⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-2999, with some changes.
This name is a synonym of Petasites japonicus .
The record derives from TICA which reports it as a synonym (record 08081261-126D-45F0-9E8D-0590A3811832
) with original publication details: "Flora Japonica, . . ." 314 1784.