Staurastrum polymorphum var. chaetoceras Schröder, 1898 Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Charophyta class Conjugatophyceae order Desmidiales genus Staurastrum species Staurastrum chaetoceras Name Homonyms Staurastrum polymorphum var. chaetoceras Schröder, 1898