Phormidium chalybeum Dataset NCBI Taxonomy Rank SPECIES Classification phylum Cyanobacteriota class Cyanophyceae order Oscillatoriales family Oscillatoriaceae genus Phormidium species Phormidium chalybeum Name Synonyms Oscillatoria chalybea Oscillatoria chalybea Mertens ex Gomont, 1892 Phormidium chalybeum (Mertens ex Gomont 1892) Anagnostidis and Komarek 1988 Homonyms Phormidium chalybeum Phormidium chalybeum (Mertens ex Gomont 1892) Anagnostidis and Komarek 1988