Tamaricicola
Tamaricicola Thambug., Camporesi & K.D. Hyde, in Thambugala et al., Fungal Diversity: 10.1007/s13225-016-0371-z, [19] (2016).
Index Fungorum number: IF 552087; Facesoffungi number: FoF 02153, 1 morphological species (Species Fungorum 2022), 1 species with molecular data.
Saprobic on dead herbaceous stems and branches. Sexual morph: Ascomata immersed to partially erumpent, solitary or scattered to gregarious, black, coriaceous, ostiolate. Peridium comprising several layers, outer layers heavily pigmented, thick-walled, comprising blackish to dark brown cells of textura angularis, inner layers composed of lightly pigmented to hyaline, thin-walled cells of textura angularis. Hamathecium composed of septate, branched or not, cellular pseudoparaphyses. Asci (4–)–8 spored, bitunicate, fissitunicate, cylindrical to cylindric-clavate, pedicellate, apically rounded, with a distinct ocular chamber. Ascospores uni- to biseriate, ellipsoidal, muriform, transversely 3-septate, with 1–3 vertical septa, yellowish brown at maturity, smooth-walled, without a mucilaginous sheath. Asexual morph: Coelomycetous. Conidiomata pycnidial, immersed, dark brown to black, subglobose, ostiolate. Conidiomata wall comprising few layers of dark brown to hyaline cells of textura angularis. Conidiophores reduced to conidiogenous cells. Conidiogenous cells phialidic, hyaline, smooth, ampulliform. Conidia ellipsoidal or short-cylindrical, hyaline, rounded at both ends, 1-celled, smooth-walled (adapted from Thambugala et al. 2016).
Type species: Tamaricicola muriformis Thambug., Camporesi & K.D. Hyde
Notes: Tamaricicola is characterised by immersed to partially erumpent, black ascomata, 4–8-spored, bitunicate, fissitunicate, cylindrical to cylindric-clavate asci and muriform, transversely 3-septate, with 1–3 vertical septa, yellowish brown ascospores. Tamaricicola resembles Pleospora in having immersed to partially erumpent ascomata, cylindrical asci, brown or pale brown, muriform ascospores and a coelomycetous asexual morph (Ariyawansa et al. 2015, Thambugala et al. 2016). Tamaricicola differs from Pleospora in having immersed ascomata, transversely 3-septate ascospores without a mucilaginous sheath and a phoma-like coelomycetous asexual morph. Tamaricicola is morphologically and phylogenetically a distinct genus in Pleosporaceae. Molecular markers available for Tamaricicola are ITS, LSU, SSU, BTUB, RPB2 and TEF-1.
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