Coryneum songshanense from Quercus dentata (BJFC-S1722, holotype) A, B Fruiting bodies on natural substrate in surface view C pseudostroma in transverse section, showing perithecia and gray entostroma D longitudinal sections through pseudostromata E, F immature asci G, H immaure Ascospores I, J conidiophores K–M conidia. Scale bars: 1 mm (A, B); 0.5 mm (C, D); 10 μm (E–M).