Morphology of Dendrostoma donglinensis from Quercus mongolica (CF 2019903). A–E Habit of conidiomata on twig F transverse section of conidioma G longitudinal section through conidioma H conidiophores and conidiogenous cells I conidia J colonies on PDA at 3 days (left) and 30 days (right). Scale bars: 1mm (A); 500 μm (B–G); 10 μm (H, I).