Physarum curtisii (Berk.) Berl. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Protozoa phylum Mycetozoa class Myxomycetes order Physarales family Physaraceae genus Craterium species Craterium obovatum Name Homonyms Physarum curtisii (Berk.) Berl. Physarum curtisii Berk.