Micromorphology of Xylodon follis (FR-0249814, holotype): A vertical section through basidioma B subicular hyphae C vertical section through aculeus D lower and apical part of aculeal hyphae with adventitious septa E encrusted aculeal hyphae in water F partially dissolved crystals on aculeal hyphae in 3% KOHG capitate cystidia H portion of hymenium J vesicular basidiole K capitate encrusted cystidia and their detached resinous caps L basidia and basidiospores M basidiospores in 3% KOHN basidiospores in water O basidiospores in CBL. Scale bars: 100 μm (A); 10 μm (B–N).