Anastomitrabeculia
Anastomitrabeculia Bhunjun, Phukhams. & K.D. Hyde, in Bhunjun et al., Journal of Fungi 7 (2, no. 94): 12 (2021).
Index Fungorum number: IF 556560; Facesoffungi number: FoF 09522, 1 morphological species (Species Fungorum 2022), 1 species with molecular data.
Colonies on natural substrate umbonate at the centre, circular, black shiny dots are visible on the host surface. Sexual morph: Ascomata on surface of the host, immersed under a clypeus, gregarious, uniloculate, subglobose, carbonaceous. Ostiole orange pigment near ostiole. Peridium comprising multilayers of brown to hyaline cells of textura angularis, inner layers composed of thin, hyaline cells. Asci 8–spored, bitunicate, fissitunicate, broad cylindrical to cylindrical-clavate, with a bulbous pedicellate, rounded at the apex, with an ocular chamber. Ascospores biseriate, broadly fusiform, tapering towards the ends, hyaline, with guttules in each cell, constricted at the septa, with longitudinally striate wall ornamentation, surrounded by mucilaginous sheath. Asexual morph: Unknown (adapted from Bhunjun et al. 2021).
Type species: Anastomitrabeculia didymospora Bhunjun, Phukhams. & K.D. Hyde
Notes: Anastomitrabeculia is morphologically characterised by presence of carbonaceous ascomata, with orange pigment near ostiole and ascospores with longitudinally striate wall ornamentation. Anastomitrabeculia morphologically resembles species of Pleosporales in having perithecioid ascomata, bitunicate asci and hyaline ascospores. Anastomitrabeculia is a distinct and well-supported genus in Anastomitrabeculiaceae. Molecular markers available for Anastomitrabeculia are ITS, LSU, SSU, BTUB, TEF-1 and RPB2.
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