Didymium difforme var. comatum Lister, 1901 Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Protozoa phylum Mycetozoa class Myxomycetes order Physarales family Didymiaceae genus Didymium species Didymium comatum Name Homonyms Didymium difforme var. comatum Lister, 1901 Didymium difforme comatum A.Lister