Staurastrum aculeatum (Ehrenb.) Menegh., 1840 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Charophyta class Conjugatophyceae order Desmidiales genus Staurastrum species Staurastrum anatinum Name Homonyms Staurastrum aculeatum (Ehrenb.) Menegh., 1840 Staurastrum aculeatum Menegh. ex Ralfs