Cosmarium intermedium var. major Irénée-Marie & Hilliard, 1963 Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Charophyta class Conjugatophyceae order Desmidiales genus Cosmarium species Cosmarium intermedium Name Homonyms Cosmarium intermedium var. major Irénée-Marie & Hilliard, 1963