Cosmoastrum hystrix (Ralfs) Pal.-Mordv., 1982 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Charophyta class Conjugatophyceae order Desmidiales genus Staurastrum species Staurastrum hystrix Name Homonyms Cosmoastrum hystrix (Ralfs) Pal.-Mordv., 1982