Polyporus squamosus

It is parasitic on deciduous trees, especially elm, beech and sycamore, causing intensive white rot. It grows from spring to summer, annual. Bracket is 5–60 cm across, 0.5–5 cm thick, initially circular or fan-shaped, ochraceous- cream covered in concentric dark brown fibrillose scales. Stem is 30–100 × 20–60 mm, lateral or occasionally off-centre, blackish towards the base. Flesh is 1–3 cm thick, succulent when fresh, drying corky, white. It smells strongly of meat. Tubes are 5–10 mm long, decurrent down the stem, white to creamy. Pores are 1–3 × 0.5–1.5 mm, irregular and angular, whitish to ochraceous-cream. Spores are white, oblong-ellipsoid, 10–15 × 4–5 μm.