Sarcodon squamosus

In montane regions under conifers, with a convex to applanate pileus with a slightly depressed center, 10 to 20 cm in diameter, reddish brown, with erect scales arranged more or less concentrically; greyish-brown aculei; mild odor and sweet to slightly bitter taste.

Hyphal system monomitic: cuticular hyphae cylindrical, intermixed, 3 to 5 µm in diameter, with brownish intracellular pigment; contextual hyphae beneath wider and hyaline, with inflations up to 17 µm thick; all septate with clamp connections at the septa.

Cystidia absent.

Basidia cylindrical-clavate, 30 to 45 µm long, 7 to 9 µm wide, with basal clamp connections and four-spored.

Spores globose to subglobose, with coarse protuberances, pale brown under the microscope, 5.5 to 7.5 µm long (excluding ornamentation), 4 to 6 µm wide, containing one or more oil droplets inside, and inamyloid in Melzer's reagent.