Ustilago urceolorum f. scirpi J.G.Kühn Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Fungi phylum Basidiomycota class Ustilaginomycetes order Ustilaginales family Anthracoideaceae genus Anthracoidea species Anthracoidea scirpi Name Homonyms Ustilago urceolorum f. scirpi J.G.Kühn Ustilago urceolorum var. scirpi Kühn