Article

The results of a survey on the endemic vascular flora of Sulcis (SW Sardinia) are presented. This flora consists of 122 taxa, including 81 species, 32 subspecies, 5 varieties and 4 hybrids. The total of 80 genera, 34 families and 23 orders are represented. The analysis of biologic and chorological data highlighted the environmental peculiarities of Sulcis, given by the local evolution of a rich floristic contingent. Eight exclusive endemics, together with an unique blend of geolithologic, geomorphologic, paleogeographic, bioclimatic and vegetation features, let to attribute the rank of biogeographic sector to the Sulcis-Iglesiente territory, whose southern part can be seen as the Sulcis sub sector. The new IUCN protection categories are proposed for all taxa restricted to the Sulcis-Iglesiente sector.