Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           [Domain "Bacteria" Woese et al. 1990 stat. inval. [paraphyletic?]] see Domain Bacteria Woese et al. 2024
             [Phylum "Proteobacteria" Garrity and Holt 2001 nom. nud.] see Phylum Proteobacteria Garrity et al. 2005 stat. inval.
               [Class "Alphaproteobacteria" "Garrity and Holt 2001" nom. nud.] see Class Alphaproteobacteria Garrity et al. 2006
                 [Order "Rhizobiales" "Garrity and Holt 2001" nom. nud.] see Order Rhizobiales Kuykendall 2006
                   04 [Family "Phyllobacteriaceae" "Garrity and Holt 2001" nom. nud.] see Family Phyllobacteriaceae Mergaert and Swings 2006
                   05 [Family "Methylocystaceae" "Garrity and Holt 2001" nom. nud.] see Family Methylocystaceae Bowman 2006
                   06 [Family "Beijerinckiaceae" "Garrity and Holt 2001" nom. nud.] see Family Beijerinckiaceae Garrity et al. 2006
                   07 [Family "Bradyrhizobiaceae" "Garrity and Holt 2001" nom. nud.] see Family Bradyrhizobiaceae Garrity et al. 2006
                   09 [Family "Methylobacteriaceae" "Garrity and Holt 2001" nom. nud.] see Family Methylobacteriaceae Garrity et al. 2006
                   10 [Family "Rhodobiaceae" "Garrity and Holt 2001" nom. nud.] see Family Rhodobiaceae Garrity et al. 2006