Name: Undibacterium baiyunense Lu et al. 2021

Category: Species

Proposed as: sp. nov.

Etymology: bai.yu.nen’se. N.L. neut. adj. baiyunense, pertaining to the stream Baiyun, where the type strain was isolated

Pronunciation (Latin), gender: un-di-bak-TE-ri-um bai-yu-NEN-se, neuter

Type strain: BYS107W; GDMCC 1.2453; KCTC 82653

Conduct genome-based taxonomy at

16S rRNA gene: MW940782 Analyse FASTA

Valid publication: Lu H, Liu F, Deng T, Xu M. Undibacterium baiyunense sp. nov., Undibacterium curvum sp. nov., Undibacterium fentianense sp. nov., Undibacterium flavidum sp. nov., Undibacterium griseum sp. nov., Undibacterium hunanense sp. nov., Undibacterium luofuense sp. nov., Undibacterium nitidum sp. nov., Undibacterium rivi sp. nov., Undibacterium rugosum sp. nov. and Undibacterium umbellatum sp. nov., isolated from streams in China. Int J Syst Evol Microbiol 2021; 71:5065. 🇨🇳

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 71, part 10 of the IJSEM. Int J Syst Evol Microbiol 2022; 72:5165.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Affinundibacterium baiyunense (Lu et al. 2021) Ma et al. 2026

• Synonyms:

  • Name	Kind
    Affinundibacterium baiyunense (Lu et al. 2021) Ma et al. 2026	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Undibacterium baiyunense 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 Undibacterium.
  • 🎓 Name mentioned 2 times in PubMed until 2026-06-11.

Parent taxon: Undibacterium Kämpfer et al. 2007

Assigned by: Lu H, Liu F, Deng T, Xu M. Undibacterium baiyunense sp. nov., Undibacterium curvum sp. nov., Undibacterium fentianense sp. nov., Undibacterium flavidum sp. nov., Undibacterium griseum sp. nov., Undibacterium hunanense sp. nov., Undibacterium luofuense sp. nov., Undibacterium nitidum sp. nov., Undibacterium rivi sp. nov., Undibacterium rugosum sp. nov. and Undibacterium umbellatum sp. nov., isolated from streams in China. Int J Syst Evol Microbiol 2021; 71:5065. 🇨🇳

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Record number: 22901