Colobium tripolitanum (Boiss.) Holub accepted as Leontodon tuberosus L. (original description)
Klasea aphyllopoda (Iljin) Holub accepted as Serratula aphyllopoda Iljin (original description)
Klasea coriacea (DC.) Holub (original description)
Klasea haussknechtii (Boiss.) Holub (original description)
Klasea ibrahimii (Iljin) Holub (original description)
Klasea melanocheila (Boiss. & Hausskn.) Holub (original description)
Klasea procumbens (Regel) Holub accepted as Serratula procumbens Regel (original description)
Omalotheca stewartii (Clarke) Holub (original description)
Scorzoneroides atlantica (Ball) Holub (original description)
Scorzoneroides microcephala Holub (original description)
Tephroseris kirilowii (Turcz. ex DC.) Holub (original description)