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CCDB → Angiosperms → Compositae → Centaurea → Centaurea calcitrapa M. Bieb.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Centaurea calcitrapa M. Bieb. | Centaurea calcitrapa M. Bieb. | 20 | flora of NW Europe | http://wbd.etibioinformatics.nl/bis/flora.php?selected=beschrijving&menuentry=soorten&id=3873 | ||
| ! | Centaurea calcitrapa M. Bieb. | Centaurea calcitrapa M. Bieb. | 20 | Darlington, 1955 | Vignoli 1945b |