Ustilago persicariae Ces. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Basidiomycota class Microbotryomycetes order Microbotryales family Microbotryaceae genus Microbotryum species Microbotryum cordae Name Homonyms Ustilago persicariae Ces. Ustilago persicariae Cif.