Irish lichens

Lecanora albescens

Order: Lecanorales       Family: Lecanoraceae

Species: Lecanora albescens

Growth type crustose.
Photos: On concrete post. Ballingeary, Co. Cork, SW Ireland.

Small patches of convex, white or occasionally very pale grey areoles, sometimes notched or almost placodioid at margins. Abundant crowded, greenish or pink-brown, +/- white pruinose apothecia. Disc margins are persistent, even, crenulate or wavy.

Common and widespread on well-lit mortar, concrete, paving stones, memorials and hard calcareous rocks.
Chemical reactions negative.


Lecanora albescens
Lecanora albescens October 2009

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