Staurastrum leptocladum L.N.Johnson Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Charophyta class Conjugatophyceae order Desmidiales genus Staurastrum species Staurastrum johnsonii Name Homonyms Staurastrum leptocladum L.N.Johnson Staurastrum leptocladum Nordst.