Hapalosiphon arboreus West and G.S.West 1894 Dataset NCBI Taxonomy Classification phylum Cyanobacteriota class Cyanophyceae order Nostocales family Hapalosiphonaceae genus Hapalosiphon species Hapalosiphon arboreus Name Homonyms Hapalosiphon arboreus Hapalosiphon arboreus West and G.S.West 1894