Spongipellis spumeus (Sow. ex Fr.) Pat. syn. Polyporus spumeus Sow. ex Fr. Schwammiger Porling. Bracket 5–20(30)cm across, 3–10cm wide, 2–6cm thick, fan-shaped, usually single; upper surface felty, white to yellowish becoming ochraceous to olive-brown with age. Flesh whitish, in two distinct layers; the thin upper layer soft and spongy, the lower one much thicker, hard and fibrous. Taste not distinctive, smell sweet and heady, sometimes of anise. Tubes 5–15(20)mm long, whitish. Pores 2–5 per mm, more or less circular, cream. Spores white, broadly elliptic to subglobose, 6.5–9 x 5–7um. Habitat on deciduous trees. Season autumn. Rare. Not edible. Distribution, America and Europe.