Hermetothecium T.F. Nóbrega, B.W. Ferreira, H.C. Evans & R.W. Barreto, gen. nov.
MycoBank number: MB 832759; Index Fungorum number: IF 832759; Facesoffungi number: FoF;
Etymology. Having a sealed sporocarp.
Classification — Chaetothyriaceae, Chaetothyriales, Eurotiomycetes.
Ascomata chasmothecium (similar to sporocarps of the Erysiphales), without an ostiole, epiphytic, formed on a subiculum on living leaves, globose, brown. Hymenium containing asci but no sterile filaments. Asci bitunicate, subglobose, fasciculate. Ascospores ellipsoid, 0 – 2-septate, hyaline. Asexual morph unknown.
Type species. Hermetothecium mikaniae-micranthae T.F. Nóbrega, B.W. Ferreira, H.C. Evans & R.W. Barreto