Anabaena hassallii (Kütz.) Wittrock, 1882 Dataset TAXREF Rank SPECIES Classification kingdom Bacteria phylum Cyanobacteria class Cyanophyceae order Nostocales family Nostocaceae genus Dolichospermum species Dolichospermum sigmoideum Name Homonyms Anabaena hassallii (Kütz.) Wittrock, 1882