Melanconis marginalis subsp. tirolensis. Sexual morph a, b pseudostromata with ectostromatic discs c conical ostioles d vertical section showing central column and two perithecia e ectostromatic disc with subglobose ostiolar tips f cross section showing central column, marginal ostioles and upper parts of perithecia g–j asci (compressed in j) k–p ascospores; i, j, o, p in aqueous Congo Red a, c, k–p holotype BPI 872035 b, d–j isotype WU 31892. Scale bars: 500 µm (a, b, d, f), 150 µm (c), 300 µm (e), 10 µm (g–p).