⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-15110, and has not been changed.
This name is a synonym of Aster ageratoides var. firmus (Diels) Hand.-Mazz..
The record derives from TICA which reports it as a synonym (record B978A5C0-05E7-49D1-99BE-1BFCD528593D) with original publication details: Journal of Japanese Botany 19(12): 338 1943.