Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Domain Bacteria Woese et al. 1990 [paraphyletic?]
             Superphylum "Proteobacteria" Craig et al. 2010
               Phylum "Alphaproteobacteria" Garrity et al., 2006 [monotypic]
                 Class Alphaproteobacteriaᵀ Garrity et al. 2006
                   Order Rhizobiales Kuykendall 2006
                     Family Rhizobiaceaeᵀ Conn 1938 (Approved Lists 1980)
                       [Genus Agrobacterium Conn 1942 (Approved Lists 1980)] see Genus Rhizobium Frank 1889 (Approved Lists 1980)
                         [Agrobacterium atlanticum Rüger and Höfle 1992] see Ruegeria atlantica (Rüger and Höfle 1992) Uchino et al. 1999
                         [Agrobacterium ferrugineum (ex Ahrens and Rheinheimer 1967) Rüger and Höfle 1992] see Pseudorhodobacter ferrugineus (Rüger and Höfle 1992) Uchino et al. 2003
                         [Agrobacterium gelatinovorum (ex Ahrens 1968) Rüger and Höfle 1992] see Thalassobius gelatinovorus (Rüger and Höfle 1992) Arahal et al. 2006
                         [Agrobacterium larrymoorei Bouzar and Jones 2001] see Rhizobium larrymoorei (Bouzar and Jones 2001) Young 2004
                         [Agrobacterium meteori Rüger and Höfle 1992] see Ruegeria atlantica (Rüger and Höfle 1992) Uchino et al. 1999
                         [Agrobacterium radiobacter (Beijerinck and van Delden 1902) Conn 1942 (Approved Lists 1980)] see Rhizobium radiobacter (Beijerinck and van Delden 1902) Young et al. 2001
                         [Agrobacterium rhizogenes (Riker et al. 1930) Conn 1942 (Approved Lists 1980)] see Rhizobium rhizogenes (Riker et al. 1930) Young et al. 2001
                         [Agrobacterium rubi (Hildebrand 1940) Starr and Weiss 1943 (Approved Lists 1980)] see Rhizobium rubi (Hildebrand 1940) Young et al. 2001
                         [Agrobacterium stellulatum (ex Stapp and Knösel 1954) Rüger and Höfle 1992] see Stappia stellulata (Rüger and Höfle 1992) Uchino et al. 1999
                         [Agrobacterium tumaefaciens] see Agrobacterium tumefaciens (Smith and Townsend 1907) Conn 1942 (Approved Lists 1980)
                         [Agrobacterium tumefaciens (Smith and Townsend 1907) Conn 1942 (Approved Lists 1980)] see Rhizobium radiobacter (Beijerinck and van Delden 1902) Young et al. 2001
                         [Agrobacterium vitis Ophel and Kerr 1990] see Rhizobium vitis (Ophel and Kerr 1990) Young et al. 2001