⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-129924, with some changes.
This name is a synonym of Carduus defloratus subsp. glaucus (Baumg.) Nyman.
The record derives from TICA which reports it as a synonym (record 527A66AB-7B0F-4BDF-B501-DD6520892B89) with original publication details: 58 1817.