Staurastrum teliferum f. obtusum West, 1892 Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Charophyta class Conjugatophyceae order Desmidiales genus Staurastrum species Staurastrum teliferum Name Synonyms Cosmoastrum teliferum f. obtusum (West) Pal.-Mordv., 1982 Cosmoastrum teliferum var. obtusum (West) Petlovany, 2015 Homonyms Staurastrum teliferum f. obtusum West, 1892