⚠ Version 1 of The Plant List has been superseded.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

Cirsium tanakae subsp. nikkoense (Nakai ex Matsum. & Koidz.) is a synonym of Cirsium oligophyllum var. nikkoense Kitam.

This name is a synonym of Cirsium oligophyllum var. nikkoense Kitam..

The record derives from TICA which reports it as a synonym (record D3262638-295B-4025-A5C8-B1E3C57BFEF4) with original publication details: 5 1957.