At any stage, you can move up or down the Taxonomic hierachy of Antarctic/subantarctic species by clicking on any name. Lower level taxon counts are shown in [].
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| Kingdom | Bacteria | |
| Phylum | Cyanobacteria | |
| Class | Cyanophyceae | |
| Order | Chroococcales | |
| Family | Microcystaceae | |
| Genus | Microcystis |
List of Individual Species - see Taxon profile using the name of the taxa.
| Microcystis chroococcoidea | W. et G.S. West 1911 | ||
| Microcystis elabens | Kitzing (BrÚbisson) Kitzing 1846 | Synonym | |
| Microcystis elachista | (W. et G.S. West) Starmach 1966/? | Synonym | |
| Microcystis fuscolutea | (Hansgirg) Forti in De Toni 1907 | ||
| Microcystis grevillei | (Berkeley) Elenkin 1938 | Synonym | |
| Microcystis marginata | (Meneghini) Kitzing 1846 | Synonym | |
| Microcystis merismopedioides | Fritsch 1912 | ||
| Microcystis muscicola | (Meneghini) Elenkin 1938 | Synonym | |
| Microcystis novacekii | (Komßrek) CompÞre 1974 | ||
| Microcystis parasitica | Kitzing 1843 | Synonym | |
| Microcystis parasitica var. glacialis | Fritsch 1912 | Synonym | |
| Microcystis parietina | (Nõgeli) Elenkin 1938 | Synonym | |
| Microcystis pulverea | (Wood) Forti in De Toni 1907 | ||
| Microcystis pulverea f. irregularis | (B. Petersen) Elenkin 1938 | ||
| Microcystis sp. | |||
| Microcystis stagnalis | Lemmermann 1903 | ||
| Microcystis wesenbergii | Komßrek 1958 |