Clathrocystis aeruginosa var. major Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Bacteria phylum Cyanobacteria class Cyanobacteriia order Cyanobacteriales family Microcystaceae genus Microcystis species Microcystis aeruginosa Name Homonyms Clathrocystis aeruginosa var. major Clathrocystis aeruginosa subsp. major