| Centaurea americana Nutt. | Plectocephalus americana (Nutt.) D. Don | | | Centaurea americanaNutt. | Plectocephalus americana(Nutt.) D. Don |
| Centaurea atacamensis (Reiche) I. M. Johnst. | | a | | Centaurea atacamensis(Reiche) I. M. Johnst. | |
| Centaurea ×aurata Nyar. | | a | | Centaurea aurataNyar. | |
| Centaurea collina L. | | a | | Centaurea collinaL. | |
| Centaurea conifera L. | Rhaponticum coniferum (L.) Greuter | | | Centaurea coniferaL. | Rhaponticum coniferum(L.) Greuter |
| Centaurea cyanus L. | | a | | Centaurea cyanusL. | |
| Centaurea depressa M. Bieb. | | a | | Centaurea depressaM. Bieb. | |
| Centaurea floccosa var. atacamensis Reiche | Centaurea atacamensis (Reiche) I. M. Johnst. | | i | Centaurea floccosavar.atacamensis Reiche | Centaurea atacamensis(Reiche) I. M. Johnst. |
| Centaurea glaberrima Tausch | | a | | Centaurea glaberrimaTausch | |
| Centaurea jacea L. | | a | | Centaurea jaceaL. | |
| Centaurea moschata L. | Amberboa moschata (L.) DC. | | | Centaurea moschataL. | Amberboa moschata(L.) DC. |
| Centaurea ragusina L. | | a | | Centaurea ragusinaL. | |
| Centaurea rhapontica L. | Rhaponticum scariosum Lam. subsp. rhaponticum (L.) Greuter | | | Centaurea rhaponticaL. | Rhaponticum scariosumLam. subsp. rhaponticum (L.) Greuter |
| Centaurea rothrockii Greenm. | Plectocephalus rothrockii (Greenm.) D. J. N. Hind | | | Centaurea rothrockiiGreenm. | Plectocephalus rothrockii(Greenm.) D. J. N. Hind |
| Centaurea rutifolia Sm. | | a | | Centaurea rutifoliaSm. | |
| Centaurea solstitialis L. | | a | | Centaurea solstitialisL. | |
| Centaurea tuberosa Vis. | Centaurea napulifera subsp. tuberosa (Vis.) Dostal | | | Centaurea tuberosaVis. | Centaurea napuliferasubsp. tuberosa (Vis.) Dostal |
| Centaurea verbascifolia Vahl | | a | | Centaurea verbascifoliaVahl | |
| Centaurea dealbata Willd. | Psephellus dealbatus (Willd.) K. Koch | | | Centaurea dealbataWilld. | Psephellus dealbatus(Willd.) K. Koch |
| Centaurea gymnocarpa Moris & De Not. | | a | | Centaurea gymnocarpaMoris & De Not. | |
| Centaurea candidissima Lam. | Centaurea cineraria L. | | | Centaurea candidissimaLam. | Centaurea cinerariaL. |
| Centaurea imperialis Hausskn. ex Bornm. | | a | | Centaurea imperialisHausskn. ex Bornm. | |
| Centaurea cineraria L. | | a | | Centaurea cinerariaL. | |
| Centaurea diffusa Lam. | | a | | Centaurea diffusaLam. | |
| Centaurea maculosa auct. Amer. | Centaurea stoebe L. subsp. australis (Pancic ex A. Kern.) Greuter | | | Centaurea maculosaauct. Amer. | Centaurea stoebeL. subsp. australis (Pancic ex A. Kern.) Greuter |
| Centaurea napulifera subsp. tuberosa (Vis.) Dostal | | a | i | Centaurea napuliferasubsp. tuberosa (Vis.) Dostal | |
| Centaurea nigra L. | | a | | Centaurea nigraL. | |
| Centaurea repens L. | Rhaponticum repens (L.) Hidalgo | | | Centaurea repensL. | Rhaponticum repens(L.) Hidalgo |
| Centaurea spp. | | a | | Centaurea spp. | |
| Centaurea iberica Trevir. ex Spreng. | | a | | Centaurea ibericaTrevir. ex Spreng. | |
| Centaurea virgata Lam. | | a | | Centaurea virgataLam. | |
| Centaurea virgata Lam. subsp. squarrosa (Boiss.) Gugler | | a | i | Centaurea virgataLam. subsp. squarrosa (Boiss.) Gugler | |
| Centaurea calcitrapa L. | | a | | Centaurea calcitrapaL. | |
| Centaurea melitensis L. | | a | | Centaurea melitensisL. | |
| Centaurea sulphurea Willd. | | a | | Centaurea sulphureaWilld. | |
| Centaurea picris Pall. ex Willd. | Rhaponticum repens (L.) Hidalgo | | | Centaurea picrisPall. ex Willd. | Rhaponticum repens(L.) Hidalgo |
| Centaurea squarrosa Willd. | Centaurea virgata Lam. subsp. squarrosa (Boiss.) Gugler | | | Centaurea squarrosaWilld. | Centaurea virgataLam. subsp. squarrosa (Boiss.) Gugler |
| Centaurea macrocephala Muss. Puschk. ex Willd. | | a | | Centaurea macrocephalaMuss. Puschk. ex Willd. | |
| Centaurea montana L. | | a | | Centaurea montanaL. | |
| Centaurea pallescens Delile | | a | | Centaurea pallescensDelile | |
| Centaurea scabiosa L. | | a | | Centaurea scabiosaL. | |
| Centaurea nigrescens Willd. | | a | | Centaurea nigrescensWilld. | |
| Centaurea dubia Suter | Centaurea nigrescens Willd. subsp. transalpina (Schleich. ex DC.) Nyman | | | Centaurea dubiaSuter | Centaurea nigrescensWilld. subsp. transalpina (Schleich. ex DC.) Nyman |
| Centaurea transalpina Schleich. ex DC. | Centaurea nigrescens Willd. subsp. transalpina (Schleich. ex DC.) Nyman | | | Centaurea transalpinaSchleich. ex DC. | Centaurea nigrescensWilld. subsp. transalpina (Schleich. ex DC.) Nyman |
| Centaurea imperialis hort. | Amberboa moschata (L.) DC. | | | Centaurea imperialishort. | Amberboa moschata(L.) DC. |
| Centaurea virgata Lam. subsp. virgata | | a | i | Centaurea virgataLam. subsp. virgata | |
| Centaurea montana L. var. alba hort. | Centaurea montana L. | | i | Centaurea montanaL. var.alba hort. | Centaurea montanaL. |
| Centaurea scabiosa L. var. vertesensis (Boros) Soo | Centaurea scabiosa L. | | i | Centaurea scabiosaL. var.vertesensis (Boros) Soo | Centaurea scabiosaL. |
| Centaurea orientalis L. | | a | | Centaurea orientalisL. | |
| Centaurea virgata Lam. var. squarrosa Boiss. | Centaurea virgata Lam. subsp. squarrosa (Boiss.) Gugler | | i | Centaurea virgataLam. var.squarrosa Boiss. | Centaurea virgataLam. subsp. squarrosa (Boiss.) Gugler |
| Centaurea candidissima hort. | Centaurea ragusina L. | | | Centaurea candidissimahort. | Centaurea ragusinaL. |
| Centaurea debeauxii Godr. & Gren. | | a | | Centaurea debeauxiiGodr. & Gren. | |
| Centaurea uniflora Turra | | a | | Centaurea unifloraTurra | |
| Centaurea triumfettii All. | | a | | Centaurea triumfettiiAll. | |
| Centaurea pratensis Thuill. | Centaurea jacea L. | | | Centaurea pratensisThuill. | Centaurea jaceaL. |
| Centaurea biebersteinii DC. | Centaurea stoebe L. subsp. australis (Pancic ex A. Kern.) Greuter | | | Centaurea biebersteiniiDC. | Centaurea stoebeL. subsp. australis (Pancic ex A. Kern.) Greuter |
| Centaurea aspera L. | | a | | Centaurea asperaL. | |
| Centaurea moschata L. var. amberboi L. | Amberboa amberboi (L.) Tzvelev | | i | Centaurea moschataL. var.amberboi L. | Amberboa amberboi(L.) Tzvelev |
| Centaurea amberboi (L.) Lam. | Amberboa amberboi (L.) Tzvelev | | | Centaurea amberboi(L.) Lam. | Amberboa amberboi(L.) Tzvelev |
| Centaurea suaveolens Willd. | Amberboa amberboi (L.) Tzvelev | | | Centaurea suaveolensWilld. | Amberboa amberboi(L.) Tzvelev |
| Centaurea stoebe L. | | a | | Centaurea stoebeL. | |
| Centaurea stoebe L. subsp. stoebe | | a | i | Centaurea stoebeL. subsp. stoebe | |
| Centaurea stoebe L. subsp. micranthos (Gugler) Hayek | Centaurea stoebe L. subsp. australis (Pancic ex A. Kern.) Greuter | | i | Centaurea stoebeL. subsp. micranthos (Gugler) Hayek | Centaurea stoebeL. subsp. australis (Pancic ex A. Kern.) Greuter |
| Centaurea maculosa Lam. subsp. micranthos Gugler | Centaurea stoebe L. subsp. australis (Pancic ex A. Kern.) Greuter | | i | Centaurea maculosaLam. subsp. micranthos Gugler | Centaurea stoebeL. subsp. australis (Pancic ex A. Kern.) Greuter |
| Centaurea stoebe L. subsp. serbica (Prodan) Ochsmann | | a | i | Centaurea stoebeL. subsp. serbica (Prodan) Ochsmann | |
| Centaurea affinis Friv. subsp. serbica Prodan | Centaurea stoebe L. subsp. serbica (Prodan) Ochsmann | | i | Centaurea affinisFriv. subsp. serbica Prodan | Centaurea stoebeL. subsp. serbica (Prodan) Ochsmann |
| Centaurea maculosa Lam. | Centaurea stoebe L. subsp. stoebe | | | Centaurea maculosaLam. | Centaurea stoebeL. subsp. stoebe |
| Centaurea virgata auct. Amer. | Centaurea virgata Lam. subsp. squarrosa (Boiss.) Gugler | | | Centaurea virgataauct. Amer. | Centaurea virgataLam. subsp. squarrosa (Boiss.) Gugler |
| Centaurea ×moncktonii C. E. Britton | | a | | Centaurea moncktoniiC. E. Britton | |
| Centaurea pratensis auct. N. Amer. | Centaurea ×moncktonii C. E. Britton | | | Centaurea pratensisauct. N. Amer. | Centaurea moncktoniiC. E. Britton |
| Centaurea albonitens Turrill | | a | | Centaurea albonitensTurrill | |
| Centaurea carthamoides (DC.) Sch. Bip. | Centaurea albonitens Turrill | | | Centaurea carthamoides(DC.) Sch. Bip. | Centaurea albonitensTurrill |
| Centaurea cyanoides J. Berggr. & Wahlenb. | | a | | Centaurea cyanoidesJ. Berggr. & Wahlenb. | |
| Centaurea benedicta (L.) L. | | a | | Centaurea benedicta(L.) L. | |
| Centaurea nigrescens Willd. subsp. nigrescens | | a | i | Centaurea nigrescensWilld. subsp. nigrescens | |
| Centaurea nigrescens Willd. subsp. transalpina (Schleich. ex DC.) Nyman | | a | i | Centaurea nigrescensWilld. subsp. transalpina (Schleich. ex DC.) Nyman | |
| Centaurea stoebe L. subsp. australis (Pancic ex A. Kern.) Greuter | | a | i | Centaurea stoebeL. subsp. australis (Pancic ex A. Kern.) Greuter | |
| Centaurea australis Pancic ex A. Kern. | Centaurea stoebe L. subsp. australis (Pancic ex A. Kern.) Greuter | | | Centaurea australisPancic ex A. Kern. | Centaurea stoebeL. subsp. australis (Pancic ex A. Kern.) Greuter |
| Centaurea balearica J. J. Rodr. | Carduncellus balearicus (J. J. Rodr.) G. Lopez | | | Centaurea balearicaJ. J. Rodr. | Carduncellus balearicus(J. J. Rodr.) G. Lopez |
| Centaurea pulcherrima Willd. | Psephellus pulcherrima (Willd.) Wagenitz | | | Centaurea pulcherrimaWilld. | Psephellus pulcherrima(Willd.) Wagenitz |
| Centaurea tougourensis Boiss. & Reut. | | a | | Centaurea tougourensisBoiss. & Reut. | |
| Centaurea phrygia L. | | a | | Centaurea phrygiaL. | |
| Centaurea nemoralis Jord. | | a | | Centaurea nemoralisJord. | |