Septoriella
Septoriella Oudem., Ned. kruidk. Archf, 2 sér. 5: 52 [repr.] (1889).
Index Fungorum number: IF 9895; Facesoffungi number: FoF 00304, 46 morphological species (Species Fungorum, 2022), 22 species with molecular data.
Saprobic or pathogenic on host. Asexual morph: Conidiomata pycnidial, immersed, globose to subglobose, unilocular, dark-brown, with central, circular ostiole, wall of brown textura angularis, inner layers becoming hyaline. Conidiophores lining the inner cavity, reduced to conidiogenous cells, invested in mucus. Conidiogenous cells ampulliform to lageniform, hyaline, smooth, proliferating via inconcpicuos percurrent proliferations near apex. Conidia fusiform to subcylindrical, apex obtuse to subobtuse, base truncate, straight or curved, euseptate, pale brown, thin-walled, smooth or minutely verruculose, bearing mucoid appendages at both ends. Sexual morph: Unknown (Adapted from Crous et al., 2015).
Type species: Septoriella phragmitis Oudem.
Notes: Septoriella was introduced by Oudemans (1889) with Septoriella phragmitis as type species. Septoriella is characterized by pycnidial, immersed, globose to subglobose, unilocular, dark-brown conidiomata, ampulliform to lageniform conidiogenous cells, fusiform to subcylindrical, apex obtuse to subobtuse conidia. Crous et al. (2014) added the new species Septoriella oudemansii based on LSU sequence data. Crous et al. (2015) confirmed the placement of Septoriella in Phaeosphaeriaceae and synonymized Wojnowicia under Septoriella. Several authors added new species to Septoriella (Kohlmeyer & Volkmeyer Kohlmeyer, 2000; Lee & Crous, 2003; Taylor & Hyde, 2003; Andrian & Minter, 2007; Crous et al., 2014; Crous et al., 2015; Thambugala et al., 2017; Marin-Felix et al., 2019 and Hyde et al., 2020). Molecular data is lacking for the type species of Septoriella. Septoriella is a distinct genus in Phaeosphaeriaceae but fresh collections of the genus are needed for epitypification. Molecular data available for Septoriella include LSU, SSU, ITS, RPB2, BTUB and TEF1.
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