Name: Rhodospirillum molischianum Giesberger 1947 (Approved Lists 1980)

Category: Species

Proposed as: sp. nov.

Etymology: mo.lisch.i.a’num. N.L. neut. adj. molischianum, pertaining to Molisch, named for H. Molisch, an Austrian botanist

Gender: neuter

Type strain: ATCC 14031; DSM 120; LMG 4354

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: M59067 Analyse FASTA

Effective publication: Giesberger G. Some observations on the culture, physiology and morphology of some brown-red Rhodospirillum-species. Antonie van Leeuwenhoek Journal of Microbiology and Serology 1947; 13:135-148.

IJSEM list: Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Magnetospirillum molischianum (Giesberger 1947) Hördt et al. 2020

Risk group: 1

• Synonyms:

  • Name	Kind
    Magnetospirillum molischianum (Giesberger 1947) Hördt et al. 2020	homotypic synonym, validly published under the ICNP
    Phaeospirillum molischianum (Giesberger 1947) Imhoff et al. 1998	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Rhodospirillum molischianum 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 Rhodospirillum.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 1. — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1.
  • 🎓 Name mentioned 69 times in PubMed until 2024-03-28.

Parent taxon: Rhodospirillum Molisch 1907 (Approved Lists 1980)

Assigned by: Giesberger G. Some observations on the culture, physiology and morphology of some brown-red Rhodospirillum-species. Antonie van Leeuwenhoek Journal of Microbiology and Serology 1947; 13:135-148.

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Record number: 780517