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- Compositae (33 071)
- Subfamily Asteroideae (Cass.) Lindl. (19 091)
- Subfamily Baccharidoideae Burmeist. accepted as Asteroideae (Cass.) Lindl.
- Subfamily Barnadesioideae (Benth. & Hook.) K.Bremer & R.K.Jansen accepted as Barnadesioideae (D.Don) Bremer & Jansen
- Subfamily Barnadesioideae (D.Don) Bremer & Jansen (88)
- Subfamily Carduoideae Cass. ex Sweet (3 634)
- Tribe Cardueae Cass. (3 610)
- Subtribe Arctiinae Garcia-Jacas & Susanna (718)
- Subtribe Berardiinae Garcia-Jacas & Susanna (1)
- Subtribe Cardopatiinae Less. (3)
- Subtribe Carduinae Dumort. (678)
- Genus ×Carduogalactites P.Fourn. (1)
- Genus ×Cirsio-carduus P.Fourn. (5)
- Genus Acarna Hill accepted as Cirsium Mill.
- Genus Acarna Vaill. accepted as Picnomon Adans.
- Genus Acroptilon Cass. accepted as Leuzea DC.
- Genus Afrocarduus (Kazmi) Garcia-Jacas, Moreyra & Susanna (10)
- Genus Afrocirsium Calleja, Garcia-Jacas, Moreyra & Susanna (3)
- Genus Arcyna Wiklund accepted as Cynara L.
- Genus Ascalea Hill accepted as Carduus L.
- Genus Bourgaea Coss. accepted as Cynara L.
- Genus Breea Less. accepted as Cirsium Mill. (1)
- Genus Carduus L. (124)
- Section Carduus sect. Tomentosi Devesa & Talavera
- Subsection Carduus subsect. Onopordioides Porten.
- Aggr. Carduus bourgeanus aggr.
- Species Carduus ×borderi Rouy accepted as Carduocirsium borderei (Rouy) P.Fourn.
- Species Carduus ×gillottii
- Species Carduus ×nyaradyanus Degen ex Nyár.
- Species Carduus abruzzensis Arènes
- Species Carduus abyssinicus Sch.Bip. accepted as Carduus leptacanthus Fresen.
- Species Carduus acanthifolius Lam. accepted as Cirsium oleraceum (L.) Scop.
- Species Carduus acanthium (L.) Baill. accepted as Onopordum acanthium L.
- Species Carduus acanthocephalus C.A.Mey.
- Species Carduus acanthoides L.
- Species Carduus acanthoides Gren. & Godr.
- Species Carduus acanthoides Pall. ex M.Bieb.
- Species Carduus acanthoides Huds.
- Species Carduus acanthoides d'Urv.
- Species Carduus acanthoides Hornem.
- Species Carduus acantholepis Benth. accepted as Alfredia acantholepis Kar. & Kir.
- Species Carduus acantholepis (Hemsl.) Greene accepted as Cirsium acantholepis (Hemsl.) Petr.
- Species Carduus acarna L. accepted as Picnomon acarna (L.) Cass.
- Species Carduus acaule
- Species Carduus acaulescens (A.Gray) Rydb. accepted as Cirsium scariosum var. americanum (A.Gray) D.J.Keil
- Species Carduus acaulis Thunb.
- Species Carduus acaulis L. accepted as Cirsium acaulon (L.) Scop.
- Species Carduus acicularis Bertol.
- Species Carduus acuatus Osterh. accepted as Cirsium acutatum
- Species Carduus acuminatus Gaud. ex Rchb. accepted as Carduus acanthoides L.
- Species Carduus adpressus C.A.Mey.
- Species Carduus aemilii Briq. & Cavill. accepted as Carduus puechii Coste
- Species Carduus afer Jacq. accepted as Ptilostemon afer (Jacq.) Greuter
- Species Carduus affinis Guss.
- Species Carduus afromontanus R.E.Fr. accepted as Afrocarduus afromontanus (R.E.Fr.) Garcia-Jacas, Moreyra & Susanna
- Species Carduus aggregatus Schleich. accepted as Carduus nutans subsp. platypus (Lange) Greuter
- Species Carduus agrestis C.Presl accepted as Carduus corymbosus Ten.
- Species Carduus agrestis Kern. accepted as Carduus crispus L.
- Species Carduus aitonii Raeusch.
- Species Carduus alatus D.Don accepted as Jurinea alata (Desf.) Cass.
- Species Carduus albescens Rouy
- Species Carduus albidus Lam. accepted as Carduus pycnocephalus subsp. albidus (M.Bieb.) Kazmi
- Species Carduus albidus M.Bieb. accepted as Carduus pycnocephalus subsp. albidus (M.Bieb.) Kazmi
- Species Carduus algeriensis Munby accepted as Onopordum algeriense (Munby) Pomel
- Species Carduus alleizettei Arènes
- Species Carduus alpestris Willd. accepted as Carduus carduelis (L.) Gren.
- Species Carduus alpestris Waldst. & Kit. accepted as Carduus carduelis (L.) Gren.
- Species Carduus alpicola Gillot accepted as Carduus nutans subsp. alpicola (Gillot) Chass. & Arènes
- Species Carduus altaicus Patrin ex S.G.Gmel. accepted as Serratula marginata Tausch
- Species Carduus altaicus Patrin ex DC. accepted as Serratula marginata Tausch
- Species Carduus altissimus Gilib.
- Species Carduus altissimus L. accepted as Cirsium altissimum (L.) Hill
- Species Carduus amansii Boreau ex Debeaux accepted as Carduus nutans subsp. leiophyllus (Petrovič) Stoj. & Stef.
- Species Carduus amanus Rech.f.
- Species Carduus ambiguus Pers. accepted as Cirsium heterophyllum (L.) Hill
- Species Carduus americanus (A.Gray) Rydb. accepted as Cirsium scariosum var. americanum (A.Gray) D.J.Keil
- Species Carduus americanus (A.Gray) Greene accepted as Cirsium scariosum (Poir.) Nutt.
- Species Carduus ammophilus Hoffmanns. & Link accepted as Carduus meonanthus Hoffmanns. & Link
- Species Carduus amplexicaulis Noronha accepted as Sonchus oleraceus L.
- Species Carduus amplifolius (Greene) Greene
- Species Carduus amsteinii Brügger accepted as Carduus moritzii Brügger
- Species Carduus andersonii (A.Gray) Greene accepted as Cirsium andersonii (A.Gray) Petr.
- Species Carduus andrewsii (A.Gray) Greene accepted as Cirsium andrewsii (A.Gray) Jeps.
- Species Carduus anglicus Lam. accepted as Cirsium dissectum (L.) Hill
- Species Carduus angusticeps H.Lindb.
- Species Carduus angustifolius Lam. accepted as Cirsium angustifolium (Lam.) DC.
- Species Carduus antarcticus Auct. ex Steud.
- Species Carduus appeninus Jan ex DC. accepted as Carduus nutans subsp. platypus (Lange) Greuter
- Species Carduus arabicus Jacq.
- Species Carduus arabicus Jacq. ex Murray accepted as Carduus pycnocephalus subsp. marmoratus (Boiss. & Heldr.) P.H.Davis
- Species Carduus arachnoideus M.Bieb. ex Steud. accepted as Cirsium arachnoideum (M.Bieb.) M.Bieb.
- Species Carduus aragonensis Devesa & Talavera
- Species Carduus araneosus Osterh.
- Species Carduus araneosus Steud. accepted as Cirsium araneosum (Desf. ex A.DC.) Steud.
- Species Carduus arctioides (Scop.) Willd. accepted as Carduus carduelis (L.) Gren.
- Species Carduus arctioides Vill. accepted as Carduus personata (L.) Jacq.
- Species Carduus arenarius Desf. accepted as Onopordum arenarium (Desf.) Pomel
- Species Carduus arenarius DC. accepted as Carduus litigiosus Nocca & Balb.
- Species Carduus argemone Pourr.
- Subspecies Carduus argemone subsp. argemone Pourr.
- Subspecies Carduus argemone subsp. obtusisquamus Franco
- Species Carduus argemone Lam. accepted as Carduus defloratus subsp. argemone (Lam.) Ces.
- Species Carduus argemonoides Rouy
- Species Carduus argentatus L.
- Species Carduus argentatus Willd. ex Steud. accepted as Carduus cephalanthus Viv.
- Species Carduus argiroa Nyman accepted as Carduus tenuiflorus Curtis
- Species Carduus argutus Sweet accepted as Serratula tinctoria L.
- Species Carduus argyracanthus Wall. accepted as Cirsium argyracanthum DC.
- Species Carduus argyroa Biv.
- Species Carduus argyroa Kunze accepted as Carduus tenuiflorus Curtis
- Species Carduus arizonicus (A.Gray) Greene accepted as Cirsium arizonicum (A.Gray) Petr.
- Species Carduus armatus Steud. accepted as Cirsium ligulare subsp. armatum (Velen.) Petr.
- Species Carduus armatus Boiss. & Heldr. accepted as Carduus tmoleus Boiss.
- Species Carduus armenus Boiss. accepted as Carduus nutans L.
- Species Carduus arvaticus Font Quer & Rothm.
- Species Carduus arvensis Robs.
- Species Carduus arvensis (L.) Robson accepted as Cirsium arvense (L.) Scop.
- Species Carduus aschersonianus Ruhmer accepted as Carduus leptocephalus Peterm.
- Species Carduus assoi Willk. accepted as Carduus nigrescens subsp. vivariensis (Jord.) Bonnier & Layens
- Species Carduus assoi (Willk.) Devesa & Talavera accepted as Carduus nigrescens subsp. assoi Willk.
- Species Carduus astracanicus Spreng. accepted as Cousinia astracanica (Spreng.) Tamamsch.
- Species Carduus asturicus Franco
- Species Carduus atlanticus Pomel accepted as Carduus nutans subsp. macrocephalus (Desf.) Nyman
- Species Carduus atlantis Humbert & Maire accepted as Carduus spachianus subsp. atlantis (Humbert & Maire) Greuter
- Species Carduus atriplicifolius Fisch. ex Hornem. accepted as Synurus deltoides (Aiton) Nakai
- Species Carduus atriplicifolius Fisch. ex Trevir. accepted as Synurus deltoides (Aiton) Nakai
- Species Carduus atropatanicus Sosn. ex Grossh. accepted as Carduus onopordioides subsp. atropatanicus (Sosn. ex Grossh.) Greuter
- Species Carduus attenuatus Klokov accepted as Carduus nutans subsp. leiophyllus (Petrovič) Stoj. & Stef.
- Species Carduus attractylis Garsault accepted as Carthamus lanatus L.
- Species Carduus auriculatus Wall. accepted as Himalaiella auriculata (DC.) Raab-Straube
- Species Carduus auroficus Chaix
- Species Carduus aurosicus Vill.
- Species Carduus aurosicus Chaix
- Species Carduus australis Jord. accepted as Carduus nigrescens subsp. australis (Nyman) Greuter
- Species Carduus australis L.f. accepted as Carduus pycnocephalus subsp. marmoratus (Boiss. & Heldr.) P.H.Davis
- Species Carduus austrinus Small
- Species Carduus autareticus Vill. accepted as Cirsium heterophyllum (L.) Hill
- Species Carduus axillaris Gaudin accepted as Carduus defloratus L.
- Species Carduus baeocephalus Webb
- Species Carduus baeticus Boiss. & Reut. accepted as Carduus meonanthus Hoffmanns. & Link
- Species Carduus balansae Boiss. accepted as Carduus myriacanthus Salzm. ex DC.
- Species Carduus baldschuanicus C.Winkl. accepted as Olgaea baldschuanica (C.Winkl.) Iljin
- Species Carduus ballii Hook.f. accepted as Carduus nutans subsp. subacaulis Arènes
- Species Carduus barrelieri Bertol. accepted as Carduus defloratus subsp. carlinifolius (Lam.) Ces.
- Species Carduus barrelieri Bertol. ex Nyman accepted as Carduus defloratus subsp. glaucus (Baumg.) Nyman
- Species Carduus beckerianus Tamamsch. accepted as Carduus pycnocephalus subsp. cinereus (M.Bieb.) P.H.Davis
- Species Carduus beckianus Soó accepted as Carduus juratzkae Beck
- Species Carduus benedictus (L.) Thell. accepted as Centaurea benedicta (L.) L.
- Species Carduus benedictus (L.) Garsault accepted as Centaurea benedicta (L.) L.
- Species Carduus benedictus Steud. accepted as Centaurea benedicta (L.) L.
- Species Carduus bergadensis Sennen
- Species Carduus bernardinus Greene accepted as Cirsium occidentale var. californicum (A.Gray) D.J.Keil & C.E.Turner
- Species Carduus bicolor Vis. accepted as Carduus acicularis Bertol.
- Species Carduus bicolorifolius Klokov accepted as Carduus personata subsp. albidus (Adamović) Kazmi
- Species Carduus bihariensis Simonk. accepted as Carduus fallax Borbás
- Species Carduus bipinnatus (Eastw.) A.Heller accepted as Cirsium calcareum (M.E.Jones) Wooton & Standl.
- Species Carduus blepharolepis Chiov. accepted as Carduus ruwenzoriensis S.Moore
- Species Carduus borbasii Javorka
- Species Carduus borderi Rouy
- Species Carduus boujarti Piller & Mitterp.
- Species Carduus boujarti Savi accepted as Cirsium ferox (L.) DC.
- Species Carduus boujartii Piller & Mitterp. accepted as Cirsium boujartii (Piller & Mitterp.) Sch.Bip.
- Species Carduus bourgaeanus Sch.Bip. ex Boiss. & Reut.
- Species Carduus bourgaei Kazmi
- Species Carduus bourgeaenus Sch.Bip. ex Boiss.
- Species Carduus brachycephalus Schur accepted as Carduus collinus Waldst. & Kit.
- Species Carduus brevisquamus (Fiori) Sommier accepted as Carduus pycnocephalus subsp. marmoratus (Boiss. & Heldr.) P.H.Davis
- Species Carduus breweri (A.Gray) Greene accepted as Cirsium douglasii var. breweri (A.Gray) D.J.Keil & C.E.Turner
- Species Carduus broteroi (Mariz) Welw. ex Cout. accepted as Carduus lusitanicus subsp. broteroi (Welw. ex Mariz) Devesa & Talavera
- Species Carduus brownii Eastw.
- Species Carduus brownii Eastw. ex A.Heller
- Species Carduus brunneri Döll
- Species Carduus brutius Porta accepted as Carduus affinis subsp. brutius (Porta) Kazmi
- Species Carduus brutius Huter, Porta & Rigo accepted as Carduus affinis subsp. brutius (Porta) Kazmi
- Species Carduus budaianus Jáv.
- Species Carduus budaianus Javorka.
- Species Carduus bulbosus Lam. accepted as Cirsium tuberosum (L.) All.
- Species Carduus bunbergii Hausm. ex Kern.
- Species Carduus burnatii Genty accepted as Carduus moritzii Brügger
- Species Carduus butaguensis De Wild. accepted as Carduus ruwenzoriensis S.Moore
- Species Carduus butleri Rydb. accepted as Cirsium scariosum var. scariosum Nutt.
- Species Carduus cadevallii Sennen
- Species Carduus caeruleus Brot.
- Species Carduus caesius Andrz. ex Trautv.
- Species Carduus caflischii Brügger accepted as Carduus dubius Balb.
- Species Carduus calabricus Arènes
- Species Carduus calcareus (M.E.Jones) A.Heller accepted as Cirsium calcareum (M.E.Jones) Wooton & Standl.
- Species Carduus californicus (A.Gray) Greene accepted as Cirsium occidentale var. californicum (A.Gray) D.J.Keil & C.E.Turner
- Species Carduus callilepis Greene accepted as Cirsium remotifolium var. odontolepis Petr.
- Species Carduus callosus Steud. accepted as Cirsium callosum
- Species Carduus camplonensis Devesa & Talavera
- Species Carduus camporum Boiss. accepted as Carduus acanthoides L.
- Species Carduus canaliculatus Dulac accepted as Carduus chrysacanthus Ten.
- Species Carduus candicans Waldst. & Kit.
- Species Carduus candicans W. & K.
- Species Carduus candidissimus Greene accepted as Cirsium occidentale var. candidissimum (Greene) J.F.Macbr.
- Species Carduus candissimus Greene
- Species Carduus candollei Moretti accepted as Carduus litigiosus Nocca & Balb.
- Species Carduus canduelis Gren.
- Species Carduus canovirens Rydb. accepted as Cirsium cymosum var. canovirens (Rydb.) D.J.Keil
- Species Carduus cantabricus Devesa & Talavera
- Species Carduus canus L. accepted as Dasyphyllum tomentosum var. tomentosum
- Species Carduus carduelis (L.) Gren.
- Species Carduus cardunculus (L.) Baill. accepted as Cynara cardunculus L.
- Species Carduus carlinifolius Nyman
- Species Carduus carlinifolius Ten.
- Species Carduus carlinifolius Ten. accepted as Carduus chrysacanthus Ten.
- Species Carduus carlinifolius Lam. accepted as Carduus defloratus subsp. carlinifolius (Lam.) Ces.
- Species Carduus carlinifolius Nyman accepted as Carduus defloratus L.
- Species Carduus carlinoides Gouan
- Species Carduus carlinoides Durieu ex DC. accepted as Carduus argyroa Biv.
- Species Carduus carlinoides Steud. accepted as Leuzea carthamoides Willd.
- Species Carduus carlinoides Ten. accepted as Carduus chrysacanthus Ten.
- Species Carduus carniolicus Rechinger accepted as Carduus orthocephalus Wallr.
- Species Carduus carniolicus Pers. accepted as Cirsium carniolicum subsp. rufescens (Ramond ex DC.) P.Fourn.
- Species Carduus carolinianus Walter accepted as Cirsium carolinianum (Walter) Fernald & B.G.Schub.
- Species Carduus carolorum Howie & Jenner
- Species Carduus carpetanus Boiss. & Reut.
- Species Carduus carthamoides Steud. accepted as Leuzea carthamoides Willd.
- Species Carduus casabonae L. accepted as Ptilostemon casabonae (L.) Greuter
- Species Carduus caucasicus Adams accepted as Cirsium caucasicum Petr.
- Species Carduus caulescens Pers. ex Steud. accepted as Cirsium acaulon (L.) Scop.
- Species Carduus cebennensis Rouy accepted as Carduus nigrescens subsp. vivariensis (Jord.) Bonnier & Layens
- Species Carduus centaureae Rydb. accepted as Cirsium scariosum var. americanum (A.Gray) D.J.Keil
- Species Carduus centauroides D.Don
- Species Carduus centauroides Buch.-Ham. ex DC.
- Species Carduus centauroides L. accepted as Rhaponticum centauroides (L.) O.Bolòs
- Species Carduus centifolius R.E.Fr. accepted as Carduus millefolius R.E.Fr.
- Species Carduus cephalanthus Viv.
- Species Carduus ceretanus Sennen accepted as Carduus nigrescens subsp. vivariensis (Jord.) Bonnier & Layens
- Species Carduus cerinthifolius Vill. accepted as Klasea nudicaulis (L.) Fourr.
- Species Carduus cerinthoides Willd. accepted as Klasea nudicaulis (L.) Fourr.
- Species Carduus cernuus L.
- Species Carduus cernuus (L.) Patrin ex Ledeb. accepted as Alfredia cernua (L.) Cass.
- Species Carduus cernuus Steud. accepted as Alfredia cernua (L.) Cass.
- Species Carduus cernuus Bertol. accepted as Lycoseris crocata (Bertol.) S.F.Blake
- Species Carduus chailleti Godr. accepted as Cirsium palustre (L.) Coss. ex Scop.
- Species Carduus chamaecephalus (Vatke) Oliv. & Hiern accepted as Carduus schimperi subsp. schimperi Sch.Bip.
- Species Carduus chevallieri Barratte ex L.Chevall.
- Species Carduus chevallieri Barratte ex Chevall.
- Species Carduus chinensis DC. accepted as Cirsium vulgare (Savi) Ten.
- Species Carduus chius Jacq. accepted as Cirsium chium (Jacq.) Boiss.
- Species Carduus chouletteanus (Pomel) Batt. accepted as Carthamus chouletteanus (Pomel) Greuter
- Species Carduus chrysacanthus Ten.
- Species Carduus cichoraceus Cirillo
- Species Carduus cichoraceus Cirillo accepted as Klasea flavescens subsp. cichoracea (L.) Greuter & Wagenitz
- Species Carduus ciliatus Pourr. ex Willk. & Lange
- Species Carduus ciliatus Murr.
- Species Carduus ciliatus Murray accepted as Cirsium ciliatum (Murray) Moench
- Species Carduus ciliatus Vill. accepted as Cirsium spathulatum (Moretti) Gaudin
- Species Carduus ciliolatus (L.F.Hend.) A.Heller accepted as Cirsium ciliolatum (L.F.Hend.) J.T.Howell
- Species Carduus cinerascens Hort.Huber
- Species Carduus cinerescens Huber
- Species Carduus cinerescens C.Huber
- Species Carduus cinereus M.Bieb. accepted as Carduus pycnocephalus subsp. cinereus (M.Bieb.) P.H.Davis
- Species Carduus cirsiformis Vuk.
- Species Carduus cirsioides Vill. accepted as Carduus defloratus L.
- Species Carduus cirsium Mill. accepted as Cirsium monspessulanum (L.) Hill
- Species Carduus clavatus (M.E.Jones) A.Heller accepted as Cirsium clavatum (M.E.Jones) Petr.
- Species Carduus clavulatus Link
- Species Carduus colchicus Albov accepted as Carduus adpressus C.A.Mey.
- Species Carduus collinus Waldst. & Kit.
- Species Carduus coloradensis Rydb. accepted as Cirsium scariosum var. coloradense (Rydb.) D.J.Keil
- Species Carduus coloratus (C.Winkl.) Tamamsch. accepted as Carduus nutans L.
- Species Carduus comosus Lam. accepted as Cirsium spinosissimum (L.) Scop.
- Species Carduus confertus Moris accepted as Carduus argyroa Biv.
- Species Carduus confertus Bourg. ex Willk. & Lange accepted as Carduus meonanthus Hoffmanns. & Link
- Species Carduus congestus Guss
- Species Carduus congestus Guss. accepted as Carduus cephalanthus Viv.
- Species Carduus conjungens R.E.Fr.
- Species Carduus conrathii Hayek
- Species Carduus controversus Sudre accepted as Carduus nigrescens subsp. australis (Nyman) Greuter
- Species Carduus corbariensis Timb. & Theven.
- Species Carduus corbariensis Timb.-Lagr. & Thévenau accepted as Carduus tenuiflorus Curtis
- Species Carduus coronata (L.) D.Don accepted as Serratula coronata L.
- Species Carduus corsicus Sch.Bip. accepted as Carduus clavulatus Link
- Species Carduus corymbosus Ten.
- Species Carduus cosmelii Adams ex DC. accepted as Cirsium leucocephalum subsp. penicillatum (K.Koch) Greuter
- Species Carduus crassicaulis Greene accepted as Cirsium crassicaule (Greene) Jeps.
- Species Carduus crassifolius Willd. accepted as Carduus defloratus subsp. summanus (Pollini) Arcang.
- Species Carduus creticus Lam. accepted as Cirsium creticum (Lam.) d'Urv.
- Species Carduus crispoformis Arènes accepted as Carduus dubius Balb.
- Species Carduus crispus L.
- Species Carduus crispus Guirão ex Nyman
- Species Carduus crispus Gouan
- Species Carduus crispus Huds. accepted as Carduus acanthoides L.
- Species Carduus cronius Boiss. & Heldr. accepted as Carduus tmoleus subsp. cronius (Boiss. & Heldr.) Greuter
- Species Carduus cyanoides Pall. accepted as Jurinea polyclonos (L.) DC.
- Species Carduus cyanoides L. accepted as Jurinea cyanoides (L.) Rchb.
- Species Carduus cylindricus Borbás accepted as Carduus collinus subsp. cylindricus (Borbás) Soó
- Species Carduus cymosus Greene accepted as Cirsium cymosum var. cymosum
- Species Carduus cynara Lam. ex Steud. accepted as Lamyropsis cynaroides (Lam.) Dittrich
- Species Carduus cynara E.H.L.Krause accepted as Cynara cardunculus L.
- Species Carduus cynaroides Lam. accepted as Lamyropsis cynaroides (Lam.) Dittrich
- Species Carduus cyrneus Schlüssel & Jeanm.
- Species Carduus cyrneus Schlüssel & Jeanm.
- Species Carduus dacoticus A.Nelson ex Visher accepted as Cirsium canescens Nutt.
- Species Carduus dahuricus (Arènes) Kazmi
- Species Carduus decandollei Auct. ex Steud. accepted as Carduus litigiosus Nocca & Balb.
- Species Carduus defloratus L.
- Species Carduus demidecurrens Franch.
- Species Carduus dentatus (Forssk.) Pers. accepted as Carthamus dentatus Vahl
- Species Carduus desertorum Fisch. ex Steud. accepted as Cirsium alatum (S.G.Gmel.) Bobrov
- Species Carduus diacantha Labill. accepted as Ptilostemon diacantha (Labill.) Greuter
- Species Carduus diffusus (Eastw.) A.Heller accepted as Cirsium calcareum (M.E.Jones) Wooton & Standl.
- Species Carduus digeneus Beck accepted as Carduus naegelii Brügger
- Species Carduus discolor Hook. accepted as Cirsium canescens Nutt.
- Species Carduus discolor (Muhl. ex Willd.) Nutt. accepted as Cirsium discolor (Muhl. ex Willd.) Spreng.
- Species Carduus dissectus L. accepted as Cirsium dissectum (L.) Hill
- Species Carduus dissectus Vill. accepted as Cirsium dissectum (L.) Hill
- Species Carduus divaricatus Gllib. accepted as Cirsium vulgare (Savi) Ten.
- Species Carduus diversifolius Wall.
- Species Carduus dobrogensis Prodan accepted as Carduus intercedens Hausskn.
- Species Carduus draunburgensis Keller accepted as Carduus schulzeanus Ruhmer
- Species Carduus drummondii Rydb.
- Species Carduus drummondii (Torr. & A.Gray) Greene accepted as Cirsium drummondii Torr. & A.Gray
- Species Carduus drummondii (Torr. & A.Gray) Coville accepted as Cirsium drummondii Torr. & A.Gray
- Species Carduus dubius Balb.
- Species Carduus duriaei Boiss. & Reut. accepted as Carduus spachianus Durieu
- Species Carduus durieuanus Font Quer & Rothm.
- Species Carduus echinatus Desf. accepted as Cirsium echinatum (Desf.) DC.
- Species Carduus echinocephalus Pers. ex Steud. accepted as Ptilostemon echinocephalus (Willd.) Greuter
- Species Carduus edelbergii Rech.f.
- Species Carduus edulis (Nutt.) Greene accepted as Cirsium edule Nutt.
- Species Carduus elatior Döll accepted as Carduus leptocephalus Peterm.
- Species Carduus elegans Pall. ex Georgi
- Species Carduus elegans Stephan ex Ledeb. accepted as Cousinia astracanica (Spreng.) Tamamsch.
- Species Carduus elegans Willd. ex Steud. accepted as Ancathia igniaria (Spreng.) DC.
- Species Carduus elegans Salisb. accepted as Ptilostemon casabonae (L.) Greuter
- Species Carduus ellenbeckii R.E.Fr. accepted as Carduus schimperi subsp. schimperi Sch.Bip.
- Species Carduus elongatus Wall. accepted as Tricholepis elongata DC.
- Species Carduus engadinensis Rouy ex Gillot accepted as Carduus nutans subsp. platylepis (Rchb. & Saut.) Nyman
- Species Carduus eremocephalus Chiov. accepted as Carduus schimperi subsp. schimperi Sch.Bip.
- Species Carduus eriocephalus C.Winkl. accepted as Olgaea eriocephala (C.Winkl.) Iljin
- Species Carduus eriophorus Pall. ex M.Bieb. accepted as Cirsium laniflorum (M.Bieb.) Fisch.
- Species Carduus eriophorus L. accepted as Cirsium eriophorum (L.) Scop.
- Species Carduus eriophorus Thunb. accepted as Cirsium japonicum (Thunb.) Fisch. ex DC.
- Species Carduus erisithales Jacq. accepted as Cirsium erisithales (Jacq.) Scop.
- Species Carduus erisithales Vill. accepted as Cirsium rivulare (Jacq.) All.
- Species Carduus erosus Rydb. accepted as Cirsium scariosum var. coloradense (Rydb.) D.J.Keil
- Species Carduus erucagineus Lam. accepted as Cirsium erucagineum DC.
- Species Carduus esdraelonicus Boiss. accepted as Carduus acicularis Bertol.
- Species Carduus estivali Arènes
- Species Carduus euboicus Franco
- Species Carduus euosmus Forrest ex W.W.Sm. accepted as Xanthopappus subacaulis C.Winkl.
- Species Carduus euosmus Forrest accepted as Xanthopappus subacaulis C.Winkl.
- Species Carduus excelsior (B.L.Rob.) Greene accepted as Cirsium excelsius (B.L.Rob.) Petr.
- Species Carduus fallax Borbás
- Species Carduus fasciculiflorus Viv.
- Species Carduus fasciculiformis accepted as Carduus fasciculiflorus Viv.
- Species Carduus fastigiatus Moris accepted as Carduus argyroa Biv.
- Species Carduus fatrae Margittai accepted as Carduus moritzii Brügger
- Species Carduus ferox Vill. accepted as Cirsium ferox (L.) DC.
- Species Carduus filipendulus (A.Gray) Rydb. accepted as Cirsium engelmannii Rydb.
- Species Carduus fimbriatus Steud. accepted as Cirsium osseticum (Adams) Petr.
- Species Carduus firmus Steud. accepted as Cirsium vulgare (Savi) Ten.
- Species Carduus fissurae Nyár. accepted as Carduus crispus L.
- Species Carduus flaccidus Small accepted as Cirsium carolinianum (Walter) Fernald & B.G.Schub.
- Species Carduus flavescens K.Koch accepted as Carduus nawaschinii Bordz.
- Species Carduus flavescens L. accepted as Klasea flavescens (L.) Holub
- Species Carduus flavescens Willd. accepted as Carthamus oxyacantha M.Bieb.
- Species Carduus floccosus Rydb. accepted as Cirsium tracyi (Rydb.) Petr.
- Species Carduus flodmanii Rydb. accepted as Cirsium flodmanii (Rydb.) Arthur
- Species Carduus foliosus Hook. accepted as Cirsium foliosum (Hook.) DC.
- Species Carduus fontinalis (Greene) Greene accepted as Cirsium fontinale (Greene) Jeps.
- Species Carduus font-queri Pau accepted as Carduus martinezii subsp. fontqueri (Pau) Kazmi
- Species Carduus forsteri Bab.
- Species Carduus fortior Klokov accepted as Carduus acanthoides L.
- Species Carduus fruticosus Poir. accepted as Carlina xeranthemoides L.f.
- Species Carduus fruticosus Desf. accepted as Ptilostemon chamaepeuce (L.) Less.
- Species Carduus furiosus Tamamsch. accepted as Carduus onopordioides subsp. furiosus (Tamamsch.) Greuter
- Species Carduus fussii Kern. ex Simonk. accepted as Carduus kerneri Simonk.
- Species Carduus gaetulus
- Species Carduus galactites Lam. accepted as Carduus cephalanthus Viv.
- Species Carduus galactites Bory & Chaub. accepted as Galactites tomentosa Moench
- Species Carduus gayanus Durieu ex Willk. accepted as Carduus carpetanus Boiss. & Reut.
- Species Carduus gayanus Durieu ex DC. accepted as Carduus carpetanus Boiss. & Reut.
- Species Carduus gentyanus Gillot.
- Species Carduus getulus Pomel
- Species Carduus gibsonii
- Species Carduus giganteus Desf. accepted as Cirsium scabrum (Poir.) Bonnet & Barratte
- Species Carduus gigas Ucria
- Species Carduus gigas Bernardino
- Species Carduus gigas Ucria accepted as Cirsium scabrum (Poir.) Bonnet & Barratte
- Species Carduus gilensis Wooton & Standl. accepted as Cirsium parryi (A.Gray) Petr.
- Species Carduus gillotii Rouy
- Species Carduus gillotii Rouy
- Species Carduus glaber Buch.-Ham. ex Wall.
- Species Carduus glaber Nutt. accepted as Cirsium nuttallii DC.
- Species Carduus glaber Steud. accepted as Cirsium glabrum DC.
- Species Carduus glaberrimus Lojac.
- Species Carduus glaucinus Holub accepted as Carduus defloratus subsp. glaucus (Baumg.) Nyman
- Species Carduus glaucophyllus Desf. ex DC. accepted as Carduus defloratus L.
- Species Carduus glaucus Bautng.
- Species Carduus glaucus Ledeb.
- Species Carduus glaucus Cav. accepted as Klasea nudicaulis (L.) Fourr.
- Species Carduus glaucus Baumg. accepted as Carduus defloratus subsp. glaucus (Baumg.) Nyman
- Species Carduus glicacantha
- Species Carduus globifer Velen. accepted as Carduus candicans subsp. globifer (Velen.) Kazmi
- Species Carduus glomeratus Lam. accepted as Cirsium monspessulanum (L.) Hill
- Species Carduus glutinosus Beck accepted as Cirsium muticum Michx.
- Species Carduus glycacanthus Sibth. & Sm.
- Species Carduus glycacanthus Sm. accepted as Jurinea glycacantha (Sm.) DC.
- Species Carduus gmelinii Steud.
- Species Carduus gmelinii Steud. accepted as Cirsium acaulon (L.) Scop.
- Species Carduus gnaphalodes Cirillo
- Species Carduus gnaphalodes Cirillo accepted as Ptilostemon gnaphaloides (Cirillo) Soják
- Species Carduus gouanii Steud. accepted as Cirsium tuberosum (L.) All.
- Species Carduus grahamii (A.Gray) Greene accepted as Cirsium grahamii A.Gray
- Species Carduus granatensis Willk. accepted as Carduus nutans subsp. granatensis (Willk.) O.Bolòs & Vigo
- Species Carduus grassensis Briq. & Cavill.
- Species Carduus grenieri Sch.Bip. ex Nyman
- Species Carduus griseus Rydb. accepted as Cirsium griseum H.Lév.
- Species Carduus groedigensis Fritsch accepted as Carduus moritzii Brügger
- Species Carduus guadarramicus Sennen
- Species Carduus gyoerffyanus J.Wogner
- Species Carduus haemorrhoidalis Auct. ex DC. accepted as Cirsium arvense (L.) Scop.
- Species Carduus hajastanicus Tamamsch. accepted as Carduus onopordioides subsp. hajastanicus (Tamamsch.) Greuter
- Species Carduus halacsyi Heldr. accepted as Carduus pycnocephalus subsp. marmoratus (Boiss. & Heldr.) P.H.Davis
- Species Carduus halanensis Degen & Lengyel
- Species Carduus hallii A.Heller accepted as Cirsium edule Nutt.
- Species Carduus hamulosus Ehrh.
- Species Carduus hamulosus Ten. accepted as Carduus nutans subsp. platypus (Lange) Greuter
- Species Carduus hastatus Lam. accepted as Cirsium ambiguum var. hastatum
- Species Carduus haussknechtii Bornm.
- Species Carduus hazslinszkyanus Budai accepted as Carduus littoralis Borbás
- Species Carduus helenifolius Salisb. accepted as Cirsium heterophyllum (L.) Hill
- Species Carduus helenioides L. accepted as Cirsium helenioides (L.) Hill
- Species Carduus helleri Small
- Species Carduus hesperius A.Heller accepted as Cirsium eatonii var. hesperium (Eastw.) D.J.Keil
- Species Carduus heterolepis (A.Gray) Greene accepted as Cirsium subcoriaceum (Less.) Sch.Bip. ex Sch.Bip.
- Species Carduus heteromallus D.Don accepted as Saussurea candicans C.B.Clarke
- Species Carduus heteromorphus Sennholz
- Species Carduus heterophyllus L. accepted as Cirsium heterophyllum (L.) Hill
- Species Carduus hillii (Canby) Porter accepted as Cirsium pumilum var. hillii (Canby)
- Species Carduus hippolyti Bory & Chaub. accepted as Cirsium creticum (Lam.) d'Urv.
- Species Carduus hispanicus Lam. accepted as Ptilostemon hispanicus (Lam.) Greuter
- Species Carduus hispanicus Bory ex DC. accepted as Carduus carlinoides Gouan
- Species Carduus hohenackeri Kazmi
- Species Carduus hookerianus (A.Gray) A.Heller accepted as Cirsium hookerianum Nutt.
- Species Carduus horridissimus (Briq. & Cavill.) Landolt accepted as Carduus litigiosus subsp. horridissimus (Briq. & Cavill.) Franco
- Species Carduus horridulus Pers. accepted as Cirsium horridulum Michx.
- Species Carduus horridus Adams accepted as Cirsium pugnax Sommier & Levier
- Species Carduus horridus (Rupr.) B.Fedtsch. accepted as Schmalhausenia nidulans (Regel) Petr.
- Species Carduus hsiaowutaishanensis F.H.Chen accepted as Olgaea lomonossowii (Trautv.) Iljin
- Species Carduus huteri Freyn ex Arènes accepted as Carduus conrathii Hayek
- Species Carduus hybridus Steud. accepted as Cirsium erisithales (Jacq.) Scop.
- Species Carduus hydrophilus Greene accepted as Cirsium hydrophilum (Greene) Jeps.
- Species Carduus hymenolepis Trautv. accepted as Psephellus hymenolepis (Trautv.) Boiss.
- Species Carduus hypoleucus Bornm. accepted as Carduus olympicus subsp. hypoleucus (Bornm.) P.H.Davis
- Species Carduus hyssopifolius Schur accepted as Klasea lycopifolia (Vill.) Á.Löve & D.Löve
- Species Carduus hystrix C.A.Mey. accepted as Carduus hamulosus subsp. hystrix (C.A.Mey.) Kazmi
- Species Carduus ibanezii Pau
- Species Carduus ibicensis (Devesa & Talavera) Rosselló & N.Torres
- Species Carduus ibizensis
- Species Carduus igniarius (Spreng.) Pall. ex DC. accepted as Ancathia igniaria (Spreng.) DC.
- Species Carduus illyricus Baill. accepted as Onopordum illyricum L.
- Species Carduus illyricus K.Malý accepted as Carduus malyi Greuter
- Species Carduus ilvensis Prodan
- Species Carduus ilvensis Prodan
- Species Carduus inamoenus Greene accepted as Cirsium inamoenum (Greene) D.J.Keil
- Species Carduus incanus Klokov accepted as Carduus crispus L.
- Species Carduus inclinans Stokes accepted as Carduus crispus L.
- Species Carduus inclinatus (Lam.) Dulac accepted as Carduus defloratus subsp. medius (Gouan) Bonnier
- Species Carduus indicus j.g.klein ex Wall.
- Species Carduus indicus Klein ex DC. accepted as Tricholepis angustifolia DC.
- Species Carduus inermis Pers. accepted as Rhaponticum centauroides (L.) O.Bolòs
- Species Carduus innocuus accepted as Carduus adpressus C.A.Mey.
- Species Carduus inornatus Wooton & Standl. accepted as Cirsium parryi (A.Gray) Petr.
- Species Carduus intercedens Hausskn.
- Species Carduus intermedius Heller ex Steud. accepted as Cirsium intermedium
- Species Carduus intermedius Lojac. accepted as Carduus pycnocephalus subsp. intermedius (Lojac.) Giardina & Raimondo
- Species Carduus intricatus Rchb.f. accepted as Carduus litigiosus Nocca & Balb.
- Species Carduus intricatus Timb. accepted as Carduus defloratus subsp. medius (Gouan) Bonnier
- Species Carduus involucratus Wall. accepted as Cirsium verutum (D.Don) Spreng.
- Species Carduus ipe Boros
- Species Carduus ipe Boros
- Species Carduus irmischii Sch.Bip. ex Thomé accepted as Carduus grenieri Sch.Bip. ex Nyman
- Species Carduus italicus (DC.) Savi accepted as Cirsium italicum (Savi) DC.
- Species Carduus jacquinii Steud. accepted as Cirsium pyrenaicum (Jacq.) All.
- Species Carduus japonicus (Fisch. ex DC.) Franch. accepted as Cirsium japonicum (Thunb.) Fisch. ex DC.
- Species Carduus javorkae L.Vojda
- Species Carduus javorkae Vajda
- Species Carduus jordanii Arènes
- Species Carduus juratzkae Beck
- Species Carduus kahenae Pomel accepted as Carduus nutans subsp. macrocephalus (Desf.) Nyman
- Species Carduus kahenoe Pomel
- Species Carduus karelinii B.Fedtsch. accepted as Alfredia nivea Kar. & Kir.
- Species Carduus kelseyi Rydb. accepted as Cirsium scariosum var. coloradense (Rydb.) D.J.Keil
- Species Carduus keniensis R.E.Fr. accepted as Afrocarduus keniensis (R.E.Fr.) Garcia-Jacas, Moreyra & Susanna
- Species Carduus kerneri Simonk.
- Species Carduus khekii Murr
- Species Carduus khekii Petitm. accepted as Carduocirsium khekii (Petitm.) P.Fourn.
- Species Carduus khekii Murr accepted as Carduus schulzeanus Ruhmer
- Species Carduus kikuyorum R.E.Fr. accepted as Afrocarduus kikuyorum (R.E.Fr.) Garcia-Jacas, Moreyra & Susanna
- Species Carduus kilimandscharicus R.E.Fr. accepted as Carduus keniensis R.E.Fr.
- Species Carduus killiasii Brügger
- Species Carduus killlasii Brügger accepted as Carduus dubius Balb.
- Species Carduus kirghisicus Sultanova
- Species Carduus knorringianus Tamamsch.
- Species Carduus kolakovskyi
- Species Carduus kondratjukii Gorl. accepted as Carduus nutans subsp. platypus (Lange) Greuter
- Species Carduus kosmelii Adams accepted as Cirsium kosmelii (Adams) Fisch. ex Hohen.
- Species Carduus kotovskyi Sosn. ex Grossh.
- Species Carduus kozlovskii Sosn. accepted as Carduus adpressus C.A.Mey.
- Species Carduus kozlsovsyi
- Species Carduus kumaunensis (Arènes) Kazmi
- Species Carduus lacerus Rydb. accepted as Cirsium scariosum var. scariosum Nutt.
- Species Carduus lachnocephalus Rech.f. accepted as Olgaea eriocephala (C.Winkl.) Iljin
- Species Carduus laciniatus Ledeb. & Tamamsch.
- Species Carduus laciniatus Lam. accepted as Cirsium palustre (L.) Coss. ex Scop.
- Species Carduus laciniatus Ledeb. accepted as Carduus adpressus C.A.Mey.
- Species Carduus lactifolius Stokes accepted as Silybum marianum (L.) Gaertn.
- Species Carduus ladak C.B.Clarke accepted as Olgaea thomsonii (Hook.f.) Iljin
- Species Carduus lanatus Brot.
- Species Carduus lanatus Roxb. ex Poir. accepted as Cirsium lanatum (Roxb. ex Willd.) Spreng.
- Species Carduus lanatus Roxb. ex Willd. accepted as Cirsium lanatum (Roxb. ex Willd.) Spreng.
- Species Carduus lanceatus Hill
- Species Carduus lanceolatus Lour.
- Species Carduus lanceolatus L. accepted as Cirsium vulgare (Savi) Ten.
- Species Carduus laniceps C.Winkl. accepted as Olgaea lanipes (C.Winkl.) Iljin
- Species Carduus laniflorus Steud. accepted as Cirsium laniflorum (M.Bieb.) Fisch.
- Species Carduus lanuginosus Willd.
- Species Carduus lanuriensis De Wild. accepted as Carduus ruwenzoriensis S.Moore
- Species Carduus lappaceus M.Bieb. accepted as Cirsium leucocephalum subsp. penicillatum (K.Koch) Greuter
- Species Carduus lappoides Less. accepted as Cirsium lappoides (Less.) Sch.Bip.
- Species Carduus laterifolius Osterh. accepted as Cirsium scariosum var. americanum (A.Gray) D.J.Keil
- Species Carduus latifolius Banks ex Lowe accepted as Cirsium latifolium Lowe
- Species Carduus latisquamus Freyn & Conrath ex Freyn accepted as Carduus nutans subsp. platypus (Lange) Greuter
- Species Carduus laxiflorus Tausch
- Species Carduus laxus Beck accepted as Carduus schulzeanus Ruhmer
- Species Carduus lecontei (Torr. & A.Gray) Pollard accepted as Cirsium lecontei Torr. & A.Gray
- Species Carduus leiocarpus A.Heller accepted as Cirsium eatonii (A.Gray) B.L.Rob.
- Species Carduus leiocephalus (D.C.Eaton) A.Heller
- Species Carduus leiophyllus petrov. ex Bornm.
- Species Carduus leiophyllus Petrov ex Bornm. accepted as Carduus nutans subsp. leiophyllus (Petrovič) Stoj. & Stef.
- Species Carduus leiophyllus Petrovič accepted as Carduus nutans subsp. leiophyllus (Petrovič) Stoj. & Stef.
- Species Carduus leptacanthus Fresen. accepted as Afrocarduus leptacanthus (Fresen.) Garcia-Jacas, Moreyra & Susanna
- Species Carduus leptocephalus Peterm.
- Species Carduus leptocladus Durieu
- Species Carduus leptophyllus Gaudin accepted as Carduus nutans subsp. leiophyllus (Petrovič) Stoj. & Stef.
- Species Carduus leridanus Devesa & Talavera
- Species Carduus lesurinus Rouy
- Species Carduus leucanthemos Schur accepted as Carduus personata (L.) Jacq.
- Species Carduus leucanthus Cav. accepted as Klasea flavescens subsp. leucantha (Cav.) Cantó & Rivas Mart.
- Species Carduus leucocephalus (Willd.) Pers. accepted as Cirsium leucocephalum (Willd.) Spreng.
- Species Carduus leucographus L. accepted as Tyrimnus leucographus (L.) Cass.
- Species Carduus leucophyllus Turcz. accepted as Olgaea leucophylla (Turcz.) Iljin
- Species Carduus lindtneri Rech.f. accepted as Carduus kerneri subsp. scardicus (Griseb.) Kazmi
- Species Carduus linearifolius Greene accepted as Cirsium linearifolium
- Species Carduus linearis Thunb. accepted as Cirsium lineare (Thunb.) Sch.Bip.
- Species Carduus litigiosus Nocca & Balb.
- Species Carduus litigiosus Moris accepted as Carduus cephalanthus Viv.
- Species Carduus littoralis Borbás
- Species Carduus lobulatiformis Csürös
- Species Carduus lobulatiformis Csürös & Nyár. accepted as Carduus kerneri subsp. lobulatiformis (Csürös & Nyarady) Soó
- Species Carduus lobulatus Borbás
- Species Carduus lomaxi Pau
- Species Carduus lomaxii Pau
- Species Carduus lomonossowii Trautv. accepted as Olgaea lomonossowii (Trautv.) Iljin
- Species Carduus lomonsowii Trautv. accepted as Olgaea lomonossowii (Trautv.) Iljin
- Species Carduus longifolius C.Winkl. accepted as Olgaea longifolia (C.Winkl.) Iljin
- Species Carduus longispinus (Moris) Arcang. accepted as Carduus nutans subsp. macrocephalus (Desf.) Nyman
- Species Carduus longissimus A.Heller accepted as Cirsium scariosum var. americanum (A.Gray) D.J.Keil
- Species Carduus loretii Rouy
- Species Carduus loretii Rouy
- Species Carduus lucidus Moench accepted as Carduus cephalanthus Viv.
- Species Carduus lucidus Wall. accepted as Carduus nutans subsp. platypus (Lange) Greuter
- Species Carduus lusitanicus Rouy
- Species Carduus lycopifolius Vill. accepted as Klasea lycopifolia (Vill.) Á.Löve & D.Löve
- Species Carduus macedonicus Charrel.
- Species Carduus macounii Greene accepted as Cirsium edule var. macounii (Greene) D.J.Keil
- Species Carduus macracanthus Sch.Bip. ex Kazmi accepted as Afrocarduus macracanthus (Kazmi) Garcia-Jacas, Moreyra & Susanna
- Species Carduus macranthus Hablitz ex Boiss. accepted as Cousinia hablitzii C.A.Mey. ex DC.
- Species Carduus macrocephalus Coss. ex Willk. & Lange
- Species Carduus macrocephalus Wall.
- Species Carduus macrocephalus Coss.
- Species Carduus macrocephalus Desf. accepted as Carduus nutans subsp. macrocephalus (Desf.) Nyman
- Species Carduus macrolepis Peterm. accepted as Carduus nutans subsp. leiophyllus (Petrovič) Stoj. & Stef.
- Species Carduus macropterus Fisch. ex Spreng. accepted as Jurinea polyclonos (L.) DC.
- Species Carduus magnificus A.Nelson accepted as Cirsium scariosum var. scariosum Nutt.
- Species Carduus majellensis Huter, Porta & Rigo
- Species Carduus malacitanus Boiss. & Reut. accepted as Carduus tenuiflorus Curtis
- Species Carduus malyi Greuter
- Species Carduus mariae Garsault
- Species Carduus mariae Crantz accepted as Silybum marianum (L.) Gaertn.
- Species Carduus marianum
- Species Carduus marianus L. accepted as Silybum marianum (L.) Gaertn.
- Species Carduus maritima Elmer accepted as Cirsium rhothophilum S.F.Blake
- Species Carduus maritimum
- Species Carduus maritimus Elmer
- Species Carduus marmoratus Boiss. & Heldr. accepted as Carduus pycnocephalus subsp. marmoratus (Boiss. & Heldr.) P.H.Davis
- Species Carduus maroccanus (Arènes) Kazmi accepted as Carduus nutans subsp. maurus (Emb. & Maire) Greuter
- Species Carduus martinezii Pau
- Species Carduus martrinii Martrin-Donos accepted as Carduus acanthoides L.
- Species Carduus martrinii Timb. accepted as Carduus chrysacanthus Ten.
- Species Carduus medioformis Rouy accepted as Carduus defloratus subsp. medius (Gouan) Bonnier
- Species Carduus medius Steud. accepted as Cirsium tuberosum (L.) All.
- Species Carduus medius Gouan accepted as Carduus defloratus subsp. medius (Gouan) Bonnier
- Species Carduus megacephalus Smyth
- Species Carduus megacephalus A.Gray
- Species Carduus megacephalus (A.Gray) Nutt. ex Daniels accepted as Cirsium undulatum var. undulatum (Nutt.) Spreng.
- Species Carduus megacephalus A.Nelson accepted as Cirsium undulatum (Nutt.) Spreng.
- Species Carduus megalatlanticus Emb. ex Maire accepted as Carduus spachianus subsp. megalatlanticus (Emb. ex Maire) Greuter
- Species Carduus megalatlanticus Emb. accepted as Carduus spachianus subsp. megalatlanticus (Emb. ex Maire) Greuter
- Species Carduus membranaceus Lojac.
- Species Carduus meonanthus Hoffmanns. & Link
- Species Carduus meratii Arènes
- Species Carduus merxmuelleri Kazmi
- Species Carduus mexicanus Greene
- Species Carduus mexicanus Moric.
- Species Carduus mexicanus (DC.) Greene accepted as Cirsium mexicanum DC.
- Species Carduus mexicanus Moric. ex DC. accepted as Cirsium mexicanum DC.
- Species Carduus michaletii Beck accepted as Carduus naegelii Brügger
- Species Carduus microcephalus Ten.
- Species Carduus microcephalus Gaudin accepted as Carduus tenuiflorus Curtis
- Species Carduus micropterus (Borbás) Teyber accepted as Carduus nutans subsp. micropterus (Borbás) Hayek
- Species Carduus millefolius R.E.Fr.
- Species Carduus mitis Steud. accepted as Cirsium mite Fisch.
- Species Carduus mixtus Corb.
- Species Carduus modestii Tamamsch.
- Species Carduus modestus Osterh. accepted as Cirsium clavatum var. americanum (A.Gray) D.J.Keil
- Species Carduus mohavensis Greene accepted as Cirsium mohavense (Greene) Petr.
- Species Carduus mollis Vill.
- Species Carduus mollis Pollich accepted as Jurinea cyanoides (L.) Rchb.
- Species Carduus mollis Gouan accepted as Jurinea humilis (Desf.) DC.
- Species Carduus monocephalus Schur
- Species Carduus monspessulanus L. accepted as Cirsium monspessulanum (L.) Hill
- Species Carduus montanus Suffren ex DC. accepted as Carduus litigiosus Nocca & Balb.
- Species Carduus montanus Pers. accepted as Cirsium monspessulanum (L.) Hill
- Species Carduus montis-majoris Teyber
- Species Carduus montosus Pollini accepted as Carduus defloratus L.
- Species Carduus morisii Balb. accepted as Carduus fasciculiflorus Viv.
- Species Carduus moritzii Brügger
- Species Carduus moritzii Brügger
- Species Carduus mouillefarinii Rouy
- Species Carduus muellneri Sennholz
- Species Carduus multiflorus Gaudin accepted as Carduus crispus subsp. multiflorus (Gaudin) Franco
- Species Carduus multiflorus Pančić ex Nyman accepted as Carduus pancicii Sch.Bip. ex Nyman
- Species Carduus multijugus Tamamsch. accepted as Carduus adpressus C.A.Mey.
- Species Carduus multijugus K.Koch accepted as Carduus adpressus C.A.Mey.
- Species Carduus munuerae Pau accepted as Carduus bourgaeanus Sch.Bip. ex Boiss. & Reut.
- Species Carduus murfatlarii Nyár. & Prodan accepted as Carduus acanthoides L.
- Species Carduus muticus (Michx.) Pers. accepted as Cirsium muticum Michx.
- Species Carduus myriacanthus Salzm. ex DC.
- Species Carduus myriacanthus Salzm.
- Species Carduus myriacanthus Boiss. accepted as Carduus myriacanthus Salzm. ex DC.
- Species Carduus naegeli Brügger
- Species Carduus naegelii Brügger
- Species Carduus nanus R.E.Fr. accepted as Carduus schimperi subsp. nanus (R.E.Fr.) C.Jeffrey
- Species Carduus narcissi Sennen accepted as Carduus nutans subsp. subacaulis Arènes
- Species Carduus nawaschinii Bordz.
- Species Carduus nebraskensis Britton accepted as Cirsium canescens Nutt.
- Species Carduus neglectus Steud. accepted as Cirsium arvense (L.) Scop.
- Species Carduus neglectus Ten. accepted as Carduus acicularis Bertol.
- Species Carduus nelsonii Pammel accepted as Cirsium canescens Nutt.
- Species Carduus nemoralis E.H.L.Krause accepted as Cirsium vulgare subsp. silvaticum (Tausch) Arènes
- Species Carduus neomexicanus (A.Gray) Greene accepted as Cirsium neomexicanum A.Gray
- Species Carduus nepalensis Spreng. ex DC. accepted as Dolomiaea macrocephala DC.
- Species Carduus nervosus K.Koch
- Species Carduus nevadensis Greene
- Species Carduus newbouldii Druce
- Species Carduus nidulans Rupr. accepted as Olgaea nidulans (Rupr.) Iljin
- Species Carduus nidulus A.Heller accepted as Cirsium arizonicum var. arizonicum (A.Gray) Petr.
- Species Carduus nigrescens Vill.
- Species Carduus nigrescens Mutel ex Nyman accepted as Carduus nigrescens subsp. vivariensis (Jord.) Bonnier & Layens
- Species Carduus nikitinii Tamamsch. accepted as Carduus pycnocephalus subsp. cinereus (M.Bieb.) P.H.Davis
- Species Carduus nitidus Wall. accepted as Tricholepis angustifolia DC.
- Species Carduus nitidus Waldst. & Kit. accepted as Klasea cardunculus (Pall.) Holub
- Species Carduus niveus C.Winkl. accepted as Olgaea nivea (C.Winkl.) Iljin
- Species Carduus niveus Benth. accepted as Alfredia nivea Kar. & Kir.
- Species Carduus novorossicus Portenier
- Species Carduus novorossicus Porten.
- Species Carduus nudicaulis (L.) Pers. accepted as Klasea nudicaulis (L.) Fourr.
- Species Carduus numidicus Coss. & Durieu accepted as Carduus nutans subsp. numidicus (Coss. & Durieu) Arènes
- Species Carduus nuriae Sennen. & Pau
- Species Carduus nuriensis Sennen accepted as Carduus ×gillottii
- Species Carduus nutans L.
- Species Carduus nutans Boiss. ex Nyman accepted as Carduus nutans subsp. platypus (Lange) Greuter
- Species Carduus nutantiformis Shuttlew. ex Rouy
- Species Carduus nuttallii (DC.) Pollard accepted as Cirsium nuttallii DC.
- Species Carduus nyaradyanus Degen ex Nyarady
- Species Carduus nyassanus (S.Moore) R.E.Fr. accepted as Afrocarduus nyassanus (S.Moore) Garcia-Jacas, Moreyra & Susanna
- Species Carduus oblanceolatus Rydb. accepted as Cirsium flodmanii (Rydb.) Arthur
- Species Carduus obvallatus accepted as Notobasis obovallata
- Species Carduus obvallatus Steud. accepted as Cirsium obvallatum (M.Bieb.) Fisch.
- Species Carduus occidentalis Nutt.
- Species Carduus ochrocentrus (A.Gray) Greene accepted as Cirsium ochrocentrum subsp. ochrocentrum A.Gray
- Species Carduus ochroleucus Pers. accepted as Cirsium erisithales (Jacq.) Scop.
- Species Carduus odoratus (Barton) Porter accepted as Cirsium pumilum (Nutt.) Spreng.
- Species Carduus odoratus Muhl. accepted as Cirsium pumilum (Nutt.) Spreng.
- Species Carduus oleraceus (L.) Vill. accepted as Cirsium oleraceum (L.) Scop.
- Species Carduus oliganthus Gand.
- Species Carduus olivescens Rydb. accepted as Cirsium scariosum var. coloradense (Rydb.) D.J.Keil
- Species Carduus olympicus Boiss.
- Species Carduus onopordioides Fisch. ex M.Bieb.
- Species Carduus onopyxos Hill
- Species Carduus opistolobus Pau
- Species Carduus oreophilus Rydb. accepted as Cirsium eriophilus K.Schum.
- Species Carduus orgyalis Steud. accepted as Galactites tomentosa Moench
- Species Carduus orientalis Pers. accepted as Galactites tomentosa Moench
- Species Carduus orientalis Adams accepted as Cousinia orientalis (Adams) K.Koch
- Species Carduus orthocephalus Wallr.
- Species Carduus osseticus Adams accepted as Cirsium osseticum (Adams) Petr.
- Species Carduus osterhoutii Rydb. accepted as Cirsium clavatum var. osterhoutii (Rydb.) D.J.Keil
- Species Carduus palatinus Sch.Bip. ex Nyman accepted as Carduus orthocephalus Wallr.
- Species Carduus pallidus Wooton & Standl. accepted as Cirsium parryi (A.Gray) Petr.
- Species Carduus palousensis Piper accepted as Cirsium brevifolium Nutt.
- Species Carduus palustris Savi
- Species Carduus palustris L. accepted as Cirsium palustre (L.) Coss. ex Scop.
- Species Carduus pancicii Sch.Bip. ex Nyman
- Species Carduus paniculatus Aiton
- Species Carduus paniculatus Ait.
- Species Carduus paniculatus Vahl accepted as Cirsium pyrenaicum (Jacq.) All.
- Species Carduus paniculatus (Lam.) Dulac accepted as Carduus carlinoides Gouan
- Species Carduus pannonicus Schleich. ex DC. accepted as Carduus defloratus L.
- Species Carduus pannonicus L.f. accepted as Cirsium pannonicum (L.f.) Link
- Species Carduus pannosus Trautv. accepted as Carduus lanuginosus Willd.
- Species Carduus parisiensis E.G.Camus accepted as Carduocirsium parisiense (E.G.Camus) P.Fourn.
- Species Carduus parryi (A.Gray) Greene accepted as Cirsium parryi (A.Gray) Petr.
- Species Carduus parviflorus L. accepted as Cirsium oleraceum (L.) Scop.
- Species Carduus parviflorus Buch accepted as Carduus cephalanthus Viv.
- Species Carduus pauciflorus Pers.
- Species Carduus pauciflorus Lam. accepted as Carduus defloratus L.
- Species Carduus paui Devesa & Talavera accepted as Carduus defloratus subsp. paui (Devesa & Talavera) O.Bolòs & Vigo
- Species Carduus pectinatus Popov & a.wed. ex Iljin
- Species Carduus pectinatus L. accepted as Carduus defloratus L.
- Species Carduus pectinatus Popov & Vved. accepted as Olgaea pectinata Iljin
- Species Carduus peculiaris Beck accepted as Carduus naegelii Brügger
- Species Carduus pedemontanus Pers. accepted as Cirsium tuberosum (L.) All.
- Species Carduus peisonis Teyber
- Species Carduus peregrinus Retz. accepted as Carduus cephalanthus Viv.
- Species Carduus perennans Greene accepted as Cirsium wheeleri (A.Gray) Petr.
- Species Carduus perplexans Rydb. accepted as Cirsium perplexans (Rydb.) Petr.
- Species Carduus personata (L.) Jacq.
- Species Carduus personatoformis Rouy accepted as Carduus sepincolus Hausskn.
- Species Carduus personatus Gaertn. accepted as Cirsium personatum
- Species Carduus petrophilus Timb. accepted as Carduus chrysacanthus Ten.
- Species Carduus phyllolepis Willk. accepted as Carduus nutans L.
- Species Carduus picris (Willd.) Sweet accepted as Rhaponticum repens (L.) Hidalgo
- Species Carduus pindicolus Hausskn. accepted as Carduus nutans subsp. leiophyllus (Petrovič) Stoj. & Stef.
- Species Carduus pinetorum Small accepted as Cirsium horridulum var. horridulum Michx.
- Species Carduus pinnatifidus Cav. accepted as Klasea pinnatifida (Cav.) Talavera
- Species Carduus pitcheri (Torr. ex Eaton) Porter accepted as Cirsium pitcheri (Torr. ex Eaton) Torr. & A.Gray
- Species Carduus pitcheri Steud. accepted as Cirsium pitcheri (Torr. ex Eaton) Torr. & A.Gray
- Species Carduus plattense Rydb. accepted as Cirsium canescens Nutt.
- Species Carduus plattensis Rydb.
- Species Carduus platylepis Saut.
- Species Carduus platylepis Rchb. & Saut. accepted as Carduus nutans subsp. platylepis (Rchb. & Saut.) Nyman
- Species Carduus platyphyllus R.E.Fr. accepted as Carduus schimperi subsp. platyphyllus (R.E.Fr.) C.Jeffrey
- Species Carduus platypus Lange accepted as Carduus nutans subsp. platypus (Lange) Greuter
- Species Carduus podacanthus DC. accepted as Carduus aurosicus Vill.
- Species Carduus poliochrus Trautv.
- Species Carduus polyacanthos Curt. accepted as Carduus acanthoides L.
- Species Carduus polyacanthus Lam. accepted as Ptilostemon casabonae (L.) Greuter
- Species Carduus polyacanthus Schreb. accepted as Carduus acanthoides L.
- Species Carduus polyanthemos hegel ex Heer
- Species Carduus polyanthemos Schur accepted as Carduus collinus Waldst. & Kit.
- Species Carduus polyanthemus Schleich.
- Species Carduus polyanthemus Boeber accepted as Cirsium alatum (S.G.Gmel.) Bobrov
- Species Carduus polyanthemus L. accepted as Cirsium polyanthemum (L.) Spreng.
- Species Carduus polyanthemus Schreb. accepted as Carduus nutans subsp. platypus (Lange) Greuter
- Species Carduus polyanthos Schreb. accepted as Carduus acanthoides L.
- Species Carduus polyanthos Boiss. accepted as Cirsium pungens Spreng.
- Species Carduus polyclonos Willd. accepted as Jurinea polyclonos (L.) DC.
- Species Carduus polymorphus Lapeyr. accepted as Cirsium heterophyllum (L.) Hill
- Species Carduus polyphyllus Rydb. accepted as Cirsium eatonii var. murdockii S.L.Welsh
- Species Carduus pontederae Steud. accepted as Cirsium ×ambiguum
- Species Carduus poolii Brügger
- Species Carduus poolii Brügger accepted as Carduus brunneri Döll
- Species Carduus potosinus Greene accepted as Cirsium potosinum
- Species Carduus prasinus Glaab accepted as Carduus defloratus L.
- Species Carduus pratensis Huds. accepted as Cirsium dissectum (L.) Hill
- Species Carduus praticolus Beck accepted as Carduus moritzii Brügger
- Species Carduus predealus Nyár.
- Species Carduus pringlei (S.Watson) Greene accepted as Cirsium pringlei (S.Watson) Petr.
- Species Carduus propinquus Pomel ex Batt. & Trab. accepted as Carduus nutans subsp. macrocephalus (Desf.) Nyman
- Species Carduus pseudocollinus Schmalh.
- Species Carduus pseudocollinus (Schmalh.) Klokov
- Species Carduus pseudocollinus (Schmalh.) Klokov accepted as Carduus hamulosus Ehrh.
- Species Carduus pseudohamulosus Beck
- Species Carduus pseudosyriacus Lojac. accepted as Carduus pycnocephalus subsp. marmoratus (Boiss. & Heldr.) P.H.Davis
- Species Carduus ptarmicifolius Mill. accepted as Ptilostemon stellatus (L.) Greuter
- Species Carduus pteracanthus Durieu accepted as Carduus spachianus Durieu
- Species Carduus pterocaulos Steph. ex DC. accepted as Cousinia arachnoidea Fisch. & C.A.Mey. ex DC.
- Species Carduus puechii Coste
- Species Carduus pulchellus Greene accepted as Cirsium calcareum (M.E.Jones) Wooton & Standl.
- Species Carduus pulchellus Greene ex Rydb. accepted as Cirsium calcareum (M.E.Jones) Wooton & Standl.
- Species Carduus pulcher E.D.Clarke
- Species Carduus pulcherrimus Rydb. accepted as Cirsium pulcherrimum (Rydb.) K.Schum.
- Species Carduus pumilus D.Don
- Species Carduus pumilus Nutt. accepted as Cirsium pumilum var. pumilum
- Species Carduus pumilus Vill. accepted as Cirsium dissectum (L.) Hill
- Species Carduus pumilus Hook. accepted as Cirsium drummondii Torr. & A.Gray
- Species Carduus punctatus herb.madr. ex Wall. accepted as Tricholepis radicans (Roxb.) DC.
- Species Carduus pungens Pers. ex DC. accepted as Galactites tomentosa Moench
- Species Carduus purpureus Vill.
- Species Carduus pycnocephaloformis Arènes
- Species Carduus pycnocephalus L.
- Species Carduus pycnocephalus Spreng. accepted as Carduus cephalanthus Viv.
- Species Carduus pycnocephalus-alatus Steven ex DC. accepted as Cousinia arachnoidea Fisch. & C.A.Mey. ex DC.
- Species Carduus pygmaeus Jacq. accepted as Saussurea pygmaea Spreng.
- Species Carduus pyrenaicus Jacq. accepted as Cirsium pyrenaicum (Jacq.) All.
- Species Carduus pyrenaicus Gouan accepted as Cirsium monspessulanum var. pyrenaicum
- Species Carduus pyrenaicus (L.) Kazmi accepted as Carduus carlinoides Gouan
- Species Carduus pyrochros Less. accepted as Cirsium conspicuum (G.Don) Sch.Bip.
- Species Carduus quercetorum (A.Gray) Greene accepted as Cirsium quercetorum (A.Gray) Jeps.
- Species Carduus quercifolius F.K.Mey.
- Species Carduus quinquefolius D.Don accepted as Klasea quinquefolia (Willd.) Greuter & Wagenitz
- Species Carduus radiatus Waldst. & Kit. accepted as Klasea radiata (Waldst. & Kit.) Á.Löve & D.Löve
- Species Carduus radicans Roxb. accepted as Tricholepis radicans (Roxb.) DC.
- Species Carduus ramosissimus Pančić
- Species Carduus ramosus Roxb. accepted as Oligochaeta ramosa
- Species Carduus raphilepis Greene accepted as Cirsium rhaphilepis (Hemsl.) Petr.
- Species Carduus ratzenbockii Glaab accepted as Carduus naegelii Brügger
- Species Carduus rechingeri Hayek accepted as Carduus schulzeanus Ruhmer
- Species Carduus rechingerianus Kazmi
- Species Carduus recurvatus Jord. ex Boreau accepted as Carduus nigrescens subsp. vivariensis (Jord.) Bonnier & Layens
- Species Carduus recurvatus Jord. accepted as Carduus nigrescens subsp. australis (Nyman) Greuter
- Species Carduus recurvatus Willk. accepted as Carduus nutans subsp. granatensis (Willk.) O.Bolòs & Vigo
- Species Carduus remotifolius Hook. accepted as Cirsium remotifolium (Hook.) DC.
- Species Carduus repandus (Michx.) Pers. accepted as Cirsium repandum Michx.
- Species Carduus reuterianus Boiss. accepted as Carduus bourgaeanus Sch.Bip. ex Boiss. & Reut.
- Species Carduus revolutus Small accepted as Cirsium virginianum (L.) Michx.
- Species Carduus rhaeticus Dalla Torre
- Species Carduus rhaeticus (DC.) A.Kern. accepted as Carduus defloratus subsp. rhaeticus (DC.) Murr
- Species Carduus rheginus Steud. accepted as Ptilostemon strictus (Ten.) Greuter
- Species Carduus rhodopeus Velen. accepted as Carduus adpressus subsp. rhodopeus (Velen.) Kožuharov & N.Andreev
- Species Carduus rigens Godr.
- Species Carduus rigens Dryand.
- Species Carduus rigens Godr.
- Species Carduus rigens Dryand. ex Aiton accepted as Cirsium oleraceum (L.) Scop.
- Species Carduus rivasgodayanus Devesa & Talavera
- Species Carduus rivularis Jacq. accepted as Cirsium rivulare (Jacq.) All.
- Species Carduus rosenii Vill. accepted as Cirsium acaulon (L.) Scop.
- Species Carduus rothrockii (A.Gray) Greene accepted as Cirsium arizonicum var. rothrockii (A.Gray) D.J.Keil
- Species Carduus ruderalis Tausch ex Nyman accepted as Carduus acanthoides L.
- Species Carduus rufescens Pers. accepted as Cirsium carniolicum subsp. rufescens (Ramond ex DC.) P.Fourn.
- Species Carduus rugulosus Guss. accepted as Carduus acicularis Bertol.
- Species Carduus rusbyi Greene accepted as Cirsium mohavense (Greene) Petr.
- Species Carduus ruwenzoriensis S.Moore accepted as Afrocarduus ruwenzoriensis (S.Moore) Garcia-Jacas, Moreyra & Susanna
- Species Carduus salinus M.Bieb. ex Steud. accepted as Centaurea salicina
- Species Carduus salisburgensis Pers. accepted as Cirsium rivulare (Jacq.) All.
- Species Carduus samniticus Ten. accepted as Cirsium italicum (Savi) DC.
- Species Carduus sanctae-balmae Loisel. accepted as Carduus litigiosus Nocca & Balb.
- Species Carduus sandwithii Kazmi accepted as Carduus nutans subsp. granatensis (Willk.) O.Bolòs & Vigo
- Species Carduus santacreui (Devesa & Talavera) Devesa
- Species Carduus sardous DC.
- Species Carduus scaber Poir. accepted as Cirsium scabrum (Poir.) Bonnet & Barratte
- Species Carduus scardicus (Griseb.) Degen & Dörfl. accepted as Carduus kerneri subsp. scardicus (Griseb.) Kazmi
- Species Carduus scardicus (Griseb.) Wettst. accepted as Carduus kerneri subsp. scardicus (Griseb.) Kazmi
- Species Carduus scariosus (Nutt.) A.Heller accepted as Cirsium scariosum (Poir.) Nutt.
- Species Carduus schimperi Sch.Bip. accepted as Afrocarduus schimperi (Sch.Bip.) Garcia-Jacas, Moreyra & Susanna
- Species Carduus schischkinii Tamamsch. accepted as Carduus nutans L.
- Species Carduus schultzeanus Ruhmer
- Species Carduus schulzeanus Ruhmer
- Species Carduus schurii Nyár.
- Species Carduus schurii Nyár.
- Species Carduus scolymus Baill. accepted as Cynara cardunculus L.
- Species Carduus scopulorum Rydb.
- Species Carduus scopulorum Greene accepted as Cirsium eatonii var. eriocephalum (A.Gray) D.J.Keil
- Species Carduus scordium Stokes accepted as Serratula scordium Lour.
- Species Carduus segetum Larrañaga
- Species Carduus segetum (Bunge) Franch. accepted as Breea segeta (Bunge) Kitam.
- Species Carduus semiensis Pic.Serm. accepted as Carduus leptacanthus Fresen.
- Species Carduus seminudus M.Bieb. ex M.Bieb.
- Species Carduus semipectinatus Lam. accepted as Cirsium semipectinatum Spreng.
- Species Carduus semiperegrinus Aellen
- Species Carduus semipinnatus Desf. ex Steud. accepted as Cirsium monspessulanum (L.) Hill
- Species Carduus sepincolus Hausskn.
- Species Carduus septentrionalis Devesa & Talavera
- Species Carduus serratuloides Neck. accepted as Cirsium arvense (L.) Scop.
- Species Carduus serratuloides Jacq. accepted as Cirsium pannonicum (L.f.) Link
- Species Carduus serratuloides L. accepted as Cirsium serratuloides (L.) Hill
- Species Carduus serrulatus Steud. accepted as Cirsium serrulatum (M.Bieb.) Fisch.
- Species Carduus setosus Bab. accepted as Cirsium arvense (L.) Scop.
- Species Carduus silvarum R.E.Fr. accepted as Afrocarduus silvarum (R.E.Fr.) Garcia-Jacas, Moreyra & Susanna
- Species Carduus simplicifolius Sang.
- Species Carduus simplicifolius Sanguin. accepted as Carduus personata (L.) Jacq.
- Species Carduus sinensis S.Moore accepted as Olgaea lomonossowii (Trautv.) Iljin
- Species Carduus sinuatus Gilib. accepted as Carduus acanthoides L.
- Species Carduus smallii (Britton) Ahles
- Species Carduus smallii (Britton) H.E.Ahles accepted as Cirsium horridulum var. vittatum (Small) R.W.Long
- Species Carduus solteszii Budai
- Species Carduus sonderi F.W.Schultz accepted as Carduus orthocephalus Wallr.
- Species Carduus songoricus (C.Winkl. ex C.Winkl.) Tamamsch. accepted as Carduus nutans L.
- Species Carduus spachianus Durieu
- Species Carduus spathulatus Osterh.
- Species Carduus spinigerus Jord. accepted as Carduus nigrescens Vill.
- Species Carduus spinosissimus C.A.Mey.
- Species Carduus spinosissimus Gueldenst. ex Ledeb.
- Species Carduus spinosissimus Gerbi accepted as Cirsium italicum (Savi) DC.
- Species Carduus spinosissimus Vill. accepted as Cirsium spinosissimum (L.) Scop.
- Species Carduus spinosissimus Steud. accepted as Ptilostemon echinocephalus (Willd.) Greuter
- Species Carduus spinosissimus Walter accepted as Cirsium horridulum var. horridulum Michx.
- Species Carduus spinosus Gueldenst. ex Ledeb. accepted as Cirsium acaulon (L.) Scop.
- Species Carduus spinulosus Glaab
- Species Carduus spinulosus Bertol. accepted as Carduus defloratus L.
- Species Carduus spurius L. accepted as Cirsium eriophorum (L.) Scop.
- Species Carduus squarrosus (DC.) DC. ex Lowe
- Species Carduus stangii H.Buek ex Nyman accepted as Carduus dubius Balb.
- Species Carduus stellatus L. accepted as Ptilostemon stellatus (L.) Greuter
- Species Carduus stenocephalus Tamamsch. accepted as Carduus hamulosus subsp. stenocephalus (Tamamsch.) Greuter
- Species Carduus stenolepis Benth. accepted as Alfredia cernua (L.) Cass.
- Species Carduus steudneri (Engl.) R.E.Fr. accepted as Afrocarduus kikuyorum subsp. kikuyorum (R.E.Fr.) C.Jeffrey
- Species Carduus stiriacus Beck
- Species Carduus stoechadifolius (M.Bieb.) Sweet accepted as Jurinea stoechadifolia (M.Bieb.) DC.
- Species Carduus stolzii R.E.Fr. accepted as Carduus leptacanthus Fresen.
- Species Carduus strictus Steud. accepted as Galactites tomentosa Moench
- Species Carduus strigosus M.Bieb. accepted as Cirsium strigosum (M.Bieb.) Fisch.
- Species Carduus suaveolens Benth. accepted as Alfredia nivea Kar. & Kir.
- Species Carduus subalpinus R.E.Fr. accepted as Carduus keniensis R.E.Fr.
- Species Carduus subcarlinoides Sennen & Pau accepted as Carduus nigrescens subsp. assoi Willk.
- Species Carduus subcoriaceus Less. accepted as Cirsium subcoriaceum (Less.) Sch.Bip. ex Sch.Bip.
- Species Carduus subdecurrens Bertol. accepted as Carduus defloratus subsp. summanus (Pollini) Arcang.
- Species Carduus subinteger Murr accepted as Carduus sepincolus Hausskn.
- Species Carduus sumanus Pollini accepted as Carduus defloratus subsp. summanus (Pollini) Arcang.
- Species Carduus syncephalus Rchb.
- Species Carduus syncephalus Rchb.f. accepted as Carduus tenuiflorus Curtis
- Species Carduus syriacus L. accepted as Notobasis syriaca (L.) Cass.
- Species Carduus talassicus Korovin ex Iljin
- Species Carduus tataricus Lam.
- Species Carduus tataricus L. accepted as Cirsium oleraceum (L.) Scop.
- Species Carduus tauricus Boeber ex Georgi accepted as Ptilostemon echinocephalus (Willd.) Greuter
- Species Carduus tauricus Klokov accepted as Carduus hamulosus Ehrh.
- Species Carduus taygeteus Boiss. & Heldr. accepted as Carduus nutans subsp. taygeteus (Boiss. & Heldr.) Hayek
- Species Carduus tectus Wall. accepted as Saussurea obvallata (DC.) Edgew.
- Species Carduus tenuiflorus Curtis
- Species Carduus tenuiflorus W.M.Curtis
- Species Carduus tenuiflorus Curt.
- Species Carduus tenuifolius Gaudin accepted as Carduus defloratus subsp. glaucus (Baumg.) Nyman
- Species Carduus theodori R.E.Fr. accepted as Carduus schimperi subsp. schimperi Sch.Bip.
- Species Carduus theriotii Rouy
- Species Carduus thessalus Boiss. & Heldr. accepted as Carduus acanthoides L.
- Species Carduus thoermeri Weinm. accepted as Carduus nutans subsp. leiophyllus (Petrovič) Stoj. & Stef.
- Species Carduus thomsonii Hook.f. accepted as Olgaea thomsonii (Hook.f.) Iljin
- Species Carduus thracicus (Velen.) Hayek
- Species Carduus tianschanicus (Rupr.) B.Fedtsch. accepted as Alfredia acantholepis Kar. & Kir.
- Species Carduus timbali Martrin-Donos
- Species Carduus timbalii Martrin-Donos accepted as Carduus nigrescens subsp. vivariensis (Jord.) Bonnier & Layens
- Species Carduus tinctorius Scop. accepted as Serratula tinctoria L.
- Species Carduus tinctorius Ehrh. accepted as Carthamus tinctorius L.
- Species Carduus tinctorius (L.) Falk accepted as Carthamus tinctorius L.
- Species Carduus tioganus (Congdon) A.Heller accepted as Cirsium scariosum var. americanum (A.Gray) D.J.Keil
- Species Carduus tmoleus Boiss.
- Species Carduus tomentosus Gilib. accepted as Cirsium eriophorum (L.) Scop.
- Species Carduus tortuosus Gorl. & Ye.M.Kondratyuk
- Species Carduus tortuosus Gorl. & Kondr. accepted as Carduus hamulosus Ehrh.
- Species Carduus tracyi Rydb. accepted as Cirsium tracyi (Rydb.) Petr.
- Species Carduus transalpinus Suter accepted as Carduus defloratus L.
- Species Carduus transcaspicus Gand.
- Species Carduus traunsteineri Rouy accepted as Carduus grenieri Sch.Bip. ex Nyman
- Species Carduus tricephaloides Lam. accepted as Cirsium rivulare (Jacq.) All.
- Species Carduus trichocephalus Wall. accepted as Tricholepis furcata DC.
- Species Carduus tridentinus Evers accepted as Carduus defloratus subsp. rhaeticus (DC.) Murr
- Species Carduus trilobatus Buch.-Ham. ex DC. accepted as Cirsium verutum (D.Don) Spreng.
- Species Carduus truncatus Greene ex Rydb.
- Species Carduus truncatus Greene accepted as Cirsium calcareum (M.E.Jones) Wooton & Standl.
- Species Carduus tuberosus Jacq.
- Species Carduus tuberosus Vill.
- Species Carduus tuberosus Georgi
- Species Carduus tuberosus L. accepted as Cirsium tuberosum (L.) All.
- Species Carduus turcicus Kazmi accepted as Carduus onopordioides subsp. turcicus (Kazmi) P.H.Davis
- Species Carduus turocensis Margittai
- Species Carduus tweedyi Rydb. accepted as Cirsium eatonii var. murdockii S.L.Welsh
- Species Carduus tyraicus Klokov accepted as Carduus hamulosus Ehrh.
- Species Carduus uliginosus Hort. ex Steud.
- Species Carduus umbrosus Simonk.
- Species Carduus uncinatus M.Bieb.
- Species Carduus undulatus Nutt. accepted as Cirsium undulatum (Nutt.) Spreng.
- Species Carduus uniflorus Turcz. ex DC. accepted as Serratula marginata Tausch
- Species Carduus uniflorus Turcz. ex Ledeb. accepted as Serratula marginata Tausch
- Species Carduus vaillantii Arènes
- Species Carduus valentinus Boiss. & Reut. accepted as Carduus meonanthus subsp. valentinus (Boiss. & Reut.) Devesa & Talavera
- Species Carduus validus Greene accepted as Cirsium scariosum var. citrinum (Petr.) D.J.Keil
- Species Carduus vallisolitanus Pau
- Species Carduus variabilis Arènes
- Species Carduus vaseyi (A.Gray) A.Heller accepted as Cirsium hydrophilum var. vaseyi (A.Gray) J.T.Howell
- Species Carduus velatus (S.Watson) Greene accepted as Cirsium velatum (S.Watson) Petr.
- Species Carduus velebiticus Borbás accepted as Carduus acanthoides L.
- Species Carduus venustum
- Species Carduus venustus Greene accepted as Cirsium occidentale var. venustum (Greene) Jeps.
- Species Carduus verdii Carrière
- Species Carduus verlotii Arènes
- Species Carduus verlotii Arènes
- Species Carduus vernalis Osterh. accepted as Cirsium perplexans (Rydb.) Petr.
- Species Carduus veronensis Arènes
- Species Carduus versicolor Salisb. accepted as Silybum marianum (L.) Gaertn.
- Species Carduus viciosoi Pau
- Species Carduus vinaceus Wooton & Standl. accepted as Cirsium vinaceum (Wooton & Standl.) Wooton & Standl.
- Species Carduus vindobonensis Beck accepted as Carduus defloratus subsp. medius (Gouan) Bonnier
- Species Carduus virgatus Rouy accepted as Carduus nigrescens subsp. australis (Nyman) Greuter
- Species Carduus virginianus Walter
- Species Carduus virginianus L. accepted as Cirsium virginianum (L.) Michx.
- Species Carduus virginianus Bosc ex DC. accepted as Cirsium nuttallii DC.
- Species Carduus viridiflorus Greene
- Species Carduus viridis A.Kern. accepted as Carduus defloratus L.
- Species Carduus vittatus Small accepted as Cirsium horridulum Michx.
- Species Carduus vivariensis Jord. accepted as Carduus nigrescens subsp. vivariensis (Jord.) Bonnier & Layens
- Species Carduus volutarioides Reyes-Bet.
- Species Carduus vranjanus Adamović ex Hayek
- Species Carduus vulgaris Savi accepted as Cirsium vulgare (Savi) Ten.
- Species Carduus weizensis Hayek
- Species Carduus wheeleri (A.Gray) A.Heller accepted as Cirsium wheeleri (A.Gray) Petr.
- Species Carduus winklerianus Dalla Torre
- Species Carduus wolgensis M.Bieb. ex Willd. accepted as Cousinia astracanica (Spreng.) Tamamsch.
- Species Carduus wrightii A.Heller accepted as Cirsium wrightii A.Gray
- Species Carduus xanthacanthus Freyn
- Species Carduus xeranthemoides Sweet accepted as Klasea erucifolia (L.) Greuter & Wagenitz
- Species Carduus zapateri Reverch. & Debeaux
- Species Carduus zapateri E.Rev. & Debeaux accepted as Carduus carpetanus Boiss. & Reut.
- Species Carduus zetterstedtianus Rouy
- Genus Cephalanophlos Fourr. accepted as Cirsium Mill.
- Genus Cephalanophlos Neck. accepted as Cirsium Mill.
- Genus Cirsio-carduus P.Fourn.
- Genus Cirsium Mill. (487)
- Genus Cirsium Adans. accepted as Cirsium Mill.
- Genus Cnicus Gaertn. accepted as Cirsium Mill.
- Genus Cynara L. (12)
- Genus Echinais K.Koch accepted as Cirsium Mill.
- Genus Galactites Moench (4)
- Genus Lamyropsis (Kharadze) Dittrich (5)
- Genus Lophiolepis (Cass.) Cass. accepted as Cirsium Mill.
- Genus Mariana Hill accepted as Silybum Adans.
- Genus Notobasis (Cass.) Cass. (2)
- Genus Nuriaea Susanna, Calleja & Moreyra (2)
- Genus Onotrophe Cass. accepted as Cirsium Mill.
- Genus Orthocentron (Cass.) Cass. accepted as Cirsium Mill.
- Genus Picnomon Adans. (1)
- Genus Ptilostemon Cass. (18)
- Genus Ptilostemum Steud. accepted as Ptilostemon Cass.
- Genus Sillybum Hassk. accepted as Silybum Adans.
- Genus Silybum Adans. (2)
- Genus Tyrimnus (Cass.) Cass. (1)
- Subtribe Carlininae Dumort. (77)
- Subtribe Centaureinae Dumort. (1 092)
- Subtribe Dipterocominae Garcia-Jacas & Susanna (1)
- Subtribe Echinopsidinae accepted as Echinopsinae Dumort.
- Subtribe Echinopsinae Dumort. (192)
- Subtribe Onopordinae Garcia-Jacas & Susanna (82)
- Subtribe Saussureinae Garcia-Jacas & Susanna (652)
- Subtribe Staehelininae Garcia-Jacas & Susanna (7)
- Subtribe Xerantheminae Cass. ex Dumort. (14)
- Genus Carduocirsium E. C. Sennen (3)
- Genus Carthamodes Kuntze
- Genus Carthamoides Vaill. accepted as Carthamus L.
- Genus Carthamoides Wolf accepted as Carduncellus Adans.
- Genus Centaureopappus Heydt
- Genus Centaurium Haller
- Genus Cephalanoplos Neck. accepted as Cirsium Mill.
- Genus Cephalonoplos (Neck. ex DC.) Fourr. accepted as Cirsium Mill.
- Genus Cestrinus Cass. accepted as Rhaponticum Vaill.
- Genus Chamaeleon Cass. accepted as Carlina L. (1)
- Genus Chamaepeuce DC. accepted as Ptilostemon Cass.
- Genus Chamalium Cass.
- Genus Chartolepis Cass. accepted as Centaurea L.
- Genus Cheirolepis Boiss. accepted as Centaurea L.
- Genus Chromatolepis Dulac accepted as Carlina L.
- Genus Chryseis Cass. accepted as Amberboa (Pers.) Less.
- Genus Chrysopappus Takht. accepted as Centaurea L.
- Genus Cirsellium Gaertn. accepted as Atractylis L.
- Genus Cistrum Hill accepted as Centaurea L.
- Genus Clavena DC. accepted as Carduus L.
- Genus Clomium Adans. accepted as Carduus L.
- Genus Cnicus L. accepted as Cirsium Mill. (3)
- Genus Colymbada Hill accepted as Centaurea L. (1)
- Genus Crepula Hill accepted as Centaurea L.
- Genus Crocodilina Bubani accepted as Atractylis L.
- Genus Crupinastrum Schur accepted as Serratula L.
- Genus Cyananthus Raf. accepted as Centaurea L.
- Genus Cyanastrum Cass. accepted as Volutaria Cass.
- Genus Cyanopsis Cass. accepted as Volutaria Cass.
- Genus Cyanus (Juss.) Mill. accepted as Centaurea L. (43)
- Genus Cyathidium Lindl. ex Royle accepted as Saussurea DC.
- Genus Cynaroides (Boiss. ex Walp.) Dostál accepted as Centaurea L.
- Genus Cynaropsis Kuntze accepted as Cynara L.
- Genus Derderia Jaub. & Spach accepted as Jurinea Cass.
- Genus Durandoa Pomel accepted as Carthamus L.
- Genus Echenais Cass. accepted as Cirsium Mill.
- Genus Echinanthus Neck. accepted as Echinops L.
- Genus Echinopsus St.-Lag. accepted as Echinops L.
- Genus Echinopus Mill. accepted as Echinops L.
- Genus Epitrachys (DC. ex Duby) K.Koch accepted as Cirsium Mill.
- Genus Eremopappus Takht. accepted as Centaurea L.
- Genus Erinacella (Rech.f.) Dostál accepted as Centaurea L.
- Genus Eriocoryne Wall. ex DC. accepted as Saussurea DC.
- Genus Eriolepis Cass. accepted as Cirsium Mill.
- Genus Eriopha Hill accepted as Centaurea L.
- Genus Eriostemon Less. accepted as Saussurea DC.
- Genus Erythrolaena Sweet accepted as Cirsium Mill.
- Genus Fornicium Cass. accepted as Rhaponticum Vaill.
- Genus Frolovia (DC.) Lipsch. accepted as Dolomiaea DC.
- Genus Giraldia Baroni accepted as Atractylodes DC.
- Genus Halocharis M.Bieb. ex DC.
- Genus Haplotaxis Endl.
- Genus Hemistepta Bunge accepted as Saussurea DC. (1)
- Genus Heterolophus Cass. accepted as Psephellus Cass.
- Genus Heterotrichum M.Bieb.
- Genus Hirtellina (Cass.) Cass. accepted as Staehelina L.
- Genus Hyalea (DC.) Jaub. & Spach accepted as Centaurea L. (1)
- Genus Hyalochaete Dittrich & Rech.f. accepted as Jurinea Cass. (1)
- Genus Hymenocentron Cass. accepted as Centaurea L.
- Genus Jacea Mill. accepted as Centaurea L. (1)
- Genus Jaceacosta Rauschert
- Genus Jaceitrapa Rauschert
- Genus Jurinella Jaub. & Spach accepted as Jurinea Cass. (2)
- Genus Kentrophyllum Neck. ex DC. accepted as Carthamus L. (1)
- Genus Kentrophyllum Neck.
- Genus Lacellia Viv.
- Genus Lagurostemon Cass. accepted as Saussurea DC.
- Genus Lamyra (Cass.) Cass. accepted as Ptilostemon Cass. (4)
- Genus Lappa Tourn. ex Scop. accepted as Arctium L. (6)
- Genus Leucacantha Nieuwl. & Lunell accepted as Centaurea L.
- Genus Leucantha Gray
- Genus Lipschitziella Kamelin accepted as Jurinea Cass.
- Genus Lipskyella Juz. accepted as Cousinia Cass. (1)
- Genus Lupsia Neck. ex Neck. accepted as Galactites Moench
- Genus Lyrolepis Rech.f. accepted as Carlina L.
- Genus Mastrucium Cass. accepted as Serratula L.
- Genus Mazzettia Iljin
- Genus Microlonchoides Candargy accepted as Jurinea Cass.
- Genus Microlophus Cass. accepted as Centaurea L.
- Genus Modestia Kharadze & Tamamsch. accepted as Anacantha (Iljin) Soják (1)
- Genus Ochrocephala Dittrich accepted as Rhaponticum Vaill. (1)
- Genus Odontolophus Cass. accepted as Psephellus Cass.
- Genus Onobroma Gaertn. accepted as Carduncellus Adans. (1)
- Genus Outreya Jaub. & Spach accepted as Jurinea Cass.
- Genus Palaeocyanus Dostál accepted as Cheirolophus Cass.
- Genus Perplexia Iljin accepted as Jurinea Cass. (1)
- Genus Phaeopappus (DC.) Boiss. accepted as Centaurea L. (1)
- Genus Platyraphium Cass. accepted as Ptilostemon Cass.
- Genus Polyacantha Gray accepted as Notobasis (Cass.) Cass.
- Genus Ptosimopappus Boiss. accepted as Cheirolophus Cass.
- Genus Rhacoma Adans.
- Genus Rhaponticum Ludw. accepted as Rhaponticum Vaill.
- Genus Schumeria Iljin accepted as Klasea Cass. (1)
- Genus Sosnovskya Takht. accepted as Centaurea L.
- Genus Stechmannia DC. accepted as Jurinea Cass.
- Genus Stemmacantha Cass. accepted as Rhaponticum Vaill. (8)
- Genus Stephanochilus Coss. & Durieu ex Maire accepted as Centaurea L. (1)
- Genus Takeikadzuchia Kitag. & Kitam. accepted as Olgaea Iljin
- Genus Theodorea (Cass.) Neck. ex Cass. accepted as Saussurea DC.
- Genus Thevenotula Kuntze accepted as Thevenotia DC.
- Genus Tiarocarpus Rech.f. accepted as Cousinia Cass. (3)
- Genus Tomanthea DC. accepted as Centaurea L.
- Genus Vilaria Guett. accepted as Berardia Vill.
- Genus Vladimiria Iljin accepted as Dolomiaea DC.
- Genus Volutarella Cass. accepted as Volutaria Cass. (6)
- Genus Wagenitzia Dostál accepted as Centaurea L.
- Genus Xanthopsis (DC.) K.Koch accepted as Psephellus Cass.
- Genus Xeroloma Cass. accepted as Xeranthemum L.
- Tribe Cynareae Less. accepted as Cardueae Cass.
- Tribe Cynarocephalae Lam. & DC. accepted as Cardueae Cass.
- Tribe Oldenburgieae S.Ortiz (4)
- Tribe Tarchonantheae Kostel. (20)
- Tribe Tarchonantheae Vis.
- Subfamily Cichorioideae Chevall. (6 817)
- Subfamily Corymbioideae Panero & V.A.Funk (10)
- Subfamily Dicomoideae S. Ortiz (113)
- Subfamily Famatinanthoideae S.E.Freire, Ariza & Panero (1)
- Subfamily Gochnatioideae (Benth. & Hook.f.) Panero & V.A.Funk (103)
- Subfamily Gymnarrhenoideae Panero & V.A.Funk (2)
- Subfamily Hecastocleidoideae Panero & V.A.Funk (1)
- Subfamily Lactucoideae (Cass.) Lindl. accepted as Cichorioideae Chevall.
- Subfamily Lactucoideae Solbrig accepted as Cichorioideae Chevall.
- Subfamily Mutisioideae (Cass.) Lindl. (632)
- Subfamily Pertyoideae Panero & V.A.Funk (99)
- Subfamily Stifftioideae (D.Don) Panero (45)
- Subfamily Vernonioideae B.L.Turner ex R.K.Jansen & Stuessy accepted as Vernonioideae Lindl.
- Subfamily Vernonioideae Lindl. (2 357)
- Subfamily Wunderlichioideae Panero & V.A.Funk (42)
- Genus ×Anthisma
- Genus ×Anthocephalum
- Genus ×Chrysaboltonia
- Genus Absynthium G.Gaertn., B.Mey. & Scherb.
- Genus Acanthosonchus Don ex Hoffm.
- Genus Acarphaea Harv., Gray & ex.A.Gray
- Genus Achyrobaccharis Sch.Bip. ex Walp.
- Genus Achyrocoma Post & Kuntze
- Genus Achyrophorus Vaill. accepted as Hypochaeris L. (4)
- Genus Achyrostephus Kunze ex Rchb.
- Genus Acrolinium Engl.
- Genus Actispermum Raf.
- Genus Adenochaena Steud.
- Genus Adenochaena DC.
- Genus Adenoselen Spach
- Genus Aetheorrhiza Rchb.
- Genus Agalma Steud.
- Genus Aganippea Moc. ex Sessé ex DC. accepted as Jaegeria Kunth
- Genus Agathea Endl.
- Genus Agathomeris Laun.
- Genus Ageratiopsis Sch.Bip. ex Benth. accepted as Ageratina Spach
- Genus Aglaodendron J.Rémy
- Genus Agnesia Zuloaga & Judz.
- Genus Ailotheca Hemsl.
- Genus Aimorra Raf.
- Genus Ainsliea Kuntze
- Genus Alcinia Kunth
- Genus Aliconia Herrera
- Genus Allendea La Llave & Lex. accepted as Liabum Adans.
- Genus Alloeospermum Spreng.
- Genus Alloizonium Walp.
- Genus Aloiozonium Lindl.
- Genus Alymnia Neck. ex Spach
- Genus Amblycarpum Lem.
- Genus Amblyopelis Steud.
- Genus Ambraria Cruse
- Genus Ammanthus Boiss. & Heldr.
- Genus Amoleiachyris Sch.Bip.
- Genus Amphipappus Torr. & A.Gray
- Genus Anactis (Cass. ex DC.) Spach
- Genus Andriala Decne.
- Genus Andromachia Humb.
- Genus Anemonospermos Möhring
- Genus Anemonospermum Comm. ex Steud.
- Genus Anisorhamphus Endl.
- Genus Anisorrhamphus Rchb.
- Genus Anonymos Walter
- Genus Anthe-matricaria Geisenh. ex Domin
- Genus Anthemi-matricaria P.Fourn.
- Genus Anthochytrum Rchb. accepted as Crepis L.
- Genus Anticona E.Linares, J.Campos & A.Galán
- Genus Antitrixia Decaisne
- Genus Aplochlamis Steud.
- Genus Aptilon Raf.
- Genus Aquilula G.L.Nesom
- Genus Arachnopogon Berg ex Haberl
- Genus Archaetogeron Greenm.
- Genus Archanthemis Lo Presti & Oberpr.
- Genus Arctotheca Wendl.
- Genus Argyranthus Neck.
- Genus Argyrocome Breyne
- Genus Arnicula Kuntze
- Genus Arraschkoolia Sch.Bip. ex Hochst.
- Genus Arthemisia Neck.
- Genus Artimisia Roxb.
- Genus Asaemia Harv. ex Benth.
- Genus Ascaridia Rchb.
- Genus Aschenbornia Schauer accepted as Calea L.
- Genus Asiris Anonymous
- Genus Astartoseris N.Kilian, Hand, Hadjik., Christodoulou & Bou Dagh.-Kharr.
- Genus Asterago Everett
- Genus Asteridia N.T.Burb.
- Genus Asterigeron Tzvelev
- Genus Asteriscus Siegesb.
- Genus Asteromaea DC.
- Genus Athalmus Neck.
- Genus Atheolaena Rchb.
- Genus Atractylia Rchb.
- Genus Attractilis Hall. ex Scop.
- Genus Aucheria Steud.
- Genus Autunesia O.Hoffm.
- Genus Balladonia P.S.Short (1)
- Genus Barattia A.Gray & Engelm.
- Genus Barbeya Albov
- Genus Barckhausenia Menke
- Genus Barkhusenia Hoppe
- Genus Barrattia A.Gray & Engelm. ex A.Gray accepted as Simsia Pers.
- Genus Barroetia Post & Kuntze
- Genus Bartolia Adans. accepted as Tridax L.
- Genus Bastera J.F.Gmel.
- Genus Bastia Steud.
- Genus Behrinia Sieber ex Steud.
- Genus Bellidiastrum Vaill.
- Genus Bellidistrum Rchb.
- Genus Bembecodium Lindl.
- Genus Bennetia DC.
- Genus Berarda "Vill."St-Lager
- Genus Berckheya Pers.
- Genus Berinia Brignol.
- Genus Bernardia Endl.
- Genus Bertholetia Rchb.
- Genus Bertilia Cron
- Genus Bethencourtia Choisy
- Genus Binectaria Forssk.
- Genus Bizanilla J.Rémy
- Genus Blanchea Boiss.
- Genus Bojera Steud.
- Genus Bowmannia Gardner accepted as Trixis P.Browne
- Genus Brachioglottis Desportes
- Genus Brachyachaenium Baker accepted as Dicoma Cass.
- Genus Brachycladus Wittstein
- Genus Brachyglottis Forst.
- Genus Brachyoglotis Lam.
- Genus Brachyoglottis Scop.
- Genus Brachyrrhamphus Wittstein
- Genus Bracteantha Anderb.
- Genus Breteuillia Buc'hoz
- Genus Breteuillia Buc'hoz ex DC.
- Genus Buphthalmum Mill.
- Genus Cabralia F. von Paula von Schrank
- Genus Cacalia Burm.
- Genus Calendella Kuntze
- Genus Calimeris Nees
- Genus Callias Cass.
- Genus Calophthalmum Rchb.
- Genus Caltha Tourn. ex Adans.
- Genus Calycosorus Endl.
- Genus Calymnandra Lindl.
- Genus Campylochinium Endl.
- Genus Caputia B.Nord. & Pelser
- Genus Carelia Fabr. accepted as Ageratum L.
- Genus Carelia Möhring
- Genus Carelia Cav.
- Genus Carnutia Baker accepted as Melampodium L.
- Genus Carpezium Gouan
- Genus Catanance St.-Lag.
- Genus Catyona Lindl.
- Genus Centroclinion Orb.
- Genus Cephalopterum T.Post & Kuntze
- Genus Ceratogyna T.Post & Kuntze
- Genus Cereopsis Blanco
- Genus Cervana Endl.
- Genus Chaenolobus Small
- Genus Chaetantera Less.
- Genus Chaethymenia Endl.
- Genus Chaetophora Nutt. ex DC.
- Genus Chaetophora Schrank
- Genus Chakiatella DC.
- Genus Chalarium Poit. ex DC.
- Genus Chamaemelum Adans.
- Genus Chamissomenia Kuntze accepted as Schlechtendalia Less.
- Genus Chaptalia Royle
- Genus Chareis N.T.Burb.
- Genus Chersodoma Phil. & Cabrera
- Genus Chicorium Dumort.
- Genus Childsia Childs
- Genus Chilodia R.Br. accepted as Wulffia Neck.
- Genus Chiroloma T.Post & Kuntze
- Genus Chlaotrachelus Hook.f.
- Genus Chone Dulac
- Genus Chrisanthemum Neck. accepted as Chrysanthemum L.
- Genus Chrysaboltonia Arends
- Genus Chrysanthemoides Tourn. ex Medik.
- Genus Chrysocome St.-Lag.
- Genus Chrysogonum L. & F.Br.
- Genus Chrysopelta Tausch
- Genus Claotrachelus Zoll. & Moritz ex Zoll. accepted as Vernonia Schreb.
- Genus Clariona Spreng.
- Genus Clarionea Cass. accepted as Perezia Lag.
- Genus Clarionia D.Don accepted as Perezia Lag.
- Genus Cleistanthium Kunze
- Genus Cleithria Steud.
- Genus Clomenolepis Cass.
- Genus Cnenamum Tausch
- Genus Coelestina Hill
- Genus Coelestinia Endl.
- Genus Coenotus Benth. & Hook.f.
- Genus Colonnea Endl.
- Genus Colycea Fern.Casas & Susanna accepted as Centaurea L.
- Genus Conisa Desf. ex Steud.
- Genus Coniza Neck.
- Genus Conopsis Nutt. ex Less. accepted as Coreopsis L.
- Genus Conysa Adans.
- Genus Conysa Burm.f.
- Genus Conyza Hill
- Genus Conyzella Fabric. accepted as Conyza Less.
- Genus Conyzoides Tourn. ex DC.
- Genus Coriopsis Post & Kuntze
- Genus Coronocarpus Schumach.
- Genus Cosmus Pers. accepted as Cosmos Cav. (1)
- Genus Cotyla Kuntze & Post accepted as Cotula Tourn. ex L.
- Genus Covola Neck. ex Raf.
- Genus Cremocephalium Miq.
- Genus Crepidospermum Benth. & Hook.f.
- Genus Criscianthus Grossi & J.N.Nakaj.
- Genus Crossocephalum Britten
- Genus Crossolepsis N.T.Burb.
- Genus Cryptodia Sch.Bip.
- Genus Cryptopetalum Cass. accepted as Pectis L.
- Genus Cryptopetalum DC.
- Genus Ctenosperma F.Muell. ex Pfeiff.
- Genus Culcitum N.T.Burb.
- Genus Cupidone Lemaire
- Genus Cyclolepsis Endl.
- Genus Cyclopis Guill.
- Genus Cylindrachne Rchb.
- Genus Cyrethrum Boiss.
- Genus Dalea P.Browne accepted as Critonia P.Browne
- Genus Damatras Rchb.
- Genus Damatrias Rchb.
- Genus Delilea Kuntze
- Genus Delwiensia W.A.Weber & R.C.Wittmann
- Genus Dendrocacalia (Nakai) Nakai
- Genus Dendroviguiera E.E.Schill. & Panero
- Genus Deneckia Sch.Bip.
- Genus Denekea Dinter
- Genus Denneckia Steud.
- Genus Desmocephalus Benth. & Hook.f.
- Genus Dewildemania O.Hoffm. ex De Wild.
- Genus Diaspanthus Kitam.
- Genus Diatonta Walp. accepted as Bidens L.
- Genus Diatosperma Mueller Hal.
- Genus Diatosperma Müll.Berol.
- Genus Dichaeta Sch.Bip. accepted as Macvaughiella R.M.King & H.Rob.
- Genus Dicrocephala Royle
- Genus Diospermum Hook.f.
- Genus Diotis Schreb.
- Genus Diplopapus Raf.
- Genus Diplostylis Sond.
- Genus Diplothria Walp.
- Genus Disynanthes Rchb.
- Genus Disynapheia Steud.
- Genus Dithrichum DC.
- Genus Dolicholasium Spreng.
- Genus Dolicotheca Benth. & Hook.f.
- Genus Doria Adans.
- Genus Doroboea DC.
- Genus Dracopsis Cass. accepted as Rudbeckia L.
- Genus Duguldea Meisn.
- Genus Duhaldia Sch.Bip.
- Genus Dysinanthus Raf. ex DC.
- Genus Dysodea Borkh. accepted as Crepis L.
- Genus Dysodia DC.
- Genus Dysodia Spreng.
- Genus Ecliptica Rumph.
- Genus Edwardsia Endl.
- Genus Eizaguirrea J.Rémy
- Genus Electranthera Mesfin, D.J.Crawford & Pruski
- Genus Eleutheranthera Poit. ex Bosc
- Genus Elvina Steud.
- Genus Emelia Wight
- Genus Enchelya Lem.
- Genus Enchydra F.Muell.
- Genus Engelmannia Torr. & A.Gray
- Genus Englemannia A.Gray & ex.Nutt.
- Genus Enula Neck.
- Genus Epalthes Walp.
- Genus Epilasia Benth. & Hook.f.
- Genus Epilatoria Comm. ex Steud.
- Genus Epilepsis Lindl.
- Genus Erechthites Less.
- Genus Ericentrodea Blake, Sherff & Sherff
- Genus Eriocarpha Cass. accepted as Montanoa Cerv.
- Genus Erioclepis Fourr.
- Genus Eriocoryna Steud.
- Genus Erytheremia Endl.
- Genus Espletia Steud.
- Genus Eualcida Hemsl.
- Genus Eucalia Raeusch.
- Genus Eupatoriophalacron Adans.
- Genus Euphrosine Endl.
- Genus Euphrosinia Rchb.
- Genus Eurybia (Cass.) Cass. (1)
- Genus Euthamia Elliott
- Genus Eyselia Reichb. accepted as Egletes Cass.
- Genus Faberia Hemsl. ex Forb. & Hemsl.
- Genus Feea Kuntze
- Genus Filfia Holub
- Genus Fivaldia Walp.
- Genus Fleurotia Rchb.
- Genus Fornea Steud.
- Genus Frageria Delile ex Steud.
- Genus Frankia Steud. ex Steud.
- Genus Frankoeria Steud.
- Genus Freemannia Steud.
- Genus Frivaldzkia Rchb.
- Genus Gaillarda St.-Lag.
- Genus Gaillardia Fouger.: Biddulph
- Genus Galactella Raf.
- Genus Galardia Lam.
- Genus Galasia W.D.J.Koch
- Genus Galinsogaea Himpel accepted as Galinsoga Ruiz & Pav.
- Genus Galinsogaea Zucc.
- Genus Galinsogea Willd. accepted as Galinsoga Ruiz & Pav.
- Genus Galinsoja Roth accepted as Galinsoga Ruiz & Pav.
- Genus Galinzoga Dumort.
- Genus Galisongea Willd.
- Genus Gallinsoga St.Hil. accepted as Galinsoga Ruiz & Pav.
- Genus Gallinsoga J.St.-Hil.
- Genus Gamazygis Pritz.
- Genus Garaleum Sch.Bip.
- Genus Garcillasoa Post & Kuntze
- Genus Gareilassa Walp.
- Genus Garulium Bartl.
- Genus Gazaniopsis C.Huber
- Genus Gazzania
- Genus Geblera Kitag. accepted as Crepidifolium Sennikov
- Genus Geigera Less.
- Genus Gemmaria Noronha
- Genus Geracium Mössler accepted as Crepis L.
- Genus Gerbera Gronov.
- Genus Gerbera Cass.
- Genus Gerberia Cass.
- Genus Ginura Vidal y Soler
- Genus Ginura S.Vidal
- Genus Gnaphalium Adans.
- Genus Gnaphalodes Tourn. ex Adans.
- Genus Golionema "S.Wats." ex O.Hoffm.
- Genus Gomesia La Llave
- Genus Gomezia Benth. & Hook.f.
- Genus Gonzalezia E.E.Schill. & Panero
- Genus Gortera Hill
- Genus Grammartheon Rchb.
- Genus Grantia Griff.
- Genus Greenmaniella Sharp
- Genus Guandiola Steud.
- Genus Guardiola Cerv. ex Bonpl.
- Genus Guntheria Benth. & Hook.f.
- Genus Guzmannia F.Phil.
- Genus Gymnarrhea Steud.
- Genus Gymnema Endl.
- Genus Gymnoloma Ker Gawl.
- Genus Gymnostyles Raf.
- Genus Gymnoxis Steud.
- Genus Gymostyles Willd.
- Genus Gyneteria Spreng.
- Genus Gynoxis Rchb.
- Genus Haberlea Pohl ex Baker
- Genus Hacub Boehm.
- Genus Haegiela P.S.Short
- Genus Haenslera Steud.
- Genus Hainanecio Y.Liu & Q.E.Yang
- Genus Halea L. accepted as Eupatorium Tourn. ex L.
- Genus Hamalium Hemsl.
- Genus Hapalochlamys Kuntze
- Genus Hapalochlamys Rchb.
- Genus Hapalostephium D.Don accepted as Crepis L.
- Genus Hapalostephium D.Don ex Sweet
- Genus Hapalus Endl.
- Genus Haplopappus Endl.
- Genus Haradjania Rech.f.
- Genus Harpachaena Bunge accepted as Acanthocephalus Kar. & Kir.
- Genus Harpalyce D.Don
- Genus Harpocarpus Endl. accepted as Acanthocephalus Kar. & Kir.
- Genus Harrisonia Neck.
- Genus Hartwrightia A.Gray
- Genus Havanella Kuntze
- Genus Haxtonia Caley ex G.Don
- Genus Hecatactis F.Muell.
- Genus Hectorea DC.
- Genus Hedraiophyllum Less. ex Steud.
- Genus Hedypnois Schreb.
- Genus Heiseria E.E.Schill. & Panero
- Genus Helemonium Steud.
- Genus Heleneum Buckley
- Genus Helenia Mill.
- Genus Helenia Zinn
- Genus Heleniastrum Mill.
- Genus Heleniastrum Kuntze
- Genus Helenomoium Willd. ex DC. accepted as Heliopsis Pers.
- Genus Helianthemum Gray
- Genus Helichryson
- Genus Helicta Less.
- Genus Heliochroa A.Gray
- Genus Helipteron St.-Lag.
- Genus Helmentia J.St.-Hil.
- Genus Helminta Willd.
- Genus Helminthia DC.
- Genus Helminthion St.-Lag.
- Genus Helminthoteca Vaill. ex Juss.
- Genus Helminthotheca Vaill. ex Boehm.
- Genus Heloseris Rchb. ex Steud.
- Genus Hemilepis Schltdl. accepted as Leontodon L.
- Genus Hemilepis Kunze
- Genus Hemiptilium A.Gray accepted as Stephanomeria Nutt.
- Genus Hemolepis Hort. ex E.Vilm.
- Genus Henanthus Less
- Genus Henslera Rchb.
- Genus Heocarphus Phil.
- Genus Heraclea Hill
- Genus Herbichia Zaw.
- Genus Herbichia Zaw. ex Guill.
- Genus Herotium Steud.
- Genus Hersilea Klotzsch
- Genus Hertia Neck.
- Genus Hesperoseris Skottsb. accepted as Dendroseris D.Don
- Genus Heteracantha Link ex Steud.
- Genus Heteracea Steud.
- Genus Heteranthus Bonpl. ex Cass. accepted as Perezia Lag.
- Genus Heterodonta Nutt. ex Benth. & Hook.f.
- Genus Heterolaena Sch.Bip. ex Benth. & Hook.f. accepted as Chromolaena DC.
- Genus Heteromorpha Viv. ex Coss.
- Genus Heteropleura Sch.Bip. accepted as Hieracium Tourn. ex L.
- Genus Heterorachis Sch.Bip.
- Genus Heterospermum Willd. accepted as Heterosperma Cav.
- Genus Hieraceum Hoppe
- Genus Hierachium Hill
- Genus Hieraciastrum Heist. ex Fabr.
- Genus Hieracioides Fabr.
- Genus Hieracion St.-Lag.
- Genus Hieracum
- Genus Hierapicra Kuntze
- Genus Hingcha Roxb.
- Genus Hinghstonia Steud.
- Genus Hinterhubera Sch.Bip. accepted as Chrysanthellum Rich.
- Genus Hinterhubera Sch.Bip. ex Hochst. accepted as Chrysanthellum Rich.
- Genus Hinterhubera Sch.Bip.
- Genus Hiorthia Neck.
- Genus Hiortia Juss.
- Genus Hipochaeris Nocca
- Genus Hipochoeris Neck.
- Genus Hippia L.f. accepted as Cotula Tourn. ex L.
- Genus Hippophaestum Gray
- Genus Hisutua
- Genus Hochstettera Spach
- Genus Hohenwartha Vest
- Genus Homalanthus Wittst.
- Genus Homalotes Endl.
- Genus Homalotheca Rchb.
- Genus Homostylium Nees
- Genus Hookia Neck.
- Genus Hoorebeckia Steud.
- Genus Hoorebekia Corneliss.
- Genus Hopkirkia Spreng. accepted as Salmea DC.
- Genus Hopkirkia DC. accepted as Schkuhria Roth.
- Genus Huenefeldia Walp.
- Genus Hunefeldia Lindl.
- Genus Hunteria ex DC.
- Genus Hyalospermum Benth. & Hook.f.
- Genus Hylethale Link
- Genus Hymenomena Less.
- Genus Hymenostephium Benth. & Hook.f.
- Genus Hypochoeris L.
- Genus Hyppochaeris Biv.
- Genus Hysteronica Endl.
- Genus Hysterophorus Adans.
- Genus Ichthyothera [Klotzsch & ex]
- Genus Ichtyothere DC.
- Genus Icthyothere Baker
- Genus Ictinus Cass. accepted as Gorteria L.
- Genus Idianthes Desv. accepted as Crepis L.
- Genus Idicium Neck.
- Genus Indoixeris Kitam.
- Genus Infantea Remy accepted as Amblyopappus Hook. & Arn.
- Genus Ingenhousia Kuntze
- Genus Ingenhousia Steud.
- Genus Ingenhouzia Bertero ex DC.
- Genus Inthybus Herder
- Genus Intybellia Monn.
- Genus Intybus Fr. accepted as Crepis L.
- Genus Intybus Zinn
- Genus Inyonia M.E.Jones
- Genus Iocaste E.Mey. ex DC.
- Genus Iodocephalopsis S. Bunwong & H.Rob. (1)
- Genus Iodocephalopsis Bunwong & H.Rob.
- Genus Iranoaster Kaz.Osaloo, Farhani & Mozaff. (1)
- Genus Isanthus DC. accepted as Perezia Lag.
- Genus Ischnaea
- Genus Ismaria Raf. accepted as Brickellia Elliott
- Genus Isocarpha Less. accepted as Ageratum L.
- Genus Isomeria D.Don ex DC.
- Genus Iteria Hort.
- Genus Ixauchenus Cass. accepted as Lagenophora Cass.
- Genus Ixiauchenus Less.
- Genus Ixine Hill
- Genus Ixiochlamys F.Muell. ex Sond.
- Genus Jacobaea Burm.
- Genus Jacobaea Burm. ex Kuntze
- Genus Jacobea Thunb.
- Genus Jacosta DC.
- Genus Jacquemontia Bél.
- Genus Jalambica Raf.
- Genus Jamesia Nees
- Genus Japonicalia C.Ren & Q.E.Yang
- Genus Jardinia Sch.Bip.
- Genus Jeffreya Cabrera
- Genus Jeffreyzia
- Genus Jessenia F.Muell. ex Sond.
- Genus Jobaphes Phil. accepted as Aphyllocladus Wedd. (1)
- Genus Jocaste Meisn.
- Genus junceum (Poljakov) Filatova
- Genus Kahiria Forssk.
- Genus Kalimares Raf.
- Genus Kallophyllon Pohl ex Baker
- Genus Karthemia Sch.Bip.
- Genus Keerlia A.Gray & Engelm.
- Genus Kegelia Sch.Bip. accepted as Eleutheranthera Poit.
- Genus Keringa Raf.
- Genus Kiliana Sch.Bip. ex Hochst.
- Genus Kiliania Sch.Bip. ex Benth. & Hook.f.
- Genus Kitamuraea Rauschert accepted as Miyamayomena Kitam.
- Genus Kitamuraster Soják accepted as Miyamayomena Kitam.
- Genus Kleina Cothen.
- Genus Klenzea Sch.Bip. ex Steud.
- Genus Klenzea Sch.Bip. ex Hochst.
- Genus Koanophyllon Arruda ex H.Kost.
- Genus Koanophyllum Arruda ex H.Kost.
- Genus Koechlea Endl.
- Genus Kralikia Sch.Bip.
- Genus Kraussia Sch.Bip.
- Genus Krenamon Adans.
- Genus Kuhniodes Post & Kuntze
- Genus Kyberia Neck.
- Genus Kymapleura (Nutt.) Nutt. accepted as Agoseris Raf.
- Genus Kyrstenia Neck. ex Greene accepted as Ageratina Spach
- Genus Kyrstenia Neck. accepted as Ageratina Spach
- Genus Lachanostachys Endl.
- Genus Lachnothalamus F.Muell.
- Genus Laciala Kuntze
- Genus Laciniaria Kuntze
- Genus Laciniaria Hill
- Genus Lactucopsis Sch.Bip. ex Vis.
- Genus Laenecia Sch.Bip. ex Walp.
- Genus Laenecia Sch.Bip.
- Genus Lagaseris
- Genus Lagenifera Cass.
- Genus Lagerophora Domin
- Genus Laggera Sch.Bip. ex Walp. accepted as Cotula Tourn. ex L.
- Genus Laggera Sch.Bip. ex Benth.
- Genus Lagoseris Hoffmanns. ex Hoffmanns. & Link
- Genus Lagothamnus Nutt.
- Genus Lalda Bubani
- Genus Lamprochlaena F.Muell.
- Genus Lampsana Mill.
- Genus Lampsana Rupp.
- Genus Lancisia Ponted. ex Adans.
- Genus Langsdorffia Willd. ex Steud.
- Genus Lapeirousia Thunb.
- Genus Lapeyrousia Thunb.
- Genus Lapeyrousia Spreng.
- Genus Lapsyoungia Hiyama
- Genus Lasallea Greene accepted as Aster L.
- Genus Lasianthea Endl.
- Genus Lasiocarphus Pohl ex Baker
- Genus Lasiophyton Hook. & Arn.
- Genus Lasiopus D.Don
- Genus Lasiorhiza Kuntze
- Genus Lasiospermum Fisch.
- Genus Launaea Auct. accepted as Launaea Cass.
- Genus Launaya Kuntze
- Genus Launaya Rchb.
- Genus Launea Endl.
- Genus Laurencellia Neumann
- Genus Laurentia Steud. accepted as Sanvitalia Lam.
- Genus Lavidia Phil.
- Genus Laxanon Raf.
- Genus Laxmannia J.R.Forst. & G.Forst. accepted as Petrobium R.Br.
- Genus Laxmannia Forst.
- Genus Laxopetalum Pohl ex Baker
- Genus Laya Endl.
- Genus Lebianthus K.Schum.
- Genus Leeria Steud.
- Genus Leiodon Shuttlew. ex Sherff
- Genus Lejica Hill ex DC. accepted as Zinnia L.
- Genus Leo Phil. accepted as Helogyne Nutt.
- Genus Leontodon Adans.
- Genus Leontondon Robin
- Genus Leontonix Heynh.
- Genus Leontopodion St.-Lag.
- Genus Lepicline Less.
- Genus Lepidonema Fisch. & C.A.Mey.
- Genus Lepidopappus Moc. & Sessé ex DC.
- Genus Lepidophorum Neck. ex DC.
- Genus Lepidopogon Tausch
- Genus Lepidoseris (H. G. L. Reichenbach) Fourr.
- Genus Leptalea D.Don ex Hook. & Arn.
- Genus Leptica E.Mey. ex DC.
- Genus Leptocarpha Endl.
- Genus Leptoclinium Benth.
- Genus Leptorhynchus F.Muell.
- Genus Leptotis Hoffmanns.
- Genus Lerchia Rchb.
- Genus Lestadia Spach accepted as Laestadia Kunth ex Less.
- Genus Lestibodea Neck.
- Genus Lestibudaea Juss.
- Genus Lettowia H.Rob. & Skvarla
- Genus Leucaeria DC.
- Genus Leucampyx A.Gray accepted as Hymenopappus L'Hér.
- Genus Leucanthemum Burm.
- Genus Leucanthemum Burm. ex Kuntze
- Genus Leuceria Lag. accepted as Leucheria Lag.
- Genus Leuchaeria Less.
- Genus Leucoglossum S.Imai
- Genus Leucophyton Less. accepted as Leucophyta R.Br.
- Genus Leucopodon Benth. & Hook.f.
- Genus Leucopodum Gardner accepted as Chevreulia Cass.
- Genus Leucoseris Fourr.
- Genus Leucostemma D.Don
- Genus Leuctodon Auct.
- Genus Leukeria Endl.
- Genus Leyseria Neck.
- Genus Liathris Müll.Berol.
- Genus Libinhania N.Kilian, Galbany, Oberpr. & A.G.Mill.
- Genus Lidbecka Cothen.
- Genus Lidbekia Spreng.
- Genus Lieberkuehna Rchb.
- Genus Lieberkuehnia Rchb.
- Genus Lieberkuhnia Less.
- Genus Limnocrepis Fourr. accepted as Crepis L.
- Genus Limnogenneton Sch.Bip. accepted as Micractis DC.
- Genus Limnoseris 'Peterm.'
- Genus Limonoseris Peterm. accepted as Crepis L.
- Genus Lioydia Neck.
- Genus Lioydia Neck. ex Raf.
- Genus Lipochaete Benth.
- Genus Lipotriche Less. accepted as Lipochaeta DC.
- Genus Lloydia Benth. & Hook.f.
- Genus Locheria Neck.
- Genus Lomanthus B.Nord. & Pelser
- Genus Lomaxeta Raf.
- Genus Lophactis Raf.
- Genus Lophoclinium Endl.
- Genus Lophoptilon Gagnep.
- Genus Lorantea Steud.
- Genus Loranthea Steud.
- Genus Lorentia Sweet
- Genus Luthera Sch.Bip.
- Genus Lycotis Hoffmanns.
- Genus Lyonetia Willk.
- Genus Lyonettia Endl.
- Genus Macrocephalus Lindl.
- Genus Macropertya Honda
- Genus Macrorrhyncus Brongn.
- Genus Madacarpus Wight
- Genus Madaraglossa Hook.
- Genus Madea Sol. ex DC.
- Genus Maecharanthera Pritz.
- Genus Mahometa DC.
- Genus Maja Wedd.
- Genus Malacocephalus Tausch
- Genus Mallinoa J. Coulter accepted as Ageratina Spach
- Genus Mandonia Sch.Bip. accepted as Hieracium Tourn. ex L.
- Genus Margacola Buckley
- Genus Margaritaria Opiz
- Genus Mariacantha Bubani
- Genus Marizia Gand.
- Genus Marschallia Bartl.
- Genus Martrasia Lag. accepted as Jungia L.f.
- Genus Maruta (Cass.) Cass.
- Genus Mastigophorus Cass. accepted as Nassauvia Comm. ex Juss.
- Genus Matamoria La Llave
- Genus Matricaria Hall. ex Scop.
- Genus Matricarioides (Less.) Spach
- Genus Mausolea Bunge ex Podlech
- Genus Medicasia Willk.
- Genus Medicula Medik.
- Genus Medicusia Moench accepted as Picris L.
- Genus Meistera Cothen.
- Genus Meisteria Scop. accepted as Pacourina Aubl.
- Genus Melanenthera Link
- Genus Melissopsis Sch.Bip. ex Baker
- Genus Menomphalus Pomel
- Genus Metagnanthus Endl.
- Genus Metagnathus Benth. & Hook.f.
- Genus Metaxanthus Walp.
- Genus Metazanthus Meyen
- Genus Meteorina Cass. accepted as Dimorphotheca Vaill. ex Moench
- Genus Meyerafra Kuntze
- Genus Michauxia Neck.
- Genus Micrauchenia Froel.
- Genus Microcoecia Hook. accepted as Delilia Spreng.
- Genus Microcoecia Hook.f.
- Genus Microderis D.Don ex Gand.
- Genus Microlecana Sch.Bip. accepted as Bidens L.
- Genus Microlecane Sch.Bip. accepted as Bidens L.
- Genus Microlonchoides P.Candargy
- Genus Microlophopsis Czerep.
- Genus Micropappus (Sch.Bip.) C.F.Baker
- Genus Microrynchus Sch.Bip.
- Genus Miegia Neck.
- Genus Millefolium Tourn. ex Adans.
- Genus Millefolium Hill
- Genus Millera St.-Lag.
- Genus Millera Cothen.
- Genus Millottia Stapf
- Genus Mimela Phil. accepted as Leucheria Lag.
- Genus Minuriella Tate
- Genus Miradoria Sch.Bip. ex Benth. & Hook.f.
- Genus Mischanthus Coss.
- Genus Mitina Adans.
- Genus Mnesitheon Spreng.
- Genus Moehnia Neck.
- Genus Moerkensteinia Opiz
- Genus Molpadia (Cass.) Cass. accepted as Telekia Baumg.
- Genus Monilifera Adans.
- Genus Monophalacrus Cass. accepted as Tessaria Ruiz & Pav.
- Genus Montagnaea DC. accepted as Montanoa Cerv.
- Genus Montagnea Seem.
- Genus Moritzia Sch.Bip. ex Benth. & Hook.f.
- Genus Morna Lindl.
- Genus Moronoa Hort. ex Kunze
- Genus Morrenia Kunze accepted as Mikania Willd.
- Genus Moscaria Pers.
- Genus Moschifera Molina
- Genus Mosigia Spreng.
- Genus Munrozia Steud.
- Genus Mutisa Cothen.
- Genus Myconia Vent.
- Genus Mycropus Gouan
- Genus Mycroseris Hook. & Arn.
- Genus Myctanthes Raf.
- Genus Myoseris Link accepted as Crepis L.
- Genus Myriogyne Less. accepted as Centipeda Lour.
- Genus Nacrea A.Nelson
- Genus Nahuatlea V.A.Funk
- Genus Namibithamnus H.Rob., Skvarla & V.A.Funk
- Genus Narbalia Raf.
- Genus Nassavia Spreng.
- Genus Nassawia Lag.
- Genus Nassovia Batsch
- Genus Neactelis Raf.
- Genus Nematopus A.Gray
- Genus Nemolepis E.Vilm.
- Genus Neobartlettia R.M.King & H.Rob. accepted as Bartlettina R.M.King & H.Rob.
- Genus Neo-taraxacum Y.R.Ling & X.D.Sun
- Genus Neurelmis Raf.
- Genus Neurochlaena Less.
- Genus Newtonia O.Hoffm.
- Genus Nicolettia Benth. & Hook.f.
- Genus Niebuhria Neck. ex Britton accepted as Wedelia Jacq.
- Genus Niebuhria Neck. accepted as Wedelia Jacq.
- Genus Noccaea Kuntze accepted as Lagascea Cav. (1)
- Genus Nothonia Endl.
- Genus Notisia P.S.Short (1)
- Genus Obaejaca (Cass.) Cass. accepted as Senecio L.
- Genus Obeliscaria Cass. accepted as Ratibida Raf.
- Genus Obeliscotheca Vaill. ex Adans. accepted as Rudbeckia L. (1)
- Genus Obelisteca Raf. accepted as Ratibida Raf.
- Genus Oboejaca Steud.
- Genus Ocneron Raf.
- Genus Odoglossa Raf.
- Genus Odontocarpha Poepp. ex DC. accepted as Gutierrezia Lag.
- Genus Odontophyllum (Less.) Spach
- Genus Odontoptera Cass. accepted as Arctotis L.
- Genus Oederia DC.
- Genus Oegroe Phil.
- Genus Ogcerostylus Cass. accepted as Siloxerus Labill.
- Genus Oligaerion Cass.
- Genus Oliganthemum F.Muell. accepted as Pluchea Cass.
- Genus Oligocarpha Cass. accepted as Brachylaena R.Br.
- Genus Oligodorella Turcz.
- Genus Oligodorum Spach
- Genus Oligoglossa DC.
- Genus Oligotheca
- Genus Onopix Raf.
- Genus Onopyxos Spreng.
- Genus Onopyxus Bubani
- Genus Ooclinium DC. accepted as Praxelis Cass.
- Genus Ophyrosporus Baker
- Genus Opicrina Raf.
- Genus Oporina Less.
- Genus Oporinea W.H.Baxter
- Genus Orchaenactis "coville" ex O.Hoffm.
- Genus Oreodoxa
- Genus Oreophila D.Don accepted as Hypochaeris L.
- Genus Oreoseris DC.
- Genus Oresigonia Willd. ex DC. accepted as Senecioneae Cass.
- Genus Oresigonia Willd. ex Less.
- Genus Orestion Raf.
- Genus Oriastrum Poepp. (1)
- Genus Orsina Bertol. accepted as Inula L.
- Genus Osmia Sch.Bip. accepted as Chromolaena DC.
- Genus Osmitiphyllum Sch.Bip.
- Genus Osteiza Steud.
- Genus Oswaldia Cass. accepted as Clibadium F.Allam. ex L.
- Genus Oswaldia Less. accepted as Clibadium F.Allam. ex L.
- Genus Otoglyphis Pomel
- Genus Oxerostylus Steud.
- Genus Oxiphoeria Hort. ex Dum.Cours.
- Genus Oxodon Steud.
- Genus Oxylaena Benth.
- Genus Oxylobus Moc. ex DC.
- Genus Oxyodon DC. accepted as Chaptalia Vent.
- Genus Oxyphaeria Steud.
- Genus Oxypheria DC.
- Genus Oxyphoeria Dum.Cours.
- Genus Oxytripolium Anonymous
- Genus Pachycentron Pomel
- Genus Pachychaeta Sch.Bip. ex Baker
- Genus Pachyderis Cass. accepted as Pteronia L.
- Genus Pachylepis Less. accepted as Crepis L.
- Genus Pachyrhynchus DC. accepted as Lucilia Cass.
- Genus Pachyrynchus Steud.
- Genus Pachysurus Steetz
- Genus Pachythrix Hook.f.
- Genus Pacquerina Cass. ex Sond.
- Genus Paleolaria Cass. accepted as Palafoxia Lag.
- Genus Panargyrum D.Don accepted as Nassauvia Comm. ex Juss.
- Genus Panargyrus Lag.
- Genus Paneroa E.E.Schill.
- Genus Panetia Fenzl
- Genus Paniopsis Raf.
- Genus Panios Adans.
- Genus Paquerina Cass. accepted as Bellis L. (1)
- Genus Paquirea Panero & S.E.Freire
- Genus Parasenaria J.M.H.Shaw
- Genus Parasyncalathium J.W. Zhang, Boufford & H.Sun (1)
- Genus Pardisium Burm.f.
- Genus Parthenopsis Kellogg
- Genus Passacardoa Wild accepted as Pasaccardoa Kuntze
- Genus Pegolletia Less.
- Genus Penanthes Vell.
- Genus Pentanthus Hook. & Arn.
- Genus Pentanthus Less.
- Genus Pentataxis D.Don
- Genus Penthanthus Steud.
- Genus Pentheriella O.Hoffm. & Muschl.
- Genus Pentiphragma Hook.
- Genus Pereuphora Hoffmanns.
- Genus Pereziopsis Coult. accepted as Onoseris Willd.
- Genus Pericallis Webb & Berthel.
- Genus Perimenium Steud.
- Genus Peripleura Clifford & Ludlow
- Genus Peritris Raf.
- Genus Personaria Lam.
- Genus Perymeniopsis Sch.Bip. ex Klatt
- Genus Petalactella N.E.Br. accepted as Ifloga Cass.
- Genus Petalolepis Cass. accepted as Ozothamnus R.Br.
- Genus Petalolepis Less.
- Genus Petasitis Mill.
- Genus Petrantha DC.
- Genus Petrodavisia Holub
- Genus Petrollinia Chiov. accepted as Inula L.
- Genus Petronia Jungh.
- Genus Peurousea Steud.
- Genus Phacellothrix F.Muell. accepted as Helichrysum Mill. (1)
- Genus Phaenopoda Cass. accepted as Podosperma Labill.
- Genus Phaethusia Raf.
- Genus Phaetusa Schreb.
- Genus Phalacroglossum Sch.Bip.
- Genus Phalacromesus Cass. accepted as Tessaria Ruiz & Pav.
- Genus Pharia Steud.
- Genus Phenopus Hook.f.
- Genus Phialis Spreng. accepted as Trichophyllum Nutt.
- Genus Philaginopsis Walp.
- Genus Phoenicopus Spach
- Genus Phoenicoseris (Skottsb.) Skottsb. accepted as Sonchus L.
- Genus Phoenixopus Rchb.
- Genus Phoenocoma G.Don
- Genus Phoenopus Nyman
- Genus Phrenanthes Wigg.
- Genus Phyllactinia Benth.
- Genus Phyllactis Steud.
- Genus Phyllochilium Cabrera accepted as Chiliophyllum Phil.
- Genus Phyllopappus Walp.
- Genus Phyllostelidium Beauverd
- Genus Phyllymena Blume ex Miq.
- Genus Picardenia Steud.
- Genus Picrina Rchb. ex Steud.
- Genus Pietrosia Nyár. accepted as Andryala L.
- Genus Pietrosia Nyár.
- Genus Pilosanthus Steud.
- Genus Pilosella F.W.Schultz & Sch.Bip.
- Genus Pinardia Neck.
- Genus Pinillosia Ossa
- Genus Piptopogon Cass. accepted as Hypochaeris L.
- Genus Piptostemma (D.Don) Spach
- Genus Piptostemum Steud.
- Genus Pirarda Adans.
- Genus Pitchia Auct.
- Genus Plagion St.-Lag.
- Genus Plancia Neck.
- Genus Platzchaeta Sch.Bip.
- Genus Pleocarpus Walp.
- Genus Pluechea Zoll. & Moritzi
- Genus Pluridens Neck.
- Genus Podia Neck.
- Genus Poecilotriche Dulac
- Genus Pogonura DC. ex Lindl.
- Genus Poilania Gagnep.
- Genus Polatherus Raf.
- Genus Poljakanthema Kamelin
- Genus Poloa DC.
- Genus Polyacantha Hill
- Genus Polyachris Walp.
- Genus Polycalymma F.Muell. ex Sond.
- Genus Polycantha Hill
- Genus Polyclados Phil. accepted as Parastrephia Nutt.
- Genus Polymniastrum Small accepted as Smallanthus Mack.
- Genus Polypappus Nutt.
- Genus Polypteris Nutt.
- Genus Polypteris Less. accepted as Gaillardia Foug.
- Genus Ponaea Bubani
- Genus Pontesia Vell. accepted as Riencourtia Cass.
- Genus Portalesia Meyen
- Genus Postia Boiss. & C.I.Blanche
- Genus Praenanthes Hook.
- Genus Prenanthenia Svent.
- Genus Prenanthos St.-Lag.
- Genus Prenantus Raf.
- Genus Prestinaria Sch.Bip. ex Hochst.
- Genus Prianthes Pritz.
- Genus Priestleya ex DC.
- Genus Prionolepis Poepp. & Endl.
- Genus Proselia D.Don
- Genus Protolepis Steud.
- Genus Psanacetum Neck.
- Genus Pseudalomia Zoll. & Moritzi
- Genus Pseudevax DC. ex Steud.
- Genus Pseudoclinium Kuntze
- Genus Pseudoglossanthis Poljakov (1)
- Genus Pseudomatricaria Domin
- Genus Pseudopegolettia H.Rob., Skvarla & V.A.Funk
- Genus Pseudoseris Baill.
- Genus Psilachenia Benth.
- Genus Psilochenia Nutt. accepted as Crepis L.
- Genus Psilochlaena Walp.
- Genus Psilopogon Phil. accepted as Picrosia D.Don
- Genus Psilosanthus Neck.
- Genus Psilothamnus DC.
- Genus Psilothonna E.Mey. ex DC.
- Genus Psora Hill
- Genus Ptarmica Neck.
- Genus Pterigeron A.Gray
- Genus Pternix Hill
- Genus Pternix Raf.
- Genus Pterochaete Boiss.
- Genus Pterocladis Lamb. ex G.Don
- Genus Pteropappus Pritz.
- Genus Pterophora Neck.
- Genus Pterophorus Vaill. ex Adans.
- Genus Pterophyton Cass. accepted as Verbesina L.
- Genus Pteropogon Fenzl
- Genus Pterosenecio Sch.Bip. ex Baker
- Genus Pterostephanus Kellogg
- Genus Ptilepida Raf.
- Genus Ptileris Raf. accepted as Erechtites Raf.
- Genus Ptilocalais Torr. ex Greene accepted as Microseris D.Don
- Genus Ptilophora (Torr. & A.Gray ex Hook.) A.Gray accepted as Microseris D.Don
- Genus Ptiloria Raf. accepted as Stephanomeria Nutt. (1)
- Genus Ptilosia Tausch
- Genus Ptilurus D.Don accepted as Leucheria Lag.
- Genus Publicaria Deflers
- Genus Pulicaria Gaertn. ex Schreb.
- Genus Pulicarioidea Bunwong, Chantar. & S.C.Keeley
- Genus Pumilo Schltdl.
- Genus Pycarda Less.
- Genus Pycnocomon St.-Lag.
- Genus Pycnocomus Hill
- Genus Pyrarda Cass. accepted as Grangea Adans.
- Genus Pyrethraria Pers. ex Steud.
- Genus Pyrethron St.-Lag.
- Genus Pyrethropsis (1)
- Genus Pyrethrum Scop.
- Genus Pyrethrum Hall.
- Genus Pyretrum Burm.
- Genus Pyropsis Hort. ex Fisch., C.A.Mey. & Avé-Lall.
- Genus Pyrrhocoma Wall.
- Genus Pyrrhopappus A.Rich.
- Genus Pythecoseris Spach
- Genus Raillarda Endl.
- Genus Raillardella Benth.
- Genus Railliarda DC.
- Genus Raoulia Hook.f.
- Genus Ratabida Loudon
- Genus Razumovia Spreng.
- Genus Razumovia Spreng. ex Juss.
- Genus Rea Bertero ex Decne. accepted as Dendroseris D.Don
- Genus Reicharda Cothen.
- Genus Reichardia Roth.
- Genus Resinocaulon Lunell
- Genus Rhagadiolus Zinn
- Genus Rhagadiolus Tourn. ex Scop.
- Genus Rhantherium Sch.Bip.
- Genus Rhea Endl.
- Genus Rhigiothamnus (Less.) Spach
- Genus Rhinactina Willd. accepted as Jungia L.f. (2)
- Genus Rhodactinia Benth. & Hook.f.
- Genus Rhyditospermum Walp.
- Genus Rhynchopappus Dulac accepted as Crepis L.
- Genus Rhynchospermum Reinw.
- Genus Ridan Kuntze
- Genus Ridania Kuntze
- Genus Riddelliinae O.Hoffm.
- Genus Roberta St.-Lag.
- Genus Roccardia Neck. ex Raf.
- Genus Roccardia Neck.
- Genus Rodigia Spreng accepted as Crepis L.
- Genus Roebuckia P.S.Short accepted as Brachyscome Cass.
- Genus Roebuckiella P.S.Short
- Genus Rolfinkia Zenker
- Genus Rosaura Noronha
- Genus Rothia Schreb. accepted as Andryala L.
- Genus Rothia Lam. accepted as Hymenopappus L'Hér.
- Genus Rudbecka Cothen.
- Genus Rudbekia Scop.
- Genus Ruthrum Hill
- Genus Rutidochlamys Sond.
- Genus Rytidea Spreng.
- Genus Sabbata Vell.
- Genus Salmia Post & Kuntze
- Genus Salviastrum Heist. ex Fabr.
- Genus Sanhilaria leandr. ex DC.
- Genus Sanrobertia G.L.Nesom
- Genus Santolina Tourn.
- Genus Santonica Griff.
- Genus Sanvitalia L.
- Genus Scalia Sieber ex Sims
- Genus Scaliopsis Walp.
- Genus Scepinia Neck. ex Cass. accepted as Pteronia L.
- Genus Scepinia Neck.
- Genus Schaeffnera Benth. & Hook.f.
- Genus Schaetzelia Walp.
- Genus Schaetzelia Sch.Bip.
- Genus Schaetzellia Sch.Bip.
- Genus Schaffnera Sch.Bip.
- Genus Schawia Cothen.
- Genus Scheuchleria Heynh.
- Genus Schistocarpia Pritz.
- Genus Schkuhria Roth.
- Genus Schlechtendahlia Benth. & Hook.f.
- Genus Schmidtia Moench accepted as Tolpis Adans.
- Genus Schnittspahnia Sch.Bip.
- Genus Schortia Hort. ex E.Vilm.
- Genus Sciadioseris Kunze
- Genus Sciadoseris Müll.Berol.
- Genus Scirrhophorus Turcz.
- Genus Sckuhria Moench
- Genus Sclerobasis Cass. accepted as Senecio L.
- Genus Scleroleima Hook.f.
- Genus Sclerolepis Monnier accepted as Crepis L.
- Genus Sclerolepis Monn.
- Genus Sclerophyllum Gaudin accepted as Crepis L.
- Genus Scolopospermum Hemsl. accepted as Baltimora L.
- Genus Scolymanthus Willd. ex DC. accepted as Perezia Lag.
- Genus Scytala E.Mey. ex DC.
- Genus Sebastiana Benth. & Hook.f. accepted as Chrysanthellum Rich.
- Genus Sebastiania Bertol.
- Genus Selenocera Zipp. ex Span.
- Genus Selenogyne DC.
- Genus Senecillicacalia Kitam.
- Genus Seneciunculus Opiz
- Genus Seneico Hill
- Genus Sericocarpus Greene (1)
- Genus Seridia Juss. accepted as Centaurea L.
- Genus Seriphidium (Besser) Poljakov
- Genus Seruneum Rumph.
- Genus Setachna Dulac
- Genus Seubertia H.C.Watson
- Genus Shawia Forst. (2)
- Genus Sidneya E.E.Schill. & Panero
- Genus Siegesbecka Cothen.
- Genus Siegesbeckia Steud.
- Genus Silphion St.-Lag.
- Genus Silphiosperma Steetz
- Genus Silybon St.-Lag.
- Genus Simblocline DC. accepted as Diplostephium Kunth
- Genus Simlera Bubani
- Genus Sincalia
- Genus Sinclairea Sch.Bip.
- Genus Siphonogyne Cass.
- Genus Sitilias Raf. accepted as Pyrrhopappus DC.
- Genus Skirrhophorus DC. ex Lindl.
- Genus Skirrophorus Müll.Berol.
- Genus Sobreya Pers. accepted as Enydra Lour.
- Genus Sobrya Pers.
- Genus Sogaligna Steud.
- Genus Soldevilla Lag.
- Genus Solidaster Wehrhahn
- Genus Solivaea Cass. accepted as Soliva Ruiz & Pav.
- Genus Sonchidium Pomel accepted as Sonchus L.
- Genus Sonchos St.-Lag.
- Genus Sonchoseris Fourr. accepted as Sonchus L.
- Genus Sonchustenia Svent.
- Genus Sonnea Greene
- Genus Soyera St.-Lag.
- Genus Soyeria Monn.
- Genus Spadactis Cass. accepted as Atractylis L.
- Genus Spadactis Cass. ex Less.
- Genus Spanioptilon Less.
- Genus Spanotrichum E.Mey. ex DC.
- Genus Spermophylla Neck.
- Genus Sphaeranthoides A.Cunn. ex DC.
- Genus Sphaereupatorium Kuntze
- Genus Sphaerocephala Hill
- Genus Sphaerocephalus Kuntze
- Genus Sphaerocephalus Lag. ex DC.
- Genus Sphaerophyllum Auct.
- Genus Spheranthus Hill
- Genus Spilacron Cass. accepted as Centaurea L.
- Genus Spilanthus L.
- Genus Spinoliva G.Sancho, Luebert & Katinas
- Genus Spiralepis D.Don
- Genus Spiridanthus Fenzl
- Genus Sprunira Sch.Bip. ex Hochst.
- Genus Sprunnera Sch.Bip. ex Walp.
- Genus Sprunnera Sch.Bip.
- Genus Staebe Hill
- Genus Stanfieldia Small
- Genus Starkia Juss. ex Steud.
- Genus Stegonotus Cass. accepted as Arctotis L.
- Genus Steiractis Raf.
- Genus Steirocoma (DC.) Rchb.
- Genus Steiroglossa DC.
- Genus Steleocodon Gilli
- Genus Stelmanis Raf.
- Genus Stematella Wedd. ex Sch.Bip. accepted as Galinsoga Ruiz & Pav.
- Genus Stemmatella Wedd. ex Sch.Bip.
- Genus Stemmatella Wedd. ex Benth.
- Genus Stenogyne Cass.
- Genus Stenotheca Monn.
- Genus Stenotopsis Rydb. accepted as Ericameria Nutt.
- Genus Stephania (Kuntze) Kuntze
- Genus Stephanocoma Less.
- Genus Stephanopholis S.F.Blake (1)
- Genus Steriphe Phil.
- Genus Stictophyllum Edgew.
- Genus Stilpnophytum Less. accepted as Athanasia L.
- Genus Stoechas Gueldenst.
- Genus Strabonia DC.
- Genus Streckera Sch.Bip.
- Genus Streptorhamphus Regel
- Genus Strongyloma DC.
- Genus Strongylomopsis Speg.
- Genus Strumarium Raf.
- Genus Stylesia Nutt. accepted as Bahia Lag.
- Genus Stylopappus Nutt. accepted as Agoseris Raf.
- Genus Succisocrepis Fourr. accepted as Crepis L.
- Genus Sulzeria J. J. Roemer & J. A. Schultes
- Genus Susanna E.Phillips
- Genus Swertia All.
- Genus Swertia Boehm.
- Genus Swertya Steud.
- Genus Swinburnia Ewart
- Genus Sycodium Pomel
- Genus Symphipappus Klatt (1)
- Genus Synarthron Benth. & Hook.f.
- Genus Synarthrum Cass. accepted as Senecio L.
- Genus Syncephalanthus Benth. & Hook.f.
- Genus Synchodendron Bojer ex DC.
- Genus Synosma Raf. ex Britton accepted as Hasteola Raf.
- Genus Synosma Raf.
- Genus Tafalla D.Don accepted as Loricaria Wedd.
- Genus Tagetinae Less.
- Genus Taimingasa (Kitam.) C.Ren & Q.E.Yang
- Genus Tamayoa V.M.Badillo
- Genus Tanaxion Raf.
- Genus Taraxacum Weber
- Genus Teichostemma R.Br.
- Genus Telfordia accepted as Ozothamnus R.Br.
- Genus Terana La Llave
- Genus Tessenia Bubani (1)
- Genus Tetracanthus C.Wright ex Griseb.
- Genus Tetralix Hill
- Genus Tetralyx Hill
- Genus Tetrantha Poit. ex DC. accepted as Riencourtia Cass.
- Genus Tetratrichia Dinter
- Genus Thamnoseris F.Phil.
- Genus Thelosperma Post & Kuntze
- Genus Thelythamnos A.Spreng.
- Genus Theophroseris Andrae
- Genus Therogeron DC.
- Genus Therolepta Raf.
- Genus Thespidium F.Muell. ex Benth.
- Genus Thinobia Phil.
- Genus Thlipsocarpus Kunze accepted as Hyoseris L.
- Genus Thouarsia Vent. ex DC.
- Genus Thrica Gray
- Genus Thrincia Roth. accepted as Leontodon L.
- Genus Thrixia Dulac
- Genus Thuraria [Nutt.]
- Genus Thymophyllum Benth. & Hook.f.
- Genus Thyopsis Ascherson & Graebner
- Genus Thyopsis Wedd.
- Genus Thyrsanthema Neck. ex Kuntze
- Genus Thysanurus O.Hoffm.
- Genus Thysopsis Wedd. accepted as Loricaria Wedd.
- Genus Timanthea Salisb. accepted as Baltimora L.
- Genus Tola Wedd. ex Benth. & Hook.f.
- Genus Tolbonia Kuntze accepted as Calotis R.Br. (1)
- Genus Toxacanthus (2)
- Genus Toxanthus Benth.
- Genus Trachodes D.Don accepted as Sonchus L. (1)
- Genus Tragantha Wallr. ex Endl.
- Genus Traganthes Wallr.
- Genus Tragoceras Spreng. accepted as Isostigma Less.
- Genus Tragopogonodes Kuntze
- Genus Tragopogum St.-Lag.
- Genus Triachne Cass. accepted as Nassauvia Comm. ex Juss.
- Genus Trianthus Hook.f.
- Genus Trichandrum Neck.
- Genus Trichocrepis Vis. accepted as Crepis L.
- Genus Trichoseris Poepp. & Endl.
- Genus Trichoseris Sch.Bip.
- Genus Trichostegia Turcz.
- Genus Trichostephus Cass. accepted as Wedelia Jacq.
- Genus Trigonopterum Steetz ex Andersson
- Genus Trigonotheca Sch.Bip.
- Genus Trimorphoea Benth. & Hook.f.
- Genus Trinacte Gaertn. accepted as Jungia L.f.
- Genus Trinciatella Adans.
- Genus Tripleurocota Starm.
- Genus Tripolion Raf.
- Genus Tripterachaenium Kuntze
- Genus Triptilium DC.
- Genus Trixis Sw. accepted as Clibadium F.Allam. ex L. (1)
- Genus Trixis Lag.
- Genus Trochoseris Poepp. & Endl. ex Endl.
- Genus Tropidolepis Tausch
- Genus Troximon Nutt.
- Genus Troximon [Nutt.]
- Genus Troximum Steud.
- Genus Trychinolepis B.L.Rob. accepted as Ophryosporus Meyen
- Genus Tuberostyles Benth. & Hook.f. (1)
- Genus Tubilium Cass. accepted as Pulicaria Gaertn.
- Genus Tulakenia Raf.
- Genus Tumionella Greene
- Genus Turanecio Hamzaoglu
- Genus Turpinia Lex.
- Genus Tylloma D.Don
- Genus Ubiaea J.Gay ex J.Gay
- Genus Ucacea Cass.
- Genus Uhdea Kunth accepted as Montanoa Cerv.
- Genus Ulina Opiz
- Genus Uniyala H.Rob. & Skvarla
- Genus Unxia Bertero ex Colla
- Genus Unxia Kunth
- Genus Urbanisol Kuntze accepted as Piptocarpha R.Br. (1)
- Genus Urostylis Meisn.
- Genus Vartheimia Benth. & Hook.f.
- Genus Varthemia Caruel
- Genus Vasquesia Phil. accepted as Unxia L.f.
- Genus Vasquesia Rydb.
- Genus Vazquezia Pritz.
- Genus Vea
- Genus Veltis Adans.
- Genus Venatris Raf.
- Genus Vendredia Baill.
- Genus Venegazia Benth. & Hook.f.
- Genus Vernasolis Raf.
- Genus Verutina Cass. accepted as Centaurea L.
- Genus Viborgia Spreng. accepted as Galinsoga Ruiz & Pav.
- Genus Vieria Webb ex Sch.Bip.
- Genus Villanovaea Post & Kuntze
- Genus Villaria DC.
- Genus Viraya Gaudich.
- Genus Virga-aurea Rupp.
- Genus Virgaria Raf. ex DC. accepted as Symphyotrichum Nees
- Genus Virgaurea Rupp.
- Genus Virgilia L'Hér.
- Genus Virletia Sch.Bip. ex Benth. & Hook.f. accepted as Bahia Lag.
- Genus Vittadenia Steud.
- Genus Voigtia Roth
- Genus Vosacan Adans.
- Genus Vosakan Adans.
- Genus Wahlenbergia Schumach. accepted as Enydra Lour.
- Genus Warthemia Boiss.
- Genus Wendelboa Soest accepted as Taraxacum Weber ex F.H.Wigg.
- Genus Wernera Kuntze accepted as Senecioneae Cass.
- Genus Wettsteinia Petr.
- Genus Wibelia Roehl.
- Genus Wiestia Sch.Bip. accepted as Lactuca L. (1)
- Genus Wigandia Neck. ex Less.
- Genus Wigandia Neck.
- Genus Wightia Spreng. ex DC.
- Genus Wikstroemia Spreng. accepted as Mikania Willd.
- Genus Willdenowia Steud.
- Genus Willkommia Sch.Bip. ex Nyman
- Genus Wirtgenia Sch.Bip. accepted as Wedelia Jacq.
- Genus Wollastonia DC. ex Decne.
- Genus Wootonella Standl. accepted as Verbesina L.
- Genus Wootonia Greene
- Genus Wurdackia Moldenke
- Genus Wurmschnittia Benth.
- Genus Xalkitis Raf.
- Genus Xantho J.Rémy
- Genus Xantholepis Willd. ex Less.
- Genus Xantium Gilib.
- Genus Xantophtalmum Sang.
- Genus Xenophonta Benth. & Hook.f.
- Genus Xeranthium Lepech.
- Genus Xeropappus Wall.
- Genus Xerotium Bluff & Fingerhuth
- Genus Xetoligus Raf.
- Genus Xylanthema Neck.
- Genus Xylothermia Greene
- Genus Yermo Dorn
- Genus Youngia Cass. descr. ampl. Babc. & Stebbins
- Genus Zacyntha Adans.
- Genus Zalucania Steud.
- Genus Zarabellia Neck. accepted as Berkheya Ehrh.
- Genus Zazintha Hall.
- Genus Zeyheria A.Spreng. accepted as Geigeria Griess.
