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1 species
Suillosporium is a small genus of corticioid fungi traditionally placed within the Botryobasidiaceae, though its exact phylogenetic position has occasionally been debated (sometimes linked to Trechisporales). It was established to accommodate species that resemble Botryobasidium in their thin, hypochnoid basidiocarps and broad hyphae but differ significantly in cystidial morphology and spore characteristics. The genus is less common than Botryobasidium; the only species confirmed in current databases is S. cystidiatum, a wood-inhabiting fungus.
Distinguished by a monomitic hyphal system with clamped hyphae and the presence of distinctive, large, multi-septate (nodose-septate) cystidia that are often encrusted. The basidia are small, obconical to subclavate, typically bearing 4 sterigmata. Spores are fusiform (spindle-shaped) to navicular, smooth, and non-amyloid. Unlike Botryobasidium, the basidia do not typically form the characteristic 'botryose' clusters.
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