Irish lichens

Melanelixia subaurifera
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

Melanelixia subaurifera

Melanelixia subaurifera
Melanelixia subaurifera. February and August 2009

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