Hydnellum scrobiculatum

A species with a centrally depressed, reddish-brown cap with a wavy, whitish margin.

Monomitic hyphal system, with cylindrical generative hyphae, moderately thick-walled, 3-7 µm wide, arranged more or less parallelly to slightly interwoven, with light brown intracellular pigment, septate and clampless (simple septa).

Cystidia and other sterile hymenial elements absent.

Basidia cylindrical to clavate, 30-50 µm long and 6-7 µm wide, without basal clamps, 4-spored.

Spores subglobose to ovoid, with coarse warts, with only faint brownish intracellular pigment, a prominent apiculus at one end, a large central oil droplet, inamyloid in Melzer's reagent.