Staurastrum tricorne Menegh. ex Ralfs, 1848 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Charophyta class Conjugatophyceae order Desmidiales genus Staurastrum species Staurastrum hexacerum Name Homonyms Staurastrum tricorne Menegh. ex Ralfs, 1848 Staurastrum tricorne Menegh.