⚠ Version 1 of The Plant List has been superseded.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 japonicum in version 1.1 of The Plant List.

Cirsium japonicum subsp. genuinum (Maxim.) is a synonym of Cirsium oligophyllum (Franch. & Sav.) Matsum.

This name is a synonym of Cirsium oligophyllum (Franch. & Sav.) Matsum..

The record derives from TICA which reports it as a synonym (record E728C5F6-9CCF-49EE-901A-C43FB4454D88) with original publication details: Bot. Mag. Tokyo 25: 59 (1911) 59 1911.