Cytospora ceratospermopsis on Castanea mollissima (BJFC-S1699, BJFC-S1700). A, C Habit of conidiomata on branches B habit of ascomata on branches D transverse section of conidiomata E transverse section of ascomata F longitudinal section through conidiomata G longitudinal section through ascomata H, I asci J ascospores K conidiogenous cells with attached conidia L conidia. Scale bars: 500 μm (C–G), 10 μm (H–L).