Name: Weissella viridescens (Niven and Evans 1957) Collins et al. 1994

Category: Species

Proposed as: comb. nov.

Basonym: Lactobacillus viridescens Niven and Evans 1957 (Approved Lists 1980)

Etymology: vi.ri.des’cens. L. fem. part. adj. viridescens, growing green, greening

Pronunciation (Latin), gender: … wi-ri-DES-kens, feminine

Type strain: ATCC 12706; BCRC 11650; CCM 56; CCRC 11650; CCUG 21533; CCUG 30502; CECT 283; CIP 102810; DSM 20410; IAM 13546; JCM 1174; LMG 3507; NBIMCC 8897; NCCB 71015; NCDO 1655; NCFB 1655; NCIB 8965; NCIMB 8965; NCTC 13770; NRIC 1536; NRRL B-1951; VKM B-1528

Conduct genome-based taxonomy at

16S rRNA gene: AB023236 Analyse FASTA

Effective publication: Collins MD, Samelis J, Metaxopoulos J, Wallbanks S. Taxonomic studies on some leuconostoc-like organisms from fermented sausages: description of a new genus Weissella for the Leuconostoc paramesenteroides group of species. J Appl Bacteriol 1993; 75:595-603. 🇬🇧

IJSEM list: Anonymous. Validation list no. 49. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1994; 44:370-371.

Nomenclatural status: validly published under the ICNP

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

Risk group: 1

• Synonyms:

  • Name	Kind
    Lactobacillus viridescens Niven and Evans 1957 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP

• Notes:
  • 🥇 Nomenclatural type of the genus Weissella Collins et al. 1994. Publication: Collins MD, Samelis J, Metaxopoulos J, Wallbanks S. Taxonomic studies on some leuconostoc-like organisms from fermented sausages: description of a new genus Weissella for the Leuconostoc paramesenteroides group of species. J Appl Bacteriol 1993; 75:595-603. 🇬🇧
  • 😷 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. — 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 60 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 genus.

Parent taxon: Weissella Collins et al. 1994

Assigned by: Collins MD, Samelis J, Metaxopoulos J, Wallbanks S. Taxonomic studies on some leuconostoc-like organisms from fermented sausages: description of a new genus Weissella for the Leuconostoc paramesenteroides group of species. J Appl Bacteriol 1993; 75:595-603. 🇬🇧

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Record number: 783100