Trichoderma pulvinatum

Study corresponding to the sexual or teleomorph stage of the species, known as Hypocrea pulvinata.

On the decaying hymenium of a specimen of Fomitopsis pinicola.

Asci cylindrical, with 8 two-celled spores that disarticulate within the ascus into 16 part-spores, up to 90 µm long and up to 4.5 µm wide, without basal croziers, inamyloid in Melzer's reagent.

Ascospores subglobose to cylindrical, delicately verruculose-walled, hyaline or with very faint ochraceous intracellular pigment, containing small scattered guttules inside.