Lepiota castanea

General: Inhabiting both conifer and broadleaved woodlands with preference for basic soils, pileus umbonate with reddish-brown scales, unpleasant rubbery odor, and mild taste.

Pileipellis: Composed of interwoven hyphae 5-10 µm wide giving rise to erect terminal hair-like elements 110-300 µm long, with inflations up to 25 µm, containing pale brown intracellular pigment, septate and mostly clamped.

Cheilocystidia: Clavate to fusiform, 28-40 x 8-11 µm.

Pleurocystidia: Absent.

Basidia: Clavate, 20-32 x 7-9 µm, with basal clamp connections, 4-spored.

Spores: Spurred (calcarate), moderately thick-walled, pointed at one pole and spurred/truncate at the base, with granular contents, dextrinoid in Melzer's reagent.