Vagicola
Vagicola Chethana & K.D. Hyde, in Ariyawansa et al., Fungal Diversity 75: 113 (2015).
Index Fungorum number: IF 551346; Facesoffungi number: FoF 00908, 2 morphological species (Species Fungorum 2022), 2 species with molecular data.
Saprobic on grass stems. Sexual morph: Ascomata scattered, immersed, mostly subepidermal, broadly ellipsoidal to globose, smooth-walled. Papilla central, terete, flush to papillate, intraepidermal, composed of brown polygonal cells around ostiole, lacking periphyses. Peridium surface composed of cells of textura angularis, lateral layers uniform, thick, composed of brown cells of textura prismatica. Hamathecium composed of numerous, 1–3 μm wide, pseudoparaphyses, with thin septa, and with slime coating. Asci 8-spored, bitunicate, fissitunicate, cylindrical, pedicellate. Ascospores overlapping biseriate, yellowish brown, with L/W greater than or equal to 3, narrowly fusiform, enlarged at the third cell from the apex, multi-septate, straight or slightly curved, slightly constricted at the first septum, not constricted at other septa, with a prominent sheath. Asexual morph: Unknown (adapted from Ariyawansa et al. 2015).
Type species: Vagicola vagans (Niessl) O. Erikss., Chethana & K.D. Hyde
Notes: In the phylogenetic analyses of Zhang et al. (2012), Hyde et al. (2013), Phookamsak et al. (2014) and Ariyawansa et al. (2015), the strain P. vagans (CBS 604.86) clustered distantly from Phaeosphaeria s. str.. Chethana et al. in Ariyawansa et al. (2015) raised Vagicola to generic rank and designated the new combination V. vagans. Jayasiri et al. (2015) added the second and third species V. chlamydospora and V. dactylidis. Thambugala et al. (2017) transferred V. chlamydospora to Septoriella based on phylogenetic analysis and introduced the holomorph species, V. arundinis collected from Arundo plinii in Europe (Italy). Marin-Felix et al. (2019) synonymized Vagicola under Septoriella and transferred members of Vagicola to Septoriella. In the phylogenetic analysis of Hongsanan et al. (2020a), taxa in Septoriella clustered with several lineages in Phaeosphaeriaceae, hence, they reinstated the genus. Vagicola is currently considered a distinct genus in Phaeosphaeriaceae. The taxonomic placement of Vagicola and its phylogenetic affinities with other genera is still problematic. More collections of Vagicola are required to verify the status of the genus. Molecular markers available for Vagicola are ITS, LSU, SSU and TEF-1.
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