Staurastrum turgescens f. minus West & G.S.West, 1907 Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Charophyta class Conjugatophyceae order Desmidiales genus Staurastrum species Staurastrum turgescens Name Homonyms Staurastrum turgescens f. minus West & G.S.West, 1907