Hieracium alvense Zahn (original description)
Hieracium amauradenium Zahn (original description)
Hieracium amaureilema Zahn. (original description)
Hieracium anadenium Zahn (original description)
Hieracium apocladum Zahn (original description)
Hieracium basitrichum Zahn (original description)
Hieracium crinisquamum Zahn (original description)
Hieracium lachnocephalum Zahn (original description)
Hieracium lanuginosum Zahn (original description)
Hieracium oblongifolium Zahn (original description)
Hieracium oligoclados Zahn (original description)
Hieracium oligophyllum Zahn (original description)
Hieracium patulum Zahn (original description)
Hieracium pseudorhaeticum Zahn (original description)
Hieracium spelugense Zahn (original description)
Hieracium subfrigidarium Zahn (original description)
Hieracium subfurcatum Zahn (original description)
Hieracium subgaudini Zahn (original description)
Hieracium subglaciale Zahn (original description)
Hieracium zermattense Zahn (original description)
Hieracium zollikoferi Zahn (original description)