"Pseudomonas tumefaciens" (Smith and Townsend 1907) Duggar 1909 Dataset NCBI Taxonomy Classification phylum Pseudomonadota class Alphaproteobacteria order Hyphomicrobiales family Rhizobiaceae genus Agrobacterium species Agrobacterium tumefaciens Name Homonyms "Pseudomonas tumefaciens" (Smith and Townsend 1907) Duggar 1909 Pseudomonas tumefaciens