Sirosiphon compactus (Agardh) Kütz. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Bacteria phylum Cyanobacteria class Cyanobacteriia order Cyanobacteriales family Scytonemataceae genus Scytonema Name Homonyms Sirosiphon compactus (Agardh) Kütz. Sirosiphon compactus (Agardh) Kütz.