⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record gcc-60770, with some changes.

Cirsium kamtschaticum var. weyrichii (Maxim.) Herder is a synonym of Cirsium kamtschaticum Ledeb. ex DC.

This name is a synonym of Cirsium kamtschaticum Ledeb. ex DC..

The record derives from TICA which reports it as a synonym (record 7514E7C3-3E9D-4E9B-B1EC-A1098EAFC39B) with original publication details: 4 1870.