Staurastrum lunatum f. luxurians Lütkem., 1910 Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Charophyta class Zygnematophyceae order Zygnematales family Desmidiaceae genus Staurastrum species Staurastrum subavicula Name Homonyms Staurastrum lunatum f. luxurians Lütkem., 1910