Inonotus hispidus

A species infecting numerous hosts, found parasitizing a living urban tree, with a hirsute pileus.

Monomitic hyphal system: context hyphae thin-walled, arranged parallelly to slightly interwoven, 3-4 µm wide, with yellowish-brown intracellular pigment, sparsely branched, septate with simple septa (clampless).

Hymenial setae absent in this study, though according to literature it may occasionally present setae 20-24 µm long and 6-8 µm wide.

Basidia cylindric-clavate, 20-30 µm long and 9-11 µm wide, without basal clamps, 4-spored.

Spores subglobose to ovoid, very thick-walled and smooth, yellowish-brown under the microscope, darkening noticeably in ammonia, inamyloid in Melzer's reagent.

Herbarium material available: JTP2598/25.