Staurastrum hirsutum var. muricatum (Bréb. ex Ralfs) Kurt Först. Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Charophyta class Conjugatophyceae order Desmidiales genus Staurastrum species Staurastrum hirsutum Name Synonyms Binatella muricata Bréb., 1835 Phycastrum muricatum (Bréb.) Kütz., 1849 Staurastrum muricatum (Bréb.) Ralfs, 1846 Homonyms Staurastrum hirsutum var. muricatum (Bréb. ex Ralfs) Kurt Först.