Pseudoroussoella
Pseudoroussoella Mapook & K.D. Hyde, Fungal Divers 101: 88 (2020).
Index Fungorum number: IF 557351; Facesoffungi number: FoF 07818, 2 morphological species (Mapook et al. 2020), 2 species with molecular data.
Saprobic on twigs forming spots. Sexual morph: Ascostromata superficial, scattered, solitary or gregarious, carbonaceous, semi-immersed to erumpent, black, globose to oval, multi-loculate, locules arrange in two layers in the outer layer of the ascostromata, one ascus in each locule, ostiolate. Ostioles minute. Paraphyses absent. Cells of the ascostromata comprised thick-walled textura angularis. Asci 8-spored, bitunicate, fissitunicate, globose, apedicellate, apically rounded with indistinct ocular chamber. Ascospores hyaline, oblong to oval, 1–4- transverse septa, longitudinal septa absent, constricted at the septa, smooth-walled, lacking a sheath. Asexual morph: Unknown (adapted from Mapook et al. 2020).
Type species: Pseudoroussoella elaeicola (Konta & K.D. Hyde) Mapook & K.D. Hyde
Notes: Pseudoroussoella was introduced by Mapook et al. (2020) with P. elaeicola as type species. Pseudoroussoella is characterised by semi-immersed to superficial, globose to obpyriform, uniloculate, papillate conidiomata, holoblastic, ampulliform to oblong, hyaline, unbranched conidiogenous cells and oblong to oval, pale brown to yellowish brown, or reddish brown, aseptate, veruculose conidia. Pseudoroussoella has coniothyrium-like asexual morph. Molecular markers available for Pseudoroussoella are ITS, LSU, SSU, RPB2 and TEF-1.
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