Geopora arenicola

Medullary excipulum of textura intricata, with thick filamentous hyphae mixed with some subglobose to vesiculose cells.

Ectal excipulum of textura globosa-angularis giving rise to septate, thick-walled hairs with faint brown intracellular pigment.

Asci cylindrical, 8-spored, uniseriate, with croziers at their base, inamyloid in Melzer's reagent.

Paraphyses filiform, hyaline, cylindrical, septate, only very slightly widened at the apex.

Ascospores ovoid to ellipsoidal, smooth, hyaline, thin- to moderately thick-walled, with a large central lipid guttule occupying nearly half the spore.