Endotryblidium
Endotryblidium Petr., Sydowia 13 (1–6): 244 (1959).
Index Fungorum number: IF 1812; Facesoffungi number: FoF 00347, 1 morphological species (Species Fungorum 2022), no molecular data available.
Saprobic on bark of dead branches of hickory in terrestrial habitats. Sexual morph: Ascomata apothecial, scattered, solitary, immersed, erumpent, irregular, pseudoparenchymatous, black. Exciple with carbonaceous, dark brown to black, pseudoparenchymatous cells. Hamathecium composed of cylindrical, elongated, branched, hyaline, septate, pseudoparaphyses, slightly swollen at the apex, embedded in gelatinous matrix, anastomosing to form a black epithecium above the asci. Asci 8-spored, bitunicate, broadly clavate, with a short pedicel at the base, slightly narrow at the apex, with a distinct ocular chamber. Ascospores overlapping and irregular arranged, broadly ellipsoid to oblong, broader at the upper part, asymmetricallyuniseptate, constricted at the septa, rounded at the ends, light brown to brown, surrounded by a mucilaginous sheath. Asexual morph: Unknown (adapted from Yacharoen et al. 2015).
Type species: Endotryblidium insculptum (Cooke) Petr.
Notes: Endotryblidium is characterised by apothecial, scattered ascomata, broadly clavate asci, with a short pedicel and broadly ellipsoid to oblong ascospores. Yacharoen et al. (2015) examined the holotype specimen of E. insculptum (K(M) 2111) and placed Endotryblidium in Patellariaceae based on the morphology of hypothecium with slightly broad pseudoparaphyses and mostly 8-spored, bitunicate asci. Molecular data is lacking for Endotryblidium hence, fresh collections and DNA sequence data is needed to confirm the taxonomic placement of Endotryblidium.
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