Hypogymnia physodes

Foliose epiphytic, on acid bark.
Note: medulla and soralia K-, C-, KC+, (more or less orange), cortex K+ yelow later brown-red; lobes fistulous, soralia labriform:
Black underside, without rhizines:
Phorophyte: Quercus ilex
Altitude: 1.200 m
Municipality: Tabernas