Name: Hapalosiphon laminosus Hansgirg ex Bornet and Flahault 1886

Category: Species

Proposed as: sp. nov.

Etymology: la.mi.no’sus. L. fem. n. lamina, layer; N.L. masc. adj. laminosus, layered

Pronunciation, gender: la-mi-NO-sus, masculine

Valid publication: Bornet É, Flahault C. Revision des Nostocacées hétérocystées contenues dans les principaux herbiers de France (Troisième fragment). Annales des Sciences Naturelles, Botanique, Septième série 1886; 5:51-129.

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

Taxonomic status: synonym

Correct name: Mastigocladus laminosus Cohn ex Kirchner 1898

• Synonyms:

  • Name	Kind
    Mastigocladus laminosus Cohn ex Kirchner 1898	homotypic synonym, validly published under the ICN (Botanical Code)
    "Hapalosiphon laminosus" (Cohn 1863) Hansgirg 1885	homotypic synonym, not validly published
    Cyanothrix vaginata Schmidle 1897	heterotypic synonym, validly published under the ICN (Botanical Code)
    "Mastigocladus laminosus" Cohn 1863	homotypic synonym, not validly published

• Notes:
  • ⏰ According to Schmidle (1898), this species is an earlier heterotypic synonym of Cyanothrix vaginata Schmidle 1897. Publication: Schmidle W. Ueber Cyanothrix und Mastigocladus. Botanisches Centralblatt 1898; 19:97-102.
  • ❗ Hapalosiphon laminosus is the correct name instead if this species is regarded as a separate species (i.e., if its nomenclatural type is not assigned to another species whose name is validly published, legitimate and not rejected and has priority) within a separate genus Hapalosiphon.
  • 🎓 Name mentioned 0 times in PubMed until 2025-06-04.

Subdivision:

Number of child taxa with a validly published and correct name: 13
Number of child taxa with a validly published name, including synonyms: 15
Total number of child taxa: 15

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Hapalosiphon laminosus f. anabaenoides Petersen 1923	validly published under the ICN (Botanical Code)	synonym
    Hapalosiphon laminosus f. aulosiroides Frémy 1936	validly published under the ICN (Botanical Code)	correct name
    Hapalosiphon laminosus f. indica Weber-van Bosse 1913	validly published under the ICN (Botanical Code)	correct name
    Hapalosiphon laminosus f. lyngbyoides Frémy 1936	validly published under the ICN (Botanical Code)	correct name
    Hapalosiphon laminosus f. microchaetoides Frémy 1936	validly published under the ICN (Botanical Code)	correct name
    Hapalosiphon laminosus f. nostocoides Frémy 1936	validly published under the ICN (Botanical Code)	correct name
    Hapalosiphon laminosus f. oscillarioides Frémy 1936	validly published under the ICN (Botanical Code)	correct name
    Hapalosiphon laminosus f. phormidioides Petersen 1923	validly published under the ICN (Botanical Code)	synonym
    Hapalosiphon laminosus f. plectonematoides Frémy 1936	validly published under the ICN (Botanical Code)	correct name
    Hapalosiphon laminosus f. pseudanabaenoides Frémy 1936	validly published under the ICN (Botanical Code)	correct name
    Hapalosiphon laminosus f. scytonematoides Frémy 1936	validly published under the ICN (Botanical Code)	correct name
    Hapalosiphon laminosus f. suberectus Frémy 1936	validly published under the ICN (Botanical Code)	correct name
    Hapalosiphon laminosus f. symplocoides Frémy 1936	validly published under the ICN (Botanical Code)	correct name
    Hapalosiphon laminosus f. tolypothrichoides Frémy 1936	validly published under the ICN (Botanical Code)	correct name
    Hapalosiphon laminosus f. typica Frémy 1936	validly published under the ICN (Botanical Code)	correct name

Parent taxon: Hapalosiphon Nägeli ex Bornet and Flahault 1886

Assigned by: Bornet É, Flahault C. Revision des Nostocacées hétérocystées contenues dans les principaux herbiers de France (Troisième fragment). Annales des Sciences Naturelles, Botanique, Septième série 1886; 5:51-129.

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Record number: 15538