Spumaria alba didymium (Fr.) Morgan, 1894 Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Protozoa phylum Mycetozoa class Myxomycetes order Physarales family Physaraceae genus Physarum species Physarum didermoides Name Homonyms Spumaria alba var. didymium (Fr. & Palmquist) Morgan, 1894 Spumaria alba didymium (Fr.) Morgan, 1894