Superstratomyces
Superstratomyces van Nieuwenh., Miądl. & Samson, in van Nieuwenhuijzen et al., Stud. Mycol. 85: 115 (2016).
Index Fungorum number: IF 819162; Facesoffungi number: FoF 08778, 4 morphological species (Species Fungorum 2022), 4 species with molecular data.
Saprobic on oil treated wood or darkened surface of a wall. Sexual morph: Unknown. Asexual morph: Coelomycetous. Colonies olive to grey-green or light grey green with thin white edge; reverse dark green or dark green with thin white edge; knotted cone-shaped. Hyphae hyaline to brown, smooth- and thin- to thick-walled, septate. Conidiomata pycnidial, superficial, solitary or confluent, brown to black, glabrous, globose, filled by a white mass of slimy conidia; pycnidial wall pseudoparenchymatous, of textura angularis cells, composed of several layers of pale brown to brown, flattened cells. Setae erect to recurved, hyaline to sub hyaline at apex and turning brown towards the base, 1–2-septate, strongly verrucose to tuberculate. Conidiophores branched, hyaline, smooth-walled, bearing lateral conidiogenous cells. Conidiogenous cells phialidic, hyaline, cylindrical to barrel shaped or ampulliform, smooth-walled, solitary or laterally disposed on the conidiophores. Conidia cylindrical to navicular, hyaline, aseptate, smooth- and thin-walled, guttulate (adapted from van Nieuwenhuijzen et al. 2016).
Type species: Superstratomyces albomucosus van Nieuwenhuijzen & Samson
Notes: Superstratomyces is characterised by brown or black pycnidia which form in culture, phialidic conidiogenous cells and hyaline conidia. Superstratomyces lacks a definite morphology and cannot be identified based on morphological features. Superstratomyces can be differentiated from similar genera based on DNA sequence data. Molecular markers available for Superstratomyces are ITS, LSU, SSU, RPB2 and TEF-1.
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