? michelianum W.G.Sm. Dataset GBIF Backbone Taxonomy Rank UNRANKED Classification kingdom Fungi phylum Basidiomycota class Agaricomycetes order Geastrales family Geastraceae genus Geastrum species Geastrum triplex Name Homonyms ? michelianum d'Orbigny, 1850 ? michelianum W.G.Sm.