Name: Facklamia ignava Collins et al. 1998

Category: Species

Proposed as: sp. nov.

Etymology: ig.na’va. L. fem. adj. ignava, lazy, unreactive

Gender: feminine

Type strain: 164-97; ATCC 700631; CCUG 37419; CIP 105583; LMG 18981; LMG 189810

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: Y15716 Analyse FASTA

Effective publication: Collins MD, Lawson PA, Monasterio R, Falsen E, Sjoden B, Facklam RR. Facklamia ignava sp. nov., isolated from human clinical specimens. J Clin Microbiol 1998; 36:2146-2148.

IJSEM list: Anonymous. Validation list no. 67. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1998; 48:1083-1084.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name (and explicitly recommended for medical use)

Risk group: 2

• Synonyms:

  • Name	Kind
    Falseniella ignava (Collins et al. 1998) Fotedar et al. 2021	homotypic synonym, validly published under the ICNP

• Notes:
  • 😷 The risk group for Belgium has been imported on 2024-02-05. The full classification is: risk group = 2, note = "human pathogen". — The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 2, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 2". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 2. — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 2. — If in doubt, use the risk group given in the regulations for your country and, if these are not available, use the risk group given in the catalogue of the culture collection from which you have obtained or intend to obtain the strain.
  • 🎓 Name mentioned 8 times in PubMed until 2025-06-04.
  • 🙆 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this species. The name is on LoRN because of the recorded risk group of the species itself.
  • 🧍 According to Bartlett et al. (2022), this species is a putative human pathogen. Publication: Bartlett A, Padfield D, Lear L, Bendall R, Vos M. A comprehensive list of bacterial pathogens infecting humans. Microbiology 2022; 168:0.

Parent taxon: Facklamia Collins et al. 1997

Assigned by: Collins MD, Lawson PA, Monasterio R, Falsen E, Sjoden B, Facklam RR. Facklamia ignava sp. nov., isolated from human clinical specimens. J Clin Microbiol 1998; 36:2146-2148.

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Record number: 783826