Tricholoma columbetta

A species associated with broadleaf trees such as Fagus, Quercus, or Betula, with a convex to flattened pileus, obtuse umbo, 6 to 10 cm in diameter, smooth surface with radial fibrils, white to pale cream, adnate to emarginate lamellae, cylindrical white stipe with characteristic bluish tones at the base, lacking a distinct odor, and with a farinaceous taste.

Cuticle filamentous, composed of hyphae arranged parallel to each other, hyaline, 2 to 3.5 µm wide, septate with simple septa (without clamp connections).

Without cystidia.

Lamellar trama regular or parallel.

Basidia cylindric-clavate, 28 to 32 µm long, 6 to 8 µm wide, with basal clamp connections, mostly 4-spored.

Spores ovoid to ellipsoid, smooth, hyaline, thin-walled, with an eccentric apiculus at one end, 5 to 6.5 µm long, 4 to 5 µm wide, containing a large oil or lipid droplet inside, inamyloid in Melzer's reagent.