Irish lichens

Lecanora compallens

Order: Lecanorales       Family: Lecanoraceae

Species: Lecanora compallens

Growth type crustose.
Photos: On roadside tree. Aughinish Alumina, Co. Limerick, Ireland. Identified by Brian Coppins

Thin, immersed, pale grey thallus with irregular patches of punctiform soralia. Yellowish-green soredia, spreading over thallus leaving narrow marginal zone. Apothecia and pycnidia absent.
Thallus K-, C-, P-, UV-
Soredia K+ yellow to yellow-brown, C-, P-, UV+/- pale orange

On the more exposed side of wayside and parkland trees and shrubs. Also found on worked timber.

Similar: L. barkmaniana, K+ yellow, C-. L. expallens, C+ orange

Lecanora compallens

Lecanora compallens
Lecanora compallens. December 2009

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