Coniosporium
Coniosporium Link, Mag. Gesell. naturf. Freunde, Berlin 3(1-2): 8 (1809).
Index Fungorum number: IF 7755; Facesoffungi number: FoF 11919, 64 morphological species (Species Fungorum 2022), 2 species with molecular data.
Saprobic or pathogenic on host. Sexual morph: Unknown. Asexual morph: Conidiomata sporodochial, pulvinate, punctiform, olivaceous to black. Mycelium immersed. Conidiophores arising from a stroma, macronematous straight to flexuous, densely aggregated, straight to flexuous, unbranched, smooth, rugulose to verruculose. Conidiogenous cells integrated, terminal, subcylindrical, fragmenting. Conidia catenate, schizogenous, dry, ellipsoid, oblong, obovoid, pyriform to subspherical, pale to dark brown, muriformly septate, smooth to verruculose (adapted from Ellis 1971, Haridas et al. 2020).
Type species: Coniosporium olivaceum Link
Notes: Coniosporium is characterised by sporodochial, pulvinate, punctiform, olivaceous to black conidiomata, straight to flexuous macronematous conidiophores, terminal, subcylindrical conidiogenous cells and catenate, schizogenous, dry, ellipsoid, oblong, obovoid, pyriform to subspherical, pale to dark brown, muriformly septate conidia. Several authors added new species to Coniosporium (Saccardo 1884, Spegazzini 1910, Gaja 1911, Dearness & Foster 1938, Ellis 1971, Turian 1977). Haridas et al. (2020) pointed out that Coniosporium is polyphyletic. Haridas et al. (2020) introduced Coniosporiaceae to accommodate Coniosporium based on phylogenetic analysis. The type species C. olivaceum lacks sequence data and must be re-collected for epitypification. Coniosporium is a distinct and type genus of Coniosporiaceae. Molecular markers available for Coniosporium include ITS, LSU, SSU, Calmodulin, Histone and RPB2.
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