Calothrix orsiniana Thuret ex Engler, 1892 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Bacteria phylum Cyanobacteria class Cyanobacteriia order Cyanobacteriales family Nostocaceae genus Calothrix species Calothrix orsiniana Name Homonyms Calothrix orsiniana (Kütz.) Thur. Calothrix orsiniana Thuret ex Engler, 1892