Lecanoraceae Lecanora compallens Growth type crustose Chemical results: Thallus K-, C-, P-, UV- Soredia K+ yellow to yellow-brown, C-, P-, UV+/- pale orange On exposed (western) side of trees and shrubs and on worked timber. Thin, immersed, pale grey thallus with patches of punctiform yellow-green soredia spreading over thallus but leaving a narrow marginal zone. Apothecia and pycnidia are absent. Similar: Pyrrhospora quernea K-, C+ orange, KC+ orange Lecanora expallens C+ orange. L. barkmaniana K+ yellow, C-

Lecanora compallens
On wooden post, Kimmeridge bay, Dorset. January 2013