Pseudochaetosphaeronema xishuangbannaensis (ZHKU 23–0107, holotype) a–c appearance of ascomata on host substrate d section of an ascoma e peridium f pesudoparaphyses g–j asci m–t ascospores u ascospore stained with Indian ink k, l colonies on PDA (k-front and l-reverse view). Scale bars: 200 µm (d); 100 µm (e); 50 µm (f–j); 10 µm (m–t); 20 µm (u).