Scutellinia umbrorum

Scutellinia umbrorum (Fuckel) Lambotte Differing from S. scutellata in its large size (up to 1.5cm), shorter, less conspicuous hairs (0.6mm long) and larger spores (20–22×14–15¼); the spore ornament is much coarser than that of S. scutellata (below). The habitat and season of both species are similar. Occasional.