13 October 2006 Buckinghamshire. Photograph copyright Leif Goodwin.
Convex, then flattened, smooth, margin lined, yellow brown to orange brown, covered with dark grey veil remnants, to about 15 cm across
Adnate, crowded, white
Tapered upwards, decorated with a zig-zag pattern, ridged at the base, whitish
In deciduous woods, favouring oak and beech
Spores spherical, smooth (10-13) µm
Inedible, possibly poisonous