Hieracium brevifolium subsp. cumuliflorum Zahn (original description)
Hieracium erythrocarpum subsp. abatanum Hayek & Zahn accepted as Hieracium transiens subsp. abatanum (Hayek & Zahn) Greuter (original description)
Hieracium erythrocarpum subsp. acrocymum Zahn accepted as Hieracium transiens subsp. acrocymum (Zahn) Greuter (original description)
Hieracium erythrocarpum subsp. aculeatissimum Zahn accepted as Hieracium transiens subsp. aculeatissimum (Zahn) Greuter (original description)
Hieracium erythrocarpum subsp. artabirense Zahn accepted as Hieracium transiens subsp. artabirense (Zahn) Greuter (original description)
Hieracium erythrocarpum subsp. cryptonaevum Bornm. & Zahn accepted as Hieracium transiens subsp. cryptonaevum (Bornm. & Zahn) Greuter (original description)
Hieracium erythrocarpum subsp. karagoellense Zahn accepted as Hieracium transiens subsp. karagoellense (Zahn) Greuter (original description)
Hieracium erythrocarpum subsp. laxifurcans Bornm. & Zahn accepted as Hieracium transiens subsp. laxifurcans (Bornm. & Zahn) Greuter (original description)
Hieracium erythrocarpum subsp. mallopoderes Bornm. & Zahn accepted as Hieracium transiens subsp. mallopoderes (Bornm. & Zahn) Greuter (original description)
Hieracium erythrocarpum subsp. mallopodioides Zahn accepted as Hieracium transiens subsp. mallopodioides (Zahn) Greuter (original description)
Hieracium erythrocarpum subsp. sintenisii Zahn accepted as Hieracium transiens subsp. sintenisii (Zahn) Greuter (original description)
Hieracium erythrocarpum subsp. stellidorsum Bornm. & Zahn accepted as Hieracium transiens subsp. stellidorsum (Bornm. & Zahn) Greuter (original description)
Hieracium erythrocarpum subsp. zygosense Zahn accepted as Hieracium transiens subsp. zygosense (Zahn) Greuter (original description)
Hieracium laevigatum subsp. tavense (W.R.Linton) Zahn accepted as Hieracium tavense (W.R.Linton) Ley (original description)
Hieracium laurinum subsp. tauryniae Zahn accepted as Hieracium vasconicum subsp. tauryniae (Zahn) Greuter (original description)
Hieracium marchesettianum subsp. margittaianum Zahn accepted as Hieracium chlorophyton subsp. margittaianum (Zahn) Greuter (original description)
Hieracium muricellum subsp. gandogeri Zahn accepted as Hieracium caucasiense subsp. gandogeri (Zahn) Greuter (original description)
Hieracium muricellum subsp. macrogonum Zahn accepted as Hieracium caucasiense subsp. macrogonum (Zahn) Greuter (original description)
Hieracium platyphyllum subsp. hostianum (Wiesb.) Zahn accepted as Hieracium sabaudum subsp. sublactucaceum Zahn (original description)
Hieracium platyphyllum subsp. subboreale Zahn accepted as Hieracium neoplatyphyllum subsp. neoplatyphyllum Gottschl. (original description)
Hieracium platyphyllum subsp. valdescabrum Zahn accepted as Hieracium neoplatyphyllum subsp. valdescabrum (Zahn) Greuter (original description)
Hieracium pseuderiopus Zahn accepted as Hieracium klisurae subsp. pseuderiopus (Zahn) Greuter (original description)
Hieracium pseuderiopus subsp. caparinum Zahn accepted as Hieracium klisurae subsp. caparinum (Zahn) Greuter (original description)
Hieracium sect. Adenothyrsa Zahn (original description)
Hieracium sect. Aurelliformia (Fr.) Zahn (original description)
Hieracium sect. Hypochoeridiformia (Arv.-Touv. ex Peter) Zahn (original description)
Hieracium sect. Piloselliformia (Fr.) Zahn (original description)