basidia_shape_tapering
tapering
sterigmata gradually tapering, up to 10 × 1.5-2 μm; involucres well-developed, often totally covering basidial cells (except sterigmata); basidia in mature specimens embedded in gelatinous matrix and glued together in large groups
Basidiodendron cinerellum
Basidiodendron cinerellum