Intralichen lichenum # Lichenicolous fungus Widespread in the apothecia of many crustose lichen species including Lecania erysibe, Catillaria lenticularis, Lecanora albescens, Strangospora moriformis, Trapelia placodioides and Caloplaca species. BLS conservation evaluation: NE NR The conidia are single-celled, subglobose to ellipsoid, rounded at the ends, 3-4.5 x 2.5-4 µm. Microscope photographs below. Similar: Intralichen christiansenii, larger conidia becoming 1-septate. Usually in apothecia of Caloplaca, Candelariella and Lecanora species

Microscope photographs




Intralichen lichenum
On Lecania, Pamphill, Dorset. December 2015