To deal with a heterogeneous assemblage of species under Sporidesmium, Subramanian reassessed the genus and introduced seven new genera, namely, Acarocybellina, Ellisembia, Gangliophora, Hemicorynesporella, Penzigomyces, Repetophragma and Stanjehughesia, to accommodate some species on the basis of conidial septation (euseptate vs. According to the broad circumscription, more than 400 Sporidesmium species were introduced, mostly based on morphology alone. Ellis retrieved and redescribed the genus as having unbranched conidiophores integrated, terminal, monoblastic, determinate or percurrent conidiogenous cells and acrogenous, solitary, transversely septate or distoseptate conidia. Sporidesmium was established by Link in the early 1800s, with S. In previous studies, sporidesmium-like hyphomycetes were commonly found on submerged wood in streams. Freshwater fungi have been reported in the Chytridiomycota, Zygomycota, Ascomycota and Basidiomycota, and their asexual morphs are the most widely distributed groups in fresh water.
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