Pyrenophora avenae
Encyclopedia
Pyrenophora avenae is a species of fungus
Fungus
A fungus is a member of a large group of eukaryotic organisms that includes microorganisms such as yeasts and molds , as well as the more familiar mushrooms. These organisms are classified as a kingdom, Fungi, which is separate from plants, animals, and bacteria...

 in the Pleosporaceae
Pleosporaceae
Pleosporaceae is a family of sac fungi. The taxonomic relationship of this family to associated genera is still not determined.-Genera list:* Cochliobolus Drechsler* Crivellia Shoemaker & Inderbitzin...

 family. It is a plant pathogen, causing leaf stripe, blotch or spot and seedling blight of oats.
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