Name: Polycystis aeruginosa (Kützing 1833) Kützing 1849

Category: Species

Proposed as: comb. nov.

Basonym: Sphaerothrombium aeruginosum Kützing 1833

Etymology: ae.ru.gi.no’sa. L. fem. adj. aeruginosa, rusty

Pronunciation (Latin), gender: … a͡e-ru-gi-NO-sa, feminine

Holotype: IAM M-247; NIES 843

Conduct genome-based taxonomy at

16S rRNA gene: AP009552 Analyse FASTA

Valid publication: Kützing FT. Species algarum. F.A. Brockhaus, Lipsiae, 1849.

Nomenclatural status: validly published under the ICN (Botanical Code), illegitimate name

Taxonomic status: synonym

Correct name: Microcystis aeruginosa (Kützing 1833) Kützing 1849

• Synonyms:

  • Name	Kind
    Sphaerothrombium aeruginosum Kützing 1833	homotypic synonym, inaccurate spelling (ICN [Botanical Code])
    Micraloa aeruginosa corrig. Kützing 1833	homotypic synonym, validly published under the ICN (Botanical Code)
    Microcystis aeruginosa (Kützing 1833) Kützing 1849	homotypic synonym, validly published under the ICN (Botanical Code), lectotype
    Diplocystis aeruginosa (Kützing 1833) Trevisan 1848	homotypic synonym, validly published under the ICN (Botanical Code), rejected name
    Clathrocystis aeruginosa (Kützing 1833) Henfrey 1856	homotypic synonym, validly published under the ICN (Botanical Code), rejected name
    Microcystis aeruginosa (Kützing 1833) Otsuka et al. 2001	homotypic synonym, validly published under the ICN (Botanical Code), illegitimate name

• Notes:
  • 🥇 Nomenclatural type of the genus Polycystis Kützing 1849. Publication: Kützing FT. Species algarum. F.A. Brockhaus, Leipzig, 1849.
  • 🎓 Name mentioned 0 times in PubMed until 2025-06-04.

Subdivision:

Number of child taxa with a validly published and correct name: 0
Number of child taxa with a validly published name, including synonyms: 1
Total number of child taxa: 1

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Polycystis aeruginosa var. major Wittrock 1892	validly published under the ICN (Botanical Code), illegitimate name	synonym

Parent taxon: Polycystis Kützing 1849

Assigned by: Kützing FT. Species algarum. F.A. Brockhaus, Lipsiae, 1849.

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Record number: 18568