Bradyrhizobium mercantei Helene et al. 2017 Helene L.C.F. Delamuta J.R.M. Ribeiro R.A. Hungria M. Bradyrhizobium mercantei sp. nov., a nitrogen-fixing symbiont isolated from nodules of Deguelia costata (syn. Lonchocarpus costatus) 2017 67 6 1827 1834 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijsem.0.001870 28639930