Mesorhizobium opportunistum Nandasena et al. 2009 Dataset NCBI Taxonomy Classification phylum Pseudomonadota class Alphaproteobacteria order Hyphomicrobiales family Phyllobacteriaceae genus Mesorhizobium species Mesorhizobium opportunistum Name Homonyms Mesorhizobium opportunistum Mesorhizobium opportunistum Nandasena et al. 2009