Vascular plants are vegetables with roots and sap-conducting vessels. Their inventory in the three main areas of the Salins d'Hyères (Vieux Salins, Salin des Pesquiers, and Pinède des Pesquiers) demonstrates the high biological richness of the natural environments of the locality of Hyères. These territories are home to some 1,290 species of vascular plants, a little less than half of which are in the Vieux Salins. They also comprise remarkable numbers of heritage plants with 58 varieties in the Vieux Salins, 55 in the Pinèdes des Pesquiers, and 47 in the Salin des Pesquiers.