Bradyrhizobium betae is a species of legume-root nodulating, microsymbiotic nitrogen-fixing bacterium first isolated from the roots of Beta vulgaris, hence its name. It is slow-growing an endophytic. The type strain is PL7HG1^T (=LMG 21987^T =CEC^T 5829^T).^[1]

• Appunu, C.; N'Zoue, A.; Laguerre, G. (2008). "Genetic Diversity of Native Bradyrhizobia Isolated from Soybeans (Glycine max L.) in Different Agricultural-Ecological-Climatic Regions of India". Applied and Environmental Microbiology. 74 (19): 5991–5996. doi:10.1128/AEM.01320-08. ISSN 0099-2240. PMC 2565974. PMID 18676699.
• Newton, William E.; Werner, Dietrich (2005). Nitrogen Fixation in Agriculture, Forestry, Ecology, and the Environment (Nitrogen Fixation: Origins, Applications, and Research Progress). Berlin: Springer. ISBN 1-4020-3542-X.
• Polacco, Joe C., and Christopher D. Todd. Ecological Aspects of Nitrogen Metabolism in Plants. John Wiley & Sons, 2011.
• Menna, Pâmela; Gomes Barcellos, Fernando; Hungria, Mariangela (2009). "Phylogeny and taxonomy of a diverse collection of Bradyrhizobium strains based on multilocus sequence analysis of the 16S rRNA gene, ITS region and glnII, recA, atpD and dnaK genes". International Journal of Systematic and Evolutionary Microbiology. 59 (12): 2934–2950. doi:10.1099/ijs.0.009779-0. PMID 19628593.

• LPSN
• "Bradyrhizobium betae". The Encyclopedia of Life.
• Type strain of Bradyrhizobium betae at BacDive - the Bacterial Diversity Metadatabase