Astraeus hygrometricus

Hyphae of the outer peridial layer filamentous, with abundant ochraceous intracellular pigment and intricately interwoven.

Hyphae of the inner peridial layer arranged in parallel, with little or no intracellular pigment.

Pseudocapillitium filamentous, sparingly branched, very thick-walled, with short swellings, weakly pigmented, virtually hyaline.

Spores spherical, brown under the microscope, with a large lipid droplet inside, densely covered with fine spines depending on the focal plane.