Multiseptospora
Multiseptospora Phook. & K.D. Hyde, in Liu et al., Fungal Diversity: 10.1007/s13225-015-0324-y, [156] (2015).
Index Fungorum number: IF 550928; Facesoffungi number: FoF 00430, 2 morphological species (Species Fungorum 2022), 2 species with molecular data.
Saprobic on Poaceae. Sexual morph: Ascomata solitary to gregarious, immersed, uniloculate, globose to subglobose, setose, ostiole central, with pore-like opening. Peridium thick-walled, of unequal thickness, thick at the base, composed of black, pseudoparenchymatous cells, textura angularis to textura prismatica. Hamathecium composed of dense, narrow, cellular pseudoparaphyses. Asci 8-spored, bitunicate, fissitunicate, broadly cylindrical, subsessile, apically rounded with indistinct ocular chamber. Ascospores overlapping 2–3-seriate, fusiform to vermiform, with acute ends, hyaline to pale brown when young, becoming brown when mature, 10–11-septate, slightly curved, slightly constricted at the septum, smooth-walled, surrounded by distinct mucilaginous sheath. Asexual morph: Unknown (adapted from Liu et al. 2015).
Type species: Multiseptospora thailandica Phookamsak & K.D. Hyde
Notes: Multiseptospora was introduced to accommodate a fungus associated with Thysanolaena maxima. Multiseptospora resembles Falciformispora in its ascospore features, but differs with regard to their ascomata and ecology (Zhang et al. 2012a, b). Multiseptospora is characterised by setose ascomata with pore-like openings, engrossed in the host, while Falciformispora forms epapillate, glabrous, coriaceous, erumpent to superficial, ascomata (Zhang et al. 2012a, b). Multiseptospora has been placed in Pleosporales, genera incertae sedis by Liu et al. (2015). Tanaka et al. (2015) accommodated Multiseptospora in Parabambusicolaceae. A second species, M. thysanolaenae Phookamsak, Ariyawansa & K.D. Hyde was described by Li et al. (2016) from the same host. Molecular markers available for Multiseptospora are ITS, LSU, SSU, RPB2 and TEF-1.
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