Parastenella
Parastenella J.C. David, Mycol. Res. 95(1): 124 (1991).
Index Fungorum number: IF 25569; Facesoffungi number: FoF 08636, 3 morphological species (Species Fungorum 2022), 2 species with molecular data.
Dematiaceous hyphomycete genus resembling Zasmidium. Sexual morph: Unknown. Asexual morph: in vivo with superficial mycelium, hyphae, conidiophores and solitary conidia pigmented, distinctly verruculose to verrucose, but the conidiogenous cells are terminal and intercalary, denticulate, with lateral short peg-like protuberances, conidiogenous loci inconspicuous, neither thickened nor darkened (adapted from Braun et al. 2013; Videira et al. 2017).
Type species: Parastenella magnoliae (Weedon) J.C. David.
Notes: Parastenella is characterised by superficial mycelium, terminal and intercalary conidiogenous cells and inconspicuous, neither thickened nor darkened conidiogenous loci. The placement of Parastenella in Mycosphaerellaceae is doubtful. More taxa with DNA sequence data are needed to confirm the taxonomic position of the genus. Molecular markers available for Parastenella are LSU, SSU, 16S, COI, COX1, mtMutS, MutS and NADH dehydrogenase.
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