Lecanoraceae Lecanora fugiens Growth type crustose Thallus K+ faint yellow, C+ orange to orange-red, KC+ orange-red Thallus, disc and exciple P+ orange-red, UV+ bright orange Images previously shown were Lecanora andrewii. Thank you to Jean-Yves Monnat for the correction

Lecanora fugiens
On chert, Portland, Dorset. February 2016