Name: Ensifer aridi Rocha et al. 2024

Category: Species

Proposed as: sp. nov.

Etymology: a’ri.di. L. fem. n. ariditas; L. gen. neut. n. aridi, referring to the areas where all the strains from this new species where isolated from and which are subjected to droughts, these are the deserts of Thar in India, Merzouga in Morocco and here Baja California

Pronunciation (Latin), gender: EN-si-fer A-ri-di, masculine

Type strain: HAMBI 3707; LMG 31426; LMR001

Conduct genome-based taxonomy at

16S rRNA gene: KP993276 Analyse FASTA

Effective publication: Rocha G, Le Quere A, Medina A, Cuellar A, Contreras JL, Carreno R, Bustillos R, Munoz-Rojas J, Villegas MDC, Chaintreuil C, et al. Diversity and phenotypic analyses of salt- and heat-tolerant wild bean Phaseolus filiformis rhizobia native of a sand beach in Baja California and description of Ensifer aridi sp. nov. Arch Microbiol 2020; 202:309-322. 🇲🇽

IJSEM list: Oren A, Göker M. Validation list no. 218. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2024; 74:6398.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Synonyms:

  • Name	Kind
    "Ensifer aridi" Le Quere et al. 2017	homotypic synonym, not validly published
    Sinorhizobium aridi (Rocha et al. 2024) Naranjo-Robayo et al. 2026	homotypic synonym, validly published under the ICNP

• Notes:
  • 🎓 Name mentioned 8 times in PubMed until 2026-08-13.

Parent taxon: Ensifer Casida 1982

Assigned by: Rocha G, Le Quere A, Medina A, Cuellar A, Contreras JL, Carreno R, Bustillos R, Munoz-Rojas J, Villegas MDC, Chaintreuil C, et al. Diversity and phenotypic analyses of salt- and heat-tolerant wild bean Phaseolus filiformis rhizobia native of a sand beach in Baja California and description of Ensifer aridi sp. nov. Arch Microbiol 2020; 202:309-322. 🇲🇽

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Record number: 51427