Schematic transect between the Palermo Plain (about 50 m a.s.l.) and Mt. Pellegrino (606 m a.s.l.), in which the geolithological substrates and the main vegetation aspects of the landscape are represented: (A) quaternary calcarenites [Solimovic Regosol (Arenic)]; (B) quaternary calcarenites [Eutric Arenosol (Chromic)]; (C) detrital-clastic materials [Skeletic Regosol (Ochric)]; (D) limestones and dolomites; (1) Quercus ilex forest (Pistacio lentisci-Quercetum ilicis subass. viburnetosum tini); (2) maquis forest of Phillyrea latifolia with Arbutus unedo and Viburnum tinus (Viburno tini-Phillyreetum latifoliae ass. nova); (3) maquis of Olea europaea var. sylvestris with Cercis siliquastrum (Ruto chalepensis-Oleastretum sylvestris subass. cercidetosum siliquastri); (4) ombrophilous maquis of Phillyrea latifolia with Teucrium flavum (Teucrio flavi-Phillyreetum latifoliae ass. nova); (5) grassland vegetation (Penniseto setacei-Hyparrhenietum hirtae); (6) cliff vegetation (Scabioso-Centauretum ucriae); (7) maquis of Olea europaea var. sylvestris with Euphorbia bivonae (Ruto chalepensis-Oleastretum sylvestris subass. euphorbietosum bivonae); (8) artificial plantations; (9) former cultivations (olive groves, etc.).