?Hieracium caesium subsp. zabelianum
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 caesium subsp. zabelianum in Bot. Rundbr. Mecklenburg-Vorpommern 31: 17. 1998