Staurastrum spiculosum A.M.Scott & R.L.Grönblad, 1957 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Charophyta class Conjugatophyceae order Desmidiales genus Staurastrum species Staurastrum spiculosum Name Homonyms Staurastrum spiculosum A.M.Scott & R.L.Grönblad, 1957