Mycosphaerellales » Mycosphaerellaceae


Xenosonderhenioides Videira & Crous, in Videira et al., Stud. Mycol. 87: 368 (2017).

 Index Fungorum number: IF 822706; Facesoffungi number: FoF 08573, 1 morphological species (Species Fungorum 2022), 1 species with molecular data.

Saprobic on Eucalyptus sp. Sexual morph: Unknown. Asexual morph: Mycelium comprise hyaline to pale brown hyphae, smooth, septate, branching. Conidiophores micro to macronematous, sub hyaline to pale brown, smooth to rough, simple, sometimes branched, straight to sinuous. Conidiogenous cells integrated, terminal or intercalary, hyaline to pale brown, proliferating sympodially, polyblastic, with rim-like conidiogenous loci, slightly thickened and darkened. Conidia solitary, rarely catenate in a single chain, hyaline to sub hyaline, smooth, oblong, cylindrical to obclavate, straight, base medium-long obconically truncate, apex rounded, aseptate or eu- or distoseptate hila thickened and darkened and protruding at the base or at both ends when catenate (adapted from Videira et al. 2017).

Type species: Xenosonderhenioides indonesiana C. Nakash., Videira & Crous

Notes: Xenosonderhenioides is unique in producing dimorphic conidia in culture. Xenosonderhenioides is a well-supported genus in Mycosphaerellaceae. Molecular markers available for Xenosonderhenioides includes ITS, LSU and RPB2.


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