Hieracium hypochoeroides subsp. montis-scuderii (Asteraceae), a new endemic subspecies from Sicily (Italy)
Hieracium hypochoeroides subsp. montis-scuderii, a new subspecies endemic to Sicily, is described and illustrated. It is only known from the carbonate cliffs of Monte Scuderi (Peloritani Mountains, NE-Sicily). Informations on its ecology and taxonomic relationships are provided.