Staurastrum subpygmaeum W.West Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Charophyta class Zygnematophyceae order Zygnematales family Desmidiaceae genus Staurastrum species Staurastrum subpygmaeum Name Synonyms Staurodesmus subpygmaeus (West) Croasdale, 1962 Homonyms Staurastrum subpygmaeum W.West