Species: Xanthoparmelia loxodesPreviously Neofuscelia loxodes. Growth type foliose.
Photos: On granite boulder. Black Head, the Burren, Ireland.
BLS Burren meeting 2009
Large thallus with shiny, slightly wrinkled, yellowish-brown or brown lobes. Black underside with rhizines not extending to lobe tips. Short, coarse isidia become confluent, erode leaving white patches. Apothecia frequent, margins often isidiate.
Occurs on well-lit coastal siliceous rocks and cliffs. Also found inland on rocks, roof slates and wall tops.
Cortex K-. Medulla K-, C+/- red, KC+ orange-red, P-, UV+ white
Similar: Xanthoparmelia delisei and X. verruculifera
Xanthoparmelia loxodes April 2009