Beech Bracket
(White Cork Polypore)
Description
Fruit-body annual, bracket-like to semicircular saucer-shaped. Cap 10-20 x 5-15 cm, 1-4 cm thick. Upper surface undulate, occasionally zoned, with thick umbo at the side the cap is attached, velvety-felted to smooth, whitish to beige or yellowish brown, often green due to algal growth, with acute, scored, whitish to brown margin.
Tubes 5-10 mm long, white to cream. Pores 1-2 per mm, up to 4 mm long, elongate to gill-like at the margin, whitish or cream to grey-ochre. Flesh tough, elastic, white to cream.
Spore-print colour white.
Occurrence
Common on stumps and trunks of deciduous trees (Beech, Poplar, Maple, Ash). Parasitising on the mycelium of Bjerkandera adusta (304.jpg).
Saprophyte. (Parasitic?)