Pantospora
Pantospora Cif., Annls mycol. 36(2/3): 242 (1938).
Index Fungorum number: IF 9201; Facesoffungi number: FoF 08533, 2 morphological species (Species Fungorum 2022), 2 species with molecular data.
Foliicolous hyphomycetes, associated with leaf spots. Sexual morph: Unknown. Asexual morph: Mycelium internal; hyphae hyaline or almost so. Stromata developed, pigmented. Conidiophores macronematous, in dense coremioid fascicles or synnemata, septate, pigmented, thin-walled, smooth. Conidiogenous cells integrated, terminal, proliferation sympodial and percurrent, with planate to slightly convex, neither thickened nor darkened loci (pseudocercospora-like). Conidia formed singly, shape variable, ellipsoid-ovoid, fusiform, clavate to obclavate, didymo- to scolecosporous, with 1–11 transverse eusepta and often a single or few oblique to longitudinal septa, hila neither thickened nor darkened (adapted from Videira et al. 2017).
Type species: Pantospora guazumae Cif.
Notes: Pantospora is characterised by pigmented stromata, macronematous conidiophores, integrated, terminal conidiogenous cells and clavate to obclavate, didymo- to scolecosporous conidia (Crous and Braun 2003). Crous and Braun (2003) synonymized Pantospora with Pseudocercospora. Minnis et al. (2011) re-established the phylogenetic position of Pantospora within the Mycosphaerellaceae based on the ITS and LSU sequences of an epitype culture of the type species Pantospora guazumae. Videira et al. (2017) reported that Pantospora is closely related to Paracercospora. Pantospora is a distinct and well-supported lineage in Mycosphaerellaceae. Molecular markers available for Pantospora include ITS, LSU, Actin, Histone, RPB2 and TEF-1.
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