Collybia cookei

Species characterized by the presence of cream-yellow sclerotia at the base of the stipe.

Hyphae of the sclerotium wall with a textura globosa-angularis.

Filamentous pileipellis, formed by hyaline hyphae, up to 4.5 µm wide, arranged more or less parallel, slightly interwoven, and with clamped septa.

Lamellar edge homomorphic, without differentiated elements from basidia or basidioles.

Basidia cylindric-clavate, only up to 20 µm long, 4-spored.

Spores ellipsoidal, smooth, hyaline, thin-walled, with an inconspicuous lateral apiculus, faint granular content, inamyloid in Melzer's reagent.

Herbarium material available: JTP2257/24.