Hieracium amaurochaetium Peter ex Zahn (original description)
Hieracium amphiglaucum Zahn (original description)
Hieracium arbenzii Zahn (original description)
Hieracium arpillense Zahn (original description)
Hieracium asterophorum Zahn (original description)
Hieracium atripileolum Zahn (original description)
Hieracium atropurpureum Zahn (original description)
Hieracium austroalpinum Zahn (original description)
Hieracium austrovallesiacum Zahn (original description)
Hieracium bactiacense Zahn (original description)
Hieracium baldensiforme Zahn (original description)
Hieracium basicuneatum Zahn (original description)
Hieracium basifoliatum Zahn (original description)
Hieracium binzii Zahn (original description)
Hieracium brevifolioides Zahn (original description)
Hieracium bupleurifolioides Zahn (original description)
Hieracium caesiopsis Zahn (original description)
Hieracium campylodon Zahn (original description)
Hieracium caniforme Zahn (original description)
Hieracium cardiobasis Zahn (original description)
Hieracium chrysophanum Zahn (original description)
Hieracium cinereiceps Zahn (original description)
Hieracium cingulatum Zahn (original description)
Hieracium circumstellatum Zahn (original description)
Hieracium circumvelatum Zahn (original description)
Hieracium cirritiforme Zahn (original description)
Hieracium coazii Zahn (original description)
Hieracium crepidopsis Zahn (original description)
Hieracium dasyclados Zahn (original description)
Hieracium davallianum Zahn (original description)
Hieracium duriacense Zahn (original description)
Hieracium epileion Zahn (original description)
Hieracium ericetorum Zahn (original description)
Hieracium eucomoides Zahn. (original description)
Hieracium finalense Wolf ex Zahn (original description)
Hieracium floccivelatum Zahn (original description)
Hieracium franconicum (Griseb.) Zahn accepted as Hieracium glaucomorphum subsp. franconicum (Griseb.) Greuter (original description)
Hieracium fucatum Zahn (original description)
Hieracium fusiense Zahn (original description)
Hieracium gaudinii Christen. (original description)
Hieracium genevense Zahn (original description)
Hieracium glandulinervium Zahn (original description)
Hieracium gletschense Zahn (original description)
Hieracium golliense Zahn (original description)
Hieracium gombense Lagger ex Christen. (original description)
Hieracium graminicolor Zahn (original description)
Hieracium grandidens Zahn (original description)
Hieracium grandimontis Zahn (original description)
Hieracium grimsulicola Zahn (original description)
Hieracium gymnopsis Zahn (original description)
Hieracium hemisphaericum Zahn (original description)
Hieracium heterochlorum Zahn (original description)
Hieracium hispidellum Zahn (original description)
Hieracium holadenium Zahn (original description)
Hieracium holleri Zahn (original description)
Hieracium hybridopsis Zahn (original description)
Hieracium hyoseriophyllum Zahn (original description)
Hieracium hypastrum Zahn (original description)
Hieracium hypochoeridiforme Zahn (original description)
Hieracium imhoffi Zahn (original description)
Hieracium impexum Zahn (original description)
Hieracium incisifolium Zahn (original description)
Hieracium incisiforme Zahn (original description)
Hieracium killiasii Zahn (original description)
Hieracium lerescheanum Zahn (original description)
Hieracium leucopodum Zahn (original description)
Hieracium lillense Zahn (original description)
Hieracium lithogenes Zahn (original description)
Hieracium macilentiforme (Murr & Zahn) Murr & Zahn accepted as Hieracium froelichianum subsp. macilentiforme (Murr & Zahn) Gottschl. (original description)
Hieracium magnum Zahn (original description)
Hieracium megalocladum Zahn (original description)
Hieracium megalodon Zahn (original description)
Hieracium megalotomum Zahn (original description)
Hieracium meizocephalum Zahn (original description)
Hieracium morthieri Favrat ex Zahn (original description)
Hieracium nalunsicum Zahn (original description)
Hieracium nivescens Zahn (original description)
Hieracium ochroleucopsis Zahn (original description)
Hieracium oxytorum Zahn (original description)
Hieracium pachypilon Zahn (original description)
Hieracium paichei Besse ex Zahn (original description)
Hieracium periphanes Zahn (original description)
Hieracium permirum Zahn (original description)
Hieracium pernigrescens Zahn (original description)
Hieracium phaeocomum Zahn (original description)
Hieracium phaeum Zahn (original description)
Hieracium plagiocladum Zahn (original description)
Hieracium pleioscapum Zahn (original description)
Hieracium polysarcum Zahn (original description)
Hieracium ponticola Zahn (original description)
Hieracium pospichalii Zahn (original description)
Hieracium pravipes Zahn (original description)
Hieracium pravum Zahn (original description)
Hieracium prinzii (Zahn) Käser ex Zahn accepted as Hieracium erucophyllum subsp. prinzii (Zahn) Greuter (original description)
Hieracium psammogeton Zahn (original description)
Hieracium pseudellipticum Zahn (original description)
Hieracium pseudohalleri Zahn (original description)
Hieracium pseudoravaudii Zahn (original description)
Hieracium pseudorubellum Zahn (original description)
Hieracium pseudostolonosum Zahn (original description)