Zygnema insigne (Hassall) Kütz. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Charophyta class Zygnematophyceae order Zygnematales family Zygnemataceae genus Spirogyra species Spirogyra insignis Name Homonyms Zygnema insigne (Hassall) Kütz. Zygnema insigne Hassall