Name: Xaviernesmea rhizosphaerae Kuzmanović et al. 2022

Category: Species

Proposed as: sp. nov.

Etymology: rhi.zo.sphae’rae. N.L. gen. fem. n. rhizosphaerae, of the rhizosphere, referring to host plant compartment of isolation of the type strain

Pronunciation, gender: r^hi-zo-SP^HA͡E-ra͡e, feminine

Type strain: ACCC 19963; KCTC 52414; MH17

Conduct genome-based taxonomy at

16S rRNA gene: KX129902 Analyse FASTA

Valid publication: Kuzmanovic N, Fagorzi C, Mengoni A, Lassalle F, diCenzo GC. Taxonomy of Rhizobiaceae revisited: proposal of a new framework for genus delimitation. Int J Syst Evol Microbiol 2022; 72:5243.

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 72, part 3 of the IJSEM. Int J Syst Evol Microbiol 2022; 72:5393.

Nomenclatural status: validly published under the ICNP

Taxonomic status: orphaned species

• Synonyms:

  • Name	Kind
    "Rhizobium rhizosphaerae" Zhao et al. 2017	homotypic synonym, not validly published

• Notes:
  • ❗ Xaviernesmea rhizosphaerae 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 Xaviernesmea.
  • 🎓 Name mentioned 0 times in PubMed until 2025-06-04.

Parent taxon: Xaviernesmea Kuzmanović et al. 2022

Assigned by: Kuzmanovic N, Fagorzi C, Mengoni A, Lassalle F, diCenzo GC. Taxonomy of Rhizobiaceae revisited: proposal of a new framework for genus delimitation. Int J Syst Evol Microbiol 2022; 72:5243.

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Record number: 29165