Schematic transect of the landscape units occurring on the N-facing slopes of Locality Pedrazzi, on the right streamside of Torrente Vaddunicchio: (1) pioneer maquis with Ptilostemon greuteri on debris slopes (Malvo olbiae-Ptilostemonetum greuteri subass. typicum); (2) lithophilous maquis co-dominated by Ptilostemon greuteri, Chamaerops humilis and Euphorbia bivonae on rocky ledges (Malvo olbiae-Ptilostemonetum greuteri subass. euphorbietosum bivonae); (3) thicket with Fraxinus ornus and Pistacia terebinthus (aggr. with F. ornus and P. terebinthus); (4) woodland with Quercus ilex and thermophilous deciduous trees (Rhamno alaterni-Quercetum ilicis subass. pistacietosum terebinthi); (5) grassland with Ampelodesmos mauritanicus (Helictotricho convoluti-Ampelodesmetum mauritanici) and garrigue with Erica multiflora and Micromeria fruticulosa (Erico multiflorae-Micromerietum fruticulosae); (6) chasmophytic community (all. Dianthion rupicolae); (7) grasslands with Hyparrhenia hirta on S-SE facing xeric slopes (all. Hyparrhenion hirtae); (8) scrub with Chamaerops humilis (Pistacio lentisci-Chamaeropetum humilis); (9) small nuclei of tall maquis with Olea europaea var. sylvestris (Ruto chalepensis-Oleetum sylvestris); (10) artificial forest stands with Pinus pinea.