Sexual morph of Dematiomelanomma yunnanense (HKAS 124667) on decaying stalk of Rubus parvifolius L. a, b ascomata in face view c vertical section of the ascoma d pseudoparaphyses e an ascospore in Indian Ink to show a sheath f–h ascospores i–l Asci m germinating ascospore n, o surface and reverse of colony on PDA. Scale bars: 100 μm (c); 10 μm (d–h); 50 μm (i–l).