''Pyrenophora avenae'' is a species of

fungus A fungus (: fungi , , , or ; or funguses) is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and mold (fungus), molds, as well as the more familiar mushrooms. These organisms are classified as one ...

in the family

Pleosporaceae Pleosporaceae is a family (biology), family of sac fungi. They are pathogenic to humans or saprobic on woody and dead herbaceous stems or leaves. They are generally Teleomorph, anamorph and holomorph, anamorphic species (having an asexual reprod ...

. It is a

plant pathogen Plant diseases are diseases in plants caused by pathogens (infectious organisms) and environmental conditions (physiological factors). Organisms that cause infectious disease include fungi, oomycetes, bacteria, viruses, viroids, virus-like orga ...

, causing leaf stripe, blotch or spot and seedling blight of oats.

References

Pyrenophora Fungal plant pathogens and diseases Oats diseases Fungi described in 1930 Fungus species {{fungus-plant-disease-stub