Hieracium aphyllum subsp. maledictum Zahn accepted as Hieracium pallescens subsp. maledictum (Zahn) Greuter (original description)
Hieracium beauverdianum subsp. pseudexilentum Besse & Zahn (original description)
Hieracium bocconei subsp. kuekenthalianum Zahn accepted as Hieracium tephrosoma subsp. kuekenthalianum (Zahn) Zahn (original description)
Hieracium caesium subsp. campylodon Zahn accepted as Hieracium levicaule subsp. campylodon (Zahn) Greuter (original description)
Hieracium cirritum subsp. adusticeps Zahn accepted as Hieracium melanops Arv.-Touv. (original description)
Hieracium cochlearifolium subsp. pseudoglanduliferum Zahn (original description)
Hieracium cochlearifolium subsp. pseudoglanduliferum Zahn (original description)
Hieracium cochlearifolium subsp. tissierei Zahn (original description)
Hieracium cochlearifolium subsp. tissierei Zahn (original description)
Hieracium erythropodum subsp. nigratum Murr & Zahn accepted as Hieracium obscuratum subsp. nigratum (Murr & Zahn) Greuter (original description)
Hieracium incisum subsp. leucobasis Zahn accepted as Hieracium pallescens subsp. leucobasis (Zahn) Greuter (original description)
Hieracium incisum subsp. melanocinereum Zahn accepted as Hieracium pallescens subsp. melanocinereum (Zahn) Greuter (original description)
Hieracium incisum subsp. pachysphaericum Zahn accepted as Hieracium pallescens subsp. pachysphaericum (Zahn) Greuter (original description)
Hieracium incisum subsp. pseudohittense Zahn accepted as Hieracium pallescens subsp. pseudohittense (Zahn) Greuter (original description)
Hieracium incisum subsp. trachselianoides Zahn accepted as Hieracium pallescens subsp. trachselianoides (Zahn) Greuter (original description)
Hieracium integrifolium subsp. tenuissimum Zahn (original description)
Hieracium integrifolium var. oleicolor Zahn (original description)
Hieracium integrifolium var. oleicolor Zahn (original description)
Hieracium juraniforme (Zahn) Zahn accepted as Hieracium dermophyllum subsp. juraniforme (Zahn) Greuter (original description)
Hieracium juraniforme subsp. juranigenum Zahn accepted as Hieracium dermophyllum subsp. juranigenum (Zahn) Greuter (original description)
Hieracium juraniforme subsp. juranopsis Zahn accepted as Hieracium dermophyllum subsp. juranopsis (Zahn) Greuter (original description)
Hieracium juranum subsp. aligerum Zahn (original description)
Hieracium juranum subsp. aligerum Zahn (original description)
Hieracium juranum subsp. decrescentifolium Murr & Zahn (original description)
Hieracium juranum subsp. decrescentifolium Murr & Zahn (original description)
Hieracium juranum subsp. multiserratum Zahn (original description)
Hieracium juranum subsp. multiserratum Zahn (original description)
Hieracium juranum subsp. tephroprenanthes Zahn (original description)
Hieracium juranum subsp. tephroprenanthes Zahn (original description)
Hieracium juranum subsp. urezzae Zahn (original description)
Hieracium juranum subsp. urezzae Zahn (original description)
Hieracium juranum var. constrictiforme Zahn (original description)
Hieracium juranum var. constrictiforme Zahn (original description)
Hieracium macilentum subsp. samoensicum Zahn accepted as Hieracium froelichianum subsp. samoensicum (Zahn) Gottschl. & Greuter (original description)
Hieracium pallidiflorum subsp. subpicroides Zahn (original description)
Hieracium pallidiflorum subsp. subpicroides Zahn (original description)
Hieracium pictiforme subsp. pseudorionii Zahn (original description)
Hieracium psammogenes (Zahn) Zahn accepted as Hieracium bifidum subsp. psammogenes (Zahn) Zahn (original description)
Hieracium psammogenes var. obscurisquamum Zahn (original description)
Hieracium salevense (Fr.) Zahn accepted as Hieracium doronicifolium subsp. salevense (Rapin ex Fr.) Gottschl. (original description)
Hieracium villosiceps subsp. catognense Zahn accepted as Hieracium pilosum subsp. favrei (Nägeli & Peter) Greuter (original description)
Hieracium wiesbaurianum subsp. bridelianum Zahn (original description)