⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-68907, with some changes.
This name is a synonym of Carduus nutans subsp. macrocephalus (Desf.) Nyman.
The record derives from TICA which reports it as a synonym (record 7E914DAA-3A6F-4C6E-9E4B-E255B36182DA) with original publication details: 239 1949.