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 Terrabacteria Battistuzzi et al. 2004
               Phylum "Actinobacteria" Garrity and Holt 2001
                 Class Actinobacteriaᵀ Stackebrandt et al. 1997
                   Order Micrococcales Prévot 1940 (Approved Lists 1980)
                     Family Microbacteriaceae Park et al. 1995
                       Genus Leifsonia Evtushenko et al. 2000
                         01 Leifsonia antarctica Pindi et al. 2009
                         02 Leifsonia aquatica (ex Leifson 1962) Evtushenko et al. 2000
                         03 Leifsonia aurea Reddy et al. 2003
                         04 Leifsonia bigeumensis Dastager et al. 2008
                         05 Leifsonia kafniensis Pindi et al. 2009
                         06 Leifsonia lichenia An et al. 2010
                         07 Leifsonia naganoensis Suzuki et al. 2000
                         08 Leifsonia pindariensis Reddy et al. 2008
                         09 Leifsonia poae Evtushenko et al. 2000
                         10 Leifsonia psychrotolerans Ganzert et al. 2011
                         11 Leifsonia rubra Reddy et al. 2003
                         12 Leifsonia shinshuensis Suzuki et al. 2000
                         13 Leifsonia soli Madhaiyan et al. 2010
                         14 Leifsonia xyli (Davis et al. 1984) Evtushenko et al. 2000