Setoapiospora
Setoapiospora Mapook & K.D. Hyde, in Hyde et al., Fungal Diversity 100: 5–277 (2020).
Index Fungorum number: IF 556905; Facesoffungi number: FoF 06793, 1 morphological species (Species Fungorum 2022), 1 species with molecular data.
Saprobic on dead branches of wood. Sexual morph: Ascomata superficial to semi-immersed, solitary or scattered, carbonaceous, appearing as dark brown to black spots, with a poorly developed basal layer and an irregular margin. Ostiole central, with external dark brown setae. Peridium comprising dark brown cells of textura epidermoidea. Hamathecium with cylindrical to filiform, septate, pseudoparaphyses. Asci 8-spored, bitunicate, cylindrical, pedicellate, straight or slightly curved, with an ocular chamber. Ascospores 1-seriate, ellipsoid to broadly fusiform, hyaline, uniseptate, constricted at the septum, with a small lower cell and a large upper cell, widest at the centre and tapering towards the ends, with granular appearance. Asexual morph: Unknown (adapted from Mapook et al. 2020).
Type species: Setoapiospora thailandica Mapook & K.D. Hyde
Notes: Setoapiospora is characterised by superficial to semi-immersed, carbonaceous ascomata, peridium of dark brown cells of textura epidermoidea, cylindrical, pedicellate, straight or slightly curved asci and ellipsoid to broadly fusiform, hyaline, uniseptate ascospores. Setoapiospora is phylogenetically closely related to Arxiella. Setoapiospora is a sexual morph genus while Arxiella is an asexual morph genus hence, these two genera cannot be morphologically compared. Setoapiospora is a distinct and well-defined genus in Muyocopronaceae. Molecular markers available for Setoapiospora are ITS, LSU, SSU and TEF-1.
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