Hydrocoleum coccineum Gomont, 1892 Dataset NCBI Taxonomy Classification phylum Cyanobacteriota class Cyanophyceae order Oscillatoriales family Microcoleaceae genus Symplocastrum species Symplocastrum coccineum Name Homonyms Hydrocoleum coccineum M4 Hydrocoleum coccineum Hydrocoleum coccineum Gomont, 1892