Nigrograna coffeae (ZHKU 22-0121, holotype) a, b ascomata on the host substrate c a vertical section through an ascoma d peridium e hamathecium f–k asci l germinated ascospore m culture on pda from above and reverse n–s ascospores (arrows indicate the septa). Scale bars: 50 μm (c); 10 μm (d–l); 5 μm (n–s).