Coprinus comatus

Filamentous pileipellis, formed by a layer of hyaline hyphae, arranged more or less parallel, septate, constricted at the septa, with variable width from 4 to 15 µm.

Cheilocystidia completely covering the lamellar edge, clavate, pyriform to vesiculose, with faint granular content.

Pleurocystidia not observed.

Basidia clavate and 4-spored, without basal clamp connections, up to 30 µm long.

Spores ellipsoidal, smooth-walled, dark grayish under the microscope, with a minute slightly eccentric apiculus at one end and a well-visible, large central germ pore at the opposite end.