Artemisia baldaccii Degen accepted as Artemisia absinthium L. (original description)
Hieracium chlorobracteum Degen & Zahn (original description)
Hieracium falcatiforme Degen & Zahn accepted as Hieracium falcatum subsp. falcatiforme (Degen & Zahn) Zahn (original description)
Hieracium janchenii Zahn accepted as Hieracium guentheri-beckii subsp. janchenii (Zahn) Zahn (original description)
Hieracium latifolium subsp. umbellatiforme Degen & Zahn (original description)
Hieracium pallonianum subsp. syrmiense Degen & Zahn accepted as Hieracium robustum subsp. syrmiense (Degen & Zahn) Gottschl. (original description)
Hieracium praecox subsp. lojkae Degen & Zahn (original description)
Hieracium stupposum subsp. nivisquamum Degen & Zahn (original description)