Porphyrosiphon notarisii Kütz. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Bacteria phylum Cyanobacteria class Cyanobacteriia order Cyanobacteriales family Microcoleaceae genus Porphyrosiphon species Porphyrosiphon notarisii Name Homonyms Porphyrosiphon notarisii Kütz. ex Gomont Porphyrosiphon notarisii Kütz.