Paramassaria
Paramassaria Samarak. & K.D. Hyde, in Hyde et al., Fungal Diversity: 10.1007/s13225-019-00429-2, [45] (2019).
Index Fungorum number: IF 555521; Facesoffungi number: FoF 05213, 1 morphological species (Species Fungorum 2022), 1 species with molecular data.
Saprobic on branches. Sexual morph: Ascomata immersed or semi-immersed in a yellow stained host, solitary, scattered, coriaceous, globose to subglobose, brown to dark-brown. Ostiole central, raised, flattened around the dome-shaped ostiole, surrounded by blackish stromatic zone on the host, minutely papillate. Peridium wide around the ostiole, outer layer; thick-walled, reddish to dark brown cells of textura angularis, inner layer; thin-walled hyaline cells of textura angularis. Hamathecium comprising wide, hyaline, cylindrical to filiform, septate, branched pseudoparaphyses. Asci 8-spored, bitunicate, oblong to cylindrical, absence of prominent ocular chamber, shortly pedicellate. Ascospores overlapping 1–2-seriate, ellipsoid to broadly fusiform, initially hyaline, uniseptate becoming brown and 3-septate, constricted at the septum, surrounded by a hyaline gelatinous sheath at maturity. Asexual morph: Unknown (adapted from Hyde et al. 2019).
Type species: Paramassaria samaneae Samarak & K.D. Hyde
Notes: Paramassaria is characterised by immersed or semi-immersed ascomata, central, raised, flattened around the dome-shaped ostiole, oblong to cylindrical asci and ellipsoid to broadly fusiform, uniseptate becoming brown and 3-septate ascospores. Paramassaria resembles Massaria in having similar ascomata, asci and ascospore characters but differs in that the former has a wider ostiole and lacks an ocular chamber in the asci. Paramassaria is phylogenetically closely related to Rhytidhysteron and Gloniopsis which belongs to Hysteriaceae but can be differentiated based on DNA sequence data. Paramassaria also resembles Massarioramusculicola but can be differentiated based on a peridium with two layers of dark brown to hyaline cells of textura angularis, seldom branched, septate with trabeculate pseudoparaphyses and 3-septate hyaline ascospores. Samarakoon et al. in Hyde et al. (2019) placed Paramassaria in Massariaceae based on multigene analyses of LSU, SSU and TEF1-α. Paramassaria is a distinct and well-defined genus in Massariaceae. Molecular markers available for Paramassaria are LSU, SSU and TEF-1.
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