Cortinarius duracinus

Suprapellis hyphae arranged parallel, pigmented, 8.4 to 17.7 µm wide, clamped; below them, more hyaline and interwoven hyphae up to 24 µm wide.

Lamellar edge homomorphic, without differentiated elements from basidia or basidioles.

Basidia cylindric-clavate, up to 47 µm long, 4-spored.

Spores ellipsoidal to amygdaliform, very finely verrucose to almost smooth-walled, yellowish-brown under the microscope, with darker warts, an eccentric apiculus, and strongly dextrinoid reaction in Melzer's reagent.