Sobre las especies ibero-pirenaicas del género Hieracium L. distribuidas en la Hieraciotheca de Arvet-Touvet y Gautier |

On the species of Hieracium L. (Asteraceae) from Spain or Pyrenees distributed by Arvet-Touvet and Gautier in his exsiccata Hie- raciotheca Gallica et Hispanica. In this work we list the species or subspecies of Hieracium L. (Asteraceae) found in Spain or Pyrenees and proposed by Ar- vet-Touvet and Gautier (1897-1908) in his exsiccata Hieraciotheca Gallica et Hispanica as new taxa by them or by later authors. Keywords: Hieracium, Asteraceae, Hieraciotheca, taxonomy, Arvet-Touvet, Gautier, new species, Spain, France, Pyrenees.