⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record gcc-68608, with some changes.

Cirsium esculentum subsp. frickii (Fisch. & C.A.Mey.) Petr. is a synonym of Cirsium rhizocephalum C.A.Mey.

This name is a synonym of Cirsium rhizocephalum C.A.Mey..

The record derives from TICA which reports it as a synonym (record 026DEA70-156C-4D01-ACB5-E0038A485D65) with original publication details: 1912.