Didymium effusum Link, 1815 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Protozoa phylum Mycetozoa class Myxomycetes order Physarales family Didymiaceae genus Didymium species Didymium squamulosum Name Homonyms Didymium effusum Link, 1815 Didymium effusum Fr., 1829