Pleosporales » Coniothyriaceae


Ochrocladosporium Crous & U. Braun, in Crous et al., Mycol. 58: 46 (2007).

Index Fungorum number: IF 504437; Facesoffungi number: FoF 08175, 3 morphological species (Species Fungorum 2022), 3 species with molecular data.  

         Saprobic on wood pulp. Sexual morph: Unknown. Asexual morph: Mycelium composed of branched, septate, filamentous, hyaline to pale brown, smooth hyphae. Conidiophores semi- macronematous, arising laterally on prostrate hyphae, erect, often reduced to peg-like conidiogenous cells, pale brown, smooth, subcylindrical. Conidia occurring in branched chains, fusiform, ellipsoid-ovoid to subcylindrical, 0(–1)- septate. Ramoconidia present, pale brown, thin-walled, smooth to finely verruculose, attenuated at ends, with obconically truncate to almost pointed, neither thickened nor darkened-refractive hila (adapted from Crous et al. 2007).


Type species: Ochrocladosporium elatum (Harz) Crous & U. Braun


Notes: Ochrocladosporium is characterised by dimorphic conidiophores, fusiform, ellipsoid-ovoid to subcylindrical, 0(–1)- septate conidia and pale brown, thin-walled, smooth to finely verruculose ramoconidia. Ochrocladosporium can be differentiated from Cladosporium s. str. based on DNA sequence data. Phylogenetically, Ochrocladosporium is a distinct and stable lineage within Coniothyriaceae. Molecular markers available for Ochrocladosporium are ITS, LSU and RPB2.


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