Name: "Pararhizobium gei" (Shi et al. 2016) De Lajudie and Young 2017

Category: Species

Proposed as: comb. nov.

Basonym: Rhizobium gei Shi et al. 2016

Etymology: ge’i. N.L. gen. neut. n. gei, of the plant genus Geum, referring to the host of origin for the bacterium

Pronunciation (Latin), gender: pa-ra-r^hi-ZO-bi-um GE-i, neuter

Nomenclatural type: CCTCC AB 2013015; KCTC 32301; LMG 27603; ZFJT-2

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: KF551166 Analyse FASTA

Original publication: de Lajudie PM, Young JPW. International Committee on Systematics of Prokaryotes Subcommittee for the Taxonomy of Rhizobium and Agrobacterium Minutes of the meeting, Budapest, 25 August 2016. Int J Syst Evol Microbiol 2017; 67:2485-2494. 🇫🇷

Nomenclatural status: not validly published

Taxonomic status: synonym (and no standing)

Correct name: Rhizobium gei Shi et al. 2016

• Synonyms:

  • Name	Kind
    Pararhizobium gei (Shi et al. 2016) Zhang et al. 2024	homotypic synonym, validly published under the ICNP
    Rhizobium gei Shi et al. 2016	homotypic synonym, validly published under the ICNP

• Notes:
  • 🧍 Considered not validly published. While the authors did not explicitly propose this taxon name, they did not provide a proper citation of the authority of the name either. Publication: Oren A, Arahal DR, Christensen H, Goker M, Manaia CM, Moore ERB. International Code of Nomenclature of Prokaryotes. Prokaryotic Code (2025 Revision). Int J Syst Evol Microbiol 2026; 76:6979. 🇮🇱

Parent taxon: Pararhizobium Mousavi et al. 2016

Assigned by: de Lajudie PM, Young JPW. International Committee on Systematics of Prokaryotes Subcommittee for the Taxonomy of Rhizobium and Agrobacterium Minutes of the meeting, Budapest, 25 August 2016. Int J Syst Evol Microbiol 2017; 67:2485-2494. 🇫🇷

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Record number: 42370