⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-137175, with some changes.
This name is a synonym of Carduus spachianus subsp. megalatlanticus .
The record derives from TICA which reports it as a synonym (record B09F3572-4054-4ADB-BB8F-EDE444204D6B
) with original publication details: 192 1932.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:188822-1
.