Montagnula shangrilana (HKAS 126541, holotype) a ascomata on natural wood surface b vertical section through an ascoma c pseudoparaphyses d peridium cells e–h asci i–o ascospores (see verruculose feature of the ascospore in o). Scale bars: 100 μm (b); 10 μm (c, d, j–o); 20 μm (e–h).