Pleosporales » Melanommataceae

Pseudostrickeria

Pseudostrickeria Q. Tian, Wanas., Camporesi & K.D. Hyde, in Tian et al., Fungal Diversity: 10.1007/s13225-015-0350-9, [40] (2015).

 Index Fungorum number: IF 551598; Facesoffungi number: FoF 01032, 3 morphological species (Species Fungorum 2022), 3 species with molecular data.

Saprobic on dead herbaceous hosts in terrestrial habitats. Sexual morph: Ascomata semi-immersed to erumpent, solitary, scattered, broadly oblong, globose to subglobose, dark brown to black, coriaceous, ostiolate. Ostiole single, central, slot-like, with ostiolar canal filled with hyaline cells. Peridium thick, 2-layered at the sides and at base, outer layer comprising heavily pigmented, brown to black, thick-walled cells of textura angularis; inner layer composed of hyaline, thin-walled cells of textura prismatica; single layer of melanized, occluded cells at apex. Hamathecium lacking pseudoparaphyses. Asci 8-spored, bitunicate, fissitunicate, cylindrical to cylindric-clavate, short or bulbous pedicellate, apically rounded, with a minute ocular chamber. Ascospores 1–2-seriate, initially hyaline, becoming brown at maturity, muriform, mostly ellipsoidal, 3–6 transversely septate, with 1–4 longitudinal septa, narrowly rounded at both ends, without a mucilaginous sheath, smooth-walled. Asexual morph: Unknown (adapted from Tian et al. 2015).

Type species: Pseudostrickeria muriformis Wanas., Q. Tian, Camporesi & K.D. Hyde

Notes: Pseudostrickeria resembles Gemmamyces, Melanocucurbitaria, Muriformistrickeria and Praetumpfia in having muriform ascospore. Pseudostrickeria is distinct from these genera in not having pseudoparaphyses (Tian et al. 2015, Wanasinghe et al. 2018). Molecular markers available for Pseudostrickeria are ITS, LSU, SSU, TEF-1 and RPB2.

 

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