Saprobic on wood in freshwater and terrestrial habitats. Sexual morph: Ascomata perithecial,
dark brown to black, solitary or gregarious, superficial to erumpent, cupuliform, globose to
subglobose, carbonaceous to membranaceous, turbinate or tuberculate or smooth, collabent or
collapsing laterally or not collapsing, ostiolate. Peridium thick, Munk pores present or absent,
outer layer (pseudoparenchymatous cells) hard, composed of dark tissues, basal part mixed with host
cells; inner layer composed of brown to dark brown to hyaline cells of textura angularis.
Paraphyses few, inflated, branched. Asci 8-spored, unitunicate, clavate, long pedicellate, apical
ring indistinct or absent. Ascospores 2–3-seriate or irregularly arranged, hyaline to brown,
cylindrical to fusiform, aseptate to multi-septate, smooth-walled, mostly with guttules. Asexual
morph: Undetermined (adapted from Maharachchimbura et al. 2016b).