This name is a synonym of Petasites japonicus subsp. giganteus (F.Schmidt ex Trautv.) Kitam. by Asteraceae.
The record derives from TICA which reports it as a synonym of Petasites japonicus subsp. giganteus (F.Schmidt ex Trautv.) Kitam. (record GCC-9BD6A1DC-0963-4E48-9FC7-2E989BD1A5B7)
