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Etymology: N.L. fem. n. Polycystis
Gender: feminine (stem: Polycyst-)
Type species: Polycystis aeruginosa (Kützing 1833) Kützing 1849
Valid publication: Kützing FT. Species algarum. F.A. Brockhaus, Leipzig, 1849.
Nomenclatural status: validly published under the ICN (Botanical Code), illegitimate name
Correct name: Microcystis Kützing ex Lemmermann 1907
| Name | Kind |
|---|---|
| Diplocystis Trevisan 1848 | homotypic synonym, validly published under the ICN (Botanical Code) |
| Micraloa Biasoletto 1832 | heterotypic synonym, validly published under the ICN (Botanical Code) |
| Microcystis Kützing ex Lemmermann 1907 | heterotypic synonym, validly published under the ICN (Botanical Code), conserved name |
Number of child taxa with a validly published and correct name: 0
Number of child taxa with a validly published name, including synonyms: 15
Total number of child taxa: 15
| Name | Nomenclatural status | Taxonomic status |
|---|---|---|
| Polycystis aeruginosa (Kützing 1833) Kützing 1849 | validly published under the ICN (Botanical Code), illegitimate name | synonym |
| Polycystis amethystina Filarszky 1900 | validly published under the ICN (Botanical Code), illegitimate name | synonym |
| Polycystis clarionensis Setchell and Gardner 1937 | validly published under the ICN (Botanical Code), illegitimate name | synonym |
| Polycystis elongata West and West 1902 | validly published under the ICN (Botanical Code), illegitimate name | in need of a replacement |
| Polycystis fuscolutea Hansgirg 1888 | validly published under the ICN (Botanical Code), illegitimate name | synonym |
| Polycystis glauca (Wolle 1877) Drouet and Daily 1942 | validly published under the ICN (Botanical Code) | orphaned species |
| Polycystis incerta Lemmermann 1899 | validly published under the ICN (Botanical Code), illegitimate name | synonym |
| Polycystis insignis Beck 1897 | validly published under the ICN (Botanical Code), illegitimate name | synonym |
| Polycystis litoralis Hansgirg 1890 | validly published under the ICN (Botanical Code), illegitimate name | synonym |
| Polycystis ochracea Brand 1898 | validly published under the ICN (Botanical Code), illegitimate name | synonym |
| Polycystis pallida Lemmermann 1898 | validly published under the ICN (Botanical Code), illegitimate name | in need of a replacement |
| Polycystis reticulata Lemmermann 1898 | validly published under the ICN (Botanical Code), illegitimate name | synonym |
| Polycystis scripta Richter 1886 | validly published under the ICN (Botanical Code), illegitimate name | synonym |
| Polycystis stagnalis Lemmermann 1900 | validly published under the ICN (Botanical Code), illegitimate name | synonym |
| Polycystis viridis Braun 1865 | validly published under the ICN (Botanical Code), illegitimate name | synonym |
Parent taxon: Microcystaceae Elenkin 1933
Assigned by: Komarek J, Golubic S. Guide to the Nomenclature and formal taxonomic treatment of oxyphototroph prokaryotes (Cyanoprokaryotes). Unknown Publisher, Unknown City, 1990.
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Record number: 8145