Collybia cirrhata

Filamentous cutis, formed by a layer of hyaline hyphae, arranged parallel or slightly interwoven, very compact, slender, and with clamped septa.

Terminal hyphae present as caulocystidia in the upper stipe.

Lamellar edge without differentiated elements from basidia or basidioles.

Basidia cylindric-clavate, rather short (up to just over 20 µm long), with basal clamp connections, 4-spored.

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