Acrocalymma chuxiongense (IFRD9449). a–d Ascomata on living leaves of Quercus sp.; e Vertical sections through a ascoma; f–h Asci; i Ocular chamber; j Pedicel; k–n Ascospores. Scale bars: b = 2000 µm, c = 1000 µm, d = 500 µm, e–h = 50 µm, i–n = 25 µm.