Spirogyra majuscula (Kuetzing) Czurda Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Charophyta class Zygnematophyceae order Zygnematales family Zygnemataceae genus Spirogyra species Spirogyra majuscula Name Homonyms Spirogyra majuscula Kütz. Spirogyra majuscula (Kuetzing) Czurda