Discopycnothyrium Hongsanan & K.D. Hyde, Mycotaxon 131(4): 862 (2017) 
Index Fungorum number: IF 551024; Faceoffungi number: FoF 00569, 1 morphological species (Species Fungorum, 2022), 1 species with molecular data
Foliar epiphytes. Superficial mycelium aseptate, pale brown to brown. Sexual morph: undetermined. Asexual morph: Pycnothyrium superficial on the host surface, circular, walls comprising radially arranged cells, dark brown, with central ostiole surrounded by dark cells. Peridium poorly developed at the base. Conidiogenous cells holoblastic, cylindrical, hyaline. Pycnothyriospores ovoid or broadly clavate, widest and rounded near the apex and tapering towards lower end, 1-septate near the tapering base, upper cell pale brown to brown, lower cell hyaline.
Type species: Discopycnothyrium palmae Hongsanan & K.D. Hyde
Notes: Discopycnothyrium was introduced by Hongsanan et al. (2016) with D. palmae as the type species. Discopycnothyrium is an asexual morph genus that resembles Asterostomula and Prillieuxina in its circular pycnothyria with radially arranged cells. However, Discopycnothyrium is unique in having a central ostiole and 1-septate pycnothyriospores comprising brown upper cells and hyaline lower cells which is lacking in other similar genera.
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