Staurastrum pinnatum var. hydra Willi Krieger, 1932 Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Charophyta class Conjugatophyceae order Desmidiales genus Staurastrum species Staurastrum pinnatum Name Homonyms Staurastrum pinnatum var. hydra Willi Krieger, 1932