Rhizodiscinaceae Crous, Spatafora, Haridas & Grigoriev, fam. nov.
MycoBank number: MB 831897; Index Fungorum number: IF 831897; Facesoffungi number: FoF 12985;
Etymology: Name reflects the genus Rhizodiscina.
Ascomata apothecial, superficial, initially closed, exposing a black hymenium at maturity, convex, anchored at base. Exciple pseudoparenchymatous, with black outer layers; inner layers of dense textura angularis, dark brown. Hamathecium of branched, hyaline, septate pseudoparaphyses, slightly swollen on the apex, anastomosing, forming a pale brown epithecium above or at the level of asci. Asci 8-spored, bitunicate, clavate, long pedicellate, with prominent ocular chamber. Ascospores irregularly arranged, obovoid to oblong, brown, smooth-walled, constricted at the septum.
Type genus: Rhizodiscina Hafellner, Beih. Nova Hedwigia 62: 195. 1979.
Type species: Rhizodiscina lignyota (Fr.) Hafellner, Beih. Nova Hedwigia 62: 195. 1979.