Etymology:es.per.an’zae.N.L. gen. fem. n.esperanzae, of Esperanza, named after Dr Esperanza Martínez-Romero, scientist at the Centre of Genomic Sciences, Cuernavaca, Mexico, who dedicates her life to studies of the diversity of rhizobia, with an emphasis on symbionts of common bean
Cordeiro AB, Ribeiro RA, Helene LCF, Hungria M. Rhizobium esperanzae sp. nov., a N2-fixing root symbiont of Phaseolus vulgaris from Mexican soils. Int J Syst Evol Microbiol 2017; 67:3937-3945.
Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 67, part 10 of the IJSEM. Int J Syst Evol Microbiol 2018; 68:3-6.
validly published under the ICNP
Hördt et al. 2020
Hordt A, Lopez MG, Meier-Kolthoff JP, Schleuning M, Weinhold LM, Tindall BJ, Gronow S, Kyrpides NC, Woyke T, Goker M. Analysis of 1,000+ Type-Strain Genomes Substantially Improves Taxonomic Classification of Alphaproteobacteria. Front Microbiol 2020; 11:468.
Oren A, Garrity GM. List of changes in taxonomic opinion no. 32. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2020; 70:4061-4090.
The phylogenomic assignment score of this taxon is 0.15606 (N = 6).