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Wood-decay fungi have been mainly studied for their medicinal or nutraceutical properties, lignocellulolytic enzymes as well as their pathological role in plants. Recently they have also been recognized as a potential source of biocomposite materials due to the features of mycelial mats in several species. Chemical, physical-morphological and biological properties are affected by interspecific and intraspecific differences in composition of the cell wall regarding both major and minor constituents; thus, a preliminary characterization can optimize the strain selection for applied and research purposes. In the present study, 52 strains from 18 wood-decay fungal species were considered to build a general descriptive model based on the cell wall in the light of interspecific variability. Pure-cultured mycelia were dried and examined by thermogravimetric analysis (TGA) and Fourier transformed …