Sphaerogonium polonicum Rostafinski, 1883 Dataset NCBI Taxonomy Classification phylum Cyanobacteriota class Cyanophyceae order Gomontiellales family Chamaesiphonaceae genus Chamaesiphon species Chamaesiphon polonicus Name Homonyms Sphaerogonium polonicum Sphaerogonium polonicum Rostafinski, 1883