C. ACANTHOIDES L.
(incl. C. fortior Klokov)
=C. camporum Boiss.
C. crispus auct., non L.
C. crispus ssp. multiflorus (Gaud.) Franco
? C. murfatlari E.I. Nyárádz. & Prodan
C. velebiticus Borbás
C. ACICULARIS Bertol.
=C. bicolor Vis.
C. ARGEMONE Pourret ex Lam.
=C. hamulosus auct. gall. et hisp., non Ehr.
ssp. ARGEMONE
=C. aretioides auct. pyren., non Vill.
C. defloratus ssp. spinulosus (Bertol.) Nyman
C. defloratus var. medius Fiori & Paoli emend. Gugler [GV]
C. medius auct., non Gouan
C. medius ssp. argemone (Pourret ex Lam.) P.F.
ssp. OBTUSISQUAMUS Franco
=C. cirsioides Vill. nom. illegit.
C. defloratus auct. gall., non L.
C. defloratus auct. mult., non L.
C. defloratus var. cirsioides (Vill. nom. illeg.) D.C. [GV]
C. defloratus ssp. defloratus sensu Kazmi
C. defloratus var. obtusisquamus Franco [GV]
C. AUROSICUS Vill.
C. AUSTRALIS L. fil.
=C. marmoratus Boiss. & Helder
C. pseudosyriacus (Lojac) Nyman
C. pycnocephalus L. ssp. arabicus (Jacq. ex Murray) Nyman
C. CARLINIFOLIUS Lam.
=C. barrelieri Bertol.
C. defloratus ssp. carlinifolius (Lam.) Bonnier
C. defloratus var. carlinaefolius Fiori & Paoli [GV]
C. intricatus Timb. Lagr., non Reichenb. fil.
C. medius Gouan ssp. carlinifolius (Lam.) Kazmi
C. CARLINOIDES Gouan
=C. pyrenaicus (L.) F.W. Schultz non Gouan
ssp. CARLINOIDES
C. CEPHALANTHUS Viv.
=C. congestus Guss.
C. CRISPUS L.
ssp. CRISPUS
=C. agrestis Kerner
C. crispus ssp. agrestis (A.Kerner) Vollmann
C. incanus Klokov
ssp. MULTIFLORUS (Gaudin) Franco
=C. acanthoides ssp. multiflorus (Gaudin) Nyman
C. crispus ssp. occidentalis Chassagne & J.Arčnes
C. multiflorus Gaudin
C. FASCICULIFLORUS Viv.
C. LITIGIOSUS Nocca & Balbis
=C. candollei Moretti
ssp. LITIGIOSUS
=C. candollei ssp. intricatus (Reichenb. fil.) Nyman
C. sanctae-balmae Loisel.
ssp. HORRIDISSIMUS (Briq. & Cavillier) Franco
=C. litigiosus var. horridissimus Briq. & Cav.
C. MEDIUS Gouan
C. ARGEMONE ssp. ARGEMONE x C. CARLINIFOLIUS
=C. defloratus var. medius Fiori & Paoli emend. Gugler [GV]
C. NIGRESCENS Vill.
=C. hamulosus Ehrh. ssp. sinigerus (Jordan) Nyman
C. nigrescens ssp. nigrescens [GV]
C. nigrescens ssp. spiniger (Jordan) P.F.
C. recurvatus Jordan
C. spiniger Jordan
C. NUTANS L.
ssp. NUTANS L.
=C. chrysacanthus Ten. var. leucanthus Willk.
C. phyllolepis Willk.
ssp. ALPICOLA (Gillot) Chassagne & J.Arčnes
=C. nutans ssp. alpinus Chassagne & J.Arčnes
C. PERSONATA (L.) Jacq.
ssp. PERSONATA
C. PYCNOCEPHALUS L.
ssp. PYCNOCEPHALUS
C. RHAETICUS (D.C.) A.Kerner
C. DEFLORATUS ssp. DEFLORATUS x C. CARLINIFOLIUS
=C. defloratus ssp. rhaeticus (D.C.) Rothman
C. defloratus var. rhaeticus D.C. [GV]
C. defloratus ssp. tridentinus (Evers.) Lad.
C. TENUIFLORUS Curtis
=C. malacitansis Boiss. & Reuter
C. sardous D.C.
C. VIVARIENSIS Jordan
ssp. VIVARIENSIS
=C. medius Gouan ssp. matrinii (Timb.-Lagr.) Kazmi
C. nigrescens ssp.matrinii (Timb.-Lagr.) Nyman
C. nigrescens ssp. vivariensis (Jordan) Bonnier & Layens
[GV : (Jordan) Rouy ]
C. seretanus Sennen
ssp. AUSTRALIS Nyman
=C. nigrescens ssp. recurvatus (Jordan) Briq. & Cav.