Physarum famintzinii var. sibiricum Lavrov, 1965 Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Protozoa phylum Mycetozoa class Myxomycetes order Physarales family Physaraceae genus Physarum species Physarum famintzinii Name Homonyms Physarum famintzinii var. sibiricum Lavrov, 1965