Hieracium abrezolianum Zahn accepted as Pilosella kalksburgensis (Wiesb.) Soják (original description)
Hieracium ardissonei Zahn (original description)
Hieracium bastrerianum Zahn (original description)
Hieracium beauverdianum subsp. crepididens Zahn (original description)
Hieracium cavillieri Zahn (original description)
Hieracium chlorelloides (Zahn) Zahn (original description)
Hieracium cirritogenes Zahn (original description)
Hieracium consanguineum Gremli ex Zahn (original description)
Hieracium crispulifolium Arv.-Touv. ex Zahn (original description)
Hieracium cryptastrum Zahn (original description)
Hieracium cymellum Arv.-Touv. ex Zahn (original description)
Hieracium elegantidens Zahn (original description)
Hieracium epimedium subsp. heterolobum Zahn accepted as Hieracium froelichianum subsp. heterolobum (Zahn) Gottschl. & Greuter (original description)
Hieracium epimedium subsp. laevipedunculum Zahn accepted as Hieracium froelichianum subsp. laevipedunculum (Zahn) Gottschl. & Greuter (original description)
Hieracium epimedium subsp. subtenellipes Zahn accepted as Hieracium froelichianum subsp. subtenellipes (Zahn) Gottschl. & Greuter (original description)
Hieracium erioleucum Zahn (original description)
Hieracium farinulentiforme Zahn accepted as Hieracium mattiroloanum subsp. farinulentiforme (Zahn) Greuter (original description)
Hieracium goderiense Zahn accepted as Hieracium monnieri subsp. goderiense (Zahn) Zahn (original description)
Hieracium incisum subsp. conferticeps Zahn accepted as Hieracium pallescens subsp. conferticeps (Zahn) Greuter (original description)
Hieracium incisum subsp. naevulatum Zahn accepted as Hieracium pallescens subsp. naevulatum (Zahn) Greuter (original description)
Hieracium isolanum Zahn (original description)
Hieracium juraniforme subsp. ortiganum Zahn accepted as Hieracium dermophyllum subsp. ortiganum (Zahn) Greuter (original description)
Hieracium juranum subsp. constrictifrons Zahn (original description)
Hieracium juranum subsp. constrictifrons Zahn (original description)
Hieracium juranum subsp. decrescentifrons Zahn (original description)
Hieracium juranum subsp. decrescentifrons Zahn (original description)
Hieracium juranum subsp. remotifrons Zahn (original description)
Hieracium juranum subsp. remotifrons Zahn (original description)
Hieracium lactucoides Arv.-Touv. ex Zahn (original description)
Hieracium laevibifidum Arv.-Touv. ex Zahn (original description)
Hieracium marchesettianum Zahn accepted as Hieracium chlorophyton subsp. marchesettianum (Zahn) Greuter (original description)
Hieracium marchesettianum subsp. languidum Zahn accepted as Hieracium chlorophyton subsp. languidum (Zahn) Greuter (original description)
Hieracium pandurellum Arv.-Touv. ex Zahn (original description)
Hieracium pizenze Zahn (original description)
Hieracium praecox subsp. acrocampylum Zahn (original description)
Hieracium praecox subsp. pulverosum Zahn (original description)
Hieracium praecox subsp. subfraternum Zahn (original description)
Hieracium pseudoprasinops Zahn (original description)
Hieracium salevense subsp. pubifrons Zahn accepted as Hieracium doronicifolium subsp. pubifrons (Zahn) Greuter (original description)
Hieracium strafforelloanum Zahn (original description)
Hieracium subglomeratum Arv.-Touv. ex Zahn (original description)
Hieracium subpamphili Zahn (original description)
Hieracium subtomentosum Zahn (original description)
Hieracium thuretianum Zahn (original description)
Hieracium valesiacum Gremli ex Zahn (original description)
Hieracium wiesbaurianum subsp. adesiforme Zahn (original description)
Hieracium wiesbaurianum subsp. cinarescentiforme Zahn (original description)
Hieracium wiesbaurianum subsp. hemibifidum Zahn (original description)
Hieracium wiesbaurianum subsp. lineatiforme Zahn (original description)
Hieracium wiesbaurianum subsp. monomeres Zahn (original description)