Pleophragmia
Pleophragmia Fuckel, Jb. Nassau. Ver. Naturk. 23– 24: 243 (1870).
Index Fungorum number: IF 4220; Facesoffungi number: FoF 06567, 4 morphological species (Species Fungorum 2022), no molecular data available.
Saprobic on host. Sexual morph: Ascomata small to medium-sized, gregarious, immersed to erumpent, globose to subglobose, black, coriaceous; apex with a short papilla, or sometimes forming an ostiolar pore. Peridium thin, composed of several layers of thin-walled cells of textura angularis. Hamathecium of dense, delicate pseudoparaphyses. Asci 8-spored, bitunicate, fissitunicate, clavate to cylindro-clavate, with a relatively long pedicel and an ocular chamber. Ascospores muriform, narrow oblong to cylindrical with rounded ends, dark brown, constricted at each septum. Asexual morph: Unknown (adapted from Zhang et al. 2012).
Type species: Pleophragmia leporum Fuckel
Notes: Pleophragmia is characterised by small to medium-sized, globose to subglobose ascomata, clavate to cylindro-clavate asci and muriform, narrow oblong to cylindrical ascospores. Pleophragmia resembles Sporormia in lacking germ slits in the ascospores and having an inner layer thinner than the outer layer (Barr 1990a, b). Pleophragmia differs from Sporormia in having muriform ascospores. Pleophragmia is unique and differs from similar genera in Sporormiaceae in having both transverse and longitudinal septa in the ascospores. Pleophragmia lacks molecular data and the taxonomic position is doubtful. Pleophragmia is currently a distinct genus in Sporormiaceae but fresh collections are needed to confirm this placement.
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