Irish lichens

Lecidella scabra

Order: Lecanorales       Family: Lecanoraceae

Species: Lecidella scabra

Growth type crustose
Photos: Allihies, Co. Cork, SW Ireland.

Thin or roughly granular grey thallus, often tinged greenish. Delimited soralia become confluent, bluish-green or yellow-green, grey-green when rubbed. Soralia reduced when apothecia present.

Common on acidic walls and rocks. Also found on slightly base-rich rocks and occasionally on weathered or dusty wood and tree bases.

Lecidella scabra March 2012

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