Fuscoporia ferruginosa

Dimitic hyphal system, with yellow, thick-walled skeletal hyphae (2 to 5 µm wide) darkening noticeably in KOH, and thin-walled hyaline generative hyphae (2 to 4 µm wide) with simple septa.

Hymenial setae abundant, subulate, thick-walled.

Tramal setae not observed; reported in literature as rather rare and up to 120 µm long.

Basidia clavate, up to 14 µm long, without basal clamp connections.

Spores ellipsoidal to oblong, smooth, hyaline, thin-walled, with an inconspicuous eccentric apiculus, a large internal lipid guttule, inamyloid in Melzer's reagent.

Herbarium material available: JTP2112/24.