Hieracium diarsianum Marcet in Butl. Inst. Catalana Hist. Nat. 5: 63. 1905 Hieracium diarsianum Marcet in Butl. Inst. Catalana Hist. Nat. 5: 63. 1905Taxon for this nameHieracium diarsianum Marcet in Butl. Inst. Catalana Hist. Nat. 5: 63. 1905