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 Oxalobacteraceae Garrity et al. 2006
                       Genus Herbaspirillum Baldani et al. 1986
                         Herbaspirillum huttiense (Leifson 1962) Ding and Yokota 2004
                           Herbaspirillum huttiense subsp. huttienseᵀ (Leifson 1962) Dobritsa et al. 2010