⚠ Version 1 of The Plant List has been superseded.

This name record (from TICA) is not included in version 1.1 of The Plant List. It is possible the same name is included from a different data source, to check this you can search for Cirsium sieboldii in version 1.1 of The Plant List.

Cirsium sieboldii subsp. austrokiushianum (Kitam.) is a synonym of Cirsium sieboldii Miq.

This name is a synonym of Cirsium sieboldii Miq..

The record derives from TICA which reports it as a synonym (record E999EE52-7811-4C7D-B554-3A6FCFCDEE80).