Order: Lecanorales       Family: Lecanoraceae Species: Lecanora sinuosa Growth type crustose Photos: Foynes, Co. Limerick and Killarney NP, Co. Kerry, Ireland A thick, warted, pale whitish-grey or grey thallus covered with apothecial initials that lack a hypothallus. Apothecia slightly darker brown than those of L. hybocarpa with thick, over-arching sinuous margins. Epithecium is coarsely granular and the hymenium has tiny light brown crystals between the paraphyses. Spores are simple, 13-17 x 7.5-9 µm. Microscope photographs below (polarised light). Chemistry K+ yellow, C-, P-. UV- Occurs on exposed, well-lit deciduous trees with acidic bark Similar: Lecanora hybocarpa and L. chlarotera

Microscope photographs



Lecanora sinuosa. September 2010, August 2024