Hygrophorus leucophaeo-ilicis

A species typical of holm oak woods (Quercus ilex), with a bicolored cap.

Pileipellis composed of cylindrical filamentous hyphae, 3-5 µm wide; the outermost layer widely separated by gelification, underlain by a more compacted layer of densely interwoven hyphae up to 8 µm wide, with faint brownish intracellular pigment and clamped septa.

Gill edge fertile, without differentiated cystidia.

Lamellar trama bilateral.

Basidia cylindric-clavate, 45-60 µm long and 7-10 µm wide, with basal clamps, 4-spored.

Spores ellipsoidal, smooth, hyaline, thin-walled, with an inconspicuous eccentric apiculus at one end, one or more oil or lipid droplets inside, inamyloid in Melzer's reagent.