Alloexidiopsis calcea

Hyphal system monomitic, with clamped, hyaline generative hyphae, 2.5 to 3.9 µm wide.

Basidia 4-spored, rarely 2-spored, cruciate-septate (longitudinally septate), and provided with long, thick sterigmata.

Without observed cystidia.

Spores cylindrical to allantoid, with a somewhat pointed end bearing the apiculus, with granular content inside and inamyloid in Melzer's reagent.