Hieracium acrogymnon (Malme) Üksip (original description)
Hieracium acrosciadium (Nägeli & Peter) Üksip accepted as Pilosella densiflora (Tausch) Soják (original description)
Hieracium acroxanthum (Sosn. & Zahn) Üksip accepted as Hieracium camkorijense subsp. acroxanthum Sosn. & Zahn (original description)
Hieracium acuminatifolium (Litv. & Zahn) Üksip ex Üksip (original description)
Hieracium acutangulum (Koslovsky & Zahn) Üksip accepted as Hieracium caucasiense subsp. acutangulum (Koslovsky & Zahn) Greuter (original description)
Hieracium acutisquamum (Nägeli & Peter) Üksip accepted as Pilosella lactucella (Wallr.) P.D.Sell & C.West (original description)
Hieracium akinfiewii (Woronow & Zahn) Üksip accepted as Pilosella verruculata subsp. akinfiewii (Woronow & Zahn) S.Bräut. & Greuter (original description)
Hieracium alatavicum (Zahn) Üksip accepted as Hieracium korshinskyi Zahn (original description)
Hieracium albellipes (Schelk. & Zahn) Üksip accepted as Hieracium transiens subsp. albellipes (Schelk. & Zahn) Greuter (original description)
Hieracium albipes (Dahlst.) Üksip accepted as Hieracium caesium subsp. galbanum Dahlst. (original description)
Hieracium altaicum (Nägeli & Peter) Üksip accepted as Pilosella caespitosa (Dumort.) P.D.Sell & C.West (original description)
Hieracium alticaule (Litv. & Zahn) Üksip accepted as Pilosella brachiata (DC.) F.W.Schultz & Sch.Bip. (original description)
Hieracium alupkanum (Zahn) Üksip accepted as Pilosella auriculoides (Láng) Arv.-Touv. (original description)
Hieracium amauranthum (Peter) Üksip accepted as Pilosella densiflora (Tausch) Soják (original description)
Hieracium amaureilema (Nägeli & Peter) Üksip accepted as Hieracium magnauricula (Nägeli & Peter) Üksip (original description)
Hieracium amaurobasis (Litv. & Zahn) Üksip accepted as Pilosella auriculoides (Láng) Arv.-Touv. (original description)
Hieracium amnoon (Nägeli & Peter) Üksip accepted as Pilosella piloselloides subsp. magyarica (Peter) S.Bräut. & Greuter (original description)
Hieracium amoeniceps (Zahn) Üksip accepted as Pilosella macrostolona (Gus.Schneid.) Soják (original description)
Hieracium amphileion (Pohle & Zahn) Üksip ex Üksip (original description)
Hieracium amphitephrodes (Sosn. & Zahn) Üksip accepted as Hieracium transiens subsp. amphitephrodes (Sosn. & Zahn) Greuter (original description)
Hieracium anocladum (Nägeli & Peter) Üksip accepted as Pilosella leptophyton (Nägeli & Peter) S.Bräut. & Greuter (original description)
Hieracium antennarioidiforme (Zahn) Üksip (original description)
Hieracium apatorium (Nägeli & Peter) Üksip accepted as Pilosella floribunda (Wimm. & Grab.) Fr. (original description)
Hieracium aquilonare (Nägeli & Peter) Üksip accepted as Pilosella piloselloides subsp. praealta (Gochnat) S.Bräut. & Greuter (original description)
Hieracium arctogeton (Zahn) Üksip ex Üksip (original description)
Hieracium arcuatidens (Zahn) Üksip accepted as Hieracium subpellucidum (Norrl.) Norrl. (original description)
Hieracium argillaceoides (Litv. & Zahn) Üksip accepted as Hieracium lachenalii subsp. argillaceoides (Litv. & Zahn) Greuter (original description)
Hieracium armeniacum (Nägeli & Peter) Üksip accepted as Pilosella piloselloides subsp. magyarica (Peter) S.Bräut. & Greuter (original description)
Hieracium artabirense (Zahn) Üksip accepted as Hieracium transiens subsp. artabirense (Zahn) Greuter (original description)
Hieracium artvinense (Woronow & Zahn) Üksip accepted as Hieracium microtum subsp. artvinense Woronow & Zahn (original description)
Hieracium arvense (Nägeli & Peter) Üksip accepted as Pilosella auriculoides (Láng) Arv.-Touv. (original description)
Hieracium aryslynense (Zahn) Üksip accepted as Hieracium plicatum Lindeb. (original description)
Hieracium asiaticum (Nägeli & Peter) Üksip accepted as Pilosella echioides (Lumn.) F.W.Schultz & Sch.Bip. (original description)
Hieracium asterodermum (Woronow & Zahn) Üksip accepted as Hieracium crocatum subsp. asterodermum Woronow & Zahn (original description)
Hieracium atrellum (Zahn) Üksip ex Üksip (original description)
Hieracium baenitzii (Nägeli & Peter) Üksip accepted as Pilosella floribunda (Wimm. & Grab.) Fr. (original description)
Hieracium bakurianense (Fomin & Zahn) Üksip accepted as Hieracium camkorijense subsp. bakurianense Fomin & Zahn (original description)
Hieracium basileucum (Litv. & Zahn) Üksip accepted as Pilosella auriculoides (Láng) Arv.-Touv. (original description)
Hieracium bauhiniflorum (Nägeli & Peter) Üksip accepted as Pilosella leptophyton (Nägeli & Peter) S.Bräut. & Greuter (original description)
Hieracium beschtavicum (Litv. & Zahn) Üksip accepted as Hieracium sparsum subsp. beschtavicum (Litv. & Zahn) Zahn (original description)
Hieracium bichloricolor (Ganesch. & Zahn) Üksip (original description)
Hieracium branae (Nägeli & Peter) Üksip accepted as Pilosella piloselloides subsp. magyarica (Peter) S.Bräut. & Greuter (original description)
Hieracium buhsei (Nägeli & Peter) Üksip accepted as Pilosella procera (Fr.) F.W.Schultz & Sch.Bip. (original description)
Hieracium bupleurifolioides (Zahn) Üksip accepted as Hieracium prenanthoides subsp. bupleurifolioides Zahn (original description)
Hieracium bupleurifolium (Wimm. & Grab.) Tausch ex Üksip (original description)
Hieracium callimorphopsis (Zahn) Üksip accepted as Pilosella piloselliflora (Nägeli & Peter) Soják (original description)
Hieracium calolepideum (Norrl.) Üksip accepted as Pilosella aurantiaca subsp. decolorans (Fr.) T.Tyler (original description)
Hieracium caloprasinum (Zahn) Üksip accepted as Hieracium transiens subsp. caloprasinum (Zahn) Greuter (original description)
Hieracium cardiobasis (Zahn) Üksip (original description)
Hieracium casparyanum (Nägeli & Peter) Üksip accepted as Pilosella prussica (Nägeli & Peter) Soják (original description)
Hieracium chaetothyrsoides (Zahn) Üksip accepted as Hieracium djimilense subsp. chaetothyrsoides (Zahn) Zahn (original description)
Hieracium chaetothyrsum (Litv. & Zahn) Üksip accepted as Hieracium djimilense subsp. chaetothyrsum (Litv. & Zahn) Zahn (original description)
Hieracium chloroleucolepium (Koslovsky & Zahn) Üksip accepted as Hieracium camkorijense subsp. chloroleucolepium Koslovsky & Zahn (original description)
Hieracium chlorophilum (Koslovsky & Zahn) Üksip accepted as Hieracium medschedsense subsp. chlorophilum Koslovsky & Zahn (original description)
Hieracium christoglossum (Zahn) Üksip accepted as Pilosella tephrocephala (Vuk.) Soják (original description)
Hieracium cinereostriatum (Woronow & Zahn) Üksip accepted as Hieracium murorum subsp. cinereostriatum (Woronow & Zahn) Zahn (original description)
Hieracium concinnidens (Zahn) Üksip accepted as Hieracium sparsum subsp. concinnidens Zahn (original description)
Hieracium coniciforme (Litv. & Zahn) Üksip accepted as Hieracium crocatum subsp. coniciforme Litv. & Zahn (original description)
Hieracium cymanthodes (Koslovsky & Zahn) Üksip accepted as Pilosella piloselloides subsp. bauhini (Schult.) S.Bräut. & Greuter (original description)
Hieracium cymanthum (Nägeli & Peter) Üksip accepted as Pilosella piloselloides subsp. bauhini (Schult.) S.Bräut. & Greuter (original description)
Hieracium cymiramum (Schelk. & Zahn) Üksip accepted as Pilosella pannoniciformis (Litv. & Zahn) Soják (original description)
Hieracium cymosiforme (Nägeli & Peter) Üksip accepted as Pilosella densiflora (Tausch) Soják (original description)
Hieracium debilescens (Woronow & Zahn) Üksip accepted as Hieracium diaphanoides subsp. debilescens Woronow & Zahn (original description)
Hieracium dechyi (Koslovsky & Zahn) Üksip accepted as Hieracium laevigatum subsp. dechyi Koslovsky & Zahn (original description)
Hieracium diaphanoidiceps (Woronow & Zahn) Üksip accepted as Hieracium camkorijense subsp. diaphanoidiceps Woronow & Zahn (original description)
Hieracium discolor (Nägeli & Peter) Üksip accepted as Pilosella leptophyton (Nägeli & Peter) S.Bräut. & Greuter (original description)
Hieracium dissolutum (Nägeli & Peter) Üksip accepted as Pilosella caespitosa (Dumort.) P.D.Sell & C.West (original description)
Hieracium dmitrovense (Peter) Üksip accepted as Pilosella brachiata (DC.) F.W.Schultz & Sch.Bip. (original description)
Hieracium durisetum (Nägeli & Peter) Üksip accepted as Pilosella setigera Fr. (original description)
Hieracium echiocephalum (Nägeli & Peter) Üksip accepted as Pilosella auriculoides (Láng) Arv.-Touv. (original description)
Hieracium echiogenes (Nägeli & Peter) Üksip accepted as Pilosella auriculoides (Láng) Arv.-Touv. (original description)
Hieracium epichlorum (Litv. & Zahn) Üksip accepted as Hieracium lachenalii subsp. epichlorum (Litv. & Zahn) Greuter (original description)
Hieracium ericetorum (Nägeli & Peter) Üksip accepted as Pilosella piloselloides subsp. praealta (Gochnat) S.Bräut. & Greuter (original description)
Hieracium erythrochristum (Nägeli & Peter) Üksip accepted as Pilosella erythrochrista (Nägeli & Peter) S.Bräut. & Greuter (original description)
Hieracium fariniramum (Ganesch. & Zahn) Üksip (original description)
Hieracium farinodermum (Litv. & Zahn) Üksip accepted as Pilosella verruculata (Link) Soják (original description)
Hieracium fastigiatum (Tausch ex Nägeli & Peter) Üksip accepted as Pilosella piloselloides subsp. bauhini (Schult.) S.Bräut. & Greuter (original description)
Hieracium floccicomatum (Woronow & Zahn) Üksip accepted as Hieracium murorum subsp. floccicomatum (Woronow & Zahn) Zahn (original description)
Hieracium floccipedunculum (Nägeli & Peter) Üksip accepted as Pilosella piloselloides subsp. praealta (Gochnat) S.Bräut. & Greuter (original description)
Hieracium floribundiforme (Nägeli & Peter) Üksip accepted as Pilosella dubia (L.) F.W.Schultz & Sch.Bip. (original description)
Hieracium floribundoides (Zahn) Üksip accepted as Pilosella dubia (L.) F.W.Schultz & Sch.Bip. (original description)
Hieracium floridum (Nägeli & Peter) Üksip accepted as Pilosella iserana (R.Uechtr.) Soják (original description)
Hieracium foliosissimum (Woronow & Zahn) Üksip accepted as Hieracium sparsum subsp. foliosissimum (Woronow & Zahn) Zahn (original description)
Hieracium fominianum (Woronow & Zahn) Üksip (original description)
Hieracium freynii (Nägeli & Peter) Üksip accepted as Pilosella echioides (Lumn.) F.W.Schultz & Sch.Bip. (original description)
Hieracium frickii (Zahn) Üksip accepted as Pilosella bifurca (M.Bieb.) F.W.Schultz & Sch.Bip. (original description)
Hieracium frigidellum (Pohle & Zahn) Üksip accepted as Hieracium subarctoum Norrl. (original description)
Hieracium frondosum (Nägeli & Peter) Üksip accepted as Pilosella schultesii (F.W.Schultz) F.W.Schultz & Sch.Bip. (original description)
Hieracium fulvescens (Nägeli & Peter) Üksip accepted as Pilosella floribunda (Wimm. & Grab.) Fr. (original description)
Hieracium furfuraceoides (Zahn) Üksip accepted as Hieracium panaeolum Dahlst. (original description)
Hieracium giganticaule (Zahn) Üksip accepted as Pilosella glomerata (Froel.) Fr. (original description)
Hieracium glomeratiforme (Zahn) Üksip accepted as Pilosella scandinavica (Dahlst.) Schljakov (original description)
Hieracium glomerellum (Zahn) Üksip accepted as Hieracium transiens subsp. glomerellum (Litv. & Zahn) Greuter (original description)
Hieracium gnaphalium (Nägeli & Peter) Üksip accepted as Pilosella prussica (Nägeli & Peter) Soják (original description)
Hieracium goriense (Koslovsky & Zahn) Üksip accepted as Hieracium laevigatum subsp. goriense Koslovsky & Zahn (original description)
Hieracium gothicifrons (Zahn) Üksip accepted as Hieracium litwinowianum subsp. gothicifrons Zahn (original description)
Hieracium guttenfeldense (Zahn) Üksip accepted as Pilosella prussica (Nägeli & Peter) Soják (original description)
Hieracium haematoglossum (Koslovsky & Zahn) Üksip accepted as Pilosella auriculoides (Láng) Arv.-Touv. (original description)
Hieracium heothinum (Nägeli & Peter) Üksip accepted as Pilosella piloselloides subsp. magyarica (Peter) S.Bräut. & Greuter (original description)
Hieracium heterodontoides (Litv. & Zahn) Üksip accepted as Hieracium transiens subsp. heterodontoides (Litv. & Zahn) Greuter (original description)