Phormidium gracile (Gomont) Anagn. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Bacteria phylum Cyanobacteria class Cyanobacteriia order Cyanobacteriales family Oscillatoriaceae genus Phormidium species Phormidium gracile Name Synonyms Leibleinia gracilis (Gomont) Anagn. & Komárek Lyngbya gracilis Gomont Homonyms Phormidium gracile (Gomont) Anagn. Phormidium gracile A.Lindst.