Xanthoriicola
Xanthoriicola D. Hawksw., in Hawksworth & Punithalingam, Trans. Br. mycol. Soc. 61(1): 66 (1973).
Index Fungorum number: IF 809; Facesoffungi number: FoF 06944, 1 morphological species (Species Fungorum 2022), 1 species with molecular data.
Lichenicolous. Sexual morph: Unknown. Asexual morph: Stromata, setae and hyphopodia absent. Conidiophores semi-macronematous, densely aggregated, mononematous, erect, branched, irregularly penicillate, short, smooth, brown. Conidiogenous cells monophialidic, terminal, determinate, oblong to ampulliform, with a short apical collarette, brown. Conidia produced singly, dry, globose, simple, with a minutely echinate walls, olivaceous brown to brown (adapted from Hawksworth and Punithalingam 1973).
Type species: Xanthoriicola physciae (Kalchbr.) D. Hawksw.
Notes: Xanthoriicola is characterised by semi-macronematous, densely aggregated, irregularly penicillate conidiophores, and dry, globose, simple, olivaceous brown to brown conidia. Ruibal et al. (2011) confirmed the taxonomic placement of Xanthoriicola in Teratosphaeriaceae based on phylogenetic analyses. Xanthoriicola is morphologically and phylogenetically a well-defined genus in Teratosphaeriaceae. Molecular markers available for Xanthoriicola are LSU and mtSSU.
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