You selected Centaurea squarrosa Roth. This is a synonym for:

Accepted scientific name:
Centaurea besseriana DC. (provisionally accepted name)
Synonyms:
Acosta besserana (DC.) Soják (synonym)
Centaurea squarrosa Roth (synonym)
Centaurea virgata Besser (synonym)
Common names: -
Classification:
Plantae
Phylum Magnoliophyta
Class Magnoliopsida
Order Asterales
Family Asteraceae
Genus Centaurea
Distribution: -
Additional data: Data Providers: Govaerts World Compositae Checklist A-G, IPNI, Tropicos, Euro+Med, LCR Editor. GCC LSID: urn:lsid:compositae.org:names:5F0E4559-9D91-46FD-A053-01AE559FA6BC
Source database: GCC, 1 (Beta), Nov 2009
Latest taxonomic scrutiny: Flann C., 16-Oct-09
Online resource: -
CoL taxon LSID: urn:lsid:catalogueoflife.org:taxon:1f2e0758-60a7-102d-be47-00304854f810:ac2010