Staurastrum kaiseri Ruicka, 1972 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Charophyta class Conjugatophyceae order Desmidiales genus Staurastrum species Staurastrum crassangulatum Name Homonyms Staurastrum kaiseri Ruicka, 1972 Staurastrum kaiseri (Ruzicka) Lenzenw., 1989