Physarum microcarpum Fr. & Palmquist, 1818 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Protozoa phylum Mycetozoa class Myxomycetes order Physarales family Didymiaceae genus Didymium species Didymium nigripes Name Homonyms Physarum microcarpum Fr. & Palmquist, 1818