Helminthosporium avenaceum M.A.Curtis Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Ascomycota class Dothideomycetes order Pleosporales family Pleosporaceae genus Drechslera species Drechslera avenacea Name Homonyms Helminthosporium avenaceum M.A.Curtis ex Cooke Helminthosporium avenaceum M.A.Curtis