Morphology of Sticta flakusiorum (holotype) A upper surface B lower surface C, D hirsute upper surface with apothecium and lower surface with tomentum and cyphellae E apothecia with entire to crenate margins, covered by white hairs F primary tomentum spongy to fasciculate and cyphellae with scabrid basal membrane. Scale bars: 1 mm (A–F).