Spirogyra setiformis (Roth) Martens Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Charophyta class Zygnematophyceae order Zygnematales family Zygnemataceae genus Spirogyra species Spirogyra setiformis Name Homonyms Spirogyra setiformis (Roth) Kütz. Spirogyra setiformis (Roth) Martens ex Meneghini Spirogyra setiformis (Roth) Martens