Centaurea aspera -... en.wikipedia.org

Centaurea aspera - wild in... www.wildflowersprovence.fr

Centaurea aspera subsp.... eol.org

Morphologic, genetic, and... www.nature.com

Rough Star-thistle... www.inaturalist.org

Observation: Centaurea... identify.plantnet.org

Centaurea aspera –... pt.wikipedia.org

Rough star-thistle,... www.alamy.com

Centaurea aspera - wild in... www.wildflowersprovence.fr

Centaurea aspera -... commons.wikimedia.org

Sagebud | Grow Your Garden... sagebud.com

Rough star thistle... www.picturethisai.com

Rough Star-thistle... www.inaturalist.org

Centaurea aspera - wild in... www.wildflowersprovence.fr

File:Centaurea aspera... commons.wikimedia.org

Centaurea aspera - Wikidata... www.wikidata.org

Centaurea aspera subsp.... www.gbif.org

Centaurea aspera - wild in... www.wildflowersprovence.fr

Centaurea aspera L., 1753 -... inpn.mnhn.fr

Observation: Centaurea... identify.plantnet.org