Atractylis cancellata subsp. gaditana Franco accepted as Atractylis cancellata L. (original description)
Atractylis tutinii Franco (original description)
Carduus argemone subsp. obtusisquamus Franco (original description)
Carduus asturicus Franco (original description)
Carduus bourgaeanus subsp. valentinus (Boiss. & Reut.) Franco accepted as Carduus meonanthus subsp. valentinus (Boiss. & Reut.) Devesa & Talavera (original description)
Carduus carlinoides subsp. hispanicus (Kazmi) Franco (original description)
Carduus chrysacanthus subsp. hispanicus Franco accepted as Carduus nigrescens subsp. hispanicus (Franco) O.Bolòs & Vigo (original description)
Carduus crispus subsp. multiflorus (Gaudin) Franco (original description)
Carduus euboicus Franco (original description)
Carduus kerneri subsp. austro-orientalis Franco accepted as Carduus kerneri subsp. scardicus (Griseb.) Kazmi (original description)
Carduus litigiosus subsp. horridissimus (Briq. & Cavill.) Franco (original description)
Carduus macrocephalus subsp. siculus Franco (original description)
Carduus macrocephalus subsp. sporadum (Halácsy) Franco (original description)
Carduus taygeteus subsp. insularis Franco accepted as Carduus nutans subsp. taygeteus (Boiss. & Heldr.) Hayek (original description)
Cynara sect. Acaulon Franco (original description)
Cynara sect. Bourgaea (Coss.) Franco (original description)
Echinops orientalis subsp. byzantinus (Formánek) Kožuharov accepted as Echinops orientalis Trautv. (original description)
Echinops ritro subsp. meyeri (DC.) Kožuharov (original description)
Echinops ritro subsp. sartorianus (Boiss. & Heldr.) Kožuharov (original description)
Echinops ritro subsp. thracicus (Velen.) Kožuharov (original description)
Echinops sphaerocephalus subsp. albidus (Boiss. & Spruner) Kožuharov (original description)
Echinops sphaerocephalus subsp. taygeteus (Boiss. & Heldr.) Kožuharov (original description)
Echinops spinosissimus subsp. bithynicus (Boiss.) Kožuharov (original description)
Echinops spinosissimus subsp. neumayeri (Vis.) Kožuharov (original description)
Jurinea albicaulis subsp. kilaea (Azn.) Kožuharov accepted as Jurinea kilaea Azn. (original description)
Jurinea albicaulis subsp. laxa (Fisch. ex Iljin) Kožuharov accepted as Jurinea longifolia DC. (original description)
Onopordum acanthium subsp. gautieri (Rouy) Franco (original description)
Onopordum acaulon subsp. uniflorum (Cav.) Franco accepted as Onopordum acaulon L. (original description)
Onopordum bracteatum subsp. creticum Franco (original description)
Onopordum bracteatum subsp. ilex (Janka) Franco accepted as Onopordum myriacanthum Boiss. (original description)
Onopordum bracteatum subsp. myriacanthum (Boiss.) Franco accepted as Onopordum myriacanthum Boiss. (original description)
Onopordum caulescens subsp. atticum Franco accepted as Onopordum sibthorpianum Boiss. & Heldr. (original description)
Onopordum corymbosum subsp. visegradense Franco accepted as Onopordum tauricum Willd. (original description)
Onopordum illyricum subsp. cardunculus (Boiss.) Franco (original description)
Onopordum illyricum subsp. horridum (Viv.) Franco accepted as Onopordum horridum Viv. (original description)
Onopordum sect. Pseudocarlina Franco (original description)
Onopordum sect. Recurvata Franco (original description)