Mesorhizobium amorphae Wang et al. 1999 Wang E.T. van Berkum P. Sui X.H. Beyene D. Chen W.X. Martínez-Romero E. Diversity of rhizobia associated with Amorpha fruticosa isolated from Chinese soils and description of Mesorhizobium amorphae sp. nov. 1999 49 1 51 65 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-49-1-51 10028247