Pleosporales » Lophiostomataceae

Pseudocapulatispora

Pseudocapulatispora Mapook & K.D. Hyde, in Mapook et al., Fungal Diversity 101: 47 (2020).

Index Fungorum number: IF 557285; Facesoffungi number: FoF 07796, 2 morphological species (Species Fungorum 2022), 2 species with molecular data.

Saprobic on dead stems. Sexual morph: Ascomata immersed, coriaceous, solitary or scattered, ovoid, light brown to brown. Ostiole long neck, carbonaceous, papillate, crest-like, elongated and laterally compressed, with hyaline periphyses. Peridium comprising several layers, outer layers comprising light brown to brown cells of textura prismatica, inner layers comprising pale brown to hyaline cells of textura angularis. Hamathecium comprising cylindrical to fliform, septate, branching pseudoparaphyses. Asci 8-spored, bitunicate, fissitunicate, cylindric-clavate, with a short pedicel, apically rounded, with an ocular chamber. Ascospores overlapping, 1–2-seriate, hyaline, broadly fusiform, uniseptate, with a narrow sheath drawn out to form appendages at each end of ascospores. Asexual morph: Unknown (adapted from Mapook et al. 2020).

 Type species: Pseudocapulatispora longiappendiculata Mapook & K.D. Hyde

Notes: Pseudocapulatispora is characterised by immersed, coriaceous, solitary or scattered, ovoid, light brown to brown ascomata, fissitunicate, cylindric-clavate asci and broadly fusiform, uniseptate ascospores. Pseudocapulatispora differs from other genera in Lophiostomataceae in having a long sheath drawn out to form polar appendages from each end of ascospores with tips of the sheath capped. Pseudocapulatispora is a distinct and well-defined genus in Lophiostomataceae. Molecular markers available for Pseudocapulatispora are LSU, ITS, SSU, RPB2 and TEF1.

 

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