Anthemis adulterina Wallr. ex Hallier (original description)
Carduus agrestis Kern. accepted as Carduus crispus L. (original description)
Hieracium adenodermum Zahn (original description)
Hieracium antholzense Zahn (original description)
Hieracium arlbergense Evers ex Zahn (original description)
Hieracium benzianum Murr & Zahn (original description)
Hieracium colognense Murr ex Zahn (original description)
Hieracium combense Zahn (original description)
Hieracium corrensii Käser ex Zahn (original description)
Hieracium ctenodontoides Zahn accepted as Hieracium benzianum subsp. ctenodontoides (Zahn) Zahn (original description)
Hieracium deltophylloides Zahn (original description)
Hieracium excellens Murr ex Zahn (original description)
Hieracium fastuosum Zahn (original description)
Hieracium glaucomorphum Zahn (original description)
Hieracium hayekii Murr ex Zahn (original description)
Hieracium hegetschweileri Zahn accepted as Hieracium jurassicum subsp. hegetschweileri (Zahn) Greuter (original description)
Hieracium hellwegeri Murr & Zahn accepted as Hieracium brevifolium subsp. hellwegeri (Murr & Zahn) Zahn (original description)
Hieracium jaquetianum Zahn accepted as Hieracium prenanthoides subsp. jaquetianum (Zahn) Zahn (original description)
Hieracium jurassiciforme Murr ex Zahn accepted as Hieracium wilczekianum subsp. jurassiciforme (Zahn) Zahn (original description)
Hieracium kaeserianum Zahn (original description)
Hieracium maureri Zahn (original description)
Hieracium peterianum Käser accepted as Pilosella peteriana (Käser) Holub (original description)
Hieracium petryanum Zahn accepted as Hieracium pseudocorymbosum subsp. petryanum (Zahn) Zahn (original description)
Hieracium prediliense (Nägeli & Peter) Zahn (original description)
Hieracium pseudarolae Murr ex Zahn accepted as Hieracium rohacsense subsp. pseudarolae (Zahn) Zahn (original description)
Hieracium pseudeximium G.Schneider ex Zahn (original description)
Hieracium pseudostenoplecum Zahn (original description)
Hieracium rupicoliforme Zahn (original description)
Hieracium sandozianum Zahn (original description)
Hieracium sterzingense Zahn (original description)
Hieracium subexpansum Zahn accepted as Hieracium tephrodermum subsp. subexpansum (Zahn) Zahn (original description)
Hieracium subtilissimum Zahn (original description)
Hieracium tephrodermum Zahn (original description)
Hieracium tephropogon Zahn (original description)
Hieracium toutonianum (Zahn) Zahn (original description)
Hieracium volmanni Zahn (original description)