Spirogyra schmidtii W. & G.S.West, 1902 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Charophyta class Zygnematophyceae order Zygnematales family Zygnemataceae genus Spirogyra species Spirogyra schmidtii Name Homonyms Spirogyra schmidtii W. & G.S.West, 1902