Stereum hirsutum (Wild ex Fr.) S. F. Gray. Gelber Schichtpilz Stereum hérissé, Hairy Curtain Crust. Fruit body occasionally resupinate but normally forming tough leathery brackets 3–10cm across, 1–4cm wide, often in tiered groups, margin wavy and lobed; upper surface zoned ochre to greyish, hairy. Fertile or lower side bright yellow, duller brownish or greyish with age, smooth. Spores white, ellipsoid, amyloid, 6–7.5 x 3–3.5um. Habitat on stumps, logs and fallen branches of deciduous trees. Season all year. Common. Not edible. Found In Europe.