Taxon DOI
Dreyfus et al. 1988 emend. Lang et al. 2013
Taxonomic Rank
Nomenclatural Taxonomy [1980-2016]
Incertae sedis taxa are placed using SOSCC (Garrity and Lilburn 2008)
Taxon RecordName Record
Lee et al. 2005 emend. Hördt et al. 2020
Dreyfus et al. 1988 emend. Hördt et al. 2020
Moreira et al. 2006 emend. Hördt et al. 2020
Lang et al. 2013
Type Status
The taxonomic placement of this genus within the root Universal Root.

  Woese et al. 1990
  (None 2015) Woese et al. 1990
  (sic) Garrity et al. 2021
  Garrity et al. 2006
  Douglas 1957 (Approved Lists 1980) emend. Hördt et al. 2020
  Lee et al. 2005 emend. Hördt et al. 2020
  Dreyfus et al. 1988 emend. Lang et al. 2013

The taxonomy from the rank of class and below is based upon currently published taxonomic opinion. For a complete taxonomy, refer to The Taxonomic Outline of Bacteria and Archaea, Release 7.7.
When referring to this Abstract, please use its Digital Object Identifier and cite NamesforLife.
Taxon Abstract for the genus Azorhizobium Dreyfus et al. 1988 emend. Lang et al. 2013. NamesforLife, LLC. Retrieved .
This information was last reviewed on March 24, 2020.


  1. Garrity GM, Bell JA, Lilburn T. Family VIII. Hyphomicrobiaceae fam. nov. In: Garrity GM, Brenner DJ, Krieg NR, Staley JT (eds), Bergey's Manual of Systematic Bacteriology, Second Edition, Volume 2, Part C, Springer, New York, 2005, p. 476.
  2. Dreyfus B, Garcia JL, Gillis M. Characterization of Azorhizobium caulinodans gen. nov. a stem nodulating nitrogen-fixing bacterium isolated from Sesbania rastrata. Int J Syst Bacteriol 1988; 38:89-98.
  3. Lang E, Schumann P, Adler S, Spröer C, Sahin N. Azorhizobium oxalatiphilum sp. nov., and emended description of the genus Azorhizobium. Int J Syst Evol Microbiol 2013; 63:1505-1511. [PubMed].
  4. Moreira FMS, Cruz L, Faria SM, Marsh T, Martínez-Romero E, Pedrosa FO, Pitard RM, Young JPW. Azorhizobium doebereinerae sp. Nov. Microsymbiont of Sesbania virgata (Caz.) Pers. Syst Appl Microbiol 2006; 29:197-206. [PubMed].
  5. Hördt A, García-López M, Meier-Kolthoff JP, Tindall BJ, Weinhold L-M, Gronow S, Kyrpides N, Woyke T, Schleuning M, Göker M. Analysis of 1,000+ Type-Strain Genomes Substantially Improves Taxonomic Classification of Alphaproteobacteria. Front. Microbio. 2020; 11:468. [PubMed].