Durella macrospora

Marginal hyphae cylindrical, parallel, septate, with dark brown intracellular pigment and rounded emerging terminal tips.

Asci cylindric-clavate, generally biseriate, inoperculate, with croziers at their base, inamyloid in Melzer's reagent.

Paraphyses filiform, septate, smooth, hyaline or only slightly pigmented at the apex.

Ascospores large, ellipsoidal to fusiform, multiseptate with faint granular content, often surrounded by a thin mucilaginous sheath.