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 "Betaproteobacteria" Garrity et al., 2006 [monotypic]
                 Class Betaproteobacteriaᵀ Garrity et al. 2006
                   Order Burkholderiales Garrity et al. 2006
                     Family Burkholderiaceaeᵀ Garrity et al. 2006
                       Genus Ralstonia Yabuuchi et al. 1996
                         1 Ralstonia insidiosa Coenye et al. 2003
                         2 Ralstonia mannitolilytica corrig. De Baere et al. 2001
                         3 Ralstonia pickettii (Ralston et al. 1973) Yabuuchi et al. 1996
                         4 Ralstonia solanacearum (Smith 1896) Yabuuchi et al. 1996
                         5 Ralstonia syzygii (Roberts et al. 1990) Vaneechoutte et al. 2004