-48D6-8A9F-FB03D84A954C) with original publication details: Ann. Mus. Bot. Lugduno-Batavi ii. 168 168 1866.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:237411-1.