Melanconis alni. Asexual morph a, b conidiomata in face view c conidioma in cross section d conidioma in vertical section e–i conidiophores and conidiogenous cells j–p α-conidia q–t β-conidia a, f WU 31885 = W.J. 148 b–d, h, m, q, s epitype WU 31884 = MAIV e, i PC0723596 g, j, k lectotype PC0723592 l, r WU 37043 = J.F. 10104 n, t PC0723595 o WU 31886 = W.J. 178 p M. atrum isotype K(M) 171588 e–o, q–t in 3% KOH. Scale bars: 300 µm (a–d), 10 µm (e), 7 µm (f–i), 5 µm (j–t).