×Conygeron Holub accepted as ×Conyzigeron Rauschert accepted as Erigeron L. (original description)
×Conygeron huelsenii (Vatke) Holub (original description)
Calcitrapoides aspera (L.) Holub accepted as Centaurea aspera L. (original description)
Calcitrapoides bimorpha (Viv.) Holub accepted as Centaurea bimorpha Viv. (original description)
Calcitrapoides gentilii (Braun-Blanq. & Maire) Holub accepted as Centaurea aspera subsp. gentilii (Braun-Blanq. & Maire) Dobignard (original description)
Calcitrapoides glomerata (Vahl) Holub accepted as Centaurea glomerata Vahl (original description)
Calcitrapoides lusitanica (Boiss. & Reut.) Holub accepted as Centaurea sphaerocephala subsp. lusitanica (Boiss. & Reut.) Nyman (original description)
Calcitrapoides malacitana (Boiss.) Holub accepted as Centaurea sphaerocephala subsp. malacitana (Boiss.) Dostál (original description)
Calcitrapoides napifolia (L.) Holub accepted as Centaurea napifolia L. (original description)
Calcitrapoides polyacantha (Willd.) Holub accepted as Centaurea sphaerocephala subsp. polyacantha (Willd.) Dostál (original description)
Calcitrapoides praecox (Oliv. & Hiern) Holub accepted as Centaurea praecox Oliv. & Hiern (original description)
Calcitrapoides rhizocephala (Oliv. & Hiern) Holub accepted as Centaurea praecox Oliv. & Hiern (original description)
Calcitrapoides seridis (L.) Holub accepted as Centaurea seridis L. (original description)
Calcitrapoides sonchifolia (L.) Holub accepted as Centaurea seridis subsp. sonchifolia (L.) Greuter (original description)
Calcitrapoides sphaerocephala (L.) Holub accepted as Centaurea sphaerocephala L. (original description)
Colobium hispidum (Roth) Holub accepted as Leontodon saxatilis subsp. rothii Maire (original description)
Colobium maroccanum (Pers.) Holub accepted as Leontodon maroccanus (Pers.) Ball (original description)
Colobium tingitanum (Boiss. & Reut.) Holub accepted as Leontodon tingitanus (Boiss. & Reut.) Ball (original description)
Colobium tuberosum (L.) Holub accepted as Leontodon tuberosus L. (original description)
Tephroseris atropurpurea (Ledeb.) Holub accepted as Tephroseris integrifolia subsp. atropurpurea (Ledeb.) B.Nord. (original description)
Tephroseris aucheri (DC.) Holub (original description)
Tephroseris balbisiana (DC.) Holub (original description)
Tephroseris elodes (DC.) Holub (original description)
Tephroseris flammea (Turcz. ex DC.) Holub (original description)
Tephroseris fuscata (Hayek) Holub (original description)
Tephroseris heldreichii (Boiss.) Holub (original description)
Tephroseris integrifolia (L.) Holub (original description)
Tephroseris jacutica Holub (original description)
Tephroseris karjaginii (Sofieva) Holub accepted as Tephroseris integrifolia subsp. primulifolia (Cufod.) Greuter (original description)
Tephroseris kawakamii (Makino) Holub accepted as Senecio kawakamii Makino (original description)
Tephroseris kjellmanii (A.E.Porsild) Holub (original description)
Tephroseris lanceolata (Lam.) Holub accepted as Tephroseris helenitis (L.) B.Nord. (original description)
Tephroseris lanceolata subsp. arvernensis (Rouy) Holub accepted as Tephroseris helenitis subsp. arvernensis (Rouy) B.Nord. (original description)
Tephroseris papposa subsp. araneosa (Griseb.) Holub (original description)
Tephroseris papposa subsp. heuffelii (Hoppe & Fürnr.) Holub (original description)
Tephroseris papposa subsp. microrrhiza (Schur) Holub (original description)
Tephroseris papposa subsp. rupicola (Schur) Holub (original description)
Tephroseris papposa subsp. wolffii (Schur) Holub (original description)
Tephroseris pierotii (Miq.) Holub (original description)
Tephroseris porphyrantha Holub accepted as Senecio porphyranthus Schischk. (original description)
Tephroseris praticola (Schischk. & Serg.) Holub (original description)
Tephroseris pricei (N.D.Simpson) Holub accepted as Senecio pricei N.D.Simpson (original description)
Tephroseris pyrenaica (Godr. & Gren.) Holub accepted as Tephroseris helenitis (L.) B.Nord. (original description)
Tephroseris pyroglossa (Kar. & Kir.) Holub accepted as Senecio pyroglossus Kar. & Kir. (original description)
Tephroseris sect. Eriopappus (Dum.) Holub (original description)
Tephroseris serpentini (Gáyer) Holub accepted as Tephroseris integrifolia subsp. serpentini (Gáyer) B.Nord. (original description)
Tephroseris stolonifera (Cufod.) Holub (original description)
Tephroseris subdentata (Bunge) Holub (original description)
Tephroseris subfrigida (Kom.) Holub accepted as Senecio subfrigidus Kom. (original description)
Tephroseris taitoensis (Hayata) Holub (original description)
Tephroseris takedana (Kitam.) Holub (original description)
Tephroseris tenuifolia (Gaudin) Holub accepted as Tephroseris longifolia subsp. gaudinii (Gremli) Kerguélen (original description)
Tephroseris thyrsoidea (Host) Holub (original description)
Tephroseris tundricola (Tolm.) Holub accepted as Tephroseris integrifolia subsp. tundricola (Tolm.) B.Nord. (original description)
Tephroseris turczaninovii (DC.) Holub (original description)
Tephroseris wagneri (Degen) Holub accepted as Tephroseris papposa subsp. wagneri (Degen) B.Nord. (original description)
Xeroloma cylindracea (Sibth. & Sm.) Holub accepted as Xeranthemum cylindraceum Sm. (original description)