Centaurea fastigiata Degen (original description)
Centaurea hervieri Degen (original description)
Centaurea jaennensis Degen & Debeaux (original description)
Centaurea semi-adami Simonk. (original description)
Hieracium brandisianum Zahn accepted as Hieracium transiens subsp. brandisianum (Prain) Greuter (original description)
Hieracium cernagorae Zahn (original description)
Hieracium erythrocarpum subsp. cinereisquamum Nejceff & Zahn accepted as Hieracium transiens subsp. cinereisquamum (Nejceff & Zahn) Greuter (original description)
Hieracium erythrocarpum subsp. incomptum Nejceff & Zahn accepted as Hieracium transiens subsp. incomptum (Nejceff & Zahn) Greuter (original description)
Hieracium kernerianum Zahn accepted as Hieracium balbisianum subsp. kerneri (Ausserd. ex Zahn) Greuter (original description)
Hieracium lycopifrons Degen & Zahn accepted as Hieracium inuloides subsp. lycopifrons (Degen & Zahn) Zahn (original description)
Hieracium pietroszense Degen & Zahn (original description)
Hieracium pseudocaesium Degen & Zahn (original description)
Hieracium pseudofastigiatum Degen & Zahn accepted as Hieracium umbrosum subsp. pseudofastigiatum (Degen & Zahn) Zahn (original description)
Hieracium retyezatense Degen & Zahn (original description)
Hieracium scheppigianum subsp. pljesevicae Degen & Zahn accepted as Hieracium pljesevicae (Degen & Zahn) Niketić (original description)
Hieracium sericophyllum Nejceff & Zahn (original description)
Hieracium sparsiflorum subsp. sparsiforme Degen & Zahn accepted as Hieracium sparsum subsp. sparsiforme (Degen & Zahn) Greuter (original description)
Hieracium sparsiflorum subsp. tubulatum Zahn accepted as Hieracium sparsum subsp. tubulatum (Zahn) Greuter (original description)
Hieracium stirovacense Degen & Zahn (original description)
Hieracium urumoffii Nejceff & Zahn (original description)
Hieracium velebiticum Degen & Zahn (original description)