Ganoderma lucidum

Species consistently collected on Quercus wood, though not exclusive to it.

Dimitic hyphal system, with thick-walled aseptate skeletal hyphae (2 to 3 µm wide) containing brown intracellular pigment, and thin-walled clamped generative hyphae up to 2.5 µm wide.

Cystidia and other sterile elements absent.

Basidia cylindrical, up to 23 µm long, with basal clamp connections, 4-spored.

Spores ellipsoidal, with a truncate apex, double-walled, pale brown under the microscope with darker punctations, a large internal oil guttule, inamyloid in Melzer's reagent.