Name: Facklamia languida Lawson et al. 1999

Category: Species

Proposed as: sp. nov.

Etymology: lan’gui.da. L. fem. adj. languida, languid, pertaining to the lack of activity of the organisms in biochemical tests

Pronunciation (Latin), gender: fakk-LA-mi-a LAN-gu͡i-da, feminine

Type strain: 1144-97; CCUG 37842; CIP 105964

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: Y18053 Analyse FASTA

Effective publication: Lawson PA, Collins MD, Falsen E, Sjoden B, Facklam RR. Facklamia languida sp. nov., isolated from human clinical specimens. J Clin Microbiol 1999; 37:1161-1164. 🇺🇸

IJSEM list: Anonymous. Validation list no. 70. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1999; 49:935-936.

Nomenclatural status: validly published under the ICNP

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

Risk group: 2

• 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 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 6 times in PubMed until 2026-06-11.
  • 🙆 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 an established human pathogen. Publication: Bartlett A, Padfield D, Lear L, Bendall R, Vos M. A comprehensive list of bacterial pathogens infecting humans. Microbiology (Reading) 2022; 168:0. 🇬🇧

Parent taxon: Facklamia Collins et al. 1997

Assigned by: Lawson PA, Collins MD, Falsen E, Sjoden B, Facklam RR. Facklamia languida sp. nov., isolated from human clinical specimens. J Clin Microbiol 1999; 37:1161-1164. 🇺🇸

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.783827Copy to clipboardLink copied to clipboard

Record number: 783827