Stigmatodiscaceae Voglmayr & Jaklitsch, in Voglmayr et al., Fungal Diversity 80: 275 (2016): 77 (1903).
MycoBank number: MB 815326;Index Fungorum number: IF 815326; Facesoffungi number: FoF 08772, 6 species species.
On dead twigs. Sexual morph: Ascomata apothecioid, embedded in cortex of dead twigs, dark brown to black, without distinct margin. Hamathecium comprising septate, unbranched or rarely branched and anastomosing above, with swollen free apical ends, paraphyses, embedded in a rubber-like gel matrix and covered by an epithecium. Hymenial gel I-. Asci 8-spored, bitunicate, fissitunicate, J-, variable in shape from fusoid to saccate or clavate to broadly fusiform broadly, with thin ecto- and thick endotunica, with wide ocular chamber, without a ring. Ascospores 2–3-seriate, slightly to strongly asymmetric, broadly fusiform, upper cell broader, with broadly rounded, hyaline to brown, 1-euseptate when immature, with 2 distosepta at maturity, slightly to strongly constricted at the septum, particularly the middle septum, surrounded by a separate gelatinous sheath. Asexual morph: Coelomycetous. Conidiomata in nature immersed, peridermal, pycnidial (adapted from Voglmayr et al. 2016).
Type: Stigmatodiscus Voglmayr & Jaklitsch.
Notes: Voglmayr et al. (2016) established Stigmatodiscaceae to accommodate two genera, Asterodiscus and Stigmatodiscus, with two new species, Asterodiscus tamaricis and Stigmatodiscus enigmaticus based on phylogenetic placement and morphological characters. However further phylogenetic analyses in Voglmayr and Amengual (2018) with additional strains indicated that Asterodiscus should be synonymized under Stigmatodiscus. Thus, Stigmatodiscaceae currently comprises only Stigmatodiscus.