Contribution to the knowledge of the endemic vascular flora of Sulcis (SW Sardinia -Italy)

Abstract

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