Mallocybe terrigena

A species typical of conifers, with a convex light brown cap with a whitish margin, scaly stipe, and lacking pleurocystidia.

Pileipellis composed of hyphae arranged more or less parallelly, 5-12 µm wide, with abundant yellowish-brown intracellular pigment, septate and clamped.

Stipe surface hyphae with abundant brown encrusting intracellular pigment, with rounded terminal elements.

Cheilocystidia clavate to pyriform, 17-30 µm long and 7-11 µm wide, with basal clamps.

Pleurocystidia absent.

Basidia clavate, 35-50 µm long and 7-9 µm wide, with basal clamps, 4-spored.

Spores ellipsoidal to phaseoliform (bean-shaped), smooth- and thick-walled, with an almost imperceptible apiculus at one end and containing oil droplets.