Mesorhizobium shonense Degefu et al. 2013 Degefu T. Wolde-meskel E. Liu B. Cleenwerck I. Willems A. Frostegård A. Mesorhizobium shonense sp. nov., Mesorhizobium hawassense sp. nov. and Mesorhizobium abyssinicae sp. nov., isolated from root nodules of different agroforestry legume trees 2013 63 5 1746 1753 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.044032-0 22941297