Dendrostoma istriacum (WU 37032 = D122). a–y Sexual morph a–c ectostromatic discs and ostioles d pseudostroma in cross section e peridium in cross section f–j, o–y ascospores k–n asci z–h1 asexual morph z conidioma in vertical section a1 upper part of conidioma showing covering layer, upper part of central column and fertile layers with opening at the upper right side b1 peripheral fertile chamber in vertical section c1 conidia attached to phialides d1–e1 phialides f1–h1 conidia; e, c1–h1 In 3% KOH. Scale bars: 150 µm (a–c, z), 300 µm (d), 100 µm (b1), 50 µm (a1), 10 µm (e–y, c1–e1), 5 µm (f1–h1).