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