Phytomonas tumefaciens Dataset NCBI Taxonomy Classification phylum Pseudomonadota class Alphaproteobacteria order Hyphomicrobiales family Rhizobiaceae genus Agrobacterium species Agrobacterium tumefaciens Name Homonyms Phytomonas tumefaciens "Phytomonas tumefaciens" (Smith and Townsend 1907) Bergey et al. 1923