You selected Carduus centauroides L. This is a synonym for:

Accepted scientific name:
Rhaponticum centauroides (L.) O.Bolòs (provisionally accepted name)
Synonyms:
Carduus centauroides L. (synonym)
Cnicus centauroides L. (synonym)
Leuzea centauroides (L.) Holub (synonym)
Leuzea cynaroides Font Quer (synonym)
Rhaponticum cynaroides Less. (synonym)
Serratula centauroides (L.) P.Fourn. (synonym)
Serratula cynarifolia Poir. (synonym)
Serratula cynaroides DC. (synonym)
Stemmacantha centauroides (L.) Dittrich (synonym)
Stemmacantha cynaroides Cass. (synonym)
Common names: -
Classification:
Plantae
Phylum Magnoliophyta
Class Magnoliopsida
Order Asterales
Family Asteraceae
Genus Rhaponticum
Distribution: -
Additional data: Data Providers: Govaerts World Compositae Checklist A-G, Euro+Med, LCR Editor. GCC LSID: urn:lsid:compositae.org:names:7D93996C-6C30-45A4-AC2C-1A028A13950E
Source database: GCC, 1 (Beta), Nov 2009
Latest taxonomic scrutiny: Flann C., 13-Nov-09
Online resource: -
CoL taxon LSID: urn:lsid:catalogueoflife.org:taxon:1f50ec14-60a7-102d-be47-00304854f810:ac2010