Spumaria alba solida Sturgis Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Protozoa phylum Mycetozoa class Myxomycetes order Physarales family Didymiaceae genus Mucilago species Mucilago crustacea Name Homonyms Spumaria alba var. solida Sturgis, 1907 Spumaria alba solida Sturgis