Euglena viridis var. purpurea Playfair, 1921 Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Protozoa phylum Euglenozoa class Euglenoidea order Euglenida family Euglenaceae genus Euglena species Euglena viridis Name Homonyms Euglena viridis var. purpurea Playfair, 1921