Armillaria mellea

Suprapellis formed by filamentous hyphae, fairly broad, arranged in parallel, with pale brown intracellular pigment, numerous septa and without clamp connections.

Lamellar edge with scattered cylindrical, sinuous hairs projecting above the level of the basidia.

Basidia cylindrical to clavate and 4-spored.

Spores ellipsoidal, smooth-walled, some with a thick lipid droplet, with granular content inside and inamyloid in Melzer's reagent.