Physarum effusum Link, 1875 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Protozoa phylum Mycetozoa class Myxomycetes order Physarales family Didymiaceae genus Didymium species Didymium squamulosum Name Homonyms Physarum effusum Schwein., 1832 Physarum effusum Link, 1875