mesorhizobium qingshengii mesorhizobium qingshengii mesorhizobium qingshengii is a bacterium from the genus mesorhizobium which was isolated from root nodules of astragalus sinicus in the southeast of china. mesorhizobium qingshengii scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: hyphomicrobiales family: phyllobacteriaceae genus: mesorhizobium species: m. qingshengii binomial name mesorhizobium qingshengiizheng et al. 2013 type strain ccbau 33460, cgmcc 1.12097, hambi 3277, lmg 26793