Ustilago carbo var. cynodontis Pass. Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Fungi phylum Basidiomycota class Ustilaginomycetes order Ustilaginales family Ustilaginaceae genus Ustilago species Ustilago cynodontis Name Homonyms Ustilago carbo subsp. cynodontis Pass. Ustilago carbo var. cynodontis Pass.