Pyrenophora Fr., Summa veg. Scand., Sectio Post. (Stockholm): 397 (1849).

MycoBank number: MB 4596; Index Fungorum number: IF 4596; Facesoffungi number: FoF 000009; 108 species (Species Fungorum 2020), 16 species with molecular data.

Type speciesPyrenophora phaeocomes (Rebent.) Fr., Summa veg. Scand., Sectio Post. (Stockholm): 397 (1849).

Sphaeria phaeocomes Rebent., Prodr. fl. neomarch. (Berolini): 338 (1804).

NotesPyrenophora is characterized by immersed, erumpent to nearly superficial ascomata, asci usually with a large apical ring with a clear ocular chamber, lack of pseudoparaphyses and muriform, terete ascospores (Sivanesan 1984). The type species Pyrenophora phaeocomes has Drechslera asexual morph (Sivanesan 1984).