Staurastrum bifidum Bréb. ex Ralfs Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Charophyta class Zygnematophyceae order Zygnematales family Desmidiaceae genus Staurastrum species Staurastrum bifidum Name Homonyms Staurastrum bifidum Bréb. ex Ralfs Staurastrum bifidum Bréb., 1848