Hieracium austriacum subsp. pseudolonganum Zahn accepted as Hieracium apricorum subsp. pseudolonganum (Zahn) Greuter (original description)
Hieracium illyricum subsp. pseudothyrsodes Zahn accepted as Hieracium calcareum subsp. pseudothyrsodes (Zahn) Greuter (original description)
Hieracium pallidum subsp. acrocrocydotum Zahn (original description)
Hieracium pallidum subsp. cenomanicum Zahn (original description)
Hieracium pallidum subsp. euacrocydotum Zahn (original description)
Hieracium pallidum subsp. provinciale Zahn (original description)
Hieracium praecox subsp. atrichoglaucinum Zahn (original description)
Hieracium praecox subsp. billetianum Zahn (original description)
Hieracium praecox subsp. crestense Briq. & Zahn (original description)
Hieracium praecox subsp. divertens Zahn (original description)
Hieracium praecox subsp. microcladophorum Briq. & Zahn (original description)
Hieracium praecox subsp. sudrei Zahn (original description)
Hieracium schefferi Rech.f. & Zahn (original description)
Hieracium wichurae Zahn (original description)
Hieracium wiesbaurianum subsp. apertorum Bornm. & Schack ex Zahn (original description)
Hieracium wiesbaurianum subsp. mollardianum Briq. & Zahn (original description)
Hieracium wiesbaurianum subsp. poeciloprasum Briq. & Zahn (original description)
Hieracium wiesbaurianum subsp. pseudosetibifidum Zahn (original description)
Hieracium wiesbaurianum subsp. pseudowiesbaurianiforme K.Müll. & Zahn (original description)