Trechispora fastidiosa

On the ground, also on leaves or rotten wood in an advanced state of decay, with completely resupinate basidiomes, granular to warty surface, sulfur yellow to cream, with a poorly defined, whitish growing margin, and characterized by a strong, unpleasant odor.

Monomitic hyphal system, with hyaline generative hyphae, 4.5 to 6 µm wide, septate and with clamp connections.

Without cystidia.

Basidia cylindric-clavate, 25 to 45 µm long, 7 to 10 µm wide, with basal clamp connections, 4-spored.

Spores ellipsoid, thick-walled and warty, pale yellow under the microscope in water, with a prominent, more or less centered apiculus at one end, 7 to 9 µm long, 4.5 to 5.5 µm wide, with one or several oil droplets inside, inamyloid in Melzer's reagent.

Herbarium material available: JTP2415/25.