Uredo segetum var. hordei Pers., 1801 Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Fungi phylum Basidiomycota class Ustilaginomycetes order Ustilaginales family Ustilaginaceae genus Ustilago species Ustilago hordei Name Homonyms Uredo segetum subsp. hordei Pers. Uredo segetum var. hordei Pers., 1801