Diderma radiatum var. umbilicatum (Pers.) G.Lister, 1925 Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Protozoa phylum Mycetozoa class Myxomycetes order Physarales family Didymiaceae genus Diderma species Diderma umbilicatum Name Homonyms Diderma radiatum var. umbilicatum (Pers.) G.Lister, 1925 Diderma radiatum umbilicatum (Pers.) Meyl.