Name: Nostocales corrig. Borzì 1914

Category: Order

Proposed as: ord. nov.

Etymology: Nos.to.ca’les. N.L. fem. pl. n. Nostocales, the order of the genus Nostoc

Pronunciation (Latin), gender: nos-to-KA-les, feminine

Type genus: Nostoc Vaucher ex Bornet and Flahault 1886

Valid publication: Borzì A. Studi sulle Mixoficee. I. Cenni generali - Systema Myxophycearum. Nuovo Giornale Botanico Italiano Ser 2 1914; 21:307-360.

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

Taxonomic status: correct name

• Synonyms:

  • Name	Kind
    "Nostochinae" Endlicher 1836	homotypic synonym, inaccurate spelling
    Nostochinae Borzì 1914	other spelling of name, inaccurate spelling (ICN [Botanical Code])
    "Nostochineae" Thuret 1886	homotypic synonym, inaccurate spelling
    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" corrig. Thuret 1886	homotypic synonym, not validly published
    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)

• Notes:
  • 🧕 Cavalier-Smith (2002) assigned this order to the class Hormogoneae Hollerbach et al. 1953. Publication: Cavalier-Smith T. The neomuran origin of archaebacteria, the negibacterial root of the universal tree and bacterial megaclassification. Int J Syst Evol Microbiol 2002; 52:7-76. 🇬🇧
  • 🧕 Elenkin (1949) assigned this order to the class "Hormogoneae". Publication: Elenkin AA. Sinezeleniye vodorosli SSSR. Monografiya presnovodnykh i nazemnykh S'yanofiseaye, obnaruzhennykh v predelakh SSSR. Spetsial'naya (sistematicheskaya) chast', vyp. II. III. Hormogoneae (Geitl.) Elenk. (okonchaniye). Izdate'stvo Akademii Nauk SSSR, Moscow, 1949.
  • 🧕 Geitler (1925) assigned this order to the class "Hormogoneae". Publication: Geitler L. Synoptische Darstellung der Cyanophyceen in morphologischer und systematischer Hinsicht. Beihefte zum Botanischen Centralblatt 1925; 41:163-294.
  • 🧕 Hoffmann et al. (2005) assigned this order to the class Cyanophyceae Hauck 1885. Publication: Hoffmann L, Komárek J, Kaštovský J. System of cyanoprokaryotes (cyanobacteria) – state in 2004. Algol. Stud. 2005; 117:95-115. 🇱🇺
  • 🧕 Hoffmann et al. (2005) assigned this order to the subclass Nostocophycidae corrig. Bennett and Murray 1889. Publication: Hoffmann L, Komárek J, Kaštovský J. System of cyanoprokaryotes (cyanobacteria) – state in 2004. Algol. Stud. 2005; 117:95-115. 🇱🇺
  • 🧕 Komarek et al. (2014) assigned this order to the subclass Nostocophycidae corrig. Bennett and Murray 1889. Publication: Komárek J, Kaštovský J, Mareš J, Johansen JR. Taxonomic classification of cyanoprokaryotes (cyanobacterial genera) 2014, using a polyphasic approach. Preslia 2014; 86:295-335. 🇨🇿
  • 🧕 Strunecky et al. (2023) assigned this order to the class Cyanophyceae Hauck 1885. Publication: Strunecky O, Ivanova AP, Mares J. An updated classification of cyanobacterial orders and families based on phylogenomic and polyphasic analysis. J Phycol 2023; 59:12-51. 🇨🇿
  • 🧒 Borzi (1914) assigned the genus Nostoc Vaucher ex Bornet and Flahault 1886 to this order. Publication: Borzì A. Studi sulle Mixoficee. I. Cenni generali - Systema Myxophycearum. Nuovo Giornale Botanico Italiano 1914; Ser 2 (21):307-360.
  • 🧒 Cai and Li (2020) assigned the genus Purpureonostoc Cai and Li 2020 to this order. Publication: Cai F, Li R. Purpureonostoc, a new name for a recently described genus of Nostoc-like cyanobacteria. Fottea 2020; 20:111-111. 🇨🇳
  • 🧒 Elenkin (1935) assigned the family "Aphanizomenonaceae" to this order. Publication: Elenkin AA. Ob osnovnykh printsipakh sistemy Cyanophyceae. Sovetsk. Bot. 1935; 5:51-83.
  • 🧒 Elenkin (1949) assigned the family Leptobasaceae Elenkin 1917 to this order. Publication: Elenkin AA. Sinezeleniye vodorosli SSSR. Monografiya presnovodnykh i nazemnykh S'yanofiseaye, obnaruzhennykh v predelakh SSSR. Spetsial'naya (sistematicheskaya) chast', vyp. II. III. Hormogoneae (Geitl.) Elenk. (okonchaniye). Izdate'stvo Akademii Nauk SSSR, Moscow, 1949.
  • 🧒 Elenkin (1949) assigned the family Hydrocorynaceae Elenkin 1949 to this order. Publication: Elenkin AA. Sinezeleniye vodorosli SSSR. Monografiya presnovodnykh i nazemnykh S'yanofiseaye, obnaruzhennykh v predelakh SSSR. Spetsial'naya (sistematicheskaya) chast', vyp. II. III. Hormogoneae (Geitl.) Elenk. (okonchaniye). Izdate'stvo Akademii Nauk SSSR, Moscow, 1949.
  • 🧒 Elenkin (1949) assigned the family Tildeniaceae Kossinskaja 1926 to this order. Publication: Elenkin AA. Sinezeleniye vodorosli SSSR. Monografiya presnovodnykh i nazemnykh S'yanofiseaye, obnaruzhennykh v predelakh SSSR. Spetsial'naya (sistematicheskaya) chast', vyp. II. III. Hormogoneae (Geitl.) Elenk. (okonchaniye). Izdate'stvo Akademii Nauk SSSR, Moscow, 1949.
  • 🧒 Geitler (1925) assigned the family Mastigocladaceae Geitler 1925 to this order. Publication: Geitler L. Synoptische Darstellung der Cyanophyceen in morphologischer und systematischer Hinsicht. Beihefte zum Botanischen Centralblatt 1925; 41:163-294.
  • 🧒 Geitler (1925) assigned the family Oscillatoriaceae Engler 1898 to this order. Publication: Geitler L. Synoptische Darstellung der Cyanophyceen in morphologischer und systematischer Hinsicht. Beihefte zum Botanischen Centralblatt 1925; 41:163-294.
  • 🧒 Geitler (1925) assigned the family Microchaetaceae Lemmermann 1907 to this order. Publication: Geitler L. Synoptische Darstellung der Cyanophyceen in morphologischer und systematischer Hinsicht. Beihefte zum Botanischen Centralblatt 1925; 41:163-294.
  • 🧒 Geitler (1925) assigned the genus Nostoc Vaucher ex Bornet and Flahault 1886 to this order. Publication: Geitler L. Synoptische Darstellung der Cyanophyceen in morphologischer und systematischer Hinsicht. Beihefte zum Botanischen Centralblatt 1925; 41:163-294.
  • 🧒 Geitler (1925) assigned the genus Herpyzonema Weber-Van Bosse 1913 to this order. Publication: Geitler L. Synoptische Darstellung der Cyanophyceen in morphologischer und systematischer Hinsicht. Beihefte zum Botanischen Centralblatt 1925; 41:163-294.
  • 🧒 Hoffmann et al. (2005) assigned the family Loriellaceae Geitler 1925 to this order. Publication: Hoffmann L, Komárek J, Kaštovský J. System of cyanoprokaryotes (cyanobacteria) – state in 2004. Algol. Stud. 2005; 117:95-115. 🇱🇺
  • 🧒 Hoffmann et al. (2005) assigned the family "Symphyonemataceae" Hoffmann et al. 2005 to this order. Publication: Hoffmann L, Komárek J, Kaštovský J. System of cyanoprokaryotes (cyanobacteria) – state in 2004. Algol. Stud. 2005; 117:95-115. 🇱🇺
  • 🧒 Hoffmann et al. (2005) assigned the family Microchaetaceae Lemmermann 1907 to this order. Publication: Hoffmann L, Komárek J, Kaštovský J. System of cyanoprokaryotes (cyanobacteria) – state in 2004. Algol. Stud. 2005; 117:95-115. 🇱🇺
  • 🧒 Komarek and Golubic (1990) assigned the family Microchaetaceae Lemmermann 1907 to this order. Publication: Komarek J, Golubic S. Guide to the Nomenclature and formal taxonomic treatment of oxyphototroph prokaryotes (Cyanoprokaryotes). Unknown Publisher, Unknown City, 1990.
  • 🧒 Komarek et al. (2014) assigned the family Gloeotrichiaceae Komárek et al. 2014 to this order. Publication: Komárek J, Kaštovský J, Mareš J, Johansen JR. Taxonomic classification of cyanoprokaryotes (cyanobacterial genera) 2014, using a polyphasic approach. Preslia 2014; 86:295-335. 🇨🇿
  • 🧒 Komarek et al. (2014) assigned the family "Fortieaceae" Komárek et al. 2014 to this order. Publication: Komárek J, Kaštovský J, Mareš J, Johansen JR. Taxonomic classification of cyanoprokaryotes (cyanobacterial genera) 2014, using a polyphasic approach. Preslia 2014; 86:295-335. 🇨🇿
  • 🧒 Komarek et al. (2014) assigned the family Tolypothrichaceae Hauer et al. 2014 to this order. Publication: Komárek J, Kaštovský J, Mareš J, Johansen JR. Taxonomic classification of cyanoprokaryotes (cyanobacterial genera) 2014, using a polyphasic approach. Preslia 2014; 86:295-335. 🇨🇿
  • 🧒 Komarek et al. (2014) assigned the family "Symphyonemataceae" Hoffmann et al. 2005 to this order. Publication: Komárek J, Kaštovský J, Mareš J, Johansen JR. Taxonomic classification of cyanoprokaryotes (cyanobacterial genera) 2014, using a polyphasic approach. Preslia 2014; 86:295-335. 🇨🇿
  • 🧒 Liu et al. (2021) assigned the genus Zonotrichites Bornemann 1887 to this order. Publication: Liu L, Wu Y, Bao H, Jiang H, Zheng L, Chen Y. Diversity and systematics of Middle-Late Ordovician calcified cyanobacteria and associated microfossils from Ordos Basin, North China. Journal of Paleontology 2021; 95:1-23. 🇺🇸
  • 🧒 Liu et al. (2021) assigned the genus Cayeuxia Frollo 1938 to this order. Publication: Liu L, Wu Y, Bao H, Jiang H, Zheng L, Chen Y. Diversity and systematics of Middle-Late Ordovician calcified cyanobacteria and associated microfossils from Ordos Basin, North China. Journal of Paleontology 2021; 95:1-23. 🇺🇸
  • 🧒 Nyberg and Schopf (1984) assigned the genus Ramivaginalis Nyberg and Schopf 1984 to this order. Publication: Nyberg AV, Schopf JW. Microfossils in stromatolitic cherts from the upper proterozoic Min'yar formation, southern Ural Mountains, USSR. J Paleontol 1984; 58:738-772.
  • 🧒 Pal et al. (2024) assigned the genus Ahomia Pal and Singh 2024 to this order. Publication: Pal S, Saraf A, Kumar N, Singh P. Igniting taxonomic curiosity: The amazing story of Amazonocrinis with the description of a new genus Ahomia gen. nov. and novel species of Ahomia, Amazonocrinis, and Dendronalium from the biodiversity-rich northeast region of India. J Phycol 2024; 60:387-408. 🇮🇳
  • 🧒 Saraf et al. (2020) assigned the genus "Fortiea" to this order. Publication: Saraf A, Dawda HG, Suradkar A, Agre V, Singh P. Fortiea necridiiformans sp. nov., a soil-dwelling cyanobacterium from Pachmarhi Biosphere Reserve, India. Int J Syst Evol Microbiol 2020; 70:4714-4724. 🇮🇳
  • 🧒 Shalygin et al. (2017) assigned the family Cyanomargaritaceae Shalygin et al. 2017 to this order. Publication: Shalygin S, Shalygina R, Johansen JR, Pietrasiak N, Berrendero Gomez E, Bohunicka M, Mares J, Sheil CA. Cyanomargarita gen. nov. (Nostocales, Cyanobacteria): convergent evolution resulting in a cryptic genus. J Phycol 2017; 53:762-777. 🇺🇸
  • 🧒 Soares et al. (2021) assigned the genus Parakomarekiella Soares et al. 2021 to this order. Publication: Soares F, Ramos V, Trovão J, Cardoso SM, Tiago I, Portugal A. Parakomarekiella sesnandensis gen. et sp. nov. (Nostocales, Cyanobacteria) isolated from the Old Cathedral of Coimbra, Portugal (UNESCO World Heritage Site). European Journal of Phycology 2021; 56:301-315. 🇵🇹
  • 🧒 Strunecky et al. (2023) assigned the family Leptobasaceae Elenkin 1917 to this order. Publication: Strunecky O, Ivanova AP, Mares J. An updated classification of cyanobacterial orders and families based on phylogenomic and polyphasic analysis. J Phycol 2023; 59:12-51. 🇨🇿
  • 🧒 Strunecky et al. (2023) assigned the family Geitleriaceae Kilgore and Johansen 2018 to this order. Publication: Strunecky O, Ivanova AP, Mares J. An updated classification of cyanobacterial orders and families based on phylogenomic and polyphasic analysis. J Phycol 2023; 59:12-51. 🇨🇿
  • 🧒 Tawong et al. (2021) assigned the genus Neowollea Tawong 2021 to this order. Publication: Tawong W, Pongcharoen P, Pongpadung P, Ponza S. Validation of "Neowollea manoromense" Tawong, nom. inval. (Cyanophyta, Nostocaceae) from Thailand. Notulae Algarum 2021; 214:1-2. 🇹🇭
  • 🧒 Walton (1931) assigned the genus Nostoc Vaucher ex Bornet and Flahault 1886 to this order. Publication: Walton LB. Studies concerning organisms occurring in water supplies with particular reference to those found in Ohio. Part I. Ohio Biol. Surv. 1931; 5:1-86.
  • 🙄 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 BRCs most frequently used for deposits in this group are: SP: 36; CCALA: 23; CBFS: 22; MCC: 20; SAG: 16; FCME: 15; BRY: 13; BRNM: 12; QBG: 11; BISH: 10.

Subdivision:

Number of child taxa with a validly published and correct name: 18
Number of child taxa with a validly published name, including synonyms: 46
Total number of child taxa: 67

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Anabaenaceae Elenkin 1938	validly published under the ICN (Botanical Code), illegitimate name	synonym
    Aphanizomenaceae corrig. Elenkin 1938	validly published under the ICN (Botanical Code)	correct name
    Aphanizomenonaceae Elenkin 1938	inaccurate spelling (ICN [Botanical Code])	misspelling
    Aulosiraceae (Bornet and Flahault 1886) Woronichin 1926	validly published under the ICN (Botanical Code)	synonym
    Borzinemataceae Geitler 1942	validly published under the ICN (Botanical Code)	correct name
    "Brachytrichiaceae" Wartenberg 1972	not validly published	synonym
    Calotrichaceae corrig. Cooke 1890	validly published under the ICN (Botanical Code)	correct name
    Calotrichaceae Saraf et al. 2019	validly published under the ICN (Botanical Code), illegitimate name	synonym
    Calotricheae Cooke 1890	inaccurate spelling (ICN [Botanical Code])	misspelling
    Camptylonemopsidaceae Dutt et al. 1975	validly published under the ICN (Botanical Code)	synonym
    Capsosiraceae Geitler 1925	validly published under the ICN (Botanical Code)	correct name
    Chlorogloeopsidaceae Mitra and Pandey 1967	validly published under the ICN (Botanical Code)	correct name
    Cyanomargaritaceae Shalygin et al. 2017	validly published under the ICN (Botanical Code)	synonym
    Cyanothrichaceae Kisselew 1947	inaccurate spelling and illegitimate (ICN [Botanical Code])	misspelling
    Cyanotrichaceae corrig. Kisselew 1947	validly published under the ICN (Botanical Code), illegitimate name	synonym
    Dapisostemonaceae Hentschke et al. 2016	validly published under the ICN (Botanical Code)	correct name
    "Desmonemataceae" Kondratyeva 1968	not validly published	synonym
    Diplonemataceae (Borzì 1916) Elenkin 1935	validly published under the ICN (Botanical Code), illegitimate name	synonym
    "Fischerellaceae" Anagnostidis and Komárek 1990	not validly published	synonym
    Foniniaceae Korde 1973	validly published under the ICN (Botanical Code)	correct name
    "Fortieaceae" Komárek et al. 2014	not validly published	synonym
    Geitleriaceae Kilgore and Johansen 2018	validly published under the ICN (Botanical Code)	synonym
    Gloeotrichiaceae Komárek et al. 2014	validly published under the ICN (Botanical Code)	synonym
    Godleyaceae Hauer et al. 2014	validly published under the ICN (Botanical Code)	correct name
    Hapalosiphonaceae Elenkin 1916	validly published under the ICN (Botanical Code)	correct name
    Heteroscytonemataceae Sendall and McGregor 2018	validly published under the ICN (Botanical Code)	correct name
    Hydrocorynaceae Elenkin 1949	validly published under the ICN (Botanical Code)	synonym
    Isocystaceae (Borzì 1886) Elenkin 1917	validly published under the ICN (Botanical Code)	synonym
    Kenellaceae Korde 1973	validly published under the ICN (Botanical Code), illegitimate name	synonym
    Leptobasaceae Elenkin 1917	validly published under the ICN (Botanical Code), illegitimate name	synonym
    Lithonemataceae Elenkin 1949	validly published under the ICN (Botanical Code)	synonym
    Loriellaceae Geitler 1925	validly published under the ICN (Botanical Code)	synonym
    Mastigocladaceae Geitler 1925	validly published under the ICN (Botanical Code)	synonym
    Mastigocladopsidaceae Iyengar and Desikachary 1946	validly published under the ICN (Botanical Code)	synonym
    Microchaetaceae Lemmermann 1907	validly published under the ICN (Botanical Code)	synonym
    Nodulariaceae Elenkin 1916	validly published under the ICN (Botanical Code)	correct name
    Nostocaceae corrig. Frank 1886	validly published under the ICN (Botanical Code), illegitimate name	synonym
    Nostocaceae Wolle 1887	validly published under the ICN (Botanical Code), illegitimate name	synonym
    Nostocaceae Eichler 1886	validly published under the ICN (Botanical Code)	correct name
    [Nostocales, not assigned to family]	artificial parent node of taxa incertae sedis
    "Nostoceae" Kützing 1843	inaccurate spelling	misspelling
    Nostochaceae Frank 1886	inaccurate spelling and illegitimate (ICN [Botanical Code])	misspelling
    "Nostocidae" Walton 1931	inaccurate spelling	misspelling
    Parenchymorphaceae corrig. Tseng and Hua 1984	validly published under the ICN (Botanical Code)	synonym
    Parenchymorphataceae Tseng and Hua 1984	inaccurate spelling (ICN [Botanical Code])	misspelling
    "Pseudocapsosiraceae" Elenkin 1935	not validly published, descriptive name	synonym
    Pseudonostocaceae Elenkin 1949	validly published under the ICN (Botanical Code)	synonym
    Pulvinulariaceae Geitler 1925	validly published under the ICN (Botanical Code)	synonym
    Rhizonemataceae Büdel and Kauff ex Lücking and Barrie 2014	validly published under the ICN (Botanical Code)	correct name
    Rivulariaceae Rabenhorst ex Bornet and Flahault 1886	validly published under the ICN (Botanical Code)	correct name
    Rivulariaceae Frank 1886	validly published under the ICN (Botanical Code), illegitimate name	synonym
    Scytonemaceae Frank 1886	inaccurate spelling (ICN [Botanical Code])	misspelling
    "Scytonemaceae" Borzì 1892	inaccurate spelling	misspelling
    Scytonemataceae corrig. Frank 1886	validly published under the ICN (Botanical Code)	correct name
    Scytonemataceae corrig. Walton 1931	validly published under the ICN (Botanical Code), illegitimate name	synonym
    Scytonematidae Walton 1931	inaccurate spelling and illegitimate (ICN [Botanical Code])	misspelling
    Setchelliellaceae De Toni 1938	validly published under the ICN (Botanical Code)	synonym
    Sirosiphonaceae Frank 1886	validly published under the ICN (Botanical Code)	synonym
    "Sirosiphoniaceae" Rabenhorst 1863	inaccurate spelling	misspelling
    Stigonemaceae West 1904	inaccurate spelling and illegitimate (ICN [Botanical Code])	misspelling
    Stigonemaceae (Agardh ex Bornet and Flahault 1886) Borzì 1892	inaccurate spelling (ICN [Botanical Code])	misspelling
    Stigonemataceae corrig. (Agardh ex Bornet and Flahault 1886) Borzì 1892	validly published under the ICN (Botanical Code), conserved name	correct name
    "Symphyonemataceae" Hoffmann et al. 2005	not validly published	synonym
    Tildeniaceae Kossinskaja 1926	validly published under the ICN (Botanical Code), illegitimate name	synonym
    Tolypothrichaceae Hauer et al. 2014	inaccurate spelling (ICN [Botanical Code])	misspelling
    Tolypotrichaceae corrig. Hauer et al. 2014	validly published under the ICN (Botanical Code)	correct name
    Zheleznayaceae Molinari and Guiry 2021	validly published under the ICN (Botanical Code)	correct name

Parent taxon: Chroococcophyceae Hollerbach et al. 1953

Assigned by: 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: 6537