Gloeocapsa nigrescens Nägeli Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Bacteria phylum Cyanobacteria class Cyanobacteriia order Cyanobacteriales family Gloeocapsaceae genus Gloeocapsa species Gloeocapsa nigrescens Name Homonyms Gloeocapsa nigrescens Nägeli Gloeocapsa nigrescens Kuetzing