Order: Lecanorales       Family: Parmeliaceae Species: Melanelixia subaurifera Growth type foliose. Photos: On Sorbus and Oak. Co. Cork, SW Ireland. Dull-green or brownish-green adpressed lobes. Under-surface is black with simple rhizines. Clumps of short, simple, globose isidia often disintegrating into soredia then eroding leaving pale marks. Apothecia are rare, margins becoming sorediate. On well-lit smooth-barked trees, usually on twigs and branches. Medulla: C+ red, UV-. Rubbing a finger over soralia or isidia shows pale yellow-white marks. Similar: Melanelixia glabratula. Shiny greenish lobes.

Melanelixia subaurifera. February and August 2009