Micromorphology of Xylodon filicinus (MSK-F 12369, holotype): A vertical section through basidioma B subicular hyphae C inflations on hyphae in lower subhymenium D crystals from subiculum E portions of hymenium and subhymenium F bundle of encrusted projecting hyphae G separate projecting hyphae H subcylindrical cystidia J capitate cystidia K hyphoid cystidium L basidioles M basidia N basidiospores. Scale bars: 100 μm (A); 10 μm (B–M); 5 μm (N).