(a) Teucrium flavum, typical element of cliffs and stony slopes, characteristic of the Teucrio flavi-Phillyreetum latifoliae ass. nova; (b), (c) aspects of the Teucrio flavi-Phillyreetum latifoliae ass. nova, ombrophilous community along the detrital slopes of Mt. Pellegrino; (d) Cryphaea heteromalla very rare species in Sicily, found in the Bosco Niscemi, on the trunks of Quercus ilex; (e) multi-centennial specimen of Olea europaea var. europaea in the Favorita Park; (f) Fuscoporia torulosa (Pers.) T.Wagner & M.Fisch. wood rot species on Arbutus unedo stump.