pedobacter rhizosphaerae pedobacter rhizosphaerae pedobacter rhizosphaerae is a species of gram-negative bacteria, first isolated from rhizosphere soil of brassica campestris, hence its name. its type strain is 01-96(t) (=kacc 14938(t) =nbrc 107690(t)). pedobacter rhizosphaerae scientific classification domain: bacteria phylum: bacteroidota class: sphingobacteriia order: sphingobacteriales family: sphingobacteriaceae genus: pedobacter species: pedobacter rhizosphaeraekwon et al. 2011