Physarum robustum var. coeruleum Nann.-Bremek., 1973 Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Protozoa phylum Mycetozoa class Myxomycetes order Physarales family Physaraceae genus Physarum species Physarum robustum Name Homonyms Physarum robustum var. coeruleum Nann.-Bremek., 1973