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Order "Nostocales"
Name: "Nostocales" corrig. Thuret 1886
Etymology: Nos.to.ca’les. N.L. fem. pl. n. Nostocales, the Nostoc order
Pronunciation, gender: nos-to-KA-les, feminine
Type genus: Nostoc Vaucher ex Bornet and Flahault 1886
Original publication: Ardissone F. Phycologia mediterranea. Parte IIa. Oosporee-Zoosporee-Schizosporee. Tipografia Maj e Malnati, Varese, 1886.
Nomenclatural status: not validly published
Taxonomic status: synonym (and no standing)
Correct name: Nostocales corrig. Borzì 1914
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Synonyms:
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Name Kind "Nostochinae" Endlicher 1836 homotypic synonym, inaccurate spelling Nostochinae Borzì 1914 homotypic synonym, inaccurate spelling (ICN [Botanical Code]) "Nostochineae" Thuret 1886 other spelling of name, inaccurate spelling Nostocales corrig. Borzì 1914 homotypic synonym, validly published under the ICN (Botanical Code) Stigonematales (ex Geitler 1925) Cavalier-Smith 2002 heterotypic synonym, validly published under the ICNP, rejected name Stigonematidea Walton 1931 heterotypic synonym, inaccurate spelling (ICN [Botanical Code]) Nostocales Cavalier-Smith 2002 homotypic synonym, validly published under the ICNP, rejected name Kenellales Korde 1973 heterotypic synonym, validly published under the ICN (Botanical Code), illegitimate name Nostocidea Walton 1931 homotypic synonym, inaccurate spelling and illegitimate (ICN [Botanical Code]) Nostocales Geitler 1925 homotypic synonym, validly published under the ICN (Botanical Code), illegitimate name Nostocales corrig. Walton 1931 homotypic synonym, validly published under the ICN (Botanical Code), illegitimate name Stigonematales corrig. Walton 1931 heterotypic synonym, validly published under the ICN (Botanical Code)
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Notes:
- 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Mostocales"; "Nestocales"; "Noatocales"; "Noctocales"; "Nootocales"; "Nosfocales"; "Noslocales"; "Nostecales"; "Nostncales"; "Nostocacales"; "Nostocinales"; "Nostococcales"; "Nostogales"; "Vostocales".
- ✏ The authority of the taxon name (Thuret) deliberately differs from the author of the publication (Ardissone).
- 🧍 Considered not validly published. It is unclear whether Ardissone referred to a previous publication by Thuret, and the proposal may have been conducted before the starting point for the nomenclature of filamentous cyanobacteria. Publication: Bornet É, Flahault C. Revision des Nostocacées hétérocystées contenues dans les principaux herbiers de France (quatrième et dernier fragment). Annales des Sciences Naturelles, Botanique, Septième Série 1886; 7:177-262.
Parent taxon: Chroococcophyceae Hollerbach et al. 1953
Assigned by:
LPSN automated production system. The following publication is only one of the sources consulted.
It may or may not mention this taxon name. —
Aleksovski B, Krstić S, Guiry MD. The names of phyla and classes of blue-green algae (cyanobacteria, cyanophytes) and a typified name: Cyanobacteriophyta Oren, Mareš et Rippka. Fottea 2025; 25:212-217. 
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Record number: 54403
This LPSN page was printed on 2026-01-22 19:38:09