Order: Lecanorales Family: Parmeliaceae
Species: Xanthoparmelia delisei
Photos: On coastal rocks. Dunmanus Bay, Cork, SW Ireland.
Identification needs confirming
Thallus yellowish to grey-brown, tranversely wrinkled, +/- adpressed. Lobes maculate, radiating at margin, often pruinose at tips. Lower surface black, often paler at tips with frequent simple rhizines. Apothecia common on older parts of thallus, isidia absent.
Occurs on well-lit, siliceous, coastal rocks, often with X. pulla
Medulla: KC+ orange-red, C+/- red, UV+ white.
Similar: Xanthoparmelia loxodes and X. verruculifera
Xanthoparmelia delisei. Dunmanus Bay, Co. Cork. March 2009