• ×Acostitrapa hemiptera (Borbás) Rauschert accepted as Centaurea hemiptera Borbás
• ×Acostitrapa pseudohemiptera (Wagner) Rauschert accepted as Centaurea pseudohemiptera J.Wagner
• ×Acostitrapa subdiffusa (Prodan) Rauschert accepted as Centaurea subdiffusa Prodan
• ×Anthechamomilla dominii (Rohlena) Rauschert accepted as ×Anthematricaria dominii Rohlena
• ×Anthematricaria dominii Rohlena
• ×Anthemimatricaria inolens P.Fourn.
• ×Anthemimatricaria maleolens P.Fourn.
• ×Anthemimatricaria sulfurea P.Fourn.
• ×Argyrautia degeneri Sherff
• ×Asterago lutea (Hort.) Everett (uncertain > unassessed)
• ×Asterago lutea Everett accepted as ×Solidaster luteus (Everett) M.L.Green ex Dress
• ×Asterigeron ucrainicus Tzvelev (uncertain > unassessed)
• ×Carduogalactites ludoviciae (Bertr.) P.Fourn.
• ×Centauserratula mouterdei Arènes
• ×Chrysaboltonia pulcherrima Arends (uncertain > unassessed)
• ×Chrysanthemoachillea borzae Prodan (uncertain > unassessed)
• ×Chrysanthemoachillea carmen-sylvae Prodan ex Nyár. (uncertain > unassessed)
• ×Cirsio-carduus borderi (Rouy) Arènes (uncertain > unassessed)
• ×Cirsio-carduus cirsiformis (Vuk.) Arènes
• ×Cirsio-carduus hohenackeri Arènes
• ×Cirsio-carduus jaubertianus (Sennen & Septimin) Arènes
• ×Cirsio-carduus lutetianus Arènes
• ×Cirsio-carduus parisiensis P.Fourn.
• ×Colycea valdesii-bermejoi (Fern.Casas & Susanna) Fern.Casas & Susanna (uncertain > unassessed)
• ×Colymbacosta genesii-lopezii (Fern.Casas & Susanna) Fern.Casas & Susanna (uncertain > unassessed)
• ×Colymbacosta grabowskiana (Wagner) Rauschert accepted as Centaurea ×grabowskiana J.Wagner
• ×Conygeron huelsenii (Vatke) Holub (uncertain > unassessed)
• ×Conyzigeron huelsenii (Vatke) Rauschert
• ×Crepidiastrixeris denticulato-lanceolata Kitam. accepted as Crepidiastrum muratagenii H.Ohashi & K.Ohashi
• ×Crepidiastrixeris denticulato-platyphylla (Makino) Kitam. accepted as Crepidiastrum ×nakaii H.Ohashi & K. Ohashi
• ×Crepidiastrixeris surugensis (Hisauti) Kitam. accepted as Crepidiastrum surugense (Hisauti) Yonek.
• ×Crepi-Hieracium garnieri (Petitm.) P.Fourn.
• ×Filfia mixta (Holuby) Holub
• ×Giflifa mixta (Holuby) Chrtek & Holub (uncertain > unassessed)
• ×Heterokalimeris maruyamae Kitam. (uncertain > unassessed)
• ×Solidaster hybridus Wehrhahn (uncertain > unassessed)
• ×Solidaster lutens M.L.Green
• ×Solidaster luteus (Everett) M.L.Green (uncertain > unassessed)
• ×Solidaster luteus (Everett) M.L.Green ex Dress
• Aaronsohnia factorovskyi Warb. & Eig
• Aaronsohnia pubescens (Desf.) K.Bremer & Humphries
• Aaronsohnia pubescens subsp. maroccana (Ball) Fennane & Ibn Tattou
• Aaronsohnia pubescens subsp. maroccana (Ball) Förther & Podlech accepted as Aaronsohnia pubescens subsp. maroccana (Ball) Fennane & Ibn Tattou
• Aaronsohnia pubescens subsp. pubescens (Desf.) K.Bremer & Humphries
• Abasoloa taboada La Llave & Lex. (uncertain > unassessed)
• Abildgaardia abbreviata Lye accepted as Bulbostylis abbreviata (Lye) Lye
• Abildgaardia abortiva (Steud.) Lye accepted as Bulbostylis abortiva (Steud.) C.B.Clarke
• Abildgaardia acutespicata Lye accepted as Bulbostylis acutispicata (Lye) Lye
• Abildgaardia acutispicata Lye accepted as Bulbostylis acutispicata (Lye) Lye
• Abildgaardia afroorientalis Lye accepted as Bulbostylis afroorientalis (Lye) R.W.Haines
• Abildgaardia angustispicata Lye accepted as Bulbostylis angustispicata (Lye) Verdc.
• Abildgaardia aphylla Kunth accepted as Fimbristylis bahiensis Steud.
• Abildgaardia argentobrunnea (C.B.Clarke) Lye accepted as Bulbostylis argenteobrunea C.B.Clarke
• Abildgaardia baeothryon A.St.-Hil. accepted as Fimbristylis bahiensis Steud.
• Abildgaardia barbata (Rottb.) P.Beauv. accepted as Bulbostylis barbata (Rottb.) C.B.Clarke
• Abildgaardia boeckeleriana (Schweinf.) Lye accepted as Bulbostylis boeckeleriana (Schweinf.) Beetle
• Abildgaardia boeckeleriana var. transiens (K.Schum.) Lye accepted as Bulbostylis boeckeleriana (Schweinf.) Beetle
• Abildgaardia brevifolia Steud. accepted as Fimbristylis acicularis R.Br.
• Abildgaardia buchananii (C.B.Clarke) Lye accepted as Bulbostylis buchananii C.B.Clarke
• Abildgaardia burchellii (Ficalho & Hiern) Lye accepted as Bulbostylis burchellii (Ficalho & Hiern) C.B.Clarke
• Abildgaardia capillaris (L.) Lye accepted as Bulbostylis capillaris (L.) Kunth ex C.B.Clarke
• Abildgaardia capitata Lye accepted as Bulbostylis capitata (Lye) Lye
• Abildgaardia cardiocarpoides (Cherm.) Lye accepted as Bulbostylis cardiocarpoides Cherm.
• Abildgaardia chinensis Gand. (uncertain > unassessed)
• Abildgaardia cinnamometorum (Vahl) Thwaites accepted as Fimbristylis cinnamometorum (Vahl) Kunth
• Abildgaardia clarkeana (Hutch. ex Bodard) Lye accepted as Bulbostylis clarkeana Hutch. ex Bodard
• Abildgaardia coleotricha (Hochst. ex A.Rich.) Lye accepted as Bulbostylis coleotricha (Hochst. ex A.Rich.) C.B.Clarke
• Abildgaardia coleotricha var. miegei (Bodard) Lye accepted as Bulbostylis coleotricha var. miegei (Bodard) R.W.Haines
• Abildgaardia collina (Ridl.) Lye accepted as Bulbostylis scabricaulis Cherm.
• Abildgaardia compressa J.Presl & C.Presl accepted as Abildgaardia ovata (Burm.f.) Kral
• Abildgaardia congolensis (De Wild.) Lye accepted as Bulbostylis congolensis De Wild.
• Abildgaardia contexta (Nees) Lye accepted as Bulbostylis contexta (Nees) Bodard
• Abildgaardia cruciformis Lye accepted as Bulbostylis cruciformis (Lye) R.W.Haines
• Abildgaardia cyperoides (J.Presl & C.Presl) Nees & Meyen accepted as Fimbristylis fusca (Nees) Benth. ex C.B.Clarke
• Abildgaardia densa (Wall.) Lye accepted as Bulbostylis densa (Wall.) Hand.-Mazz.
• Abildgaardia densa subsp. afromontana Lye accepted as Bulbostylis densa subsp. afromontana (Lye) R.W.Haines
• Abildgaardia densicaespitosa Lye accepted as Bulbostylis densicaespitosa (Lye) R.W.Haines
• Abildgaardia densiflora Lye accepted as Bulbostylis densiflora (Lye) Lye
• Abildgaardia disticha Lye accepted as Bulbostylis distichoides Lye
• Abildgaardia elegantissima Lye accepted as Bulbostylis elegantissima (Lye) R.W.Haines
• Abildgaardia eragrostis Nees accepted as Fimbristylis eragrostis (Nees) Hance
• Abildgaardia erratica (Hook.f.) Lye accepted as Bulbostylis schoenoides (Kunth) C.B.Clarke
• Abildgaardia erratica subsp. schoenoides (Kunth) Lye accepted as Bulbostylis schoenoides (Kunth) C.B.Clarke
• Abildgaardia festucoides (Poir.) Lye accepted as Bulbostylis festucoides (Poir.) C.B.Clarke
• Abildgaardia filamentosa (Vahl) Lye accepted as Bulbostylis filamentosa (Vahl) C.B.Clarke
• Abildgaardia filamentosa var. holubii (C.B.Clarke) Lye accepted as Bulbostylis scabricaulis Cherm.
• Abildgaardia filamentosa var. metralis (Cherm.) Lye accepted as Bulbostylis filamentosa (Vahl) C.B.Clarke
• Abildgaardia fimbristyloides F.Muell. accepted as Fimbristylis fimbristyloides (F.Muell.) Druce
• Abildgaardia fulvescens Thwaites accepted as Fimbristylis fulvescens (Thwaites) Thwaites
• Abildgaardia fusca Nees accepted as Fimbristylis fusca (Nees) Benth. ex C.B.Clarke
• Abildgaardia fusca var. longifolia Boeckeler accepted as Fimbristylis fulvescens (Thwaites) Thwaites
• Abildgaardia fusiformis (Wangwasit & D.A.Simpson) Larridon
• Abildgaardia geminata Schrad. ex Nees (uncertain > unassessed)
• Abildgaardia glaberrima (Kük.) Lye accepted as Bulbostylis glaberrima Kük.
• Abildgaardia hensii (C.B.Clarke) Lye accepted as Bulbostylis hensii (C.B.Clarke) R.W.Haines
• Abildgaardia heterostachya (Cherm.) Lye accepted as Bulbostylis heterostachya Cherm.
• Abildgaardia hispidula (Vahl) Lye accepted as Bulbostylis hispidula (Vahl) R.W.Haines
• Abildgaardia hispidula subsp. brachyphylla (Cherm.) Lye accepted as Bulbostylis hispidula subsp. brachyphylla (Cherm.) R.W.Haines
• Abildgaardia hispidula subsp. filiformis (C.B.Clarke) Lye accepted as Bulbostylis hispidula subsp. filiformis (C.B.Clarke) R.W.Haines
• Abildgaardia hispidula subsp. halophila Lye accepted as Bulbostylis hispidula subsp. halophila (Lye) R.W.Haines