Tricholoma pardinum

A toxic species typical of high-mountain pine or mixed forests (fir and beech), with a large hemispherical to convex pileus, 6 to 20 cm in diameter, surface covered with concentric blackish scales, emarginate yellowish lamellae, cylindrical greyish-white stipe, and farinaceous odor and taste.

Cuticular hyphae filamentous, arranged parallel to slightly interwoven, 3 to 8 µm wide, those forming part of the scales containing abundant blackish-brown pigment inside, septate and with abundant clamp connections.

Without cystidia.

Lamellar trama regular or parallel, with hyphae bearing clamp connections.

Basidia clavate, 30 to 40 µm long, 9 to 14 µm wide, with basal clamp connections, generally 4-spored.

Spores not observed; reported in literature as ellipsoid, smooth, hyaline, thin-walled, 8 to 10 µm long, 6 to 7 µm wide, containing oil droplets inside, inamyloid in Melzer's reagent.