Morphological and anatomical features of old and new Micarea osloensis collections A, B old Micarea osloensis A habit, apothecia on soil (Holotype) B apothecial section in water (Palice 11684, H) C–E new Micarea osloensis (Kantelinen 2648, H) C mesopycnidia extruding mesoconidia as a white drop D apothecial section in water E mesopycnidia on dead wood and mosses. Scale bars: Habit 0.5 mm (A, C, E); Apothecial sections 100 µm (B, D).