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The authors describe ten new taxa for science using mostly both morphological and molecular data. In Basidiomycota, descriptions are provided for Botryobasidium fusisporum sp. nov., B. triangulosporum sp. nov., Cantharellus hydnoides sp. nov. and Hydnum aerostatisporum sp. nov. in Cantharellales; Lactarius rahjamalensis sp. nov. and Russula pseudoaurantiophylla sp. nov. in Russulales and for Mycena paraguayensis comb. nov. in Agaricales. In Ascomycota and hyphomycetes, descriptions are provided for Colletotrichum eryngiicola sp. nov. (Glomerellales), Corynesporella indica sp. nov. (incertae sedis) and Repetophragma zygopetali sp. nov. (Microthyriales).