Johansenia constricta (Szafer, 1910) Hasler, Dvorak & Poulickova, 2014 Dataset NCBI Taxonomy Classification phylum Cyanobacteriota class Cyanophyceae order Oscillatoriales family Microcoleaceae genus Johansenia species Johansenia constricta Name Homonyms Johansenia constricta Johansenia constricta (Szafer, 1910) Hasler, Dvorak & Poulickova, 2014