Comunity of lichens on a Holm oak twig. In red we have Caloplaca ferruginea (pic. 2), at the left we have Lecanora dispersa (pic. 3), the yellow one is Candelaria concolor (pic 4), the black one is Buellia punctata (pic. 5) and the grey one Parmelina sp. (pic. 6). Besides, Evernia prunastri is at the lower left margin. The total length of the twig here represented measures 2-3 cm. The diametre of the apothecia is 1-2 mm.
Spotted on a Holm oak twig