Irish lichens

Lecidea fuscoatra
Order: Lecanorales       Family: Lecideaceae

Species: Lecidea fuscoatra

Growth type crustose.
Photos: On acidic rocks in the Burren and Co. Cork, Ireland.
Image below: On granite boulder. Black Head, the Burren. BLS meeting 2009

Cracked red-brown to greyish areoles surrounded by black prothallus. Immersed black apothecia are often white pruinose, sometimes convex with persistent margin.

Common on nutrient-rich siliceous rocks, also on old brick walls.
Upper cortex only: C+ red

Lecidea fuscoatra

Lecidea fuscoatra

Lecidea fuscoatra
Immediately above: Lecidea fuscoatra. Gougane Barra, August 2009. Identified by John Douglass

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