Hieracium joannis
Synonymy
Source: Greuter, W. (2006+): Compositae (pro parte majore). – In: Greuter, W. & Raab-Straube, E. von (ed.): Compositae. Euro+Med Plantbase - the information resource for Euro-Mediterranean plant diversity.
Hieracium joannis [as "joannei"] in Phytotaxa 309(2): 173. 2017