Physarum viride var. rigidum G.Lister, 1911 Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Protozoa phylum Mycetozoa class Myxomycetes order Physarales family Physaraceae genus Physarum species Physarum rigidum Name Homonyms Physarum viride var. rigidum G.Lister, 1911 Physarum viride rigidum G.Lister, 1911