Sphaerospermopsis oumiana NIES-1931 Dataset NCBI Taxonomy Classification phylum Cyanobacteriota class Cyanophyceae order Nostocales family Aphanizomenonaceae genus Sphaerospermopsis species Sphaerospermopsis oumiana Name Homonyms Sphaerospermopsis oumiana Sphaerospermopsis oumiana NIES-1931 Sphaerospermopsis oumiana NIES-1678 Sphaerospermopsis oumiana (M.Watanabe 1996) Tuji and Niiyama 2012